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OpenCloudOS-Kernel
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 

No conflicts.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-07-28 18:21:16 -07:00
parent 623cd87006 33ea1340ba
commit 272ac32f56
152 changed files with 1603 additions and 896 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
.mailmap
View File

@ -60,6 +60,10 @@ Arnd Bergmann <arnd@arndb.de>
Atish Patra <atishp@atishpatra.org> <atish.patra@wdc.com>
Axel Dyks <xl@xlsigned.net>
Axel Lin <axel.lin@gmail.com>
Baolin Wang <baolin.wang@linux.alibaba.com> <baolin.wang@linaro.org>
Baolin Wang <baolin.wang@linux.alibaba.com> <baolin.wang@spreadtrum.com>
Baolin Wang <baolin.wang@linux.alibaba.com> <baolin.wang@unisoc.com>
Baolin Wang <baolin.wang@linux.alibaba.com> <baolin.wang7@gmail.com>
Bart Van Assche <bvanassche@acm.org> <bart.vanassche@sandisk.com>
Bart Van Assche <bvanassche@acm.org> <bart.vanassche@wdc.com>
Ben Gardner <bgardner@wabtec.com>
@ -135,6 +139,8 @@ Frank Rowand <frowand.list@gmail.com> <frowand@mvista.com>
Frank Zago <fzago@systemfabricworks.com>
Gao Xiang <xiang@kernel.org> <gaoxiang25@huawei.com>
Gao Xiang <xiang@kernel.org> <hsiangkao@aol.com>
Gao Xiang <xiang@kernel.org> <hsiangkao@linux.alibaba.com>
Gao Xiang <xiang@kernel.org> <hsiangkao@redhat.com>
Gerald Schaefer <gerald.schaefer@linux.ibm.com> <geraldsc@de.ibm.com>
Gerald Schaefer <gerald.schaefer@linux.ibm.com> <gerald.schaefer@de.ibm.com>
Gerald Schaefer <gerald.schaefer@linux.ibm.com> <geraldsc@linux.vnet.ibm.com>
@ -371,6 +377,7 @@ Sean Nyekjaer <sean@geanix.com> <sean.nyekjaer@prevas.dk>
Sebastian Reichel <sre@kernel.org> <sebastian.reichel@collabora.co.uk>
Sebastian Reichel <sre@kernel.org> <sre@debian.org>
Sedat Dilek <sedat.dilek@gmail.com> <sedat.dilek@credativ.de>
Seth Forshee <sforshee@kernel.org> <seth.forshee@canonical.com>
Shiraz Hashim <shiraz.linux.kernel@gmail.com> <shiraz.hashim@st.com>
Shuah Khan <shuah@kernel.org> <shuahkhan@gmail.com>
Shuah Khan <shuah@kernel.org> <shuah.khan@hp.com>

18
Documentation/admin-guide/kernel-parameters.txt
View File

@ -5796,6 +5796,24 @@
expediting. Set to zero to disable automatic
expediting.
srcutree.srcu_max_nodelay [KNL]
Specifies the number of no-delay instances
per jiffy for which the SRCU grace period
worker thread will be rescheduled with zero
delay. Beyond this limit, worker thread will
be rescheduled with a sleep delay of one jiffy.
srcutree.srcu_max_nodelay_phase [KNL]
Specifies the per-grace-period phase, number of
non-sleeping polls of readers. Beyond this limit,
grace period worker thread will be rescheduled
with a sleep delay of one jiffy, between each
rescan of the readers, for a grace period phase.
srcutree.srcu_retry_check_delay [KNL]
Specifies number of microseconds of non-sleeping
delay between each non-sleeping poll of readers.
srcutree.small_contention_lim [KNL]
Specifies the number of update-side contention
events per jiffy will be tolerated before

13
Documentation/devicetree/bindings/net/ethernet-controller.yaml
View File

@ -155,10 +155,8 @@ properties:
- in-band-status
fixed-link:
allOf:
- if:
type: array
then:
oneOf:
- $ref: /schemas/types.yaml#/definitions/uint32-array
deprecated: true
items:
- minimum: 0
@ -184,11 +182,8 @@ properties:
description:
Asymmetric pause configuration. 0 for no asymmetric
pause, 1 for asymmetric pause
- if:
type: object
then:
- type: object
additionalProperties: false
properties:
speed:
description:

3
Documentation/devicetree/bindings/net/fsl,fec.yaml
View File

@ -187,6 +187,7 @@ properties:
Should specify the gpio for phy reset.
phy-reset-duration:
$ref: /schemas/types.yaml#/definitions/uint32
deprecated: true
description:
Reset duration in milliseconds. Should present only if property
@ -195,12 +196,14 @@ properties:
and 1 millisecond will be used instead.
phy-reset-active-high:
type: boolean
deprecated: true
description:
If present then the reset sequence using the GPIO specified in the
"phy-reset-gpios" property is reversed (H=reset state, L=operation state).
phy-reset-post-delay:
$ref: /schemas/types.yaml#/definitions/uint32
deprecated: true
description:
Post reset delay in milliseconds. If present then a delay of phy-reset-post-delay

9
Documentation/networking/ip-sysctl.rst
View File

@ -2884,7 +2884,14 @@ sctp_rmem - vector of 3 INTEGERs: min, default, max
Default: 4K
sctp_wmem - vector of 3 INTEGERs: min, default, max
Currently this tunable has no effect.
Only the first value ("min") is used, "default" and "max" are
ignored.
min: Minimum size of send buffer that can be used by SCTP sockets.
It is guaranteed to each SCTP socket (but not association) even
under moderate memory pressure.
Default: 4K
addr_scope_policy - INTEGER
Control IPv4 address scoping - draft-stewart-tsvwg-sctp-ipv4-00

2
Documentation/virt/kvm/api.rst
View File

@ -5658,7 +5658,7 @@ by a string of size ``name_size``.
#define KVM_STATS_UNIT_SECONDS (0x2 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_CYCLES (0x3 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_BOOLEAN (0x4 << KVM_STATS_UNIT_SHIFT)
#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_CYCLES
#define KVM_STATS_UNIT_MAX KVM_STATS_UNIT_BOOLEAN
#define KVM_STATS_BASE_SHIFT 8
#define KVM_STATS_BASE_MASK (0xF << KVM_STATS_BASE_SHIFT)

2
MAINTAINERS
View File

@ -15862,7 +15862,7 @@ PIN CONTROLLER - FREESCALE
M: Dong Aisheng <aisheng.dong@nxp.com>
M: Fabio Estevam <festevam@gmail.com>
M: Shawn Guo <shawnguo@kernel.org>
M: Stefan Agner <stefan@agner.ch>
M: Jacky Bai <ping.bai@nxp.com>
R: Pengutronix Kernel Team <kernel@pengutronix.de>
L: linux-gpio@vger.kernel.org
S: Maintained

2
Makefile
View File

@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 19
SUBLEVEL = 0
EXTRAVERSION = -rc7
EXTRAVERSION = -rc8
NAME = Superb Owl
# *DOCUMENTATION*

2
arch/arm/boot/dts/lan966x.dtsi
View File

@ -38,7 +38,7 @@
sys_clk: sys_clk {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <162500000>;
clock-frequency = <165625000>;
};
cpu_clk: cpu_clk {

2
arch/arm/mach-pxa/corgi.c
View File

@ -549,7 +549,7 @@ static struct pxa2xx_spi_controller corgi_spi_info = {
};
static struct gpiod_lookup_table corgi_spi_gpio_table = {
.dev_id = "pxa2xx-spi.1",
.dev_id = "spi1",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", CORGI_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("gpio-pxa", CORGI_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),

2
arch/arm/mach-pxa/hx4700.c
View File

@ -635,7 +635,7 @@ static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
};
static struct gpiod_lookup_table pxa_ssp2_gpio_table = {
.dev_id = "pxa2xx-spi.2",
.dev_id = "spi2",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", GPIO88_HX4700_TSC2046_CS, "cs", 0, GPIO_ACTIVE_LOW),
{ },

4
arch/arm/mach-pxa/icontrol.c
View File

@ -140,7 +140,7 @@ struct platform_device pxa_spi_ssp4 = {
};
static struct gpiod_lookup_table pxa_ssp3_gpio_table = {
.dev_id = "pxa2xx-spi.3",
.dev_id = "spi3",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS1, "cs", 0, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS2, "cs", 1, GPIO_ACTIVE_LOW),
@ -149,7 +149,7 @@ static struct gpiod_lookup_table pxa_ssp3_gpio_table = {
};
static struct gpiod_lookup_table pxa_ssp4_gpio_table = {
.dev_id = "pxa2xx-spi.4",
.dev_id = "spi4",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS3, "cs", 0, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("gpio-pxa", ICONTROL_MCP251x_nCS4, "cs", 1, GPIO_ACTIVE_LOW),

2
arch/arm/mach-pxa/littleton.c
View File

@ -207,7 +207,7 @@ static struct spi_board_info littleton_spi_devices[] __initdata = {
};
static struct gpiod_lookup_table littleton_spi_gpio_table = {
.dev_id = "pxa2xx-spi.2",
.dev_id = "spi2",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", LITTLETON_GPIO_LCD_CS, "cs", 0, GPIO_ACTIVE_LOW),
{ },

2
arch/arm/mach-pxa/magician.c
View File

@ -994,7 +994,7 @@ static struct pxa2xx_spi_controller magician_spi_info = {
};
static struct gpiod_lookup_table magician_spi_gpio_table = {
.dev_id = "pxa2xx-spi.2",
.dev_id = "spi2",
.table = {
/* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */
GPIO_LOOKUP_IDX("gpio-pxa", GPIO14_MAGICIAN_TSC2046_CS, "cs", 0, GPIO_ACTIVE_LOW),

2
arch/arm/mach-pxa/spitz.c
View File

@ -578,7 +578,7 @@ static struct pxa2xx_spi_controller spitz_spi_info = {
};
static struct gpiod_lookup_table spitz_spi_gpio_table = {
.dev_id = "pxa2xx-spi.2",
.dev_id = "spi2",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_ADS7846_CS, "cs", 0, GPIO_ACTIVE_LOW),
GPIO_LOOKUP_IDX("gpio-pxa", SPITZ_GPIO_LCDCON_CS, "cs", 1, GPIO_ACTIVE_LOW),

4
arch/arm/mach-pxa/z2.c
View File

@ -623,7 +623,7 @@ static struct pxa2xx_spi_controller pxa_ssp2_master_info = {
};
static struct gpiod_lookup_table pxa_ssp1_gpio_table = {
.dev_id = "pxa2xx-spi.1",
.dev_id = "spi1",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", GPIO24_ZIPITZ2_WIFI_CS, "cs", 0, GPIO_ACTIVE_LOW),
{ },
@ -631,7 +631,7 @@ static struct gpiod_lookup_table pxa_ssp1_gpio_table = {
};
static struct gpiod_lookup_table pxa_ssp2_gpio_table = {
.dev_id = "pxa2xx-spi.2",
.dev_id = "spi2",
.table = {
GPIO_LOOKUP_IDX("gpio-pxa", GPIO88_ZIPITZ2_LCD_CS, "cs", 0, GPIO_ACTIVE_LOW),
{ },

1
arch/riscv/Makefile
View File

@ -73,6 +73,7 @@ ifeq ($(CONFIG_PERF_EVENTS),y)
endif
KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax)
KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax)
# GCC versions that support the "-mstrict-align" option default to allowing
# unaligned accesses. While unaligned accesses are explicitly allowed in the

2
arch/riscv/boot/dts/canaan/canaan_kd233.dts
View File

@ -35,7 +35,7 @@
gpio-keys {
compatible = "gpio-keys";
key0 {
key {
label = "KEY0";
linux,code = <BTN_0>;
gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;

2
arch/riscv/boot/dts/canaan/sipeed_maix_bit.dts
View File

@ -47,7 +47,7 @@
gpio-keys {
compatible = "gpio-keys";
boot {
key-boot {
label = "BOOT";
linux,code = <BTN_0>;
gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;

2
arch/riscv/boot/dts/canaan/sipeed_maix_dock.dts
View File

@ -52,7 +52,7 @@
gpio-keys {
compatible = "gpio-keys";
boot {
key-boot {
label = "BOOT";
linux,code = <BTN_0>;
gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;

6
arch/riscv/boot/dts/canaan/sipeed_maix_go.dts
View File

@ -46,19 +46,19 @@
gpio-keys {
compatible = "gpio-keys";
up {
key-up {
label = "UP";
linux,code = <BTN_1>;
gpios = <&gpio1_0 7 GPIO_ACTIVE_LOW>;
};
press {
key-press {
label = "PRESS";
linux,code = <BTN_0>;
gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;
};
down {
key-down {
label = "DOWN";
linux,code = <BTN_2>;
gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;

2
arch/riscv/boot/dts/canaan/sipeed_maixduino.dts
View File

@ -23,7 +23,7 @@
gpio-keys {
compatible = "gpio-keys";
boot {
key-boot {
label = "BOOT";
linux,code = <BTN_0>;
gpios = <&gpio0 0 GPIO_ACTIVE_LOW>;

2
arch/riscv/kernel/Makefile
View File

@ -78,7 +78,7 @@ obj-$(CONFIG_SMP) += cpu_ops_sbi.o
endif
obj-$(CONFIG_HOTPLUG_CPU) += cpu-hotplug.o
obj-$(CONFIG_KGDB) += kgdb.o
obj-$(CONFIG_KEXEC) += kexec_relocate.o crash_save_regs.o machine_kexec.o
obj-$(CONFIG_KEXEC_CORE) += kexec_relocate.o crash_save_regs.o machine_kexec.o
obj-$(CONFIG_KEXEC_FILE) += elf_kexec.o machine_kexec_file.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o

2
arch/riscv/kernel/elf_kexec.c
View File

@ -349,7 +349,7 @@ int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
{
const char *strtab, *name, *shstrtab;
const Elf_Shdr *sechdrs;
Elf_Rela *relas;
Elf64_Rela *relas;
int i, r_type;
/* String & section header string table */

9
arch/s390/include/asm/archrandom.h
View File

@ -2,7 +2,7 @@
/*
* Kernel interface for the s390 arch_random_* functions
*
* Copyright IBM Corp. 2017, 2020
* Copyright IBM Corp. 2017, 2022
*
* Author: Harald Freudenberger <freude@de.ibm.com>
*
@ -14,6 +14,7 @@
#ifdef CONFIG_ARCH_RANDOM
#include <linux/static_key.h>
#include <linux/preempt.h>
#include <linux/atomic.h>
#include <asm/cpacf.h>
@ -32,7 +33,8 @@ static inline bool __must_check arch_get_random_int(unsigned int *v)
static inline bool __must_check arch_get_random_seed_long(unsigned long *v)
{
if (static_branch_likely(&s390_arch_random_available)) {
if (static_branch_likely(&s390_arch_random_available) &&
in_task()) {
cpacf_trng(NULL, 0, (u8 *)v, sizeof(*v));
atomic64_add(sizeof(*v), &s390_arch_random_counter);
return true;
@ -42,7 +44,8 @@ static inline bool __must_check arch_get_random_seed_long(unsigned long *v)
static inline bool __must_check arch_get_random_seed_int(unsigned int *v)
{
if (static_branch_likely(&s390_arch_random_available)) {
if (static_branch_likely(&s390_arch_random_available) &&
in_task()) {
cpacf_trng(NULL, 0, (u8 *)v, sizeof(*v));
atomic64_add(sizeof(*v), &s390_arch_random_counter);
return true;

8
arch/x86/Kconfig
View File

@ -2474,7 +2474,7 @@ config RETHUNK
bool "Enable return-thunks"
depends on RETPOLINE && CC_HAS_RETURN_THUNK
select OBJTOOL if HAVE_OBJTOOL
default y
default y if X86_64
help
Compile the kernel with the return-thunks compiler option to guard
against kernel-to-user data leaks by avoiding return speculation.
@ -2483,21 +2483,21 @@ config RETHUNK
config CPU_UNRET_ENTRY
bool "Enable UNRET on kernel entry"
depends on CPU_SUP_AMD && RETHUNK
depends on CPU_SUP_AMD && RETHUNK && X86_64
default y
help
Compile the kernel with support for the retbleed=unret mitigation.
config CPU_IBPB_ENTRY
bool "Enable IBPB on kernel entry"
depends on CPU_SUP_AMD
depends on CPU_SUP_AMD && X86_64
default y
help
Compile the kernel with support for the retbleed=ibpb mitigation.
config CPU_IBRS_ENTRY
bool "Enable IBRS on kernel entry"
depends on CPU_SUP_INTEL
depends on CPU_SUP_INTEL && X86_64
default y
help
Compile the kernel with support for the spectre_v2=ibrs mitigation.

1
arch/x86/Makefile
View File

@ -27,6 +27,7 @@ RETHUNK_CFLAGS := -mfunction-return=thunk-extern
RETPOLINE_CFLAGS += $(RETHUNK_CFLAGS)
endif
export RETHUNK_CFLAGS
export RETPOLINE_CFLAGS
export RETPOLINE_VDSO_CFLAGS

19
arch/x86/events/intel/lbr.c
View File

@ -278,9 +278,9 @@ enum {
};
/*
* For formats with LBR_TSX flags (e.g. LBR_FORMAT_EIP_FLAGS2), bits 61:62 in
* MSR_LAST_BRANCH_FROM_x are the TSX flags when TSX is supported, but when
* TSX is not supported they have no consistent behavior:
* For format LBR_FORMAT_EIP_FLAGS2, bits 61:62 in MSR_LAST_BRANCH_FROM_x
* are the TSX flags when TSX is supported, but when TSX is not supported
* they have no consistent behavior:
*
* - For wrmsr(), bits 61:62 are considered part of the sign extension.
* - For HW updates (branch captures) bits 61:62 are always OFF and are not
@ -288,7 +288,7 @@ enum {
*
* Therefore, if:
*
* 1) LBR has TSX format
* 1) LBR format LBR_FORMAT_EIP_FLAGS2
* 2) CPU has no TSX support enabled
*
* ... then any value passed to wrmsr() must be sign extended to 63 bits and any
@ -300,7 +300,7 @@ static inline bool lbr_from_signext_quirk_needed(void)
bool tsx_support = boot_cpu_has(X86_FEATURE_HLE) ||
boot_cpu_has(X86_FEATURE_RTM);
return !tsx_support && x86_pmu.lbr_has_tsx;
return !tsx_support;
}
static DEFINE_STATIC_KEY_FALSE(lbr_from_quirk_key);
@ -1609,9 +1609,6 @@ void intel_pmu_lbr_init_hsw(void)
x86_pmu.lbr_sel_map = hsw_lbr_sel_map;
x86_get_pmu(smp_processor_id())->task_ctx_cache = create_lbr_kmem_cache(size, 0);
if (lbr_from_signext_quirk_needed())
static_branch_enable(&lbr_from_quirk_key);
}
/* skylake */
@ -1702,7 +1699,11 @@ void intel_pmu_lbr_init(void)
switch (x86_pmu.intel_cap.lbr_format) {
case LBR_FORMAT_EIP_FLAGS2:
x86_pmu.lbr_has_tsx = 1;
fallthrough;
x86_pmu.lbr_from_flags = 1;
if (lbr_from_signext_quirk_needed())
static_branch_enable(&lbr_from_quirk_key);
break;
case LBR_FORMAT_EIP_FLAGS:
x86_pmu.lbr_from_flags = 1;
break;

1
arch/x86/include/asm/cpufeatures.h
View File

@ -302,6 +302,7 @@
#define X86_FEATURE_RETPOLINE_LFENCE (11*32+13) /* "" Use LFENCE for Spectre variant 2 */
#define X86_FEATURE_RETHUNK (11*32+14) /* "" Use REturn THUNK */
#define X86_FEATURE_UNRET (11*32+15) /* "" AMD BTB untrain return */
#define X86_FEATURE_USE_IBPB_FW (11*32+16) /* "" Use IBPB during runtime firmware calls */
/* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */
#define X86_FEATURE_AVX_VNNI (12*32+ 4) /* AVX VNNI instructions */

2
arch/x86/include/asm/nospec-branch.h
View File

@ -297,6 +297,8 @@ do { \
alternative_msr_write(MSR_IA32_SPEC_CTRL, \
spec_ctrl_current() | SPEC_CTRL_IBRS, \
X86_FEATURE_USE_IBRS_FW); \
alternative_msr_write(MSR_IA32_PRED_CMD, PRED_CMD_IBPB, \
X86_FEATURE_USE_IBPB_FW); \
} while (0)
#define firmware_restrict_branch_speculation_end() \

4
arch/x86/kernel/alternative.c
View File

@ -555,7 +555,9 @@ void __init_or_module noinline apply_returns(s32 *start, s32 *end)
dest = addr + insn.length + insn.immediate.value;
if (__static_call_fixup(addr, op, dest) ||
WARN_ON_ONCE(dest != &__x86_return_thunk))
WARN_ONCE(dest != &__x86_return_thunk,
"missing return thunk: %pS-%pS: %*ph",
addr, dest, 5, addr))
continue;
DPRINTK("return thunk at: %pS (%px) len: %d to: %pS",

14
arch/x86/kernel/cpu/bugs.c
View File

@ -975,6 +975,7 @@ static inline const char *spectre_v2_module_string(void) { return ""; }
#define SPECTRE_V2_LFENCE_MSG "WARNING: LFENCE mitigation is not recommended for this CPU, data leaks possible!\n"
#define SPECTRE_V2_EIBRS_EBPF_MSG "WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks!\n"
#define SPECTRE_V2_EIBRS_LFENCE_EBPF_SMT_MSG "WARNING: Unprivileged eBPF is enabled with eIBRS+LFENCE mitigation and SMT, data leaks possible via Spectre v2 BHB attacks!\n"
#define SPECTRE_V2_IBRS_PERF_MSG "WARNING: IBRS mitigation selected on Enhanced IBRS CPU, this may cause unnecessary performance loss\n"
#ifdef CONFIG_BPF_SYSCALL
void unpriv_ebpf_notify(int new_state)
@ -1415,6 +1416,8 @@ static void __init spectre_v2_select_mitigation(void)
case SPECTRE_V2_IBRS:
setup_force_cpu_cap(X86_FEATURE_KERNEL_IBRS);
if (boot_cpu_has(X86_FEATURE_IBRS_ENHANCED))
pr_warn(SPECTRE_V2_IBRS_PERF_MSG);
break;
case SPECTRE_V2_LFENCE:
@ -1516,7 +1519,16 @@ static void __init spectre_v2_select_mitigation(void)
* the CPU supports Enhanced IBRS, kernel might un-intentionally not
* enable IBRS around firmware calls.
*/
if (boot_cpu_has(X86_FEATURE_IBRS) && !spectre_v2_in_ibrs_mode(mode)) {
if (boot_cpu_has_bug(X86_BUG_RETBLEED) &&
(boot_cpu_data.x86_vendor == X86_VENDOR_AMD ||
boot_cpu_data.x86_vendor == X86_VENDOR_HYGON)) {
if (retbleed_cmd != RETBLEED_CMD_IBPB) {
setup_force_cpu_cap(X86_FEATURE_USE_IBPB_FW);
pr_info("Enabling Speculation Barrier for firmware calls\n");
}
} else if (boot_cpu_has(X86_FEATURE_IBRS) && !spectre_v2_in_ibrs_mode(mode)) {
setup_force_cpu_cap(X86_FEATURE_USE_IBRS_FW);
pr_info("Enabling Restricted Speculation for firmware calls\n");
}

8
arch/x86/kvm/x86.c
View File

@ -6029,6 +6029,11 @@ split_irqchip_unlock:
r = 0;
break;
case KVM_CAP_X86_USER_SPACE_MSR:
r = -EINVAL;
if (cap->args[0] & ~(KVM_MSR_EXIT_REASON_INVAL |
KVM_MSR_EXIT_REASON_UNKNOWN |
KVM_MSR_EXIT_REASON_FILTER))
break;
kvm->arch.user_space_msr_mask = cap->args[0];
r = 0;
break;
@ -6183,6 +6188,9 @@ static int kvm_vm_ioctl_set_msr_filter(struct kvm *kvm, void __user *argp)
if (copy_from_user(&filter, user_msr_filter, sizeof(filter)))
return -EFAULT;
if (filter.flags & ~KVM_MSR_FILTER_DEFAULT_DENY)
return -EINVAL;
for (i = 0; i < ARRAY_SIZE(filter.ranges); i++)
empty &= !filter.ranges[i].nmsrs;

1
certs/Kconfig
View File

@ -43,6 +43,7 @@ config SYSTEM_TRUSTED_KEYRING
bool "Provide system-wide ring of trusted keys"
depends on KEYS
depends on ASYMMETRIC_KEY_TYPE
depends on X509_CERTIFICATE_PARSER
help
Provide a system keyring to which trusted keys can be added. Keys in
the keyring are considered to be trusted. Keys may be added at will

2
drivers/acpi/cppc_acpi.c
View File

@ -782,6 +782,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
if (!osc_cpc_flexible_adr_space_confirmed) {
pr_debug("Flexible address space capability not supported\n");
if (!cpc_supported_by_cpu())
goto out_free;
}
@ -809,6 +810,7 @@ int acpi_cppc_processor_probe(struct acpi_processor *pr)
}
if (!osc_cpc_flexible_adr_space_confirmed) {
pr_debug("Flexible address space capability not supported\n");
if (!cpc_supported_by_cpu())
goto out_free;
}
} else {

2
drivers/clk/clk-lan966x.c
View File

@ -213,7 +213,7 @@ static int lan966x_gate_clk_register(struct device *dev,
hw_data->hws[i] =
devm_clk_hw_register_gate(dev, clk_gate_desc[idx].name,
"lan966x", 0, base,
"lan966x", 0, gate_base,
clk_gate_desc[idx].bit_idx,
0, &clk_gate_lock);

22
drivers/gpio/gpio-pca953x.c
View File

@ -351,6 +351,9 @@ static const struct regmap_config pca953x_i2c_regmap = {
.reg_bits = 8,
.val_bits = 8,
.use_single_read = true,
.use_single_write = true,
.readable_reg = pca953x_readable_register,
.writeable_reg = pca953x_writeable_register,
.volatile_reg = pca953x_volatile_register,
@ -906,15 +909,18 @@ static int pca953x_irq_setup(struct pca953x_chip *chip,
static int device_pca95xx_init(struct pca953x_chip *chip, u32 invert)
{
DECLARE_BITMAP(val, MAX_LINE);
u8 regaddr;
int ret;
ret = regcache_sync_region(chip->regmap, chip->regs->output,
chip->regs->output + NBANK(chip));
regaddr = pca953x_recalc_addr(chip, chip->regs->output, 0);
ret = regcache_sync_region(chip->regmap, regaddr,
regaddr + NBANK(chip) - 1);
if (ret)
goto out;
ret = regcache_sync_region(chip->regmap, chip->regs->direction,
chip->regs->direction + NBANK(chip));
regaddr = pca953x_recalc_addr(chip, chip->regs->direction, 0);
ret = regcache_sync_region(chip->regmap, regaddr,
regaddr + NBANK(chip) - 1);
if (ret)
goto out;
@ -1127,14 +1133,14 @@ static int pca953x_regcache_sync(struct device *dev)
* sync these registers first and only then sync the rest.
*/
regaddr = pca953x_recalc_addr(chip, chip->regs->direction, 0);
ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip));
ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip) - 1);
if (ret) {
dev_err(dev, "Failed to sync GPIO dir registers: %d\n", ret);
return ret;
}
regaddr = pca953x_recalc_addr(chip, chip->regs->output, 0);
ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip));
ret = regcache_sync_region(chip->regmap, regaddr, regaddr + NBANK(chip) - 1);
if (ret) {
dev_err(dev, "Failed to sync GPIO out registers: %d\n", ret);
return ret;
@ -1144,7 +1150,7 @@ static int pca953x_regcache_sync(struct device *dev)
if (chip->driver_data & PCA_PCAL) {
regaddr = pca953x_recalc_addr(chip, PCAL953X_IN_LATCH, 0);
ret = regcache_sync_region(chip->regmap, regaddr,
regaddr + NBANK(chip));
regaddr + NBANK(chip) - 1);
if (ret) {
dev_err(dev, "Failed to sync INT latch registers: %d\n",
ret);
@ -1153,7 +1159,7 @@ static int pca953x_regcache_sync(struct device *dev)
regaddr = pca953x_recalc_addr(chip, PCAL953X_INT_MASK, 0);
ret = regcache_sync_region(chip->regmap, regaddr,
regaddr + NBANK(chip));
regaddr + NBANK(chip) - 1);
if (ret) {
dev_err(dev, "Failed to sync INT mask registers: %d\n",
ret);

2
drivers/gpio/gpio-xilinx.c
View File

@ -99,7 +99,7 @@ static inline void xgpio_set_value32(unsigned long *map, int bit, u32 v)
const unsigned long offset = (bit % BITS_PER_LONG) & BIT(5);
map[index] &= ~(0xFFFFFFFFul << offset);
map[index] |= v << offset;
map[index] |= (unsigned long)v << offset;
}
static inline int xgpio_regoffset(struct xgpio_instance *chip, int ch)

6
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
View File

@ -1364,16 +1364,10 @@ void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
struct amdgpu_vm *vm)
{
struct amdkfd_process_info *process_info = vm->process_info;
struct amdgpu_bo *pd = vm->root.bo;
if (!process_info)
return;
/* Release eviction fence from PD */
amdgpu_bo_reserve(pd, false);
amdgpu_bo_fence(pd, NULL, false);
amdgpu_bo_unreserve(pd);
/* Update process info */
mutex_lock(&process_info->lock);
process_info->n_vms--;

3
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
View File

@ -40,7 +40,7 @@ static void amdgpu_bo_list_free_rcu(struct rcu_head *rcu)
{
struct amdgpu_bo_list *list = container_of(rcu, struct amdgpu_bo_list,
rhead);
mutex_destroy(&list->bo_list_mutex);
kvfree(list);
}
@ -136,6 +136,7 @@ int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp,
trace_amdgpu_cs_bo_status(list->num_entries, total_size);
mutex_init(&list->bo_list_mutex);
*result = list;
return 0;

4
drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h
View File

@ -47,6 +47,10 @@ struct amdgpu_bo_list {
struct amdgpu_bo *oa_obj;
unsigned first_userptr;
unsigned num_entries;
/* Protect access during command submission.
*/
struct mutex bo_list_mutex;
};
int amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id,

16
drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
View File

@ -519,6 +519,8 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
return r;
}
mutex_lock(&p->bo_list->bo_list_mutex);
/* One for TTM and one for the CS job */
amdgpu_bo_list_for_each_entry(e, p->bo_list)
e->tv.num_shared = 2;
@ -651,6 +653,7 @@ out_free_user_pages:
kvfree(e->user_pages);
e->user_pages = NULL;
}
mutex_unlock(&p->bo_list->bo_list_mutex);
}
return r;
}
@ -690,9 +693,11 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
{
unsigned i;
if (error && backoff)
if (error && backoff) {
ttm_eu_backoff_reservation(&parser->ticket,
&parser->validated);
mutex_unlock(&parser->bo_list->bo_list_mutex);
}
for (i = 0; i < parser->num_post_deps; i++) {
drm_syncobj_put(parser->post_deps[i].syncobj);
@ -832,13 +837,17 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
continue;
r = amdgpu_vm_bo_update(adev, bo_va, false);
if (r)
if (r) {
mutex_unlock(&p->bo_list->bo_list_mutex);
return r;
}
r = amdgpu_sync_fence(&p->job->sync, bo_va->last_pt_update);
if (r)
if (r) {
mutex_unlock(&p->bo_list->bo_list_mutex);
return r;
}
}
r = amdgpu_vm_handle_moved(adev, vm);
if (r)
@ -1278,6 +1287,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
ttm_eu_fence_buffer_objects(&p->ticket, &p->validated, p->fence);
mutex_unlock(&p->adev->notifier_lock);
mutex_unlock(&p->bo_list->bo_list_mutex);
return 0;

27
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
View File

@ -1653,7 +1653,7 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
#if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
adev->dm.crc_rd_wrk = amdgpu_dm_crtc_secure_display_create_work();
#endif
if (dc_enable_dmub_notifications(adev->dm.dc)) {
if (dc_is_dmub_outbox_supported(adev->dm.dc)) {
init_completion(&adev->dm.dmub_aux_transfer_done);
adev->dm.dmub_notify = kzalloc(sizeof(struct dmub_notification), GFP_KERNEL);
if (!adev->dm.dmub_notify) {
@ -1689,6 +1689,13 @@ static int amdgpu_dm_init(struct amdgpu_device *adev)
goto error;
}
/* Enable outbox notification only after IRQ handlers are registered and DMUB is alive.
* It is expected that DMUB will resend any pending notifications at this point, for
* example HPD from DPIA.
*/
if (dc_is_dmub_outbox_supported(adev->dm.dc))
dc_enable_dmub_outbox(adev->dm.dc);
/* create fake encoders for MST */
dm_dp_create_fake_mst_encoders(adev);
@ -2678,9 +2685,6 @@ static int dm_resume(void *handle)
*/
link_enc_cfg_copy(adev->dm.dc->current_state, dc_state);
if (dc_enable_dmub_notifications(adev->dm.dc))
amdgpu_dm_outbox_init(adev);
r = dm_dmub_hw_init(adev);
if (r)
DRM_ERROR("DMUB interface failed to initialize: status=%d\n", r);
@ -2698,6 +2702,11 @@ static int dm_resume(void *handle)
}
}
if (dc_is_dmub_outbox_supported(adev->dm.dc)) {
amdgpu_dm_outbox_init(adev);
dc_enable_dmub_outbox(adev->dm.dc);
}
WARN_ON(!dc_commit_state(dm->dc, dc_state));
dm_gpureset_commit_state(dm->cached_dc_state, dm);
@ -2719,13 +2728,15 @@ static int dm_resume(void *handle)
/* TODO: Remove dc_state->dccg, use dc->dccg directly. */
dc_resource_state_construct(dm->dc, dm_state->context);
/* Re-enable outbox interrupts for DPIA. */
if (dc_enable_dmub_notifications(adev->dm.dc))
amdgpu_dm_outbox_init(adev);
/* Before powering on DC we need to re-initialize DMUB. */
dm_dmub_hw_resume(adev);
/* Re-enable outbox interrupts for DPIA. */
if (dc_is_dmub_outbox_supported(adev->dm.dc)) {
amdgpu_dm_outbox_init(adev);
dc_enable_dmub_outbox(adev->dm.dc);
}
/* power on hardware */
dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0);

9
drivers/gpu/drm/drm_gem_ttm_helper.c
View File

@ -64,8 +64,13 @@ int drm_gem_ttm_vmap(struct drm_gem_object *gem,
struct iosys_map *map)
{
struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);
int ret;
return ttm_bo_vmap(bo, map);
dma_resv_lock(gem->resv, NULL);
ret = ttm_bo_vmap(bo, map);
dma_resv_unlock(gem->resv);
return ret;
}
EXPORT_SYMBOL(drm_gem_ttm_vmap);
@ -82,7 +87,9 @@ void drm_gem_ttm_vunmap(struct drm_gem_object *gem,
{
struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);
dma_resv_lock(gem->resv, NULL);
ttm_bo_vunmap(bo, map);
dma_resv_unlock(gem->resv);
}
EXPORT_SYMBOL(drm_gem_ttm_vunmap);

11
drivers/gpu/drm/i915/gt/intel_context_types.h
View File

@ -273,10 +273,17 @@ struct intel_context {
u8 child_index;
/** @guc: GuC specific members for parallel submission */
struct {
/** @wqi_head: head pointer in work queue */
/** @wqi_head: cached head pointer in work queue */
u16 wqi_head;
/** @wqi_tail: tail pointer in work queue */
/** @wqi_tail: cached tail pointer in work queue */
u16 wqi_tail;
/** @wq_head: pointer to the actual head in work queue */
u32 *wq_head;
/** @wq_tail: pointer to the actual head in work queue */
u32 *wq_tail;
/** @wq_status: pointer to the status in work queue */
u32 *wq_status;
/**
* @parent_page: page in context state (ce->state) used
* by parent for work queue, process descriptor

12
drivers/gpu/drm/i915/gt/intel_execlists_submission.c
View File

@ -661,6 +661,16 @@ static inline void execlists_schedule_out(struct i915_request *rq)
i915_request_put(rq);
}
static u32 map_i915_prio_to_lrc_desc_prio(int prio)
{
if (prio > I915_PRIORITY_NORMAL)
return GEN12_CTX_PRIORITY_HIGH;
else if (prio < I915_PRIORITY_NORMAL)
return GEN12_CTX_PRIORITY_LOW;
else
return GEN12_CTX_PRIORITY_NORMAL;
}
static u64 execlists_update_context(struct i915_request *rq)
{
struct intel_context *ce = rq->context;
@ -669,7 +679,7 @@ static u64 execlists_update_context(struct i915_request *rq)
desc = ce->lrc.desc;
if (rq->engine->flags & I915_ENGINE_HAS_EU_PRIORITY)
desc |= lrc_desc_priority(rq_prio(rq));
desc |= map_i915_prio_to_lrc_desc_prio(rq_prio(rq));
/*
* WaIdleLiteRestore:bdw,skl

10
drivers/gpu/drm/i915/gt/intel_lrc.h
View File

@ -111,16 +111,6 @@ enum {
#define XEHP_SW_COUNTER_SHIFT 58
#define XEHP_SW_COUNTER_WIDTH 6
static inline u32 lrc_desc_priority(int prio)
{
if (prio > I915_PRIORITY_NORMAL)
return GEN12_CTX_PRIORITY_HIGH;
else if (prio < I915_PRIORITY_NORMAL)
return GEN12_CTX_PRIORITY_LOW;
else
return GEN12_CTX_PRIORITY_NORMAL;
}
static inline void lrc_runtime_start(struct intel_context *ce)
{
struct intel_context_stats *stats = &ce->stats;

3
drivers/gpu/drm/i915/gt/uc/abi/guc_actions_abi.h
View File

@ -122,6 +122,9 @@ enum intel_guc_action {
INTEL_GUC_ACTION_SCHED_CONTEXT_MODE_DONE = 0x1002,
INTEL_GUC_ACTION_SCHED_ENGINE_MODE_SET = 0x1003,
INTEL_GUC_ACTION_SCHED_ENGINE_MODE_DONE = 0x1004,
INTEL_GUC_ACTION_V69_SET_CONTEXT_PRIORITY = 0x1005,
INTEL_GUC_ACTION_V69_SET_CONTEXT_EXECUTION_QUANTUM = 0x1006,
INTEL_GUC_ACTION_V69_SET_CONTEXT_PREEMPTION_TIMEOUT = 0x1007,
INTEL_GUC_ACTION_CONTEXT_RESET_NOTIFICATION = 0x1008,
INTEL_GUC_ACTION_ENGINE_FAILURE_NOTIFICATION = 0x1009,
INTEL_GUC_ACTION_HOST2GUC_UPDATE_CONTEXT_POLICIES = 0x100B,

5
drivers/gpu/drm/i915/gt/uc/intel_guc.h
View File

@ -170,6 +170,11 @@ struct intel_guc {
/** @ads_engine_usage_size: size of engine usage in the ADS */
u32 ads_engine_usage_size;
/** @lrc_desc_pool_v69: object allocated to hold the GuC LRC descriptor pool */
struct i915_vma *lrc_desc_pool_v69;
/** @lrc_desc_pool_vaddr_v69: contents of the GuC LRC descriptor pool */
void *lrc_desc_pool_vaddr_v69;
/**
* @context_lookup: used to resolve intel_context from guc_id, if a
* context is present in this structure it is registered with the GuC

45
drivers/gpu/drm/i915/gt/uc/intel_guc_fwif.h
View File

@ -203,6 +203,20 @@ struct guc_wq_item {
u32 fence_id;
} __packed;
struct guc_process_desc_v69 {
u32 stage_id;
u64 db_base_addr;
u32 head;
u32 tail;
u32 error_offset;
u64 wq_base_addr;
u32 wq_size_bytes;
u32 wq_status;
u32 engine_presence;
u32 priority;
u32 reserved[36];
} __packed;
struct guc_sched_wq_desc {
u32 head;
u32 tail;
@ -227,6 +241,37 @@ struct guc_ctxt_registration_info {
};
#define CONTEXT_REGISTRATION_FLAG_KMD BIT(0)
/* Preempt to idle on quantum expiry */
#define CONTEXT_POLICY_FLAG_PREEMPT_TO_IDLE_V69 BIT(0)
/*
* GuC Context registration descriptor.
* FIXME: This is only required to exist during context registration.
* The current 1:1 between guc_lrc_desc and LRCs for the lifetime of the LRC
* is not required.
*/
struct guc_lrc_desc_v69 {
u32 hw_context_desc;
u32 slpm_perf_mode_hint; /* SPLC v1 only */
u32 slpm_freq_hint;
u32 engine_submit_mask; /* In logical space */
u8 engine_class;
u8 reserved0[3];
u32 priority;
u32 process_desc;
u32 wq_addr;
u32 wq_size;
u32 context_flags; /* CONTEXT_REGISTRATION_* */
/* Time for one workload to execute. (in micro seconds) */
u32 execution_quantum;
/* Time to wait for a preemption request to complete before issuing a
* reset. (in micro seconds).
*/
u32 preemption_timeout;
u32 policy_flags; /* CONTEXT_POLICY_* */
u32 reserved1[19];
} __packed;
/* 32-bit KLV structure as used by policy updates and others */
struct guc_klv_generic_dw_t {
u32 kl;

338
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
View File

@ -414,12 +414,15 @@ struct sync_semaphore {
};
struct parent_scratch {
union guc_descs {
struct guc_sched_wq_desc wq_desc;
struct guc_process_desc_v69 pdesc;
} descs;
struct sync_semaphore go;
struct sync_semaphore join[MAX_ENGINE_INSTANCE + 1];
u8 unused[WQ_OFFSET - sizeof(struct guc_sched_wq_desc) -
u8 unused[WQ_OFFSET - sizeof(union guc_descs) -
sizeof(struct sync_semaphore) * (MAX_ENGINE_INSTANCE + 2)];
u32 wq[WQ_SIZE / sizeof(u32)];
@ -456,17 +459,23 @@ __get_parent_scratch(struct intel_context *ce)
LRC_STATE_OFFSET) / sizeof(u32)));
}
static struct guc_sched_wq_desc *
__get_wq_desc(struct intel_context *ce)
static struct guc_process_desc_v69 *
__get_process_desc_v69(struct intel_context *ce)
{
struct parent_scratch *ps = __get_parent_scratch(ce);
return &ps->wq_desc;
return &ps->descs.pdesc;
}
static u32 *get_wq_pointer(struct guc_sched_wq_desc *wq_desc,
struct intel_context *ce,
u32 wqi_size)
static struct guc_sched_wq_desc *
__get_wq_desc_v70(struct intel_context *ce)
{
struct parent_scratch *ps = __get_parent_scratch(ce);
return &ps->descs.wq_desc;
}
static u32 *get_wq_pointer(struct intel_context *ce, u32 wqi_size)
{
/*
* Check for space in work queue. Caching a value of head pointer in
@ -476,7 +485,7 @@ static u32 *get_wq_pointer(struct guc_sched_wq_desc *wq_desc,
#define AVAILABLE_SPACE \
CIRC_SPACE(ce->parallel.guc.wqi_tail, ce->parallel.guc.wqi_head, WQ_SIZE)
if (wqi_size > AVAILABLE_SPACE) {
ce->parallel.guc.wqi_head = READ_ONCE(wq_desc->head);
ce->parallel.guc.wqi_head = READ_ONCE(*ce->parallel.guc.wq_head);
if (wqi_size > AVAILABLE_SPACE)
return NULL;
@ -495,11 +504,55 @@ static inline struct intel_context *__get_context(struct intel_guc *guc, u32 id)
return ce;
}
static struct guc_lrc_desc_v69 *__get_lrc_desc_v69(struct intel_guc *guc, u32 index)
{
struct guc_lrc_desc_v69 *base = guc->lrc_desc_pool_vaddr_v69;
if (!base)
return NULL;
GEM_BUG_ON(index >= GUC_MAX_CONTEXT_ID);
return &base[index];
}
static int guc_lrc_desc_pool_create_v69(struct intel_guc *guc)
{
u32 size;
int ret;
size = PAGE_ALIGN(sizeof(struct guc_lrc_desc_v69) *
GUC_MAX_CONTEXT_ID);
ret = intel_guc_allocate_and_map_vma(guc, size, &guc->lrc_desc_pool_v69,
(void **)&guc->lrc_desc_pool_vaddr_v69);
if (ret)
return ret;
return 0;
}
static void guc_lrc_desc_pool_destroy_v69(struct intel_guc *guc)
{
if (!guc->lrc_desc_pool_vaddr_v69)
return;
guc->lrc_desc_pool_vaddr_v69 = NULL;
i915_vma_unpin_and_release(&guc->lrc_desc_pool_v69, I915_VMA_RELEASE_MAP);
}
static inline bool guc_submission_initialized(struct intel_guc *guc)
{
return guc->submission_initialized;
}
static inline void _reset_lrc_desc_v69(struct intel_guc *guc, u32 id)
{
struct guc_lrc_desc_v69 *desc = __get_lrc_desc_v69(guc, id);
if (desc)
memset(desc, 0, sizeof(*desc));
}
static inline bool ctx_id_mapped(struct intel_guc *guc, u32 id)
{
return __get_context(guc, id);
@ -526,6 +579,8 @@ static inline void clr_ctx_id_mapping(struct intel_guc *guc, u32 id)
if (unlikely(!guc_submission_initialized(guc)))
return;
_reset_lrc_desc_v69(guc, id);
/*
* xarray API doesn't have xa_erase_irqsave wrapper, so calling
* the lower level functions directly.
@ -611,7 +666,7 @@ int intel_guc_wait_for_idle(struct intel_guc *guc, long timeout)
true, timeout);
}
static int guc_context_policy_init(struct intel_context *ce, bool loop);
static int guc_context_policy_init_v70(struct intel_context *ce, bool loop);
static int try_context_registration(struct intel_context *ce, bool loop);
static int __guc_add_request(struct intel_guc *guc, struct i915_request *rq)
@ -639,7 +694,7 @@ static int __guc_add_request(struct intel_guc *guc, struct i915_request *rq)
GEM_BUG_ON(context_guc_id_invalid(ce));
if (context_policy_required(ce)) {
err = guc_context_policy_init(ce, false);
err = guc_context_policy_init_v70(ce, false);
if (err)
return err;
}
@ -737,9 +792,7 @@ static u32 wq_space_until_wrap(struct intel_context *ce)
return (WQ_SIZE - ce->parallel.guc.wqi_tail);
}
static void write_wqi(struct guc_sched_wq_desc *wq_desc,
struct intel_context *ce,
u32 wqi_size)
static void write_wqi(struct intel_context *ce, u32 wqi_size)
{
BUILD_BUG_ON(!is_power_of_2(WQ_SIZE));
@ -750,13 +803,12 @@ static void write_wqi(struct guc_sched_wq_desc *wq_desc,
ce->parallel.guc.wqi_tail = (ce->parallel.guc.wqi_tail + wqi_size) &
(WQ_SIZE - 1);
WRITE_ONCE(wq_desc->tail, ce->parallel.guc.wqi_tail);
WRITE_ONCE(*ce->parallel.guc.wq_tail, ce->parallel.guc.wqi_tail);
}
static int guc_wq_noop_append(struct intel_context *ce)
{
struct guc_sched_wq_desc *wq_desc = __get_wq_desc(ce);
u32 *wqi = get_wq_pointer(wq_desc, ce, wq_space_until_wrap(ce));
u32 *wqi = get_wq_pointer(ce, wq_space_until_wrap(ce));
u32 len_dw = wq_space_until_wrap(ce) / sizeof(u32) - 1;
if (!wqi)
@ -775,7 +827,6 @@ static int __guc_wq_item_append(struct i915_request *rq)
{
struct intel_context *ce = request_to_scheduling_context(rq);
struct intel_context *child;
struct guc_sched_wq_desc *wq_desc = __get_wq_desc(ce);
unsigned int wqi_size = (ce->parallel.number_children + 4) *
sizeof(u32);
u32 *wqi;
@ -795,7 +846,7 @@ static int __guc_wq_item_append(struct i915_request *rq)
return ret;
}
wqi = get_wq_pointer(wq_desc, ce, wqi_size);
wqi = get_wq_pointer(ce, wqi_size);
if (!wqi)
return -EBUSY;
@ -810,7 +861,7 @@ static int __guc_wq_item_append(struct i915_request *rq)
for_each_child(ce, child)
*wqi++ = child->ring->tail / sizeof(u64);
write_wqi(wq_desc, ce, wqi_size);
write_wqi(ce, wqi_size);
return 0;
}
@ -1868,20 +1919,34 @@ static void reset_fail_worker_func(struct work_struct *w);
int intel_guc_submission_init(struct intel_guc *guc)
{
struct intel_gt *gt = guc_to_gt(guc);
int ret;
if (guc->submission_initialized)
return 0;
if (guc->fw.major_ver_found < 70) {
ret = guc_lrc_desc_pool_create_v69(guc);
if (ret)
return ret;
}
guc->submission_state.guc_ids_bitmap =
bitmap_zalloc(NUMBER_MULTI_LRC_GUC_ID(guc), GFP_KERNEL);
if (!guc->submission_state.guc_ids_bitmap)
return -ENOMEM;
if (!guc->submission_state.guc_ids_bitmap) {
ret = -ENOMEM;
goto destroy_pool;
}
guc->timestamp.ping_delay = (POLL_TIME_CLKS / gt->clock_frequency + 1) * HZ;
guc->timestamp.shift = gpm_timestamp_shift(gt);
guc->submission_initialized = true;
return 0;
destroy_pool:
guc_lrc_desc_pool_destroy_v69(guc);
return ret;
}
void intel_guc_submission_fini(struct intel_guc *guc)
@ -1890,6 +1955,7 @@ void intel_guc_submission_fini(struct intel_guc *guc)
return;
guc_flush_destroyed_contexts(guc);
guc_lrc_desc_pool_destroy_v69(guc);
i915_sched_engine_put(guc->sched_engine);
bitmap_free(guc->submission_state.guc_ids_bitmap);
guc->submission_initialized = false;
@ -2147,7 +2213,31 @@ static void unpin_guc_id(struct intel_guc *guc, struct intel_context *ce)
spin_unlock_irqrestore(&guc->submission_state.lock, flags);
}
static int __guc_action_register_multi_lrc(struct intel_guc *guc,
static int __guc_action_register_multi_lrc_v69(struct intel_guc *guc,
struct intel_context *ce,
u32 guc_id,
u32 offset,
bool loop)
{
struct intel_context *child;
u32 action[4 + MAX_ENGINE_INSTANCE];
int len = 0;
GEM_BUG_ON(ce->parallel.number_children > MAX_ENGINE_INSTANCE);
action[len++] = INTEL_GUC_ACTION_REGISTER_CONTEXT_MULTI_LRC;
action[len++] = guc_id;
action[len++] = ce->parallel.number_children + 1;
action[len++] = offset;
for_each_child(ce, child) {
offset += sizeof(struct guc_lrc_desc_v69);
action[len++] = offset;
}
return guc_submission_send_busy_loop(guc, action, len, 0, loop);
}
static int __guc_action_register_multi_lrc_v70(struct intel_guc *guc,
struct intel_context *ce,
struct guc_ctxt_registration_info *info,
bool loop)
@ -2190,7 +2280,22 @@ static int __guc_action_register_multi_lrc(struct intel_guc *guc,
return guc_submission_send_busy_loop(guc, action, len, 0, loop);
}
static int __guc_action_register_context(struct intel_guc *guc,
static int __guc_action_register_context_v69(struct intel_guc *guc,
u32 guc_id,
u32 offset,
bool loop)
{
u32 action[] = {
INTEL_GUC_ACTION_REGISTER_CONTEXT,
guc_id,
offset,
};
return guc_submission_send_busy_loop(guc, action, ARRAY_SIZE(action),
0, loop);
}
static int __guc_action_register_context_v70(struct intel_guc *guc,
struct guc_ctxt_registration_info *info,
bool loop)
{
@ -2213,24 +2318,52 @@ static int __guc_action_register_context(struct intel_guc *guc,
0, loop);
}
static void prepare_context_registration_info(struct intel_context *ce,
static void prepare_context_registration_info_v69(struct intel_context *ce);
static void prepare_context_registration_info_v70(struct intel_context *ce,
struct guc_ctxt_registration_info *info);
static int
register_context_v69(struct intel_guc *guc, struct intel_context *ce, bool loop)
{
u32 offset = intel_guc_ggtt_offset(guc, guc->lrc_desc_pool_v69) +
ce->guc_id.id * sizeof(struct guc_lrc_desc_v69);
prepare_context_registration_info_v69(ce);
if (intel_context_is_parent(ce))
return __guc_action_register_multi_lrc_v69(guc, ce, ce->guc_id.id,
offset, loop);
else
return __guc_action_register_context_v69(guc, ce->guc_id.id,
offset, loop);
}
static int
register_context_v70(struct intel_guc *guc, struct intel_context *ce, bool loop)
{
struct guc_ctxt_registration_info info;
prepare_context_registration_info_v70(ce, &info);
if (intel_context_is_parent(ce))
return __guc_action_register_multi_lrc_v70(guc, ce, &info, loop);
else
return __guc_action_register_context_v70(guc, &info, loop);
}
static int register_context(struct intel_context *ce, bool loop)
{
struct guc_ctxt_registration_info info;
struct intel_guc *guc = ce_to_guc(ce);
int ret;
GEM_BUG_ON(intel_context_is_child(ce));
trace_intel_context_register(ce);
prepare_context_registration_info(ce, &info);
if (intel_context_is_parent(ce))
ret = __guc_action_register_multi_lrc(guc, ce, &info, loop);
if (guc->fw.major_ver_found >= 70)
ret = register_context_v70(guc, ce, loop);
else
ret = __guc_action_register_context(guc, &info, loop);
ret = register_context_v69(guc, ce, loop);
if (likely(!ret)) {
unsigned long flags;
@ -2238,7 +2371,8 @@ static int register_context(struct intel_context *ce, bool loop)
set_context_registered(ce);
spin_unlock_irqrestore(&ce->guc_state.lock, flags);
guc_context_policy_init(ce, loop);
if (guc->fw.major_ver_found >= 70)
guc_context_policy_init_v70(ce, loop);
}
return ret;
@ -2335,7 +2469,7 @@ static int __guc_context_set_context_policies(struct intel_guc *guc,
0, loop);
}
static int guc_context_policy_init(struct intel_context *ce, bool loop)
static int guc_context_policy_init_v70(struct intel_context *ce, bool loop)
{
struct intel_engine_cs *engine = ce->engine;
struct intel_guc *guc = &engine->gt->uc.guc;
@ -2394,7 +2528,107 @@ static int guc_context_policy_init(struct intel_context *ce, bool loop)
return ret;
}
static void prepare_context_registration_info(struct intel_context *ce,
static void guc_context_policy_init_v69(struct intel_engine_cs *engine,
struct guc_lrc_desc_v69 *desc)
{
desc->policy_flags = 0;
if (engine->flags & I915_ENGINE_WANT_FORCED_PREEMPTION)
desc->policy_flags |= CONTEXT_POLICY_FLAG_PREEMPT_TO_IDLE_V69;
/* NB: For both of these, zero means disabled. */
desc->execution_quantum = engine->props.timeslice_duration_ms * 1000;
desc->preemption_timeout = engine->props.preempt_timeout_ms * 1000;
}
static u32 map_guc_prio_to_lrc_desc_prio(u8 prio)
{
/*
* this matches the mapping we do in map_i915_prio_to_guc_prio()
* (e.g. prio < I915_PRIORITY_NORMAL maps to GUC_CLIENT_PRIORITY_NORMAL)
*/
switch (prio) {
default:
MISSING_CASE(prio);
fallthrough;
case GUC_CLIENT_PRIORITY_KMD_NORMAL:
return GEN12_CTX_PRIORITY_NORMAL;
case GUC_CLIENT_PRIORITY_NORMAL:
return GEN12_CTX_PRIORITY_LOW;
case GUC_CLIENT_PRIORITY_HIGH:
case GUC_CLIENT_PRIORITY_KMD_HIGH:
return GEN12_CTX_PRIORITY_HIGH;
}
}
static void prepare_context_registration_info_v69(struct intel_context *ce)
{
struct intel_engine_cs *engine = ce->engine;
struct intel_guc *guc = &engine->gt->uc.guc;
u32 ctx_id = ce->guc_id.id;
struct guc_lrc_desc_v69 *desc;
struct intel_context *child;
GEM_BUG_ON(!engine->mask);
/*
* Ensure LRC + CT vmas are is same region as write barrier is done
* based on CT vma region.
*/
GEM_BUG_ON(i915_gem_object_is_lmem(guc->ct.vma->obj) !=
i915_gem_object_is_lmem(ce->ring->vma->obj));
desc = __get_lrc_desc_v69(guc, ctx_id);
desc->engine_class = engine_class_to_guc_class(engine->class);
desc->engine_submit_mask = engine->logical_mask;
desc->hw_context_desc = ce->lrc.lrca;
desc->priority = ce->guc_state.prio;
desc->context_flags = CONTEXT_REGISTRATION_FLAG_KMD;
guc_context_policy_init_v69(engine, desc);
/*
* If context is a parent, we need to register a process descriptor
* describing a work queue and register all child contexts.
*/
if (intel_context_is_parent(ce)) {
struct guc_process_desc_v69 *pdesc;
ce->parallel.guc.wqi_tail = 0;
ce->parallel.guc.wqi_head = 0;
desc->process_desc = i915_ggtt_offset(ce->state) +
__get_parent_scratch_offset(ce);
desc->wq_addr = i915_ggtt_offset(ce->state) +
__get_wq_offset(ce);
desc->wq_size = WQ_SIZE;
pdesc = __get_process_desc_v69(ce);
memset(pdesc, 0, sizeof(*(pdesc)));
pdesc->stage_id = ce->guc_id.id;
pdesc->wq_base_addr = desc->wq_addr;
pdesc->wq_size_bytes = desc->wq_size;
pdesc->wq_status = WQ_STATUS_ACTIVE;
ce->parallel.guc.wq_head = &pdesc->head;
ce->parallel.guc.wq_tail = &pdesc->tail;
ce->parallel.guc.wq_status = &pdesc->wq_status;
for_each_child(ce, child) {
desc = __get_lrc_desc_v69(guc, child->guc_id.id);
desc->engine_class =
engine_class_to_guc_class(engine->class);
desc->hw_context_desc = child->lrc.lrca;
desc->priority = ce->guc_state.prio;
desc->context_flags = CONTEXT_REGISTRATION_FLAG_KMD;
guc_context_policy_init_v69(engine, desc);
}
clear_children_join_go_memory(ce);
}
}
static void prepare_context_registration_info_v70(struct intel_context *ce,
struct guc_ctxt_registration_info *info)
{
struct intel_engine_cs *engine = ce->engine;
@ -2420,6 +2654,8 @@ static void prepare_context_registration_info(struct intel_context *ce,
*/
info->hwlrca_lo = lower_32_bits(ce->lrc.lrca);
info->hwlrca_hi = upper_32_bits(ce->lrc.lrca);
if (engine->flags & I915_ENGINE_HAS_EU_PRIORITY)
info->hwlrca_lo |= map_guc_prio_to_lrc_desc_prio(ce->guc_state.prio);
info->flags = CONTEXT_REGISTRATION_FLAG_KMD;
/*
@ -2443,10 +2679,14 @@ static void prepare_context_registration_info(struct intel_context *ce,
info->wq_base_hi = upper_32_bits(wq_base_offset);
info->wq_size = WQ_SIZE;
wq_desc = __get_wq_desc(ce);
wq_desc = __get_wq_desc_v70(ce);
memset(wq_desc, 0, sizeof(*wq_desc));
wq_desc->wq_status = WQ_STATUS_ACTIVE;
ce->parallel.guc.wq_head = &wq_desc->head;
ce->parallel.guc.wq_tail = &wq_desc->tail;
ce->parallel.guc.wq_status = &wq_desc->wq_status;
clear_children_join_go_memory(ce);
}
}
@ -2761,11 +3001,21 @@ static void __guc_context_set_preemption_timeout(struct intel_guc *guc,
u16 guc_id,
u32 preemption_timeout)
{
if (guc->fw.major_ver_found >= 70) {
struct context_policy policy;
__guc_context_policy_start_klv(&policy, guc_id);
__guc_context_policy_add_preemption_timeout(&policy, preemption_timeout);
__guc_context_set_context_policies(guc, &policy, true);
} else {
u32 action[] = {
INTEL_GUC_ACTION_V69_SET_CONTEXT_PREEMPTION_TIMEOUT,
guc_id,
preemption_timeout
};
intel_guc_send_busy_loop(guc, action, ARRAY_SIZE(action), 0, true);
}
}
static void guc_context_ban(struct intel_context *ce, struct i915_request *rq)
@ -3013,11 +3263,21 @@ static int guc_context_alloc(struct intel_context *ce)
static void __guc_context_set_prio(struct intel_guc *guc,
struct intel_context *ce)
{
if (guc->fw.major_ver_found >= 70) {
struct context_policy policy;
__guc_context_policy_start_klv(&policy, ce->guc_id.id);
__guc_context_policy_add_priority(&policy, ce->guc_state.prio);
__guc_context_set_context_policies(guc, &policy, true);
} else {
u32 action[] = {
INTEL_GUC_ACTION_V69_SET_CONTEXT_PRIORITY,
ce->guc_id.id,
ce->guc_state.prio,
};
guc_submission_send_busy_loop(guc, action, ARRAY_SIZE(action), 0, true);
}
}
static void guc_context_set_prio(struct intel_guc *guc,
@ -4527,17 +4787,19 @@ void intel_guc_submission_print_context_info(struct intel_guc *guc,
guc_log_context_priority(p, ce);
if (intel_context_is_parent(ce)) {
struct guc_sched_wq_desc *wq_desc = __get_wq_desc(ce);
struct intel_context *child;
drm_printf(p, "\t\tNumber children: %u\n",
ce->parallel.number_children);
if (ce->parallel.guc.wq_status) {
drm_printf(p, "\t\tWQI Head: %u\n",
READ_ONCE(wq_desc->head));
READ_ONCE(*ce->parallel.guc.wq_head));
drm_printf(p, "\t\tWQI Tail: %u\n",
READ_ONCE(wq_desc->tail));
READ_ONCE(*ce->parallel.guc.wq_tail));
drm_printf(p, "\t\tWQI Status: %u\n\n",
READ_ONCE(wq_desc->wq_status));
READ_ONCE(*ce->parallel.guc.wq_status));
}
if (ce->engine->emit_bb_start ==
emit_bb_start_parent_no_preempt_mid_batch) {

54
drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
View File

@ -70,6 +70,10 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw,
fw_def(BROXTON, 0, guc_def(bxt, 70, 1, 1)) \
fw_def(SKYLAKE, 0, guc_def(skl, 70, 1, 1))
#define INTEL_GUC_FIRMWARE_DEFS_FALLBACK(fw_def, guc_def) \
fw_def(ALDERLAKE_P, 0, guc_def(adlp, 69, 0, 3)) \
fw_def(ALDERLAKE_S, 0, guc_def(tgl, 69, 0, 3))
#define INTEL_HUC_FIRMWARE_DEFS(fw_def, huc_def) \
fw_def(ALDERLAKE_P, 0, huc_def(tgl, 7, 9, 3)) \
fw_def(ALDERLAKE_S, 0, huc_def(tgl, 7, 9, 3)) \
@ -105,6 +109,7 @@ void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw,
MODULE_FIRMWARE(uc_);
INTEL_GUC_FIRMWARE_DEFS(INTEL_UC_MODULE_FW, MAKE_GUC_FW_PATH)
INTEL_GUC_FIRMWARE_DEFS_FALLBACK(INTEL_UC_MODULE_FW, MAKE_GUC_FW_PATH)
INTEL_HUC_FIRMWARE_DEFS(INTEL_UC_MODULE_FW, MAKE_HUC_FW_PATH)
/* The below structs and macros are used to iterate across the list of blobs */
@ -149,6 +154,9 @@ __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw)
static const struct uc_fw_platform_requirement blobs_guc[] = {
INTEL_GUC_FIRMWARE_DEFS(MAKE_FW_LIST, GUC_FW_BLOB)
};
static const struct uc_fw_platform_requirement blobs_guc_fallback[] = {
INTEL_GUC_FIRMWARE_DEFS_FALLBACK(MAKE_FW_LIST, GUC_FW_BLOB)
};
static const struct uc_fw_platform_requirement blobs_huc[] = {
INTEL_HUC_FIRMWARE_DEFS(MAKE_FW_LIST, HUC_FW_BLOB)
};
@ -179,12 +187,29 @@ __uc_fw_auto_select(struct drm_i915_private *i915, struct intel_uc_fw *uc_fw)
if (p == fw_blobs[i].p && rev >= fw_blobs[i].rev) {
const struct uc_fw_blob *blob = &fw_blobs[i].blob;
uc_fw->path = blob->path;
uc_fw->wanted_path = blob->path;
uc_fw->major_ver_wanted = blob->major;
uc_fw->minor_ver_wanted = blob->minor;
break;
}
}
if (uc_fw->type == INTEL_UC_FW_TYPE_GUC) {
const struct uc_fw_platform_requirement *blobs = blobs_guc_fallback;
u32 count = ARRAY_SIZE(blobs_guc_fallback);
for (i = 0; i < count && p <= blobs[i].p; i++) {
if (p == blobs[i].p && rev >= blobs[i].rev) {
const struct uc_fw_blob *blob = &blobs[i].blob;
uc_fw->fallback.path = blob->path;
uc_fw->fallback.major_ver = blob->major;
uc_fw->fallback.minor_ver = blob->minor;
break;
}
}
}
/* make sure the list is ordered as expected */
if (IS_ENABLED(CONFIG_DRM_I915_SELFTEST)) {
for (i = 1; i < fw_count; i++) {
@ -338,7 +363,24 @@ int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw)
__force_fw_fetch_failures(uc_fw, -EINVAL);
__force_fw_fetch_failures(uc_fw, -ESTALE);
err = request_firmware(&fw, uc_fw->path, dev);
err = firmware_request_nowarn(&fw, uc_fw->path, dev);
if (err && !intel_uc_fw_is_overridden(uc_fw) && uc_fw->fallback.path) {
err = firmware_request_nowarn(&fw, uc_fw->fallback.path, dev);
if (!err) {
drm_notice(&i915->drm,
"%s firmware %s is recommended, but only %s was found\n",
intel_uc_fw_type_repr(uc_fw->type),
uc_fw->wanted_path,
uc_fw->fallback.path);
drm_info(&i915->drm,
"Consider updating your linux-firmware pkg or downloading from %s\n",
INTEL_UC_FIRMWARE_URL);
uc_fw->path = uc_fw->fallback.path;
uc_fw->major_ver_wanted = uc_fw->fallback.major_ver;
uc_fw->minor_ver_wanted = uc_fw->fallback.minor_ver;
}
}
if (err)
goto fail;
@ -437,7 +479,7 @@ fail:
INTEL_UC_FIRMWARE_MISSING :
INTEL_UC_FIRMWARE_ERROR);
drm_notice(&i915->drm, "%s firmware %s: fetch failed with error %d\n",
i915_probe_error(i915, "%s firmware %s: fetch failed with error %d\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path, err);
drm_info(&i915->drm, "%s firmware(s) can be downloaded from %s\n",
intel_uc_fw_type_repr(uc_fw->type), INTEL_UC_FIRMWARE_URL);
@ -796,7 +838,13 @@ size_t intel_uc_fw_copy_rsa(struct intel_uc_fw *uc_fw, void *dst, u32 max_len)
void intel_uc_fw_dump(const struct intel_uc_fw *uc_fw, struct drm_printer *p)
{
drm_printf(p, "%s firmware: %s\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->path);
intel_uc_fw_type_repr(uc_fw->type), uc_fw->wanted_path);
if (uc_fw->fallback.path) {
drm_printf(p, "%s firmware fallback: %s\n",
intel_uc_fw_type_repr(uc_fw->type), uc_fw->fallback.path);
drm_printf(p, "fallback selected: %s\n",
str_yes_no(uc_fw->path == uc_fw->fallback.path));
}
drm_printf(p, "\tstatus: %s\n",
intel_uc_fw_status_repr(uc_fw->status));
drm_printf(p, "\tversion: wanted %u.%u, found %u.%u\n",

7
drivers/gpu/drm/i915/gt/uc/intel_uc_fw.h
View File

@ -74,6 +74,7 @@ struct intel_uc_fw {
const enum intel_uc_fw_status status;
enum intel_uc_fw_status __status; /* no accidental overwrites */
};
const char *wanted_path;
const char *path;
bool user_overridden;
size_t size;
@ -98,6 +99,12 @@ struct intel_uc_fw {
u16 major_ver_found;
u16 minor_ver_found;
struct {
const char *path;
u16 major_ver;
u16 minor_ver;
} fallback;
u32 rsa_size;
u32 ucode_size;

3
drivers/gpu/drm/imx/dcss/dcss-dev.c
View File

@ -207,6 +207,7 @@ struct dcss_dev *dcss_dev_create(struct device *dev, bool hdmi_output)
ret = dcss_submodules_init(dcss);
if (ret) {
of_node_put(dcss->of_port);
dev_err(dev, "submodules initialization failed\n");
goto clks_err;
}
@ -237,6 +238,8 @@ void dcss_dev_destroy(struct dcss_dev *dcss)
dcss_clocks_disable(dcss);
}
of_node_put(dcss->of_port);
pm_runtime_disable(dcss->dev);
dcss_submodules_stop(dcss);

2
drivers/gpu/drm/panel/panel-edp.c
View File

@ -713,7 +713,7 @@ static int generic_edp_panel_probe(struct device *dev, struct panel_edp *panel)
of_property_read_u32(dev->of_node, "hpd-reliable-delay-ms", &reliable_ms);
desc->delay.hpd_reliable = reliable_ms;
of_property_read_u32(dev->of_node, "hpd-absent-delay-ms", &absent_ms);
desc->delay.hpd_reliable = absent_ms;
desc->delay.hpd_absent = absent_ms;
/* Power the panel on so we can read the EDID */
ret = pm_runtime_get_sync(dev);

6
drivers/gpu/drm/scheduler/sched_entity.c
View File

@ -190,7 +190,7 @@ long drm_sched_entity_flush(struct drm_sched_entity *entity, long timeout)
}
EXPORT_SYMBOL(drm_sched_entity_flush);
static void drm_sched_entity_kill_jobs_irq_work(struct irq_work *wrk)
static void drm_sched_entity_kill_jobs_work(struct work_struct *wrk)
{
struct drm_sched_job *job = container_of(wrk, typeof(*job), work);
@ -207,8 +207,8 @@ static void drm_sched_entity_kill_jobs_cb(struct dma_fence *f,
struct drm_sched_job *job = container_of(cb, struct drm_sched_job,
finish_cb);
init_irq_work(&job->work, drm_sched_entity_kill_jobs_irq_work);
irq_work_queue(&job->work);
INIT_WORK(&job->work, drm_sched_entity_kill_jobs_work);
schedule_work(&job->work);
}
static struct dma_fence *

30
drivers/i2c/busses/i2c-cadence.c
View File

@ -388,9 +388,9 @@ static irqreturn_t cdns_i2c_slave_isr(void *ptr)
*/
static irqreturn_t cdns_i2c_master_isr(void *ptr)
{
unsigned int isr_status, avail_bytes, updatetx;
unsigned int isr_status, avail_bytes;
unsigned int bytes_to_send;
bool hold_quirk;
bool updatetx;
struct cdns_i2c *id = ptr;
/* Signal completion only after everything is updated */
int done_flag = 0;
@ -410,11 +410,7 @@ static irqreturn_t cdns_i2c_master_isr(void *ptr)
* Check if transfer size register needs to be updated again for a
* large data receive operation.
*/
updatetx = 0;
if (id->recv_count > id->curr_recv_count)
updatetx = 1;
hold_quirk = (id->quirks & CDNS_I2C_BROKEN_HOLD_BIT) && updatetx;
updatetx = id->recv_count > id->curr_recv_count;
/* When receiving, handle data interrupt and completion interrupt */
if (id->p_recv_buf &&
@ -445,7 +441,7 @@ static irqreturn_t cdns_i2c_master_isr(void *ptr)
break;
}
if (cdns_is_holdquirk(id, hold_quirk))
if (cdns_is_holdquirk(id, updatetx))
break;
}
@ -456,7 +452,7 @@ static irqreturn_t cdns_i2c_master_isr(void *ptr)
* maintain transfer size non-zero while performing a large
* receive operation.
*/
if (cdns_is_holdquirk(id, hold_quirk)) {
if (cdns_is_holdquirk(id, updatetx)) {
/* wait while fifo is full */
while (cdns_i2c_readreg(CDNS_I2C_XFER_SIZE_OFFSET) !=
(id->curr_recv_count - CDNS_I2C_FIFO_DEPTH))
@ -478,22 +474,6 @@ static irqreturn_t cdns_i2c_master_isr(void *ptr)
CDNS_I2C_XFER_SIZE_OFFSET);
id->curr_recv_count = id->recv_count;
}
} else if (id->recv_count && !hold_quirk &&
!id->curr_recv_count) {
/* Set the slave address in address register*/
cdns_i2c_writereg(id->p_msg->addr & CDNS_I2C_ADDR_MASK,
CDNS_I2C_ADDR_OFFSET);
if (id->recv_count > CDNS_I2C_TRANSFER_SIZE) {
cdns_i2c_writereg(CDNS_I2C_TRANSFER_SIZE,
CDNS_I2C_XFER_SIZE_OFFSET);
id->curr_recv_count = CDNS_I2C_TRANSFER_SIZE;
} else {
cdns_i2c_writereg(id->recv_count,
CDNS_I2C_XFER_SIZE_OFFSET);
id->curr_recv_count = id->recv_count;
}
}
/* Clear hold (if not repeated start) and signal completion */

2
drivers/i2c/busses/i2c-imx.c
View File

@ -66,7 +66,7 @@
/* IMX I2C registers:
* the I2C register offset is different between SoCs,
* to provid support for all these chips, split the
* to provide support for all these chips, split the
* register offset into a fixed base address and a
* variable shift value, then the full register offset
* will be calculated by

2
drivers/i2c/busses/i2c-mlxcpld.c
View File

@ -49,7 +49,7 @@
#define MLXCPLD_LPCI2C_NACK_IND 2
#define MLXCPLD_I2C_FREQ_1000KHZ_SET 0x04
#define MLXCPLD_I2C_FREQ_400KHZ_SET 0x0c
#define MLXCPLD_I2C_FREQ_400KHZ_SET 0x0e
#define MLXCPLD_I2C_FREQ_100KHZ_SET 0x42
enum mlxcpld_i2c_frequency {

4
drivers/md/raid5.c
View File

@ -7304,7 +7304,9 @@ static struct r5conf *setup_conf(struct mddev *mddev)
goto abort;
conf->mddev = mddev;
if ((conf->stripe_hashtbl = kzalloc(PAGE_SIZE, GFP_KERNEL)) == NULL)
ret = -ENOMEM;
conf->stripe_hashtbl = kzalloc(PAGE_SIZE, GFP_KERNEL);
if (!conf->stripe_hashtbl)
goto abort;
/* We init hash_locks[0] separately to that it can be used

7
drivers/misc/lkdtm/Makefile
View File

@ -13,10 +13,13 @@ lkdtm-$(CONFIG_LKDTM) += cfi.o
lkdtm-$(CONFIG_LKDTM) += fortify.o
lkdtm-$(CONFIG_PPC_64S_HASH_MMU) += powerpc.o
KASAN_SANITIZE_rodata.o := n
KASAN_SANITIZE_stackleak.o := n
KASAN_SANITIZE_rodata.o := n
KCSAN_SANITIZE_rodata.o := n
KCOV_INSTRUMENT_rodata.o := n
CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO)
OBJECT_FILES_NON_STANDARD_rodata.o := y
CFLAGS_REMOVE_rodata.o += $(CC_FLAGS_LTO) $(RETHUNK_CFLAGS)
OBJCOPYFLAGS :=
OBJCOPYFLAGS_rodata_objcopy.o := \

10
drivers/mmc/host/sdhci-omap.c
View File

@ -1298,8 +1298,9 @@ static int sdhci_omap_probe(struct platform_device *pdev)
/*
* omap_device_pm_domain has callbacks to enable the main
* functional clock, interface clock and also configure the
* SYSCONFIG register of omap devices. The callback will be invoked
* as part of pm_runtime_get_sync.
* SYSCONFIG register to clear any boot loader set voltage
* capabilities before calling sdhci_setup_host(). The
* callback will be invoked as part of pm_runtime_get_sync.
*/
pm_runtime_use_autosuspend(dev);
pm_runtime_set_autosuspend_delay(dev, 50);
@ -1441,6 +1442,7 @@ static int __maybe_unused sdhci_omap_runtime_suspend(struct device *dev)
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct sdhci_omap_host *omap_host = sdhci_pltfm_priv(pltfm_host);
if (omap_host->con != -EINVAL)
sdhci_runtime_suspend_host(host);
sdhci_omap_context_save(omap_host);
@ -1458,10 +1460,10 @@ static int __maybe_unused sdhci_omap_runtime_resume(struct device *dev)
pinctrl_pm_select_default_state(dev);
if (omap_host->con != -EINVAL)
if (omap_host->con != -EINVAL) {
sdhci_omap_context_restore(omap_host);
sdhci_runtime_resume_host(host, 0);
}
return 0;
}

6
drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
View File

@ -850,9 +850,10 @@ static int gpmi_nfc_compute_timings(struct gpmi_nand_data *this,
unsigned int tRP_ps;
bool use_half_period;
int sample_delay_ps, sample_delay_factor;
u16 busy_timeout_cycles;
unsigned int busy_timeout_cycles;
u8 wrn_dly_sel;
unsigned long clk_rate, min_rate;
u64 busy_timeout_ps;
if (sdr->tRC_min >= 30000) {
/* ONFI non-EDO modes [0-3] */
@ -885,7 +886,8 @@ static int gpmi_nfc_compute_timings(struct gpmi_nand_data *this,
addr_setup_cycles = TO_CYCLES(sdr->tALS_min, period_ps);
data_setup_cycles = TO_CYCLES(sdr->tDS_min, period_ps);
data_hold_cycles = TO_CYCLES(sdr->tDH_min, period_ps);
busy_timeout_cycles = TO_CYCLES(sdr->tWB_max + sdr->tR_max, period_ps);
busy_timeout_ps = max(sdr->tBERS_max, sdr->tPROG_max);
busy_timeout_cycles = TO_CYCLES(busy_timeout_ps, period_ps);
hw->timing0 = BF_GPMI_TIMING0_ADDRESS_SETUP(addr_setup_cycles) |
BF_GPMI_TIMING0_DATA_HOLD(data_hold_cycles) |

5
drivers/net/ethernet/fungible/funeth/funeth_rx.c
View File

@ -142,6 +142,7 @@ static void *fun_run_xdp(struct funeth_rxq *q, skb_frag_t *frags, void *buf_va,
int ref_ok, struct funeth_txq *xdp_q)
{
struct bpf_prog *xdp_prog;
struct xdp_frame *xdpf;
struct xdp_buff xdp;
u32 act;
@ -163,7 +164,9 @@ static void *fun_run_xdp(struct funeth_rxq *q, skb_frag_t *frags, void *buf_va,
case XDP_TX:
if (unlikely(!ref_ok))
goto pass;
if (!fun_xdp_tx(xdp_q, xdp.data, xdp.data_end - xdp.data))
xdpf = xdp_convert_buff_to_frame(&xdp);
if (!xdpf || !fun_xdp_tx(xdp_q, xdpf))
goto xdp_error;
FUN_QSTAT_INC(q, xdp_tx);
q->xdp_flush |= FUN_XDP_FLUSH_TX;

20
drivers/net/ethernet/fungible/funeth/funeth_tx.c
View File

@ -487,7 +487,7 @@ static unsigned int fun_xdpq_clean(struct funeth_txq *q, unsigned int budget)
do {
fun_xdp_unmap(q, reclaim_idx);
page_frag_free(q->info[reclaim_idx].vaddr);
xdp_return_frame(q->info[reclaim_idx].xdpf);
trace_funeth_tx_free(q, reclaim_idx, 1, head);
@ -500,11 +500,11 @@ static unsigned int fun_xdpq_clean(struct funeth_txq *q, unsigned int budget)
return npkts;
}
bool fun_xdp_tx(struct funeth_txq *q, void *data, unsigned int len)
bool fun_xdp_tx(struct funeth_txq *q, struct xdp_frame *xdpf)
{
struct fun_eth_tx_req *req;
struct fun_dataop_gl *gle;
unsigned int idx;
unsigned int idx, len;
dma_addr_t dma;
if (fun_txq_avail(q) < FUN_XDP_CLEAN_THRES)
@ -515,7 +515,8 @@ bool fun_xdp_tx(struct funeth_txq *q, void *data, unsigned int len)
return false;
}
dma = dma_map_single(q->dma_dev, data, len, DMA_TO_DEVICE);
len = xdpf->len;
dma = dma_map_single(q->dma_dev, xdpf->data, len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(q->dma_dev, dma))) {
FUN_QSTAT_INC(q, tx_map_err);
return false;
@ -535,7 +536,7 @@ bool fun_xdp_tx(struct funeth_txq *q, void *data, unsigned int len)
gle = (struct fun_dataop_gl *)req->dataop.imm;
fun_dataop_gl_init(gle, 0, 0, len, dma);
q->info[idx].vaddr = data;
q->info[idx].xdpf = xdpf;
u64_stats_update_begin(&q->syncp);
q->stats.tx_bytes += len;
@ -566,12 +567,9 @@ int fun_xdp_xmit_frames(struct net_device *dev, int n,
if (unlikely(q_idx >= fp->num_xdpqs))
return -ENXIO;
for (q = xdpqs[q_idx], i = 0; i < n; i++) {
const struct xdp_frame *xdpf = frames[i];
if (!fun_xdp_tx(q, xdpf->data, xdpf->len))
for (q = xdpqs[q_idx], i = 0; i < n; i++)
if (!fun_xdp_tx(q, frames[i]))
break;
}
if (unlikely(flags & XDP_XMIT_FLUSH))
fun_txq_wr_db(q);
@ -598,7 +596,7 @@ static void fun_xdpq_purge(struct funeth_txq *q)
unsigned int idx = q->cons_cnt & q->mask;
fun_xdp_unmap(q, idx);
page_frag_free(q->info[idx].vaddr);
xdp_return_frame(q->info[idx].xdpf);
q->cons_cnt++;
}
}

6
drivers/net/ethernet/fungible/funeth/funeth_txrx.h
View File

@ -96,8 +96,8 @@ struct funeth_txq_stats { /* per Tx queue SW counters */
struct funeth_tx_info { /* per Tx descriptor state */
union {
struct sk_buff *skb; /* associated packet */
void *vaddr; /* start address for XDP */
struct sk_buff *skb; /* associated packet (sk_buff path) */
struct xdp_frame *xdpf; /* associated XDP frame (XDP path) */
};
};
@ -246,7 +246,7 @@ static inline int fun_irq_node(const struct fun_irq *p)
int fun_rxq_napi_poll(struct napi_struct *napi, int budget);
int fun_txq_napi_poll(struct napi_struct *napi, int budget);
netdev_tx_t fun_start_xmit(struct sk_buff *skb, struct net_device *netdev);
bool fun_xdp_tx(struct funeth_txq *q, void *data, unsigned int len);
bool fun_xdp_tx(struct funeth_txq *q, struct xdp_frame *xdpf);
int fun_xdp_xmit_frames(struct net_device *dev, int n,
struct xdp_frame **frames, u32 flags);

4
drivers/net/ethernet/intel/i40e/i40e_main.c
View File

@ -2033,11 +2033,15 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi,
* non-zero req_queue_pairs says that user requested a new
* queue count via ethtool's set_channels, so use this
* value for queues distribution across traffic classes
* We need at least one queue pair for the interface
* to be usable as we see in else statement.
*/
if (vsi->req_queue_pairs > 0)
vsi->num_queue_pairs = vsi->req_queue_pairs;
else if (pf->flags & I40E_FLAG_MSIX_ENABLED)
vsi->num_queue_pairs = pf->num_lan_msix;
else
vsi->num_queue_pairs = 1;
}
/* Number of queues per enabled TC */

3
drivers/net/ethernet/intel/ice/ice_ethtool.c
View File

@ -658,7 +658,8 @@ static int ice_lbtest_receive_frames(struct ice_rx_ring *rx_ring)
rx_desc = ICE_RX_DESC(rx_ring, i);
if (!(rx_desc->wb.status_error0 &
cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS)))
(cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) |
cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S)))))
continue;
rx_buf = &rx_ring->rx_buf[i];

4
drivers/net/ethernet/intel/ice/ice_main.c
View File

@ -4656,6 +4656,8 @@ ice_probe(struct pci_dev *pdev, const struct pci_device_id __always_unused *ent)
ice_set_safe_mode_caps(hw);
}
hw->ucast_shared = true;
err = ice_init_pf(pf);
if (err) {
dev_err(dev, "ice_init_pf failed: %d\n", err);
@ -6005,11 +6007,13 @@ int ice_vsi_cfg(struct ice_vsi *vsi)
if (vsi->netdev) {
ice_set_rx_mode(vsi->netdev);
if (vsi->type != ICE_VSI_LB) {
err = ice_vsi_vlan_setup(vsi);
if (err)
return err;
}
}
ice_vsi_cfg_dcb_rings(vsi);
err = ice_vsi_cfg_lan_txqs(vsi);

40
drivers/net/ethernet/intel/ice/ice_sriov.c
View File

@ -1309,39 +1309,6 @@ out_put_vf:
return ret;
}
/**
* ice_unicast_mac_exists - check if the unicast MAC exists on the PF's switch
* @pf: PF used to reference the switch's rules
* @umac: unicast MAC to compare against existing switch rules
*
* Return true on the first/any match, else return false
*/
static bool ice_unicast_mac_exists(struct ice_pf *pf, u8 *umac)
{
struct ice_sw_recipe *mac_recipe_list =
&pf->hw.switch_info->recp_list[ICE_SW_LKUP_MAC];
struct ice_fltr_mgmt_list_entry *list_itr;
struct list_head *rule_head;
struct mutex *rule_lock; /* protect MAC filter list access */
rule_head = &mac_recipe_list->filt_rules;
rule_lock = &mac_recipe_list->filt_rule_lock;
mutex_lock(rule_lock);
list_for_each_entry(list_itr, rule_head, list_entry) {
u8 *existing_mac = &list_itr->fltr_info.l_data.mac.mac_addr[0];
if (ether_addr_equal(existing_mac, umac)) {
mutex_unlock(rule_lock);
return true;
}
}
mutex_unlock(rule_lock);
return false;
}
/**
* ice_set_vf_mac
* @netdev: network interface device structure
@ -1376,13 +1343,6 @@ int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
if (ret)
goto out_put_vf;
if (ice_unicast_mac_exists(pf, mac)) {
netdev_err(netdev, "Unicast MAC %pM already exists on this PF. Preventing setting VF %u unicast MAC address to %pM\n",
mac, vf_id, mac);
ret = -EINVAL;
goto out_put_vf;
}
mutex_lock(&vf->cfg_lock);
/* VF is notified of its new MAC via the PF's response to the

8
drivers/net/ethernet/intel/ice/ice_txrx.c
View File

@ -1751,11 +1751,13 @@ int ice_tx_csum(struct ice_tx_buf *first, struct ice_tx_offload_params *off)
protocol = vlan_get_protocol(skb);
if (eth_p_mpls(protocol))
if (eth_p_mpls(protocol)) {
ip.hdr = skb_inner_network_header(skb);
else
ip.hdr = skb_network_header(skb);
l4.hdr = skb_checksum_start(skb);
} else {
ip.hdr = skb_network_header(skb);
l4.hdr = skb_transport_header(skb);
}
/* compute outer L2 header size */
l2_len = ip.hdr - skb->data;

3
drivers/net/ethernet/intel/ice/ice_virtchnl.c
View File

@ -2971,7 +2971,8 @@ ice_vc_validate_add_vlan_filter_list(struct ice_vsi *vsi,
struct virtchnl_vlan_filtering_caps *vfc,
struct virtchnl_vlan_filter_list_v2 *vfl)
{
u16 num_requested_filters = vsi->num_vlan + vfl->num_elements;
u16 num_requested_filters = ice_vsi_num_non_zero_vlans(vsi) +
vfl->num_elements;
if (num_requested_filters > vfc->max_filters)
return false;

82
drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
View File

@ -28,6 +28,9 @@
#define MAX_RATE_EXPONENT 0x0FULL
#define MAX_RATE_MANTISSA 0xFFULL
#define CN10K_MAX_BURST_MANTISSA 0x7FFFULL
#define CN10K_MAX_BURST_SIZE 8453888ULL
/* Bitfields in NIX_TLX_PIR register */
#define TLX_RATE_MANTISSA GENMASK_ULL(8, 1)
#define TLX_RATE_EXPONENT GENMASK_ULL(12, 9)
@ -35,6 +38,9 @@
#define TLX_BURST_MANTISSA GENMASK_ULL(36, 29)
#define TLX_BURST_EXPONENT GENMASK_ULL(40, 37)
#define CN10K_TLX_BURST_MANTISSA GENMASK_ULL(43, 29)
#define CN10K_TLX_BURST_EXPONENT GENMASK_ULL(47, 44)
struct otx2_tc_flow_stats {
u64 bytes;
u64 pkts;
@ -77,33 +83,42 @@ int otx2_tc_alloc_ent_bitmap(struct otx2_nic *nic)
}
EXPORT_SYMBOL(otx2_tc_alloc_ent_bitmap);
static void otx2_get_egress_burst_cfg(u32 burst, u32 *burst_exp,
u32 *burst_mantissa)
static void otx2_get_egress_burst_cfg(struct otx2_nic *nic, u32 burst,
u32 *burst_exp, u32 *burst_mantissa)
{
int max_burst, max_mantissa;
unsigned int tmp;
if (is_dev_otx2(nic->pdev)) {
max_burst = MAX_BURST_SIZE;
max_mantissa = MAX_BURST_MANTISSA;
} else {
max_burst = CN10K_MAX_BURST_SIZE;
max_mantissa = CN10K_MAX_BURST_MANTISSA;
}
/* Burst is calculated as
* ((256 + BURST_MANTISSA) << (1 + BURST_EXPONENT)) / 256
* Max supported burst size is 130,816 bytes.
*/
burst = min_t(u32, burst, MAX_BURST_SIZE);
burst = min_t(u32, burst, max_burst);
if (burst) {
*burst_exp = ilog2(burst) ? ilog2(burst) - 1 : 0;
tmp = burst - rounddown_pow_of_two(burst);
if (burst < MAX_BURST_MANTISSA)
if (burst < max_mantissa)
*burst_mantissa = tmp * 2;
else
*burst_mantissa = tmp / (1ULL << (*burst_exp - 7));
} else {
*burst_exp = MAX_BURST_EXPONENT;
*burst_mantissa = MAX_BURST_MANTISSA;
*burst_mantissa = max_mantissa;
}
}
static void otx2_get_egress_rate_cfg(u32 maxrate, u32 *exp,
static void otx2_get_egress_rate_cfg(u64 maxrate, u32 *exp,
u32 *mantissa, u32 *div_exp)
{
unsigned int tmp;
u64 tmp;
/* Rate calculation by hardware
*
@ -132,21 +147,44 @@ static void otx2_get_egress_rate_cfg(u32 maxrate, u32 *exp,
}
}
static int otx2_set_matchall_egress_rate(struct otx2_nic *nic, u32 burst, u32 maxrate)
static u64 otx2_get_txschq_rate_regval(struct otx2_nic *nic,
u64 maxrate, u32 burst)
{
u32 burst_exp, burst_mantissa;
u32 exp, mantissa, div_exp;
u64 regval = 0;
/* Get exponent and mantissa values from the desired rate */
otx2_get_egress_burst_cfg(nic, burst, &burst_exp, &burst_mantissa);
otx2_get_egress_rate_cfg(maxrate, &exp, &mantissa, &div_exp);
if (is_dev_otx2(nic->pdev)) {
regval = FIELD_PREP(TLX_BURST_EXPONENT, (u64)burst_exp) |
FIELD_PREP(TLX_BURST_MANTISSA, (u64)burst_mantissa) |
FIELD_PREP(TLX_RATE_DIVIDER_EXPONENT, div_exp) |
FIELD_PREP(TLX_RATE_EXPONENT, exp) |
FIELD_PREP(TLX_RATE_MANTISSA, mantissa) | BIT_ULL(0);
} else {
regval = FIELD_PREP(CN10K_TLX_BURST_EXPONENT, (u64)burst_exp) |
FIELD_PREP(CN10K_TLX_BURST_MANTISSA, (u64)burst_mantissa) |
FIELD_PREP(TLX_RATE_DIVIDER_EXPONENT, div_exp) |
FIELD_PREP(TLX_RATE_EXPONENT, exp) |
FIELD_PREP(TLX_RATE_MANTISSA, mantissa) | BIT_ULL(0);
}
return regval;
}
static int otx2_set_matchall_egress_rate(struct otx2_nic *nic,
u32 burst, u64 maxrate)
{
struct otx2_hw *hw = &nic->hw;
struct nix_txschq_config *req;
u32 burst_exp, burst_mantissa;
u32 exp, mantissa, div_exp;
int txschq, err;
/* All SQs share the same TL4, so pick the first scheduler */
txschq = hw->txschq_list[NIX_TXSCH_LVL_TL4][0];
/* Get exponent and mantissa values from the desired rate */
otx2_get_egress_burst_cfg(burst, &burst_exp, &burst_mantissa);
otx2_get_egress_rate_cfg(maxrate, &exp, &mantissa, &div_exp);
mutex_lock(&nic->mbox.lock);
req = otx2_mbox_alloc_msg_nix_txschq_cfg(&nic->mbox);
if (!req) {
@ -157,11 +195,7 @@ static int otx2_set_matchall_egress_rate(struct otx2_nic *nic, u32 burst, u32 ma
req->lvl = NIX_TXSCH_LVL_TL4;
req->num_regs = 1;
req->reg[0] = NIX_AF_TL4X_PIR(txschq);
req->regval[0] = FIELD_PREP(TLX_BURST_EXPONENT, burst_exp) |
FIELD_PREP(TLX_BURST_MANTISSA, burst_mantissa) |
FIELD_PREP(TLX_RATE_DIVIDER_EXPONENT, div_exp) |
FIELD_PREP(TLX_RATE_EXPONENT, exp) |
FIELD_PREP(TLX_RATE_MANTISSA, mantissa) | BIT_ULL(0);
req->regval[0] = otx2_get_txschq_rate_regval(nic, maxrate, burst);
err = otx2_sync_mbox_msg(&nic->mbox);
mutex_unlock(&nic->mbox.lock);
@ -230,7 +264,7 @@ static int otx2_tc_egress_matchall_install(struct otx2_nic *nic,
struct netlink_ext_ack *extack = cls->common.extack;
struct flow_action *actions = &cls->rule->action;
struct flow_action_entry *entry;
u32 rate;
u64 rate;
int err;
err = otx2_tc_validate_flow(nic, actions, extack);
@ -256,7 +290,7 @@ static int otx2_tc_egress_matchall_install(struct otx2_nic *nic,
}
/* Convert bytes per second to Mbps */
rate = entry->police.rate_bytes_ps * 8;
rate = max_t(u32, rate / 1000000, 1);
rate = max_t(u64, rate / 1000000, 1);
err = otx2_set_matchall_egress_rate(nic, entry->police.burst, rate);
if (err)
return err;
@ -614,15 +648,20 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node,
flow_spec->dport = match.key->dst;
flow_mask->dport = match.mask->dst;
if (flow_mask->dport) {
if (ip_proto == IPPROTO_UDP)
req->features |= BIT_ULL(NPC_DPORT_UDP);
else if (ip_proto == IPPROTO_TCP)
req->features |= BIT_ULL(NPC_DPORT_TCP);
else if (ip_proto == IPPROTO_SCTP)
req->features |= BIT_ULL(NPC_DPORT_SCTP);
}
flow_spec->sport = match.key->src;
flow_mask->sport = match.mask->src;
if (flow_mask->sport) {
if (ip_proto == IPPROTO_UDP)
req->features |= BIT_ULL(NPC_SPORT_UDP);
else if (ip_proto == IPPROTO_TCP)
@ -630,6 +669,7 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node,
else if (ip_proto == IPPROTO_SCTP)
req->features |= BIT_ULL(NPC_SPORT_SCTP);
}
}
return otx2_tc_parse_actions(nic, &rule->action, req, f, node);
}

2
drivers/net/ethernet/netronome/nfp/bpf/jit.c
View File

@ -4233,7 +4233,7 @@ static void nfp_bpf_opt_ldst_gather(struct nfp_prog *nfp_prog)
}
/* If the chain is ended by an load/store pair then this
* could serve as the new head of the the next chain.
* could serve as the new head of the next chain.
*/
if (curr_pair_is_memcpy(meta1, meta2)) {
head_ld_meta = meta1;

22
drivers/net/ethernet/sfc/ptp.c
View File

@ -1100,7 +1100,29 @@ static void efx_ptp_xmit_skb_queue(struct efx_nic *efx, struct sk_buff *skb)
tx_queue = efx_channel_get_tx_queue(ptp_data->channel, type);
if (tx_queue && tx_queue->timestamping) {
/* This code invokes normal driver TX code which is always
* protected from softirqs when called from generic TX code,
* which in turn disables preemption. Look at __dev_queue_xmit
* which uses rcu_read_lock_bh disabling preemption for RCU
* plus disabling softirqs. We do not need RCU reader
* protection here.
*
* Although it is theoretically safe for current PTP TX/RX code
* running without disabling softirqs, there are three good
* reasond for doing so:
*
* 1) The code invoked is mainly implemented for non-PTP
* packets and it is always executed with softirqs
* disabled.
* 2) This being a single PTP packet, better to not
* interrupt its processing by softirqs which can lead
* to high latencies.
* 3) netdev_xmit_more checks preemption is disabled and
* triggers a BUG_ON if not.
*/
local_bh_disable();
efx_enqueue_skb(tx_queue, skb);
local_bh_enable();
} else {
WARN_ONCE(1, "PTP channel has no timestamped tx queue\n");
dev_kfree_skb_any(skb);

9
drivers/net/ethernet/stmicro/stmmac/dwmac-mediatek.c
View File

@ -688,18 +688,19 @@ static int mediatek_dwmac_probe(struct platform_device *pdev)
ret = mediatek_dwmac_clks_config(priv_plat, true);
if (ret)
return ret;
goto err_remove_config_dt;
ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (ret) {
stmmac_remove_config_dt(pdev, plat_dat);
if (ret)
goto err_drv_probe;
}
return 0;
err_drv_probe:
mediatek_dwmac_clks_config(priv_plat, false);
err_remove_config_dt:
stmmac_remove_config_dt(pdev, plat_dat);
return ret;
}

2
drivers/net/ipa/ipa_qmi_msg.h
View File

@ -214,7 +214,7 @@ struct ipa_init_modem_driver_req {
/* The response to a IPA_QMI_INIT_DRIVER request begins with a standard
* QMI response, but contains other information as well. Currently we
* simply wait for the the INIT_DRIVER transaction to complete and
* simply wait for the INIT_DRIVER transaction to complete and
* ignore any other data that might be returned.
*/
struct ipa_init_modem_driver_rsp {

33
drivers/net/macsec.c
View File

@ -243,6 +243,7 @@ static struct macsec_cb *macsec_skb_cb(struct sk_buff *skb)
#define DEFAULT_SEND_SCI true
#define DEFAULT_ENCRYPT false
#define DEFAULT_ENCODING_SA 0
#define MACSEC_XPN_MAX_REPLAY_WINDOW (((1 << 30) - 1))
static bool send_sci(const struct macsec_secy *secy)
{
@ -1697,7 +1698,7 @@ static bool validate_add_rxsa(struct nlattr **attrs)
return false;
if (attrs[MACSEC_SA_ATTR_PN] &&
*(u64 *)nla_data(attrs[MACSEC_SA_ATTR_PN]) == 0)
nla_get_u64(attrs[MACSEC_SA_ATTR_PN]) == 0)
return false;
if (attrs[MACSEC_SA_ATTR_ACTIVE]) {
@ -1753,7 +1754,8 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info)
}
pn_len = secy->xpn ? MACSEC_XPN_PN_LEN : MACSEC_DEFAULT_PN_LEN;
if (nla_len(tb_sa[MACSEC_SA_ATTR_PN]) != pn_len) {
if (tb_sa[MACSEC_SA_ATTR_PN] &&
nla_len(tb_sa[MACSEC_SA_ATTR_PN]) != pn_len) {
pr_notice("macsec: nl: add_rxsa: bad pn length: %d != %d\n",
nla_len(tb_sa[MACSEC_SA_ATTR_PN]), pn_len);
rtnl_unlock();
@ -1769,7 +1771,7 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info)
if (nla_len(tb_sa[MACSEC_SA_ATTR_SALT]) != MACSEC_SALT_LEN) {
pr_notice("macsec: nl: add_rxsa: bad salt length: %d != %d\n",
nla_len(tb_sa[MACSEC_SA_ATTR_SALT]),
MACSEC_SA_ATTR_SALT);
MACSEC_SALT_LEN);
rtnl_unlock();
return -EINVAL;
}
@ -1842,7 +1844,7 @@ static int macsec_add_rxsa(struct sk_buff *skb, struct genl_info *info)
return 0;
cleanup:
kfree(rx_sa);
macsec_rxsa_put(rx_sa);
rtnl_unlock();
return err;
}
@ -1939,7 +1941,7 @@ static bool validate_add_txsa(struct nlattr **attrs)
if (nla_get_u8(attrs[MACSEC_SA_ATTR_AN]) >= MACSEC_NUM_AN)
return false;
if (nla_get_u32(attrs[MACSEC_SA_ATTR_PN]) == 0)
if (nla_get_u64(attrs[MACSEC_SA_ATTR_PN]) == 0)
return false;
if (attrs[MACSEC_SA_ATTR_ACTIVE]) {
@ -2011,7 +2013,7 @@ static int macsec_add_txsa(struct sk_buff *skb, struct genl_info *info)
if (nla_len(tb_sa[MACSEC_SA_ATTR_SALT]) != MACSEC_SALT_LEN) {
pr_notice("macsec: nl: add_txsa: bad salt length: %d != %d\n",
nla_len(tb_sa[MACSEC_SA_ATTR_SALT]),
MACSEC_SA_ATTR_SALT);
MACSEC_SALT_LEN);
rtnl_unlock();
return -EINVAL;
}
@ -2085,7 +2087,7 @@ static int macsec_add_txsa(struct sk_buff *skb, struct genl_info *info)
cleanup:
secy->operational = was_operational;
kfree(tx_sa);
macsec_txsa_put(tx_sa);
rtnl_unlock();
return err;
}
@ -2293,7 +2295,7 @@ static bool validate_upd_sa(struct nlattr **attrs)
if (nla_get_u8(attrs[MACSEC_SA_ATTR_AN]) >= MACSEC_NUM_AN)
return false;
if (attrs[MACSEC_SA_ATTR_PN] && nla_get_u32(attrs[MACSEC_SA_ATTR_PN]) == 0)
if (attrs[MACSEC_SA_ATTR_PN] && nla_get_u64(attrs[MACSEC_SA_ATTR_PN]) == 0)
return false;
if (attrs[MACSEC_SA_ATTR_ACTIVE]) {
@ -3745,9 +3747,6 @@ static int macsec_changelink_common(struct net_device *dev,
secy->operational = tx_sa && tx_sa->active;
}
if (data[IFLA_MACSEC_WINDOW])
secy->replay_window = nla_get_u32(data[IFLA_MACSEC_WINDOW]);
if (data[IFLA_MACSEC_ENCRYPT])
tx_sc->encrypt = !!nla_get_u8(data[IFLA_MACSEC_ENCRYPT]);
@ -3793,6 +3792,16 @@ static int macsec_changelink_common(struct net_device *dev,
}
}
if (data[IFLA_MACSEC_WINDOW]) {
secy->replay_window = nla_get_u32(data[IFLA_MACSEC_WINDOW]);
/* IEEE 802.1AEbw-2013 10.7.8 - maximum replay window
* for XPN cipher suites */
if (secy->xpn &&
secy->replay_window > MACSEC_XPN_MAX_REPLAY_WINDOW)
return -EINVAL;
}
return 0;
}
@ -3822,7 +3831,7 @@ static int macsec_changelink(struct net_device *dev, struct nlattr *tb[],
ret = macsec_changelink_common(dev, data);
if (ret)
return ret;
goto cleanup;
/* If h/w offloading is available, propagate to the device */
if (macsec_is_offloaded(macsec)) {

2
drivers/net/pcs/pcs-xpcs.c
View File

@ -986,7 +986,7 @@ static int xpcs_get_state_c37_sgmii(struct dw_xpcs *xpcs,
*/
ret = xpcs_read(xpcs, MDIO_MMD_VEND2, DW_VR_MII_AN_INTR_STS);
if (ret < 0)
return false;
return ret;
if (ret & DW_VR_MII_C37_ANSGM_SP_LNKSTS) {
int speed_value;

1
drivers/net/sungem_phy.c
View File

@ -450,6 +450,7 @@ static int bcm5421_init(struct mii_phy* phy)
int can_low_power = 1;
if (np == NULL || of_get_property(np, "no-autolowpower", NULL))
can_low_power = 0;
of_node_put(np);
if (can_low_power) {
/* Enable automatic low-power */
sungem_phy_write(phy, 0x1c, 0x9002);

35
drivers/net/virtio_net.c
View File

@ -242,9 +242,15 @@ struct virtnet_info {
/* Packet virtio header size */
u8 hdr_len;
/* Work struct for refilling if we run low on memory. */
/* Work struct for delayed refilling if we run low on memory. */
struct delayed_work refill;
/* Is delayed refill enabled? */
bool refill_enabled;
/* The lock to synchronize the access to refill_enabled */
spinlock_t refill_lock;
/* Work struct for config space updates */
struct work_struct config_work;
@ -348,6 +354,20 @@ static struct page *get_a_page(struct receive_queue *rq, gfp_t gfp_mask)
return p;
}
static void enable_delayed_refill(struct virtnet_info *vi)
{
spin_lock_bh(&vi->refill_lock);
vi->refill_enabled = true;
spin_unlock_bh(&vi->refill_lock);
}
static void disable_delayed_refill(struct virtnet_info *vi)
{
spin_lock_bh(&vi->refill_lock);
vi->refill_enabled = false;
spin_unlock_bh(&vi->refill_lock);
}
static void virtqueue_napi_schedule(struct napi_struct *napi,
struct virtqueue *vq)
{
@ -1527,8 +1547,12 @@ static int virtnet_receive(struct receive_queue *rq, int budget,
}
if (rq->vq->num_free > min((unsigned int)budget, virtqueue_get_vring_size(rq->vq)) / 2) {
if (!try_fill_recv(vi, rq, GFP_ATOMIC))
if (!try_fill_recv(vi, rq, GFP_ATOMIC)) {
spin_lock(&vi->refill_lock);
if (vi->refill_enabled)
schedule_delayed_work(&vi->refill, 0);
spin_unlock(&vi->refill_lock);
}
}
u64_stats_update_begin(&rq->stats.syncp);
@ -1651,6 +1675,8 @@ static int virtnet_open(struct net_device *dev)
struct virtnet_info *vi = netdev_priv(dev);
int i, err;
enable_delayed_refill(vi);
for (i = 0; i < vi->max_queue_pairs; i++) {
if (i < vi->curr_queue_pairs)
/* Make sure we have some buffers: if oom use wq. */
@ -2033,6 +2059,8 @@ static int virtnet_close(struct net_device *dev)
struct virtnet_info *vi = netdev_priv(dev);
int i;
/* Make sure NAPI doesn't schedule refill work */
disable_delayed_refill(vi);
/* Make sure refill_work doesn't re-enable napi! */
cancel_delayed_work_sync(&vi->refill);
@ -2792,6 +2820,8 @@ static int virtnet_restore_up(struct virtio_device *vdev)
virtio_device_ready(vdev);
enable_delayed_refill(vi);
if (netif_running(vi->dev)) {
err = virtnet_open(vi->dev);
if (err)
@ -3535,6 +3565,7 @@ static int virtnet_probe(struct virtio_device *vdev)
vdev->priv = vi;
INIT_WORK(&vi->config_work, virtnet_config_changed_work);
spin_lock_init(&vi->refill_lock);
/* If we can receive ANY GSO packets, we must allocate large ones. */
if (virtio_has_feature(vdev, VIRTIO_NET_F_GUEST_TSO4) ||

2
drivers/pinctrl/Kconfig
View File

@ -32,7 +32,7 @@ config DEBUG_PINCTRL
Say Y here to add some extra checks and diagnostics to PINCTRL calls.
config PINCTRL_AMD
tristate "AMD GPIO pin control"
bool "AMD GPIO pin control"
depends on HAS_IOMEM
depends on ACPI || COMPILE_TEST
select GPIOLIB

65
drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
View File

@ -102,7 +102,7 @@ struct armada_37xx_pinctrl {
struct device *dev;
struct gpio_chip gpio_chip;
struct irq_chip irq_chip;
spinlock_t irq_lock;
raw_spinlock_t irq_lock;
struct pinctrl_desc pctl;
struct pinctrl_dev *pctl_dev;
struct armada_37xx_pin_group *groups;
@ -523,9 +523,9 @@ static void armada_37xx_irq_ack(struct irq_data *d)
unsigned long flags;
armada_37xx_irq_update_reg(&reg, d);
spin_lock_irqsave(&info->irq_lock, flags);
raw_spin_lock_irqsave(&info->irq_lock, flags);
writel(d->mask, info->base + reg);
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
}
static void armada_37xx_irq_mask(struct irq_data *d)
@ -536,10 +536,10 @@ static void armada_37xx_irq_mask(struct irq_data *d)
unsigned long flags;
armada_37xx_irq_update_reg(&reg, d);
spin_lock_irqsave(&info->irq_lock, flags);
raw_spin_lock_irqsave(&info->irq_lock, flags);
val = readl(info->base + reg);
writel(val & ~d->mask, info->base + reg);
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
}
static void armada_37xx_irq_unmask(struct irq_data *d)
@ -550,10 +550,10 @@ static void armada_37xx_irq_unmask(struct irq_data *d)
unsigned long flags;
armada_37xx_irq_update_reg(&reg, d);
spin_lock_irqsave(&info->irq_lock, flags);
raw_spin_lock_irqsave(&info->irq_lock, flags);
val = readl(info->base + reg);
writel(val | d->mask, info->base + reg);
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
}
static int armada_37xx_irq_set_wake(struct irq_data *d, unsigned int on)
@ -564,14 +564,14 @@ static int armada_37xx_irq_set_wake(struct irq_data *d, unsigned int on)
unsigned long flags;
armada_37xx_irq_update_reg(&reg, d);
spin_lock_irqsave(&info->irq_lock, flags);
raw_spin_lock_irqsave(&info->irq_lock, flags);
val = readl(info->base + reg);
if (on)
val |= (BIT(d->hwirq % GPIO_PER_REG));
else
val &= ~(BIT(d->hwirq % GPIO_PER_REG));
writel(val, info->base + reg);
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
return 0;
}
@ -583,7 +583,7 @@ static int armada_37xx_irq_set_type(struct irq_data *d, unsigned int type)
u32 val, reg = IRQ_POL;
unsigned long flags;
spin_lock_irqsave(&info->irq_lock, flags);
raw_spin_lock_irqsave(&info->irq_lock, flags);
armada_37xx_irq_update_reg(&reg, d);
val = readl(info->base + reg);
switch (type) {
@ -607,11 +607,11 @@ static int armada_37xx_irq_set_type(struct irq_data *d, unsigned int type)
break;
}
default:
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
return -EINVAL;
}
writel(val, info->base + reg);
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
return 0;
}
@ -626,7 +626,7 @@ static int armada_37xx_edge_both_irq_swap_pol(struct armada_37xx_pinctrl *info,
regmap_read(info->regmap, INPUT_VAL + 4*reg_idx, &l);
spin_lock_irqsave(&info->irq_lock, flags);
raw_spin_lock_irqsave(&info->irq_lock, flags);
p = readl(info->base + IRQ_POL + 4 * reg_idx);
if ((p ^ l) & (1 << bit_num)) {
/*
@ -647,7 +647,7 @@ static int armada_37xx_edge_both_irq_swap_pol(struct armada_37xx_pinctrl *info,
ret = -1;
}
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
return ret;
}
@ -664,11 +664,11 @@ static void armada_37xx_irq_handler(struct irq_desc *desc)
u32 status;
unsigned long flags;
spin_lock_irqsave(&info->irq_lock, flags);
raw_spin_lock_irqsave(&info->irq_lock, flags);
status = readl_relaxed(info->base + IRQ_STATUS + 4 * i);
/* Manage only the interrupt that was enabled */
status &= readl_relaxed(info->base + IRQ_EN + 4 * i);
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
while (status) {
u32 hwirq = ffs(status) - 1;
u32 virq = irq_find_mapping(d, hwirq +
@ -695,12 +695,12 @@ static void armada_37xx_irq_handler(struct irq_desc *desc)
update_status:
/* Update status in case a new IRQ appears */
spin_lock_irqsave(&info->irq_lock, flags);
raw_spin_lock_irqsave(&info->irq_lock, flags);
status = readl_relaxed(info->base +
IRQ_STATUS + 4 * i);
/* Manage only the interrupt that was enabled */
status &= readl_relaxed(info->base + IRQ_EN + 4 * i);
spin_unlock_irqrestore(&info->irq_lock, flags);
raw_spin_unlock_irqrestore(&info->irq_lock, flags);
}
}
chained_irq_exit(chip, desc);
@ -731,7 +731,7 @@ static int armada_37xx_irqchip_register(struct platform_device *pdev,
struct device *dev = &pdev->dev;
unsigned int i, nr_irq_parent;
spin_lock_init(&info->irq_lock);
raw_spin_lock_init(&info->irq_lock);
nr_irq_parent = of_irq_count(np);
if (!nr_irq_parent) {
@ -1107,25 +1107,40 @@ static const struct of_device_id armada_37xx_pinctrl_of_match[] = {
{ },
};
static const struct regmap_config armada_37xx_pinctrl_regmap_config = {
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
.use_raw_spinlock = true,
};
static int __init armada_37xx_pinctrl_probe(struct platform_device *pdev)
{
struct armada_37xx_pinctrl *info;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct regmap *regmap;
void __iomem *base;
int ret;
base = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
if (IS_ERR(base)) {
dev_err(dev, "failed to ioremap base address: %pe\n", base);
return PTR_ERR(base);
}
regmap = devm_regmap_init_mmio(dev, base,
&armada_37xx_pinctrl_regmap_config);
if (IS_ERR(regmap)) {
dev_err(dev, "failed to create regmap: %pe\n", regmap);
return PTR_ERR(regmap);
}
info = devm_kzalloc(dev, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
info->dev = dev;
regmap = syscon_node_to_regmap(np);
if (IS_ERR(regmap))
return dev_err_probe(dev, PTR_ERR(regmap), "cannot get regmap\n");
info->regmap = regmap;
info->data = of_device_get_match_data(dev);
ret = armada_37xx_pinctrl_register(pdev, info);

126
drivers/pinctrl/pinctrl-ocelot.c
View File

@ -29,19 +29,12 @@
#define ocelot_clrsetbits(addr, clear, set) \
writel((readl(addr) & ~(clear)) | (set), (addr))
/* PINCONFIG bits (sparx5 only) */
enum {
PINCONF_BIAS,
PINCONF_SCHMITT,
PINCONF_DRIVE_STRENGTH,
};
#define BIAS_PD_BIT BIT(4)
#define BIAS_PU_BIT BIT(3)
#define BIAS_BITS (BIAS_PD_BIT|BIAS_PU_BIT)
#define SCHMITT_BIT BIT(2)
#define DRIVE_BITS GENMASK(1, 0)
/* GPIO standard registers */
#define OCELOT_GPIO_OUT_SET 0x0
#define OCELOT_GPIO_OUT_CLR 0x4
@ -321,6 +314,13 @@ struct ocelot_pin_caps {
unsigned char a_functions[OCELOT_FUNC_PER_PIN]; /* Additional functions */
};
struct ocelot_pincfg_data {
u8 pd_bit;
u8 pu_bit;
u8 drive_bits;
u8 schmitt_bit;
};
struct ocelot_pinctrl {
struct device *dev;
struct pinctrl_dev *pctl;
@ -328,10 +328,16 @@ struct ocelot_pinctrl {
struct regmap *map;
struct regmap *pincfg;
struct pinctrl_desc *desc;
const struct ocelot_pincfg_data *pincfg_data;
struct ocelot_pmx_func func[FUNC_MAX];
u8 stride;
};
struct ocelot_match_data {
struct pinctrl_desc desc;
struct ocelot_pincfg_data pincfg_data;
};
#define LUTON_P(p, f0, f1) \
static struct ocelot_pin_caps luton_pin_##p = { \
.pin = p, \
@ -1325,24 +1331,27 @@ static int ocelot_hw_get_value(struct ocelot_pinctrl *info,
int ret = -EOPNOTSUPP;
if (info->pincfg) {
const struct ocelot_pincfg_data *opd = info->pincfg_data;
u32 regcfg;
ret = regmap_read(info->pincfg, pin, &regcfg);
ret = regmap_read(info->pincfg,
pin * regmap_get_reg_stride(info->pincfg),
&regcfg);
if (ret)
return ret;
ret = 0;
switch (reg) {
case PINCONF_BIAS:
*val = regcfg & BIAS_BITS;
*val = regcfg & (opd->pd_bit | opd->pu_bit);
break;
case PINCONF_SCHMITT:
*val = regcfg & SCHMITT_BIT;
*val = regcfg & opd->schmitt_bit;
break;
case PINCONF_DRIVE_STRENGTH:
*val = regcfg & DRIVE_BITS;
*val = regcfg & opd->drive_bits;
break;
default:
@ -1359,14 +1368,18 @@ static int ocelot_pincfg_clrsetbits(struct ocelot_pinctrl *info, u32 regaddr,
u32 val;
int ret;
ret = regmap_read(info->pincfg, regaddr, &val);
ret = regmap_read(info->pincfg,
regaddr * regmap_get_reg_stride(info->pincfg),
&val);
if (ret)
return ret;
val &= ~clrbits;
val |= setbits;
ret = regmap_write(info->pincfg, regaddr, val);
ret = regmap_write(info->pincfg,
regaddr * regmap_get_reg_stride(info->pincfg),
val);
return ret;
}
@ -1379,23 +1392,27 @@ static int ocelot_hw_set_value(struct ocelot_pinctrl *info,
int ret = -EOPNOTSUPP;
if (info->pincfg) {
const struct ocelot_pincfg_data *opd = info->pincfg_data;
ret = 0;
switch (reg) {
case PINCONF_BIAS:
ret = ocelot_pincfg_clrsetbits(info, pin, BIAS_BITS,
ret = ocelot_pincfg_clrsetbits(info, pin,
opd->pd_bit | opd->pu_bit,
val);
break;
case PINCONF_SCHMITT:
ret = ocelot_pincfg_clrsetbits(info, pin, SCHMITT_BIT,
ret = ocelot_pincfg_clrsetbits(info, pin,
opd->schmitt_bit,
val);
break;
case PINCONF_DRIVE_STRENGTH:
if (val <= 3)
ret = ocelot_pincfg_clrsetbits(info, pin,
DRIVE_BITS, val);
opd->drive_bits,
val);
else
ret = -EINVAL;
break;
@ -1425,17 +1442,20 @@ static int ocelot_pinconf_get(struct pinctrl_dev *pctldev,
if (param == PIN_CONFIG_BIAS_DISABLE)
val = (val == 0);
else if (param == PIN_CONFIG_BIAS_PULL_DOWN)
val = (val & BIAS_PD_BIT ? true : false);
val = !!(val & info->pincfg_data->pd_bit);
else /* PIN_CONFIG_BIAS_PULL_UP */
val = (val & BIAS_PU_BIT ? true : false);
val = !!(val & info->pincfg_data->pu_bit);
break;
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
if (!info->pincfg_data->schmitt_bit)
return -EOPNOTSUPP;
err = ocelot_hw_get_value(info, pin, PINCONF_SCHMITT, &val);
if (err)
return err;
val = (val & SCHMITT_BIT ? true : false);
val = !!(val & info->pincfg_data->schmitt_bit);
break;
case PIN_CONFIG_DRIVE_STRENGTH:
@ -1479,6 +1499,7 @@ static int ocelot_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
unsigned long *configs, unsigned int num_configs)
{
struct ocelot_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
const struct ocelot_pincfg_data *opd = info->pincfg_data;
u32 param, arg, p;
int cfg, err = 0;
@ -1491,8 +1512,8 @@ static int ocelot_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
case PIN_CONFIG_BIAS_PULL_UP:
case PIN_CONFIG_BIAS_PULL_DOWN:
arg = (param == PIN_CONFIG_BIAS_DISABLE) ? 0 :
(param == PIN_CONFIG_BIAS_PULL_UP) ? BIAS_PU_BIT :
BIAS_PD_BIT;
(param == PIN_CONFIG_BIAS_PULL_UP) ?
opd->pu_bit : opd->pd_bit;
err = ocelot_hw_set_value(info, pin, PINCONF_BIAS, arg);
if (err)
@ -1501,7 +1522,10 @@ static int ocelot_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
break;
case PIN_CONFIG_INPUT_SCHMITT_ENABLE:
arg = arg ? SCHMITT_BIT : 0;
if (!opd->schmitt_bit)
return -EOPNOTSUPP;
arg = arg ? opd->schmitt_bit : 0;
err = ocelot_hw_set_value(info, pin, PINCONF_SCHMITT,
arg);
if (err)
@ -1562,52 +1586,63 @@ static const struct pinctrl_ops ocelot_pctl_ops = {
.dt_free_map = pinconf_generic_dt_free_map,
};
static struct pinctrl_desc luton_desc = {
static struct ocelot_match_data luton_desc = {
.desc = {
.name = "luton-pinctrl",
.pins = luton_pins,
.npins = ARRAY_SIZE(luton_pins),
.pctlops = &ocelot_pctl_ops,
.pmxops = &ocelot_pmx_ops,
.owner = THIS_MODULE,
},
};
static struct pinctrl_desc serval_desc = {
static struct ocelot_match_data serval_desc = {
.desc = {
.name = "serval-pinctrl",
.pins = serval_pins,
.npins = ARRAY_SIZE(serval_pins),
.pctlops = &ocelot_pctl_ops,
.pmxops = &ocelot_pmx_ops,
.owner = THIS_MODULE,
},
};
static struct pinctrl_desc ocelot_desc = {
static struct ocelot_match_data ocelot_desc = {
.desc = {
.name = "ocelot-pinctrl",
.pins = ocelot_pins,
.npins = ARRAY_SIZE(ocelot_pins),
.pctlops = &ocelot_pctl_ops,
.pmxops = &ocelot_pmx_ops,
.owner = THIS_MODULE,
},
};
static struct pinctrl_desc jaguar2_desc = {
static struct ocelot_match_data jaguar2_desc = {
.desc = {
.name = "jaguar2-pinctrl",
.pins = jaguar2_pins,
.npins = ARRAY_SIZE(jaguar2_pins),
.pctlops = &ocelot_pctl_ops,
.pmxops = &ocelot_pmx_ops,
.owner = THIS_MODULE,
},
};
static struct pinctrl_desc servalt_desc = {
static struct ocelot_match_data servalt_desc = {
.desc = {
.name = "servalt-pinctrl",
.pins = servalt_pins,
.npins = ARRAY_SIZE(servalt_pins),
.pctlops = &ocelot_pctl_ops,
.pmxops = &ocelot_pmx_ops,
.owner = THIS_MODULE,
},
};
static struct pinctrl_desc sparx5_desc = {
static struct ocelot_match_data sparx5_desc = {
.desc = {
.name = "sparx5-pinctrl",
.pins = sparx5_pins,
.npins = ARRAY_SIZE(sparx5_pins),
@ -1615,9 +1650,17 @@ static struct pinctrl_desc sparx5_desc = {
.pmxops = &ocelot_pmx_ops,
.confops = &ocelot_confops,
.owner = THIS_MODULE,
},
.pincfg_data = {
.pd_bit = BIT(4),
.pu_bit = BIT(3),
.drive_bits = GENMASK(1, 0),
.schmitt_bit = BIT(2),
},
};
static struct pinctrl_desc lan966x_desc = {
static struct ocelot_match_data lan966x_desc = {
.desc = {
.name = "lan966x-pinctrl",
.pins = lan966x_pins,
.npins = ARRAY_SIZE(lan966x_pins),
@ -1625,6 +1668,12 @@ static struct pinctrl_desc lan966x_desc = {
.pmxops = &lan966x_pmx_ops,
.confops = &ocelot_confops,
.owner = THIS_MODULE,
},
.pincfg_data = {
.pd_bit = BIT(3),
.pu_bit = BIT(2),
.drive_bits = GENMASK(1, 0),
},
};
static int ocelot_create_group_func_map(struct device *dev,
@ -1890,7 +1939,8 @@ static const struct of_device_id ocelot_pinctrl_of_match[] = {
{},
};
static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev)
static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev,
const struct ocelot_pinctrl *info)
{
void __iomem *base;
@ -1898,7 +1948,7 @@ static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev)
.reg_bits = 32,
.val_bits = 32,
.reg_stride = 4,
.max_register = 32,
.max_register = info->desc->npins * 4,
.name = "pincfg",
};
@ -1913,6 +1963,7 @@ static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev)
static int ocelot_pinctrl_probe(struct platform_device *pdev)
{
const struct ocelot_match_data *data;
struct device *dev = &pdev->dev;
struct ocelot_pinctrl *info;
struct reset_control *reset;
@ -1929,7 +1980,16 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev)
if (!info)
return -ENOMEM;
info->desc = (struct pinctrl_desc *)device_get_match_data(dev);
data = device_get_match_data(dev);
if (!data)
return -EINVAL;
info->desc = devm_kmemdup(dev, &data->desc, sizeof(*info->desc),
GFP_KERNEL);
if (!info->desc)
return -ENOMEM;
info->pincfg_data = &data->pincfg_data;
reset = devm_reset_control_get_optional_shared(dev, "switch");
if (IS_ERR(reset))
@ -1956,7 +2016,7 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev)
/* Pinconf registers */
if (info->desc->confops) {
pincfg = ocelot_pinctrl_create_pincfg(pdev);
pincfg = ocelot_pinctrl_create_pincfg(pdev, info);
if (IS_ERR(pincfg))
dev_dbg(dev, "Failed to create pincfg regmap\n");
else

2
drivers/pinctrl/ralink/pinctrl-ralink.c
View File

@ -266,6 +266,8 @@ static int ralink_pinctrl_pins(struct ralink_priv *p)
p->func[i]->pin_count,
sizeof(int),
GFP_KERNEL);
if (!p->func[i]->pins)
return -ENOMEM;
for (j = 0; j < p->func[i]->pin_count; j++)
p->func[i]->pins[j] = p->func[i]->pin_first + j;

3
drivers/pinctrl/sunplus/sppctl.c
View File

@ -871,6 +871,9 @@ static int sppctl_dt_node_to_map(struct pinctrl_dev *pctldev, struct device_node
}
*map = kcalloc(*num_maps + nmG, sizeof(**map), GFP_KERNEL);
if (*map == NULL)
return -ENOMEM;
for (i = 0; i < (*num_maps); i++) {
dt_pin = be32_to_cpu(list[i]);
pin_num = FIELD_GET(GENMASK(31, 24), dt_pin);

1
drivers/ptp/Kconfig
View File

@ -176,6 +176,7 @@ config PTP_1588_CLOCK_OCP
depends on !S390
depends on COMMON_CLK
select NET_DEVLINK
select CRC16
help
This driver adds support for an OpenCompute time card.

2
drivers/s390/net/qeth_core_main.c
View File

@ -3565,7 +3565,7 @@ static void qeth_flush_buffers(struct qeth_qdio_out_q *queue, int index,
if (!atomic_read(&queue->set_pci_flags_count)) {
/*
* there's no outstanding PCI any more, so we
* have to request a PCI to be sure the the PCI
* have to request a PCI to be sure the PCI
* will wake at some time in the future then we
* can flush packed buffers that might still be
* hanging around, which can happen if no

4
drivers/spi/spi-bcm2835.c
View File

@ -1138,10 +1138,14 @@ static void bcm2835_spi_handle_err(struct spi_controller *ctlr,
struct bcm2835_spi *bs = spi_controller_get_devdata(ctlr);
/* if an error occurred and we have an active dma, then terminate */
if (ctlr->dma_tx) {
dmaengine_terminate_sync(ctlr->dma_tx);
bs->tx_dma_active = false;
}
if (ctlr->dma_rx) {
dmaengine_terminate_sync(ctlr->dma_rx);
bs->rx_dma_active = false;
}
bcm2835_spi_undo_prologue(bs);
/* and reset */

2
drivers/spi/spi-cadence.c
View File

@ -69,7 +69,7 @@
#define CDNS_SPI_BAUD_DIV_SHIFT 3 /* Baud rate divisor shift in CR */
#define CDNS_SPI_SS_SHIFT 10 /* Slave Select field shift in CR */
#define CDNS_SPI_SS0 0x1 /* Slave Select zero */
#define CDNS_SPI_NOSS 0x3C /* No Slave select */
#define CDNS_SPI_NOSS 0xF /* No Slave select */
/*
* SPI Interrupt Registers bit Masks

4
drivers/spi/spi-rspi.c
View File

@ -613,6 +613,10 @@ static int rspi_dma_transfer(struct rspi_data *rspi, struct sg_table *tx,
rspi->dma_callbacked, HZ);
if (ret > 0 && rspi->dma_callbacked) {
ret = 0;
if (tx)
dmaengine_synchronize(rspi->ctlr->dma_tx);
if (rx)
dmaengine_synchronize(rspi->ctlr->dma_rx);
} else {
if (!ret) {
dev_err(&rspi->ctlr->dev, "DMA timeout\n");

9
drivers/virt/coco/sev-guest/sev-guest.c
View File

@ -632,16 +632,19 @@ static int __init sev_guest_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct snp_guest_dev *snp_dev;
struct miscdevice *misc;
void __iomem *mapping;
int ret;
if (!dev->platform_data)
return -ENODEV;
data = (struct sev_guest_platform_data *)dev->platform_data;
layout = (__force void *)ioremap_encrypted(data->secrets_gpa, PAGE_SIZE);
if (!layout)
mapping = ioremap_encrypted(data->secrets_gpa, PAGE_SIZE);
if (!mapping)
return -ENODEV;
layout = (__force void *)mapping;
ret = -ENOMEM;
snp_dev = devm_kzalloc(&pdev->dev, sizeof(struct snp_guest_dev), GFP_KERNEL);
if (!snp_dev)
@ -706,7 +709,7 @@ e_free_response:
e_free_request:
free_shared_pages(snp_dev->request, sizeof(struct snp_guest_msg));
e_unmap:
iounmap(layout);
iounmap(mapping);
return ret;
}

14
fs/io_uring.c
View File

@ -1737,6 +1737,14 @@ static void io_kbuf_recycle(struct io_kiocb *req, unsigned issue_flags)
(req->flags & REQ_F_PARTIAL_IO))
return;
/*
* READV uses fields in `struct io_rw` (len/addr) to stash the selected
* buffer data. However if that buffer is recycled the original request
* data stored in addr is lost. Therefore forbid recycling for now.
*/
if (req->opcode == IORING_OP_READV)
return;
/*
* We don't need to recycle for REQ_F_BUFFER_RING, we can just clear
* the flag and hence ensure that bl->head doesn't get incremented.
@ -12931,7 +12939,7 @@ static int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
{
struct io_uring_buf_ring *br;
struct io_uring_buf_reg reg;
struct io_buffer_list *bl;
struct io_buffer_list *bl, *free_bl = NULL;
struct page **pages;
int nr_pages;
@ -12963,7 +12971,7 @@ static int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
if (bl->buf_nr_pages || !list_empty(&bl->buf_list))
return -EEXIST;
} else {
bl = kzalloc(sizeof(*bl), GFP_KERNEL);
free_bl = bl = kzalloc(sizeof(*bl), GFP_KERNEL);
if (!bl)
return -ENOMEM;
}
@ -12972,7 +12980,7 @@ static int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg)
struct_size(br, bufs, reg.ring_entries),
&nr_pages);
if (IS_ERR(pages)) {
kfree(bl);
kfree(free_bl);
return PTR_ERR(pages);
}

8
fs/ntfs/attrib.c
View File

@ -592,8 +592,12 @@ static int ntfs_attr_find(const ATTR_TYPE type, const ntfschar *name,
a = (ATTR_RECORD*)((u8*)ctx->attr +
le32_to_cpu(ctx->attr->length));
for (;; a = (ATTR_RECORD*)((u8*)a + le32_to_cpu(a->length))) {
if ((u8*)a < (u8*)ctx->mrec || (u8*)a > (u8*)ctx->mrec +
le32_to_cpu(ctx->mrec->bytes_allocated))
u8 *mrec_end = (u8 *)ctx->mrec +
le32_to_cpu(ctx->mrec->bytes_allocated);
u8 *name_end = (u8 *)a + le16_to_cpu(a->name_offset) +
a->name_length * sizeof(ntfschar);
if ((u8*)a < (u8*)ctx->mrec || (u8*)a > mrec_end ||
name_end > mrec_end)
break;
ctx->attr = a;
if (unlikely(le32_to_cpu(a->type) > le32_to_cpu(type) ||

4
fs/ocfs2/ocfs2.h
View File

@ -277,7 +277,6 @@ enum ocfs2_mount_options
OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT = 1 << 15, /* Journal Async Commit */
OCFS2_MOUNT_ERRORS_CONT = 1 << 16, /* Return EIO to the calling process on error */
OCFS2_MOUNT_ERRORS_ROFS = 1 << 17, /* Change filesystem to read-only on error */
OCFS2_MOUNT_NOCLUSTER = 1 << 18, /* No cluster aware filesystem mount */
};
#define OCFS2_OSB_SOFT_RO 0x0001
@ -673,8 +672,7 @@ static inline int ocfs2_cluster_o2cb_global_heartbeat(struct ocfs2_super *osb)
static inline int ocfs2_mount_local(struct ocfs2_super *osb)
{
return ((osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT)
|| (osb->s_mount_opt & OCFS2_MOUNT_NOCLUSTER));
return (osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT);
}
static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb)

16
fs/ocfs2/slot_map.c
View File

@ -252,16 +252,14 @@ static int __ocfs2_find_empty_slot(struct ocfs2_slot_info *si,
int i, ret = -ENOSPC;
if ((preferred >= 0) && (preferred < si->si_num_slots)) {
if (!si->si_slots[preferred].sl_valid ||
!si->si_slots[preferred].sl_node_num) {
if (!si->si_slots[preferred].sl_valid) {
ret = preferred;
goto out;
}
}
for(i = 0; i < si->si_num_slots; i++) {
if (!si->si_slots[i].sl_valid ||
!si->si_slots[i].sl_node_num) {
if (!si->si_slots[i].sl_valid) {
ret = i;
break;
}
@ -456,10 +454,6 @@ int ocfs2_find_slot(struct ocfs2_super *osb)
spin_lock(&osb->osb_lock);
ocfs2_update_slot_info(si);
if (ocfs2_mount_local(osb))
/* use slot 0 directly in local mode */
slot = 0;
else {
/* search for ourselves first and take the slot if it already
* exists. Perhaps we need to mark this in a variable for our
* own journal recovery? Possibly not, though we certainly
@ -476,10 +470,8 @@ int ocfs2_find_slot(struct ocfs2_super *osb)
goto bail;
}
} else
printk(KERN_INFO "ocfs2: Slot %d on device (%s) was "
"already allocated to this node!\n",
slot, osb->dev_str);
}
printk(KERN_INFO "ocfs2: Slot %d on device (%s) was already "
"allocated to this node!\n", slot, osb->dev_str);
ocfs2_set_slot(si, slot, osb->node_num);
osb->slot_num = slot;

21
fs/ocfs2/super.c
View File

@ -172,7 +172,6 @@ enum {
Opt_dir_resv_level,
Opt_journal_async_commit,
Opt_err_cont,
Opt_nocluster,
Opt_err,
};
@ -206,7 +205,6 @@ static const match_table_t tokens = {
{Opt_dir_resv_level, "dir_resv_level=%u"},
{Opt_journal_async_commit, "journal_async_commit"},
{Opt_err_cont, "errors=continue"},
{Opt_nocluster, "nocluster"},
{Opt_err, NULL}
};
@ -618,13 +616,6 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
goto out;
}
tmp = OCFS2_MOUNT_NOCLUSTER;
if ((osb->s_mount_opt & tmp) != (parsed_options.mount_opt & tmp)) {
ret = -EINVAL;
mlog(ML_ERROR, "Cannot change nocluster option on remount\n");
goto out;
}
tmp = OCFS2_MOUNT_HB_LOCAL | OCFS2_MOUNT_HB_GLOBAL |
OCFS2_MOUNT_HB_NONE;
if ((osb->s_mount_opt & tmp) != (parsed_options.mount_opt & tmp)) {
@ -865,7 +856,6 @@ static int ocfs2_verify_userspace_stack(struct ocfs2_super *osb,
}
if (ocfs2_userspace_stack(osb) &&
!(osb->s_mount_opt & OCFS2_MOUNT_NOCLUSTER) &&
strncmp(osb->osb_cluster_stack, mopt->cluster_stack,
OCFS2_STACK_LABEL_LEN)) {
mlog(ML_ERROR,
@ -1137,11 +1127,6 @@ static int ocfs2_fill_super(struct super_block *sb, void *data, int silent)
osb->s_mount_opt & OCFS2_MOUNT_DATA_WRITEBACK ? "writeback" :
"ordered");
if ((osb->s_mount_opt & OCFS2_MOUNT_NOCLUSTER) &&
!(osb->s_feature_incompat & OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT))
printk(KERN_NOTICE "ocfs2: The shared device (%s) is mounted "
"without cluster aware mode.\n", osb->dev_str);
atomic_set(&osb->vol_state, VOLUME_MOUNTED);
wake_up(&osb->osb_mount_event);
@ -1452,9 +1437,6 @@ static int ocfs2_parse_options(struct super_block *sb,
case Opt_journal_async_commit:
mopt->mount_opt |= OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT;
break;
case Opt_nocluster:
mopt->mount_opt |= OCFS2_MOUNT_NOCLUSTER;
break;
default:
mlog(ML_ERROR,
"Unrecognized mount option \"%s\" "
@ -1566,9 +1548,6 @@ static int ocfs2_show_options(struct seq_file *s, struct dentry *root)
if (opts & OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT)
seq_printf(s, ",journal_async_commit");
if (opts & OCFS2_MOUNT_NOCLUSTER)
seq_printf(s, ",nocluster");
return 0;
}

3
fs/read_write.c
View File

@ -1263,6 +1263,9 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
count, fl);
file_end_write(out.file);
} else {
if (out.file->f_flags & O_NONBLOCK)
fl |= SPLICE_F_NONBLOCK;
retval = splice_file_to_pipe(in.file, opipe, &pos, count, fl);
}

12
fs/userfaultfd.c
View File

@ -192,17 +192,19 @@ static inline void msg_init(struct uffd_msg *msg)
}
static inline struct uffd_msg userfault_msg(unsigned long address,
unsigned long real_address,
unsigned int flags,
unsigned long reason,
unsigned int features)
{
struct uffd_msg msg;
msg_init(&msg);
msg.event = UFFD_EVENT_PAGEFAULT;
if (!(features & UFFD_FEATURE_EXACT_ADDRESS))
address &= PAGE_MASK;
msg.arg.pagefault.address = address;
msg.arg.pagefault.address = (features & UFFD_FEATURE_EXACT_ADDRESS) ?
real_address : address;
/*
* These flags indicate why the userfault occurred:
* - UFFD_PAGEFAULT_FLAG_WP indicates a write protect fault.
@ -488,8 +490,8 @@ vm_fault_t handle_userfault(struct vm_fault *vmf, unsigned long reason)
init_waitqueue_func_entry(&uwq.wq, userfaultfd_wake_function);
uwq.wq.private = current;
uwq.msg = userfault_msg(vmf->real_address, vmf->flags, reason,
ctx->features);
uwq.msg = userfault_msg(vmf->address, vmf->real_address, vmf->flags,
reason, ctx->features);
uwq.ctx = ctx;
uwq.waken = false;

2
include/asm-generic/io.h
View File

@ -1125,9 +1125,7 @@ static inline void memcpy_toio(volatile void __iomem *addr, const void *buffer,
}
#endif
#ifndef CONFIG_GENERIC_DEVMEM_IS_ALLOWED
extern int devmem_is_allowed(unsigned long pfn);
#endif
#endif /* __KERNEL__ */

Some files were not shown because too many files have changed in this diff Show More