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Merge remote-tracking branch 'torvalds/master' into perf/core 

To pick up fixes from perf/urgent to allow perf/core to be used for new
development.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2021-06-01 14:58:44 -03:00
parent 79e157b008 c2131f7e73
commit 0ab8009b3e
479 changed files with 6639 additions and 2537 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
Documentation/admin-guide/sysctl/kernel.rst
View File

@ -1458,11 +1458,22 @@ unprivileged_bpf_disabled
=========================
Writing 1 to this entry will disable unprivileged calls to ``bpf()``;
once disabled, calling ``bpf()`` without ``CAP_SYS_ADMIN`` will return
``-EPERM``.
once disabled, calling ``bpf()`` without ``CAP_SYS_ADMIN`` or ``CAP_BPF``
will return ``-EPERM``. Once set to 1, this can't be cleared from the
running kernel anymore.
Once set, this can't be cleared.
Writing 2 to this entry will also disable unprivileged calls to ``bpf()``,
however, an admin can still change this setting later on, if needed, by
writing 0 or 1 to this entry.
If ``BPF_UNPRIV_DEFAULT_OFF`` is enabled in the kernel config, then this
entry will default to 2 instead of 0.
= =============================================================
0 Unprivileged calls to ``bpf()`` are enabled
1 Unprivileged calls to ``bpf()`` are disabled without recovery
2 Unprivileged calls to ``bpf()`` are disabled
= =============================================================
watchdog
========

7
Documentation/devicetree/bindings/i2c/i2c-mpc.yaml
View File

@ -46,6 +46,13 @@ properties:
description: |
I2C bus timeout in microseconds
fsl,i2c-erratum-a004447:
$ref: /schemas/types.yaml#/definitions/flag
description: |
Indicates the presence of QorIQ erratum A-004447, which
says that the standard i2c recovery scheme mechanism does
not work and an alternate implementation is needed.
required:
- compatible
- reg

2
Documentation/devicetree/bindings/net/renesas,ether.yaml
View File

@ -10,7 +10,7 @@ allOf:
- $ref: ethernet-controller.yaml#
maintainers:
- Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
- Sergei Shtylyov <sergei.shtylyov@gmail.com>
properties:
compatible:

2
Documentation/driver-api/usb/usb.rst
View File

@ -123,6 +123,8 @@ are in ``drivers/usb/common/common.c``.
In addition, some functions useful for creating debugging output are
defined in ``drivers/usb/common/debug.c``.
.. _usb_header:
Host-Side Data Types and Macros
===============================

16
Documentation/userspace-api/seccomp_filter.rst
View File

@ -250,14 +250,14 @@ Users can read via ``ioctl(SECCOMP_IOCTL_NOTIF_RECV)`` (or ``poll()``) on a
seccomp notification fd to receive a ``struct seccomp_notif``, which contains
five members: the input length of the structure, a unique-per-filter ``id``,
the ``pid`` of the task which triggered this request (which may be 0 if the
task is in a pid ns not visible from the listener's pid namespace), a ``flags``
member which for now only has ``SECCOMP_NOTIF_FLAG_SIGNALED``, representing
whether or not the notification is a result of a non-fatal signal, and the
``data`` passed to seccomp. Userspace can then make a decision based on this
information about what to do, and ``ioctl(SECCOMP_IOCTL_NOTIF_SEND)`` a
response, indicating what should be returned to userspace. The ``id`` member of
``struct seccomp_notif_resp`` should be the same ``id`` as in ``struct
seccomp_notif``.
task is in a pid ns not visible from the listener's pid namespace). The
notification also contains the ``data`` passed to seccomp, and a filters flag.
The structure should be zeroed out prior to calling the ioctl.
Userspace can then make a decision based on this information about what to do,
and ``ioctl(SECCOMP_IOCTL_NOTIF_SEND)`` a response, indicating what should be
returned to userspace. The ``id`` member of ``struct seccomp_notif_resp`` should
be the same ``id`` as in ``struct seccomp_notif``.
It is worth noting that ``struct seccomp_data`` contains the values of register
arguments to the syscall, but does not contain pointers to memory. The task's

8
Documentation/virt/kvm/vcpu-requests.rst
View File

@ -118,10 +118,12 @@ KVM_REQ_MMU_RELOAD
necessary to inform each VCPU to completely refresh the tables. This
request is used for that.
KVM_REQ_PENDING_TIMER
KVM_REQ_UNBLOCK
This request may be made from a timer handler run on the host on behalf
of a VCPU. It informs the VCPU thread to inject a timer interrupt.
This request informs the vCPU to exit kvm_vcpu_block. It is used for
example from timer handlers that run on the host on behalf of a vCPU,
or in order to update the interrupt routing and ensure that assigned
devices will wake up the vCPU.
KVM_REQ_UNHALT

27
MAINTAINERS
View File

@ -4138,6 +4138,14 @@ S: Odd Fixes
F: Documentation/devicetree/bindings/arm/cavium-thunder2.txt
F: arch/arm64/boot/dts/cavium/thunder2-99xx*
CBS/ETF/TAPRIO QDISCS
M: Vinicius Costa Gomes <vinicius.gomes@intel.com>
S: Maintained
L: netdev@vger.kernel.org
F: net/sched/sch_cbs.c
F: net/sched/sch_etf.c
F: net/sched/sch_taprio.c
CC2520 IEEE-802.15.4 RADIO DRIVER
M: Varka Bhadram <varkabhadram@gmail.com>
L: linux-wpan@vger.kernel.org
@ -5569,7 +5577,6 @@ F: drivers/soc/fsl/dpio
DPAA2 ETHERNET DRIVER
M: Ioana Ciornei <ioana.ciornei@nxp.com>
M: Ioana Radulescu <ruxandra.radulescu@nxp.com>
L: netdev@vger.kernel.org
S: Maintained
F: Documentation/networking/device_drivers/ethernet/freescale/dpaa2/ethernet-driver.rst
@ -6938,6 +6945,7 @@ F: net/core/failover.c
FANOTIFY
M: Jan Kara <jack@suse.cz>
R: Amir Goldstein <amir73il@gmail.com>
R: Matthew Bobrowski <repnop@google.com>
L: linux-fsdevel@vger.kernel.org
S: Maintained
F: fs/notify/fanotify/
@ -12681,9 +12689,9 @@ F: drivers/rtc/rtc-ntxec.c
F: include/linux/mfd/ntxec.h
NETRONOME ETHERNET DRIVERS
M: Simon Horman <simon.horman@netronome.com>
M: Simon Horman <simon.horman@corigine.com>
R: Jakub Kicinski <kuba@kernel.org>
L: oss-drivers@netronome.com
L: oss-drivers@corigine.com
S: Maintained
F: drivers/net/ethernet/netronome/
@ -12710,7 +12718,6 @@ M: "David S. Miller" <davem@davemloft.net>
M: Jakub Kicinski <kuba@kernel.org>
L: netdev@vger.kernel.org
S: Maintained
W: http://www.linuxfoundation.org/en/Net
Q: https://patchwork.kernel.org/project/netdevbpf/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
@ -12755,7 +12762,6 @@ M: "David S. Miller" <davem@davemloft.net>
M: Jakub Kicinski <kuba@kernel.org>
L: netdev@vger.kernel.org
S: Maintained
W: http://www.linuxfoundation.org/en/Net
Q: https://patchwork.kernel.org/project/netdevbpf/list/
B: mailto:netdev@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
@ -12897,8 +12903,10 @@ F: include/uapi/linux/nexthop.h
F: net/ipv4/nexthop.c
NFC SUBSYSTEM
M: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
L: linux-nfc@lists.01.org (moderated for non-subscribers)
L: netdev@vger.kernel.org
S: Orphan
S: Maintained
F: Documentation/devicetree/bindings/net/nfc/
F: drivers/nfc/
F: include/linux/platform_data/nfcmrvl.h
@ -13206,7 +13214,6 @@ F: Documentation/devicetree/bindings/sound/tfa9879.txt
F: sound/soc/codecs/tfa9879*
NXP-NCI NFC DRIVER
M: Clément Perrochaud <clement.perrochaud@effinnov.com>
R: Charles Gorand <charles.gorand@effinnov.com>
L: linux-nfc@lists.01.org (moderated for non-subscribers)
S: Supported
@ -14318,10 +14325,12 @@ PER-CPU MEMORY ALLOCATOR
M: Dennis Zhou <dennis@kernel.org>
M: Tejun Heo <tj@kernel.org>
M: Christoph Lameter <cl@linux.com>
L: linux-mm@kvack.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/dennis/percpu.git
F: arch/*/include/asm/percpu.h
F: include/linux/percpu*.h
F: lib/percpu*.c
F: mm/percpu*.c
PER-TASK DELAY ACCOUNTING
@ -15945,6 +15954,7 @@ S390 IUCV NETWORK LAYER
M: Julian Wiedmann <jwi@linux.ibm.com>
M: Karsten Graul <kgraul@linux.ibm.com>
L: linux-s390@vger.kernel.org
L: netdev@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/net/*iucv*
@ -15955,6 +15965,7 @@ S390 NETWORK DRIVERS
M: Julian Wiedmann <jwi@linux.ibm.com>
M: Karsten Graul <kgraul@linux.ibm.com>
L: linux-s390@vger.kernel.org
L: netdev@vger.kernel.org
S: Supported
W: http://www.ibm.com/developerworks/linux/linux390/
F: drivers/s390/net/
@ -17668,7 +17679,6 @@ R: Mika Westerberg <mika.westerberg@linux.intel.com>
L: linux-i2c@vger.kernel.org
S: Maintained
F: drivers/i2c/busses/i2c-designware-*
F: include/linux/platform_data/i2c-designware.h
SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER
M: Jaehoon Chung <jh80.chung@samsung.com>
@ -20004,6 +20014,7 @@ F: arch/x86/xen/*swiotlb*
F: drivers/xen/*swiotlb*
XFS FILESYSTEM
C: irc://irc.oftc.net/xfs
M: Darrick J. Wong <djwong@kernel.org>
M: linux-xfs@vger.kernel.org
L: linux-xfs@vger.kernel.org

7
Makefile
View File

@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 13
SUBLEVEL = 0
EXTRAVERSION = -rc3
EXTRAVERSION = -rc4
NAME = Frozen Wasteland
# *DOCUMENTATION*
@ -928,6 +928,11 @@ CC_FLAGS_LTO += -fvisibility=hidden
# Limit inlining across translation units to reduce binary size
KBUILD_LDFLAGS += -mllvm -import-instr-limit=5
# Check for frame size exceeding threshold during prolog/epilog insertion.
ifneq ($(CONFIG_FRAME_WARN),0)
KBUILD_LDFLAGS += -plugin-opt=-warn-stack-size=$(CONFIG_FRAME_WARN)
endif
endif
ifdef CONFIG_LTO

3
arch/arm64/Kbuild
View File

@ -1,6 +1,5 @@
# SPDX-License-Identifier: GPL-2.0-only
obj-y += kernel/ mm/
obj-$(CONFIG_NET) += net/
obj-y += kernel/ mm/ net/
obj-$(CONFIG_KVM) += kvm/
obj-$(CONFIG_XEN) += xen/
obj-$(CONFIG_CRYPTO) += crypto/

2
arch/arm64/include/asm/barrier.h
View File

@ -74,7 +74,7 @@ static inline unsigned long array_index_mask_nospec(unsigned long idx,
* This insanity brought to you by speculative system register reads,
* out-of-order memory accesses, sequence locks and Thomas Gleixner.
*
* http://lists.infradead.org/pipermail/linux-arm-kernel/2019-February/631195.html
* https://lore.kernel.org/r/alpine.DEB.2.21.1902081950260.1662@nanos.tec.linutronix.de/
*/
#define arch_counter_enforce_ordering(val) do { \
u64 tmp, _val = (val); \

3
arch/arm64/include/asm/kvm_asm.h
View File

@ -63,6 +63,7 @@
#define __KVM_HOST_SMCCC_FUNC___pkvm_cpu_set_vector 18
#define __KVM_HOST_SMCCC_FUNC___pkvm_prot_finalize 19
#define __KVM_HOST_SMCCC_FUNC___pkvm_mark_hyp 20
#define __KVM_HOST_SMCCC_FUNC___kvm_adjust_pc 21
#ifndef __ASSEMBLY__
@ -201,6 +202,8 @@ extern void __kvm_timer_set_cntvoff(u64 cntvoff);
extern int __kvm_vcpu_run(struct kvm_vcpu *vcpu);
extern void __kvm_adjust_pc(struct kvm_vcpu *vcpu);
extern u64 __vgic_v3_get_gic_config(void);
extern u64 __vgic_v3_read_vmcr(void);
extern void __vgic_v3_write_vmcr(u32 vmcr);

5
arch/arm64/include/asm/kvm_emulate.h
View File

@ -463,4 +463,9 @@ static __always_inline void kvm_incr_pc(struct kvm_vcpu *vcpu)
vcpu->arch.flags |= KVM_ARM64_INCREMENT_PC;
}
static inline bool vcpu_has_feature(struct kvm_vcpu *vcpu, int feature)
{
return test_bit(feature, vcpu->arch.features);
}
#endif /* __ARM64_KVM_EMULATE_H__ */

20
arch/arm64/kvm/arm.c
View File

@ -720,11 +720,13 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
return ret;
}
if (run->immediate_exit)
return -EINTR;
vcpu_load(vcpu);
if (run->immediate_exit) {
ret = -EINTR;
goto out;
}
kvm_sigset_activate(vcpu);
ret = 1;
@ -897,6 +899,18 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
kvm_sigset_deactivate(vcpu);
out:
/*
* In the unlikely event that we are returning to userspace
* with pending exceptions or PC adjustment, commit these
* adjustments in order to give userspace a consistent view of
* the vcpu state. Note that this relies on __kvm_adjust_pc()
* being preempt-safe on VHE.
*/
if (unlikely(vcpu->arch.flags & (KVM_ARM64_PENDING_EXCEPTION |
KVM_ARM64_INCREMENT_PC)))
kvm_call_hyp(__kvm_adjust_pc, vcpu);
vcpu_put(vcpu);
return ret;
}

18
arch/arm64/kvm/hyp/exception.c
View File

@ -296,7 +296,7 @@ static void enter_exception32(struct kvm_vcpu *vcpu, u32 mode, u32 vect_offset)
*vcpu_pc(vcpu) = vect_offset;
}
void kvm_inject_exception(struct kvm_vcpu *vcpu)
static void kvm_inject_exception(struct kvm_vcpu *vcpu)
{
if (vcpu_el1_is_32bit(vcpu)) {
switch (vcpu->arch.flags & KVM_ARM64_EXCEPT_MASK) {
@ -329,3 +329,19 @@ void kvm_inject_exception(struct kvm_vcpu *vcpu)
}
}
}
/*
* Adjust the guest PC (and potentially exception state) depending on
* flags provided by the emulation code.
*/
void __kvm_adjust_pc(struct kvm_vcpu *vcpu)
{
if (vcpu->arch.flags & KVM_ARM64_PENDING_EXCEPTION) {
kvm_inject_exception(vcpu);
vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
KVM_ARM64_EXCEPT_MASK);
} else if (vcpu->arch.flags & KVM_ARM64_INCREMENT_PC) {
kvm_skip_instr(vcpu);
vcpu->arch.flags &= ~KVM_ARM64_INCREMENT_PC;
}
}

18
arch/arm64/kvm/hyp/include/hyp/adjust_pc.h
View File

@ -13,8 +13,6 @@
#include <asm/kvm_emulate.h>
#include <asm/kvm_host.h>
void kvm_inject_exception(struct kvm_vcpu *vcpu);
static inline void kvm_skip_instr(struct kvm_vcpu *vcpu)
{
if (vcpu_mode_is_32bit(vcpu)) {
@ -43,22 +41,6 @@ static inline void __kvm_skip_instr(struct kvm_vcpu *vcpu)
write_sysreg_el2(*vcpu_pc(vcpu), SYS_ELR);
}
/*
* Adjust the guest PC on entry, depending on flags provided by EL1
* for the purpose of emulation (MMIO, sysreg) or exception injection.
*/
static inline void __adjust_pc(struct kvm_vcpu *vcpu)
{
if (vcpu->arch.flags & KVM_ARM64_PENDING_EXCEPTION) {
kvm_inject_exception(vcpu);
vcpu->arch.flags &= ~(KVM_ARM64_PENDING_EXCEPTION |
KVM_ARM64_EXCEPT_MASK);
} else if (vcpu->arch.flags & KVM_ARM64_INCREMENT_PC) {
kvm_skip_instr(vcpu);
vcpu->arch.flags &= ~KVM_ARM64_INCREMENT_PC;
}
}
/*
* Skip an instruction while host sysregs are live.
* Assumes host is always 64-bit.

8
arch/arm64/kvm/hyp/nvhe/hyp-main.c
View File

@ -28,6 +28,13 @@ static void handle___kvm_vcpu_run(struct kvm_cpu_context *host_ctxt)
cpu_reg(host_ctxt, 1) = __kvm_vcpu_run(kern_hyp_va(vcpu));
}
static void handle___kvm_adjust_pc(struct kvm_cpu_context *host_ctxt)
{
DECLARE_REG(struct kvm_vcpu *, vcpu, host_ctxt, 1);
__kvm_adjust_pc(kern_hyp_va(vcpu));
}
static void handle___kvm_flush_vm_context(struct kvm_cpu_context *host_ctxt)
{
__kvm_flush_vm_context();
@ -170,6 +177,7 @@ typedef void (*hcall_t)(struct kvm_cpu_context *);
static const hcall_t host_hcall[] = {
HANDLE_FUNC(__kvm_vcpu_run),
HANDLE_FUNC(__kvm_adjust_pc),
HANDLE_FUNC(__kvm_flush_vm_context),
HANDLE_FUNC(__kvm_tlb_flush_vmid_ipa),
HANDLE_FUNC(__kvm_tlb_flush_vmid),

4
arch/arm64/kvm/hyp/nvhe/mem_protect.c
View File

@ -23,8 +23,8 @@
extern unsigned long hyp_nr_cpus;
struct host_kvm host_kvm;
struct hyp_pool host_s2_mem;
struct hyp_pool host_s2_dev;
static struct hyp_pool host_s2_mem;
static struct hyp_pool host_s2_dev;
/*
* Copies of the host's CPU features registers holding sanitized values.

2
arch/arm64/kvm/hyp/nvhe/setup.c
View File

@ -17,7 +17,6 @@
#include <nvhe/trap_handler.h>
struct hyp_pool hpool;
struct kvm_pgtable_mm_ops pkvm_pgtable_mm_ops;
unsigned long hyp_nr_cpus;
#define hyp_percpu_size ((unsigned long)__per_cpu_end - \
@ -27,6 +26,7 @@ static void *vmemmap_base;
static void *hyp_pgt_base;
static void *host_s2_mem_pgt_base;
static void *host_s2_dev_pgt_base;
static struct kvm_pgtable_mm_ops pkvm_pgtable_mm_ops;
static int divide_memory_pool(void *virt, unsigned long size)
{

3
arch/arm64/kvm/hyp/nvhe/switch.c
View File

@ -4,7 +4,6 @@
* Author: Marc Zyngier <marc.zyngier@arm.com>
*/
#include <hyp/adjust_pc.h>
#include <hyp/switch.h>
#include <hyp/sysreg-sr.h>
@ -201,7 +200,7 @@ int __kvm_vcpu_run(struct kvm_vcpu *vcpu)
*/
__debug_save_host_buffers_nvhe(vcpu);
__adjust_pc(vcpu);
__kvm_adjust_pc(vcpu);
/*
* We must restore the 32-bit state before the sysregs, thanks

3
arch/arm64/kvm/hyp/vhe/switch.c
View File

@ -4,7 +4,6 @@
* Author: Marc Zyngier <marc.zyngier@arm.com>
*/
#include <hyp/adjust_pc.h>
#include <hyp/switch.h>
#include <linux/arm-smccc.h>
@ -132,7 +131,7 @@ static int __kvm_vcpu_run_vhe(struct kvm_vcpu *vcpu)
__load_guest_stage2(vcpu->arch.hw_mmu);
__activate_traps(vcpu);
__adjust_pc(vcpu);
__kvm_adjust_pc(vcpu);
sysreg_restore_guest_state_vhe(guest_ctxt);
__debug_switch_to_guest(vcpu);

12
arch/arm64/kvm/mmu.c
View File

@ -1156,13 +1156,13 @@ out_unlock:
bool kvm_unmap_gfn_range(struct kvm *kvm, struct kvm_gfn_range *range)
{
if (!kvm->arch.mmu.pgt)
return 0;
return false;
__unmap_stage2_range(&kvm->arch.mmu, range->start << PAGE_SHIFT,
(range->end - range->start) << PAGE_SHIFT,
range->may_block);
return 0;
return false;
}
bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
@ -1170,7 +1170,7 @@ bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
kvm_pfn_t pfn = pte_pfn(range->pte);
if (!kvm->arch.mmu.pgt)
return 0;
return false;
WARN_ON(range->end - range->start != 1);
@ -1190,7 +1190,7 @@ bool kvm_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
PAGE_SIZE, __pfn_to_phys(pfn),
KVM_PGTABLE_PROT_R, NULL);
return 0;
return false;
}
bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
@ -1200,7 +1200,7 @@ bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
pte_t pte;
if (!kvm->arch.mmu.pgt)
return 0;
return false;
WARN_ON(size != PAGE_SIZE && size != PMD_SIZE && size != PUD_SIZE);
@ -1213,7 +1213,7 @@ bool kvm_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
bool kvm_test_age_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
{
if (!kvm->arch.mmu.pgt)
return 0;
return false;
return kvm_pgtable_stage2_is_young(kvm->arch.mmu.pgt,
range->start << PAGE_SHIFT);

28
arch/arm64/kvm/reset.c
View File

@ -166,6 +166,25 @@ static int kvm_vcpu_enable_ptrauth(struct kvm_vcpu *vcpu)
return 0;
}
static bool vcpu_allowed_register_width(struct kvm_vcpu *vcpu)
{
struct kvm_vcpu *tmp;
bool is32bit;
int i;
is32bit = vcpu_has_feature(vcpu, KVM_ARM_VCPU_EL1_32BIT);
if (!cpus_have_const_cap(ARM64_HAS_32BIT_EL1) && is32bit)
return false;
/* Check that the vcpus are either all 32bit or all 64bit */
kvm_for_each_vcpu(i, tmp, vcpu->kvm) {
if (vcpu_has_feature(tmp, KVM_ARM_VCPU_EL1_32BIT) != is32bit)
return false;
}
return true;
}
/**
* kvm_reset_vcpu - sets core registers and sys_regs to reset value
* @vcpu: The VCPU pointer
@ -217,13 +236,14 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
}
}
if (!vcpu_allowed_register_width(vcpu)) {
ret = -EINVAL;
goto out;
}
switch (vcpu->arch.target) {
default:
if (test_bit(KVM_ARM_VCPU_EL1_32BIT, vcpu->arch.features)) {
if (!cpus_have_const_cap(ARM64_HAS_32BIT_EL1)) {
ret = -EINVAL;
goto out;
}
pstate = VCPU_RESET_PSTATE_SVC;
} else {
pstate = VCPU_RESET_PSTATE_EL1;

42
arch/arm64/kvm/sys_regs.c
View File

@ -399,14 +399,14 @@ static bool trap_bvr(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
if (p->is_write)
reg_to_dbg(vcpu, p, rd, dbg_reg);
else
dbg_to_reg(vcpu, p, rd, dbg_reg);
trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
return true;
}
@ -414,7 +414,7 @@ static bool trap_bvr(struct kvm_vcpu *vcpu,
static int set_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
const struct kvm_one_reg *reg, void __user *uaddr)
{
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
return -EFAULT;
@ -424,7 +424,7 @@ static int set_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
static int get_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
const struct kvm_one_reg *reg, void __user *uaddr)
{
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg];
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm];
if (copy_to_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
return -EFAULT;
@ -434,21 +434,21 @@ static int get_bvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
static void reset_bvr(struct kvm_vcpu *vcpu,
const struct sys_reg_desc *rd)
{
vcpu->arch.vcpu_debug_state.dbg_bvr[rd->reg] = rd->val;
vcpu->arch.vcpu_debug_state.dbg_bvr[rd->CRm] = rd->val;
}
static bool trap_bcr(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg];
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
if (p->is_write)
reg_to_dbg(vcpu, p, rd, dbg_reg);
else
dbg_to_reg(vcpu, p, rd, dbg_reg);
trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
return true;
}
@ -456,7 +456,7 @@ static bool trap_bcr(struct kvm_vcpu *vcpu,
static int set_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
const struct kvm_one_reg *reg, void __user *uaddr)
{
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg];
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
return -EFAULT;
@ -467,7 +467,7 @@ static int set_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
static int get_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
const struct kvm_one_reg *reg, void __user *uaddr)
{
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg];
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm];
if (copy_to_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
return -EFAULT;
@ -477,22 +477,22 @@ static int get_bcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
static void reset_bcr(struct kvm_vcpu *vcpu,
const struct sys_reg_desc *rd)
{
vcpu->arch.vcpu_debug_state.dbg_bcr[rd->reg] = rd->val;
vcpu->arch.vcpu_debug_state.dbg_bcr[rd->CRm] = rd->val;
}
static bool trap_wvr(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg];
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
if (p->is_write)
reg_to_dbg(vcpu, p, rd, dbg_reg);
else
dbg_to_reg(vcpu, p, rd, dbg_reg);
trace_trap_reg(__func__, rd->reg, p->is_write,
vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg]);
trace_trap_reg(__func__, rd->CRm, p->is_write,
vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm]);
return true;
}
@ -500,7 +500,7 @@ static bool trap_wvr(struct kvm_vcpu *vcpu,
static int set_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
const struct kvm_one_reg *reg, void __user *uaddr)
{
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg];
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
return -EFAULT;
@ -510,7 +510,7 @@ static int set_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
static int get_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
const struct kvm_one_reg *reg, void __user *uaddr)
{
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg];
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm];
if (copy_to_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
return -EFAULT;
@ -520,21 +520,21 @@ static int get_wvr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
static void reset_wvr(struct kvm_vcpu *vcpu,
const struct sys_reg_desc *rd)
{
vcpu->arch.vcpu_debug_state.dbg_wvr[rd->reg] = rd->val;
vcpu->arch.vcpu_debug_state.dbg_wvr[rd->CRm] = rd->val;
}
static bool trap_wcr(struct kvm_vcpu *vcpu,
struct sys_reg_params *p,
const struct sys_reg_desc *rd)
{
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg];
u64 *dbg_reg = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
if (p->is_write)
reg_to_dbg(vcpu, p, rd, dbg_reg);
else
dbg_to_reg(vcpu, p, rd, dbg_reg);
trace_trap_reg(__func__, rd->reg, p->is_write, *dbg_reg);
trace_trap_reg(__func__, rd->CRm, p->is_write, *dbg_reg);
return true;
}
@ -542,7 +542,7 @@ static bool trap_wcr(struct kvm_vcpu *vcpu,
static int set_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
const struct kvm_one_reg *reg, void __user *uaddr)
{
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg];
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
if (copy_from_user(r, uaddr, KVM_REG_SIZE(reg->id)) != 0)
return -EFAULT;
@ -552,7 +552,7 @@ static int set_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
static int get_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
const struct kvm_one_reg *reg, void __user *uaddr)
{
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg];
__u64 *r = &vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm];
if (copy_to_user(uaddr, r, KVM_REG_SIZE(reg->id)) != 0)
return -EFAULT;
@ -562,7 +562,7 @@ static int get_wcr(struct kvm_vcpu *vcpu, const struct sys_reg_desc *rd,
static void reset_wcr(struct kvm_vcpu *vcpu,
const struct sys_reg_desc *rd)
{
vcpu->arch.vcpu_debug_state.dbg_wcr[rd->reg] = rd->val;
vcpu->arch.vcpu_debug_state.dbg_wcr[rd->CRm] = rd->val;
}
static void reset_amair_el1(struct kvm_vcpu *vcpu, const struct sys_reg_desc *r)

3
arch/arm64/mm/mmu.c
View File

@ -515,7 +515,8 @@ static void __init map_mem(pgd_t *pgdp)
*/
BUILD_BUG_ON(pgd_index(direct_map_end - 1) == pgd_index(direct_map_end));
if (rodata_full || crash_mem_map || debug_pagealloc_enabled())
if (rodata_full || crash_mem_map || debug_pagealloc_enabled() ||
IS_ENABLED(CONFIG_KFENCE))
flags |= NO_BLOCK_MAPPINGS | NO_CONT_MAPPINGS;
/*

1
arch/mips/alchemy/board-xxs1500.c
View File

@ -18,6 +18,7 @@
#include <asm/reboot.h>
#include <asm/setup.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/gpio-au1000.h>
#include <prom.h>
const char *get_system_type(void)

5
arch/mips/include/asm/mips-boards/launch.h
View File

@ -3,6 +3,9 @@
*
*/
#ifndef _ASM_MIPS_BOARDS_LAUNCH_H
#define _ASM_MIPS_BOARDS_LAUNCH_H
#ifndef _ASSEMBLER_
struct cpulaunch {
@ -34,3 +37,5 @@ struct cpulaunch {
/* Polling period in count cycles for secondary CPU's */
#define LAUNCHPERIOD 10000
#endif /* _ASM_MIPS_BOARDS_LAUNCH_H */

12
arch/mips/lib/mips-atomic.c
View File

@ -37,7 +37,7 @@
*/
notrace void arch_local_irq_disable(void)
{
preempt_disable();
preempt_disable_notrace();
__asm__ __volatile__(
" .set push \n"
@ -53,7 +53,7 @@ notrace void arch_local_irq_disable(void)
: /* no inputs */
: "memory");
preempt_enable();
preempt_enable_notrace();
}
EXPORT_SYMBOL(arch_local_irq_disable);
@ -61,7 +61,7 @@ notrace unsigned long arch_local_irq_save(void)
{
unsigned long flags;
preempt_disable();
preempt_disable_notrace();
__asm__ __volatile__(
" .set push \n"
@ -78,7 +78,7 @@ notrace unsigned long arch_local_irq_save(void)
: /* no inputs */
: "memory");
preempt_enable();
preempt_enable_notrace();
return flags;
}
@ -88,7 +88,7 @@ notrace void arch_local_irq_restore(unsigned long flags)
{
unsigned long __tmp1;
preempt_disable();
preempt_disable_notrace();
__asm__ __volatile__(
" .set push \n"
@ -106,7 +106,7 @@ notrace void arch_local_irq_restore(unsigned long flags)
: "0" (flags)
: "memory");
preempt_enable();
preempt_enable_notrace();
}
EXPORT_SYMBOL(arch_local_irq_restore);

2
arch/mips/ralink/of.c
View File

@ -8,6 +8,7 @@
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/sizes.h>
#include <linux/of_fdt.h>
@ -25,6 +26,7 @@
__iomem void *rt_sysc_membase;
__iomem void *rt_memc_membase;
EXPORT_SYMBOL_GPL(rt_sysc_membase);
__iomem void *plat_of_remap_node(const char *node)
{

8
arch/powerpc/boot/dts/fsl/p1010si-post.dtsi
View File

@ -122,7 +122,15 @@
};
/include/ "pq3-i2c-0.dtsi"
i2c@3000 {
fsl,i2c-erratum-a004447;
};
/include/ "pq3-i2c-1.dtsi"
i2c@3100 {
fsl,i2c-erratum-a004447;
};
/include/ "pq3-duart-0.dtsi"
/include/ "pq3-espi-0.dtsi"
spi0: spi@7000 {

16
arch/powerpc/boot/dts/fsl/p2041si-post.dtsi
View File

@ -371,7 +371,23 @@
};
/include/ "qoriq-i2c-0.dtsi"
i2c@118000 {
fsl,i2c-erratum-a004447;
};
i2c@118100 {
fsl,i2c-erratum-a004447;
};
/include/ "qoriq-i2c-1.dtsi"
i2c@119000 {
fsl,i2c-erratum-a004447;
};
i2c@119100 {
fsl,i2c-erratum-a004447;
};
/include/ "qoriq-duart-0.dtsi"
/include/ "qoriq-duart-1.dtsi"
/include/ "qoriq-gpio-0.dtsi"

1
arch/powerpc/include/asm/kvm_host.h
View File

@ -51,6 +51,7 @@
/* PPC-specific vcpu->requests bit members */
#define KVM_REQ_WATCHDOG KVM_ARCH_REQ(0)
#define KVM_REQ_EPR_EXIT KVM_ARCH_REQ(1)
#define KVM_REQ_PENDING_TIMER KVM_ARCH_REQ(2)
#include <linux/mmu_notifier.h>

2
arch/powerpc/kvm/book3s_hv.c
View File

@ -3936,7 +3936,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc)
break;
}
cur = ktime_get();
} while (single_task_running() && ktime_before(cur, stop));
} while (kvm_vcpu_can_poll(cur, stop));
spin_lock(&vc->lock);
vc->vcore_state = VCORE_INACTIVE;

1
arch/riscv/Kconfig
View File

@ -34,6 +34,7 @@ config RISCV
select ARCH_OPTIONAL_KERNEL_RWX if ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_OPTIONAL_KERNEL_RWX_DEFAULT
select ARCH_SUPPORTS_HUGETLBFS if MMU
select ARCH_USE_MEMTEST
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT if MMU
select ARCH_WANT_FRAME_POINTERS
select ARCH_WANT_HUGE_PMD_SHARE if 64BIT

4
arch/riscv/include/asm/kexec.h
View File

@ -42,8 +42,8 @@ struct kimage_arch {
unsigned long fdt_addr;
};
const extern unsigned char riscv_kexec_relocate[];
const extern unsigned int riscv_kexec_relocate_size;
extern const unsigned char riscv_kexec_relocate[];
extern const unsigned int riscv_kexec_relocate_size;
typedef void (*riscv_kexec_method)(unsigned long first_ind_entry,
unsigned long jump_addr,

11
arch/riscv/kernel/machine_kexec.c
View File

@ -14,8 +14,9 @@
#include <asm/set_memory.h> /* For set_memory_x() */
#include <linux/compiler.h> /* For unreachable() */
#include <linux/cpu.h> /* For cpu_down() */
#include <linux/reboot.h>
/**
/*
* kexec_image_info - Print received image details
*/
static void
@ -39,7 +40,7 @@ kexec_image_info(const struct kimage *image)
}
}
/**
/*
* machine_kexec_prepare - Initialize kexec
*
* This function is called from do_kexec_load, when the user has
@ -100,7 +101,7 @@ machine_kexec_prepare(struct kimage *image)
}
/**
/*
* machine_kexec_cleanup - Cleanup any leftovers from
* machine_kexec_prepare
*
@ -135,7 +136,7 @@ void machine_shutdown(void)
#endif
}
/**
/*
* machine_crash_shutdown - Prepare to kexec after a kernel crash
*
* This function is called by crash_kexec just before machine_kexec
@ -151,7 +152,7 @@ machine_crash_shutdown(struct pt_regs *regs)
pr_info("Starting crashdump kernel...\n");
}
/**
/*
* machine_kexec - Jump to the loaded kimage
*
* This function is called by kernel_kexec which is called by the

2
arch/riscv/kernel/probes/kprobes.c
View File

@ -84,6 +84,7 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
return 0;
}
#ifdef CONFIG_MMU
void *alloc_insn_page(void)
{
return __vmalloc_node_range(PAGE_SIZE, 1, VMALLOC_START, VMALLOC_END,
@ -91,6 +92,7 @@ void *alloc_insn_page(void)
VM_FLUSH_RESET_PERMS, NUMA_NO_NODE,
__builtin_return_address(0));
}
#endif
/* install breakpoint in text */
void __kprobes arch_arm_kprobe(struct kprobe *p)

14
arch/riscv/kernel/stacktrace.c
View File

@ -27,10 +27,10 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
fp = frame_pointer(regs);
sp = user_stack_pointer(regs);
pc = instruction_pointer(regs);
} else if (task == NULL || task == current) {
fp = (unsigned long)__builtin_frame_address(0);
sp = sp_in_global;
pc = (unsigned long)walk_stackframe;
} else if (task == current) {
fp = (unsigned long)__builtin_frame_address(1);
sp = (unsigned long)__builtin_frame_address(0);
pc = (unsigned long)__builtin_return_address(0);
} else {
/* task blocked in __switch_to */
fp = task->thread.s[0];
@ -106,15 +106,15 @@ static bool print_trace_address(void *arg, unsigned long pc)
return true;
}
void dump_backtrace(struct pt_regs *regs, struct task_struct *task,
noinline void dump_backtrace(struct pt_regs *regs, struct task_struct *task,
const char *loglvl)
{
pr_cont("%sCall Trace:\n", loglvl);
walk_stackframe(task, regs, print_trace_address, (void *)loglvl);
}
void show_stack(struct task_struct *task, unsigned long *sp, const char *loglvl)
{
pr_cont("%sCall Trace:\n", loglvl);
dump_backtrace(NULL, task, loglvl);
}
@ -139,7 +139,7 @@ unsigned long get_wchan(struct task_struct *task)
#ifdef CONFIG_STACKTRACE
void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
noinline void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
struct task_struct *task, struct pt_regs *regs)
{
walk_stackframe(task, regs, consume_entry, cookie);

1
arch/x86/include/asm/kvm-x86-ops.h
View File

@ -99,6 +99,7 @@ KVM_X86_OP_NULL(post_block)
KVM_X86_OP_NULL(vcpu_blocking)
KVM_X86_OP_NULL(vcpu_unblocking)
KVM_X86_OP_NULL(update_pi_irte)
KVM_X86_OP_NULL(start_assignment)
KVM_X86_OP_NULL(apicv_post_state_restore)
KVM_X86_OP_NULL(dy_apicv_has_pending_interrupt)
KVM_X86_OP_NULL(set_hv_timer)

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

@ -1352,6 +1352,7 @@ struct kvm_x86_ops {
int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq,
uint32_t guest_irq, bool set);
void (*start_assignment)(struct kvm *kvm);
void (*apicv_post_state_restore)(struct kvm_vcpu *vcpu);
bool (*dy_apicv_has_pending_interrupt)(struct kvm_vcpu *vcpu);

5
arch/x86/kvm/emulate.c
View File

@ -5111,7 +5111,7 @@ done:
return rc;
}
int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len)
int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len, int emulation_type)
{
int rc = X86EMUL_CONTINUE;
int mode = ctxt->mode;
@ -5322,7 +5322,8 @@ done_prefixes:
ctxt->execute = opcode.u.execute;
if (unlikely(ctxt->ud) && likely(!(ctxt->d & EmulateOnUD)))
if (unlikely(emulation_type & EMULTYPE_TRAP_UD) &&
likely(!(ctxt->d & EmulateOnUD)))
return EMULATION_FAILED;
if (unlikely(ctxt->d &

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

@ -1172,6 +1172,7 @@ void kvm_hv_invalidate_tsc_page(struct kvm *kvm)
{
struct kvm_hv *hv = to_kvm_hv(kvm);
u64 gfn;
int idx;
if (hv->hv_tsc_page_status == HV_TSC_PAGE_BROKEN ||
hv->hv_tsc_page_status == HV_TSC_PAGE_UNSET ||
@ -1190,9 +1191,16 @@ void kvm_hv_invalidate_tsc_page(struct kvm *kvm)
gfn = hv->hv_tsc_page >> HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT;
hv->tsc_ref.tsc_sequence = 0;
/*
* Take the srcu lock as memslots will be accessed to check the gfn
* cache generation against the memslots generation.
*/
idx = srcu_read_lock(&kvm->srcu);
if (kvm_write_guest(kvm, gfn_to_gpa(gfn),
&hv->tsc_ref, sizeof(hv->tsc_ref.tsc_sequence)))
hv->hv_tsc_page_status = HV_TSC_PAGE_BROKEN;
srcu_read_unlock(&kvm->srcu, idx);
out_unlock:
mutex_unlock(&hv->hv_lock);

3
arch/x86/kvm/kvm_emulate.h
View File

@ -314,7 +314,6 @@ struct x86_emulate_ctxt {
int interruptibility;
bool perm_ok; /* do not check permissions if true */
bool ud; /* inject an #UD if host doesn't support insn */
bool tf; /* TF value before instruction (after for syscall/sysret) */
bool have_exception;
@ -491,7 +490,7 @@ enum x86_intercept {
#define X86EMUL_MODE_HOST X86EMUL_MODE_PROT64
#endif
int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len);
int x86_decode_insn(struct x86_emulate_ctxt *ctxt, void *insn, int insn_len, int emulation_type);
bool x86_page_table_writing_insn(struct x86_emulate_ctxt *ctxt);
#define EMULATION_FAILED -1
#define EMULATION_OK 0

16
arch/x86/kvm/lapic.c
View File

@ -1598,11 +1598,19 @@ static void __kvm_wait_lapic_expire(struct kvm_vcpu *vcpu)
guest_tsc = kvm_read_l1_tsc(vcpu, rdtsc());
apic->lapic_timer.advance_expire_delta = guest_tsc - tsc_deadline;
if (lapic_timer_advance_dynamic) {
adjust_lapic_timer_advance(vcpu, apic->lapic_timer.advance_expire_delta);
/*
* If the timer fired early, reread the TSC to account for the
* overhead of the above adjustment to avoid waiting longer
* than is necessary.
*/
if (guest_tsc < tsc_deadline)
guest_tsc = kvm_read_l1_tsc(vcpu, rdtsc());
}
if (guest_tsc < tsc_deadline)
__wait_lapic_expire(vcpu, tsc_deadline - guest_tsc);
if (lapic_timer_advance_dynamic)
adjust_lapic_timer_advance(vcpu, apic->lapic_timer.advance_expire_delta);
}
void kvm_wait_lapic_expire(struct kvm_vcpu *vcpu)
@ -1661,7 +1669,7 @@ static void apic_timer_expired(struct kvm_lapic *apic, bool from_timer_fn)
}
atomic_inc(&apic->lapic_timer.pending);
kvm_make_request(KVM_REQ_PENDING_TIMER, vcpu);
kvm_make_request(KVM_REQ_UNBLOCK, vcpu);
if (from_timer_fn)
kvm_vcpu_kick(vcpu);
}

6
arch/x86/kvm/mmu/tdp_mmu.c
View File

@ -1192,9 +1192,9 @@ bool kvm_tdp_mmu_set_spte_gfn(struct kvm *kvm, struct kvm_gfn_range *range)
}
/*
* Remove write access from all the SPTEs mapping GFNs [start, end). If
* skip_4k is set, SPTEs that map 4k pages, will not be write-protected.
* Returns true if an SPTE has been changed and the TLBs need to be flushed.
* Remove write access from all SPTEs at or above min_level that map GFNs
* [start, end). Returns true if an SPTE has been changed and the TLBs need to
* be flushed.
*/
static bool wrprot_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
gfn_t start, gfn_t end, int min_level)

6
arch/x86/kvm/svm/avic.c
View File

@ -28,10 +28,8 @@
#include "svm.h"
/* enable / disable AVIC */
int avic;
#ifdef CONFIG_X86_LOCAL_APIC
module_param(avic, int, S_IRUGO);
#endif
bool avic;
module_param(avic, bool, S_IRUGO);
#define SVM_AVIC_DOORBELL 0xc001011b

4
arch/x86/kvm/svm/svm.c
View File

@ -1010,9 +1010,7 @@ static __init int svm_hardware_setup(void)
}
if (avic) {
if (!npt_enabled ||
!boot_cpu_has(X86_FEATURE_AVIC) ||
!IS_ENABLED(CONFIG_X86_LOCAL_APIC)) {
if (!npt_enabled || !boot_cpu_has(X86_FEATURE_AVIC)) {
avic = false;
} else {
pr_info("AVIC enabled\n");

2
arch/x86/kvm/svm/svm.h
View File

@ -480,7 +480,7 @@ extern struct kvm_x86_nested_ops svm_nested_ops;
#define VMCB_AVIC_APIC_BAR_MASK 0xFFFFFFFFFF000ULL
extern int avic;
extern bool avic;
static inline void avic_update_vapic_bar(struct vcpu_svm *svm, u64 data)
{

3
arch/x86/kvm/vmx/capabilities.h
View File

@ -90,8 +90,7 @@ static inline bool cpu_has_vmx_preemption_timer(void)
static inline bool cpu_has_vmx_posted_intr(void)
{
return IS_ENABLED(CONFIG_X86_LOCAL_APIC) &&
vmcs_config.pin_based_exec_ctrl & PIN_BASED_POSTED_INTR;
return vmcs_config.pin_based_exec_ctrl & PIN_BASED_POSTED_INTR;
}
static inline bool cpu_has_load_ia32_efer(void)

14
arch/x86/kvm/vmx/posted_intr.c
View File

@ -237,6 +237,20 @@ bool pi_has_pending_interrupt(struct kvm_vcpu *vcpu)
}
/*
* Bail out of the block loop if the VM has an assigned
* device, but the blocking vCPU didn't reconfigure the
* PI.NV to the wakeup vector, i.e. the assigned device
* came along after the initial check in pi_pre_block().
*/
void vmx_pi_start_assignment(struct kvm *kvm)
{
if (!irq_remapping_cap(IRQ_POSTING_CAP))
return;
kvm_make_all_cpus_request(kvm, KVM_REQ_UNBLOCK);
}
/*
* pi_update_irte - set IRTE for Posted-Interrupts
*

1
arch/x86/kvm/vmx/posted_intr.h
View File

@ -95,5 +95,6 @@ void __init pi_init_cpu(int cpu);
bool pi_has_pending_interrupt(struct kvm_vcpu *vcpu);
int pi_update_irte(struct kvm *kvm, unsigned int host_irq, uint32_t guest_irq,
bool set);
void vmx_pi_start_assignment(struct kvm *kvm);
#endif /* __KVM_X86_VMX_POSTED_INTR_H */

6
arch/x86/kvm/vmx/vmx.c
View File

@ -4843,7 +4843,7 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
struct vcpu_vmx *vmx = to_vmx(vcpu);
struct kvm_run *kvm_run = vcpu->run;
u32 intr_info, ex_no, error_code;
unsigned long cr2, rip, dr6;
unsigned long cr2, dr6;
u32 vect_info;
vect_info = vmx->idt_vectoring_info;
@ -4933,8 +4933,7 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
vmx->vcpu.arch.event_exit_inst_len =
vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
kvm_run->exit_reason = KVM_EXIT_DEBUG;
rip = kvm_rip_read(vcpu);
kvm_run->debug.arch.pc = vmcs_readl(GUEST_CS_BASE) + rip;
kvm_run->debug.arch.pc = kvm_get_linear_rip(vcpu);
kvm_run->debug.arch.exception = ex_no;
break;
case AC_VECTOR:
@ -7721,6 +7720,7 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
.nested_ops = &vmx_nested_ops,
.update_pi_irte = pi_update_irte,
.start_assignment = vmx_pi_start_assignment,
#ifdef CONFIG_X86_64
.set_hv_timer = vmx_set_hv_timer,

27
arch/x86/kvm/x86.c
View File

@ -3105,6 +3105,8 @@ static void record_steal_time(struct kvm_vcpu *vcpu)
st->preempted & KVM_VCPU_FLUSH_TLB);
if (xchg(&st->preempted, 0) & KVM_VCPU_FLUSH_TLB)
kvm_vcpu_flush_tlb_guest(vcpu);
} else {
st->preempted = 0;
}
vcpu->arch.st.preempted = 0;
@ -7226,6 +7228,11 @@ static void init_emulate_ctxt(struct kvm_vcpu *vcpu)
BUILD_BUG_ON(HF_SMM_MASK != X86EMUL_SMM_MASK);
BUILD_BUG_ON(HF_SMM_INSIDE_NMI_MASK != X86EMUL_SMM_INSIDE_NMI_MASK);
ctxt->interruptibility = 0;
ctxt->have_exception = false;
ctxt->exception.vector = -1;
ctxt->perm_ok = false;
init_decode_cache(ctxt);
vcpu->arch.emulate_regs_need_sync_from_vcpu = false;
}
@ -7561,14 +7568,7 @@ int x86_decode_emulated_instruction(struct kvm_vcpu *vcpu, int emulation_type,
kvm_vcpu_check_breakpoint(vcpu, &r))
return r;
ctxt->interruptibility = 0;
ctxt->have_exception = false;
ctxt->exception.vector = -1;
ctxt->perm_ok = false;
ctxt->ud = emulation_type & EMULTYPE_TRAP_UD;
r = x86_decode_insn(ctxt, insn, insn_len);
r = x86_decode_insn(ctxt, insn, insn_len, emulation_type);
trace_kvm_emulate_insn_start(vcpu);
++vcpu->stat.insn_emulation;
@ -8360,6 +8360,9 @@ static void kvm_sched_yield(struct kvm_vcpu *vcpu, unsigned long dest_id)
vcpu->stat.directed_yield_attempted++;
if (single_task_running())
goto no_yield;
rcu_read_lock();
map = rcu_dereference(vcpu->kvm->arch.apic_map);
@ -9496,7 +9499,7 @@ static int vcpu_run(struct kvm_vcpu *vcpu)
if (r <= 0)
break;
kvm_clear_request(KVM_REQ_PENDING_TIMER, vcpu);
kvm_clear_request(KVM_REQ_UNBLOCK, vcpu);
if (kvm_cpu_has_pending_timer(vcpu))
kvm_inject_pending_timer_irqs(vcpu);
@ -10115,8 +10118,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
kvm_update_dr7(vcpu);
if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP)
vcpu->arch.singlestep_rip = kvm_rip_read(vcpu) +
get_segment_base(vcpu, VCPU_SREG_CS);
vcpu->arch.singlestep_rip = kvm_get_linear_rip(vcpu);
/*
* Trigger an rflags update that will inject or remove the trace
@ -11499,7 +11501,8 @@ bool kvm_arch_can_dequeue_async_page_present(struct kvm_vcpu *vcpu)
void kvm_arch_start_assignment(struct kvm *kvm)
{
atomic_inc(&kvm->arch.assigned_device_count);
if (atomic_inc_return(&kvm->arch.assigned_device_count) == 1)
static_call_cond(kvm_x86_start_assignment)(kvm);
}
EXPORT_SYMBOL_GPL(kvm_arch_start_assignment);

1
drivers/acpi/acpi_apd.c
View File

@ -226,6 +226,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
{ "AMDI0010", APD_ADDR(wt_i2c_desc) },
{ "AMD0020", APD_ADDR(cz_uart_desc) },
{ "AMDI0020", APD_ADDR(cz_uart_desc) },
{ "AMDI0022", APD_ADDR(cz_uart_desc) },
{ "AMD0030", },
{ "AMD0040", APD_ADDR(fch_misc_desc)},
{ "HYGO0010", APD_ADDR(wt_i2c_desc) },

4
drivers/acpi/internal.h
View File

@ -134,7 +134,7 @@ int acpi_power_init(void);
void acpi_power_resources_list_free(struct list_head *list);
int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
struct list_head *list);
int acpi_add_power_resource(acpi_handle handle);
struct acpi_device *acpi_add_power_resource(acpi_handle handle);
void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
int acpi_device_sleep_wake(struct acpi_device *dev,
@ -142,7 +142,7 @@ int acpi_device_sleep_wake(struct acpi_device *dev,
int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
int acpi_power_on_resources(struct acpi_device *device, int state);
int acpi_power_transition(struct acpi_device *device, int state);
void acpi_turn_off_unused_power_resources(void);
void acpi_turn_off_unused_power_resources(bool init);
/* --------------------------------------------------------------------------
Device Power Management

59
drivers/acpi/power.c
View File

@ -52,6 +52,7 @@ struct acpi_power_resource {
u32 system_level;
u32 order;
unsigned int ref_count;
unsigned int users;
bool wakeup_enabled;
struct mutex resource_lock;
struct list_head dependents;
@ -147,6 +148,7 @@ int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
for (i = start; i < package->package.count; i++) {
union acpi_object *element = &package->package.elements[i];
struct acpi_device *rdev;
acpi_handle rhandle;
if (element->type != ACPI_TYPE_LOCAL_REFERENCE) {
@ -163,13 +165,16 @@ int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
if (acpi_power_resource_is_dup(package, start, i))
continue;
err = acpi_add_power_resource(rhandle);
if (err)
rdev = acpi_add_power_resource(rhandle);
if (!rdev) {
err = -ENODEV;
break;
}
err = acpi_power_resources_list_add(rhandle, list);
if (err)
break;
to_power_resource(rdev)->users++;
}
if (err)
acpi_power_resources_list_free(list);
@ -907,7 +912,7 @@ static void acpi_power_add_resource_to_list(struct acpi_power_resource *resource
mutex_unlock(&power_resource_list_lock);
}
int acpi_add_power_resource(acpi_handle handle)
struct acpi_device *acpi_add_power_resource(acpi_handle handle)
{
struct acpi_power_resource *resource;
struct acpi_device *device = NULL;
@ -918,11 +923,11 @@ int acpi_add_power_resource(acpi_handle handle)
acpi_bus_get_device(handle, &device);
if (device)
return 0;
return device;
resource = kzalloc(sizeof(*resource), GFP_KERNEL);
if (!resource)
return -ENOMEM;
return NULL;
device = &resource->device;
acpi_init_device_object(device, handle, ACPI_BUS_TYPE_POWER);
@ -959,11 +964,11 @@ int acpi_add_power_resource(acpi_handle handle)
acpi_power_add_resource_to_list(resource);
acpi_device_add_finalize(device);
return 0;
return device;
err:
acpi_release_power_resource(&device->dev);
return result;
return NULL;
}
#ifdef CONFIG_ACPI_SLEEP
@ -997,7 +1002,38 @@ void acpi_resume_power_resources(void)
}
#endif
void acpi_turn_off_unused_power_resources(void)
static void acpi_power_turn_off_if_unused(struct acpi_power_resource *resource,
bool init)
{
if (resource->ref_count > 0)
return;
if (init) {
if (resource->users > 0)
return;
} else {
int result, state;
result = acpi_power_get_state(resource->device.handle, &state);
if (result || state == ACPI_POWER_RESOURCE_STATE_OFF)
return;
}
dev_info(&resource->device.dev, "Turning OFF\n");
__acpi_power_off(resource);
}
/**
* acpi_turn_off_unused_power_resources - Turn off power resources not in use.
* @init: Control switch.
*
* If @ainit is set, unconditionally turn off all of the ACPI power resources
* without any users.
*
* Otherwise, turn off all ACPI power resources without active references (that
* is, the ones that should be "off" at the moment) that are "on".
*/
void acpi_turn_off_unused_power_resources(bool init)
{
struct acpi_power_resource *resource;
@ -1006,10 +1042,7 @@ void acpi_turn_off_unused_power_resources(void)
list_for_each_entry_reverse(resource, &acpi_power_resource_list, list_node) {
mutex_lock(&resource->resource_lock);
if (!resource->ref_count) {
dev_info(&resource->device.dev, "Turning OFF\n");
__acpi_power_off(resource);
}
acpi_power_turn_off_if_unused(resource, init);
mutex_unlock(&resource->resource_lock);
}

2
drivers/acpi/scan.c
View File

@ -2360,7 +2360,7 @@ int __init acpi_scan_init(void)
}
}
acpi_turn_off_unused_power_resources();
acpi_turn_off_unused_power_resources(true);
acpi_scan_initialized = true;

2
drivers/acpi/sleep.c
View File

@ -504,7 +504,7 @@ static void acpi_pm_start(u32 acpi_state)
*/
static void acpi_pm_end(void)
{
acpi_turn_off_unused_power_resources();
acpi_turn_off_unused_power_resources(false);
acpi_scan_lock_release();
/*
* This is necessary in case acpi_pm_finish() is not called during a

68
drivers/base/core.c
View File

@ -194,6 +194,17 @@ int device_links_read_lock_held(void)
{
return srcu_read_lock_held(&device_links_srcu);
}
static void device_link_synchronize_removal(void)
{
synchronize_srcu(&device_links_srcu);
}
static void device_link_remove_from_lists(struct device_link *link)
{
list_del_rcu(&link->s_node);
list_del_rcu(&link->c_node);
}
#else /* !CONFIG_SRCU */
static DECLARE_RWSEM(device_links_lock);
@ -224,6 +235,16 @@ int device_links_read_lock_held(void)
return lockdep_is_held(&device_links_lock);
}
#endif
static inline void device_link_synchronize_removal(void)
{
}
static void device_link_remove_from_lists(struct device_link *link)
{
list_del(&link->s_node);
list_del(&link->c_node);
}
#endif /* !CONFIG_SRCU */
static bool device_is_ancestor(struct device *dev, struct device *target)
@ -445,8 +466,13 @@ static struct attribute *devlink_attrs[] = {
};
ATTRIBUTE_GROUPS(devlink);
static void device_link_free(struct device_link *link)
static void device_link_release_fn(struct work_struct *work)
{
struct device_link *link = container_of(work, struct device_link, rm_work);
/* Ensure that all references to the link object have been dropped. */
device_link_synchronize_removal();
while (refcount_dec_not_one(&link->rpm_active))
pm_runtime_put(link->supplier);
@ -455,24 +481,19 @@ static void device_link_free(struct device_link *link)
kfree(link);
}
#ifdef CONFIG_SRCU
static void __device_link_free_srcu(struct rcu_head *rhead)
{
device_link_free(container_of(rhead, struct device_link, rcu_head));
}
static void devlink_dev_release(struct device *dev)
{
struct device_link *link = to_devlink(dev);
call_srcu(&device_links_srcu, &link->rcu_head, __device_link_free_srcu);
INIT_WORK(&link->rm_work, device_link_release_fn);
/*
* It may take a while to complete this work because of the SRCU
* synchronization in device_link_release_fn() and if the consumer or
* supplier devices get deleted when it runs, so put it into the "long"
* workqueue.
*/
queue_work(system_long_wq, &link->rm_work);
}
#else
static void devlink_dev_release(struct device *dev)
{
device_link_free(to_devlink(dev));
}
#endif
static struct class devlink_class = {
.name = "devlink",
@ -846,7 +867,6 @@ out:
}
EXPORT_SYMBOL_GPL(device_link_add);
#ifdef CONFIG_SRCU
static void __device_link_del(struct kref *kref)
{
struct device_link *link = container_of(kref, struct device_link, kref);
@ -856,25 +876,9 @@ static void __device_link_del(struct kref *kref)
pm_runtime_drop_link(link);
list_del_rcu(&link->s_node);
list_del_rcu(&link->c_node);
device_link_remove_from_lists(link);
device_unregister(&link->link_dev);
}
#else /* !CONFIG_SRCU */
static void __device_link_del(struct kref *kref)
{
struct device_link *link = container_of(kref, struct device_link, kref);
dev_info(link->consumer, "Dropping the link to %s\n",
dev_name(link->supplier));
pm_runtime_drop_link(link);
list_del(&link->s_node);
list_del(&link->c_node);
device_unregister(&link->link_dev);
}
#endif /* !CONFIG_SRCU */
static void device_link_put_kref(struct device_link *link)
{

12
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v10_3.c
View File

@ -156,16 +156,16 @@ static uint32_t get_sdma_rlc_reg_offset(struct amdgpu_device *adev,
mmSDMA0_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL;
break;
case 1:
sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA1, 0,
sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0,
mmSDMA1_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL;
break;
case 2:
sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA2, 0,
mmSDMA2_RLC0_RB_CNTL) - mmSDMA2_RLC0_RB_CNTL;
sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0,
mmSDMA2_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL;
break;
case 3:
sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA3, 0,
mmSDMA3_RLC0_RB_CNTL) - mmSDMA2_RLC0_RB_CNTL;
sdma_engine_reg_base = SOC15_REG_OFFSET(SDMA0, 0,
mmSDMA3_RLC0_RB_CNTL) - mmSDMA0_RLC0_RB_CNTL;
break;
}
@ -450,7 +450,7 @@ static int hqd_sdma_dump_v10_3(struct kgd_dev *kgd,
engine_id, queue_id);
uint32_t i = 0, reg;
#undef HQD_N_REGS
#define HQD_N_REGS (19+6+7+10)
#define HQD_N_REGS (19+6+7+12)
*dump = kmalloc(HQD_N_REGS*2*sizeof(uint32_t), GFP_KERNEL);
if (*dump == NULL)

2
drivers/gpu/drm/amd/amdgpu/jpeg_v2_0.c
View File

@ -172,6 +172,8 @@ static int jpeg_v2_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
cancel_delayed_work_sync(&adev->vcn.idle_work);
if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
jpeg_v2_0_set_powergating_state(adev, AMD_PG_STATE_GATE);

4
drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c
View File

@ -187,14 +187,14 @@ static int jpeg_v2_5_hw_init(void *handle)
static int jpeg_v2_5_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring;
int i;
cancel_delayed_work_sync(&adev->vcn.idle_work);
for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) {
if (adev->jpeg.harvest_config & (1 << i))
continue;
ring = &adev->jpeg.inst[i].ring_dec;
if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(JPEG, i, mmUVD_JRBC_STATUS))
jpeg_v2_5_set_powergating_state(adev, AMD_PG_STATE_GATE);

4
drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c
View File

@ -159,9 +159,9 @@ static int jpeg_v3_0_hw_init(void *handle)
static int jpeg_v3_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring;
ring = &adev->jpeg.inst->ring_dec;
cancel_delayed_work_sync(&adev->vcn.idle_work);
if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
jpeg_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);

6
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
View File

@ -231,9 +231,13 @@ static int vcn_v1_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
cancel_delayed_work_sync(&adev->vcn.idle_work);
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
RREG32_SOC15(VCN, 0, mmUVD_STATUS))
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(VCN, 0, mmUVD_STATUS))) {
vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
}
return 0;
}

2
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
View File

@ -262,6 +262,8 @@ static int vcn_v2_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
cancel_delayed_work_sync(&adev->vcn.idle_work);
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
RREG32_SOC15(VCN, 0, mmUVD_STATUS)))

2
drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c
View File

@ -321,6 +321,8 @@ static int vcn_v2_5_hw_fini(void *handle)
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i;
cancel_delayed_work_sync(&adev->vcn.idle_work);
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;

5
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
View File

@ -372,15 +372,14 @@ done:
static int vcn_v3_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring;
int i;
cancel_delayed_work_sync(&adev->vcn.idle_work);
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
ring = &adev->vcn.inst[i].ring_dec;
if (!amdgpu_sriov_vf(adev)) {
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&

9
drivers/gpu/drm/amd/pm/swsmu/smu11/navi10_ppt.c
View File

@ -2925,6 +2925,8 @@ static ssize_t navi1x_get_gpu_metrics(struct smu_context *smu,
static int navi10_enable_mgpu_fan_boost(struct smu_context *smu)
{
struct smu_table_context *table_context = &smu->smu_table;
PPTable_t *smc_pptable = table_context->driver_pptable;
struct amdgpu_device *adev = smu->adev;
uint32_t param = 0;
@ -2932,6 +2934,13 @@ static int navi10_enable_mgpu_fan_boost(struct smu_context *smu)
if (adev->asic_type == CHIP_NAVI12)
return 0;
/*
* Skip the MGpuFanBoost setting for those ASICs
* which do not support it
*/
if (!smc_pptable->MGpuFanBoostLimitRpm)
return 0;
/* Workaround for WS SKU */
if (adev->pdev->device == 0x7312 &&
adev->pdev->revision == 0)

10
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
View File

@ -3027,6 +3027,16 @@ static ssize_t sienna_cichlid_get_gpu_metrics(struct smu_context *smu,
static int sienna_cichlid_enable_mgpu_fan_boost(struct smu_context *smu)
{
struct smu_table_context *table_context = &smu->smu_table;
PPTable_t *smc_pptable = table_context->driver_pptable;
/*
* Skip the MGpuFanBoost setting for those ASICs
* which do not support it
*/
if (!smc_pptable->MGpuFanBoostLimitRpm)
return 0;
return smu_cmn_send_smc_msg_with_param(smu,
SMU_MSG_SetMGpuFanBoostLimitRpm,
0,

71
drivers/gpu/drm/i915/display/intel_dp_link_training.c
View File

@ -128,50 +128,14 @@ intel_dp_set_lttpr_transparent_mode(struct intel_dp *intel_dp, bool enable)
return drm_dp_dpcd_write(&intel_dp->aux, DP_PHY_REPEATER_MODE, &val, 1) == 1;
}
/**
* intel_dp_init_lttpr_and_dprx_caps - detect LTTPR and DPRX caps, init the LTTPR link training mode
* @intel_dp: Intel DP struct
*
* Read the LTTPR common and DPRX capabilities and switch to non-transparent
* link training mode if any is detected and read the PHY capabilities for all
* detected LTTPRs. In case of an LTTPR detection error or if the number of
* LTTPRs is more than is supported (8), fall back to the no-LTTPR,
* transparent mode link training mode.
*
* Returns:
* >0 if LTTPRs were detected and the non-transparent LT mode was set. The
* DPRX capabilities are read out.
* 0 if no LTTPRs or more than 8 LTTPRs were detected or in case of a
* detection failure and the transparent LT mode was set. The DPRX
* capabilities are read out.
* <0 Reading out the DPRX capabilities failed.
*/
int intel_dp_init_lttpr_and_dprx_caps(struct intel_dp *intel_dp)
static int intel_dp_init_lttpr(struct intel_dp *intel_dp)
{
int lttpr_count;
bool ret;
int i;
ret = intel_dp_read_lttpr_common_caps(intel_dp);
/* The DPTX shall read the DPRX caps after LTTPR detection. */
if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd)) {
intel_dp_reset_lttpr_common_caps(intel_dp);
return -EIO;
}
if (!ret)
if (!intel_dp_read_lttpr_common_caps(intel_dp))
return 0;
/*
* The 0xF0000-0xF02FF range is only valid if the DPCD revision is
* at least 1.4.
*/
if (intel_dp->dpcd[DP_DPCD_REV] < 0x14) {
intel_dp_reset_lttpr_common_caps(intel_dp);
return 0;
}
lttpr_count = drm_dp_lttpr_count(intel_dp->lttpr_common_caps);
/*
* Prevent setting LTTPR transparent mode explicitly if no LTTPRs are
@ -211,6 +175,37 @@ int intel_dp_init_lttpr_and_dprx_caps(struct intel_dp *intel_dp)
return lttpr_count;
}
/**
* intel_dp_init_lttpr_and_dprx_caps - detect LTTPR and DPRX caps, init the LTTPR link training mode
* @intel_dp: Intel DP struct
*
* Read the LTTPR common and DPRX capabilities and switch to non-transparent
* link training mode if any is detected and read the PHY capabilities for all
* detected LTTPRs. In case of an LTTPR detection error or if the number of
* LTTPRs is more than is supported (8), fall back to the no-LTTPR,
* transparent mode link training mode.
*
* Returns:
* >0 if LTTPRs were detected and the non-transparent LT mode was set. The
* DPRX capabilities are read out.
* 0 if no LTTPRs or more than 8 LTTPRs were detected or in case of a
* detection failure and the transparent LT mode was set. The DPRX
* capabilities are read out.
* <0 Reading out the DPRX capabilities failed.
*/
int intel_dp_init_lttpr_and_dprx_caps(struct intel_dp *intel_dp)
{
int lttpr_count = intel_dp_init_lttpr(intel_dp);
/* The DPTX shall read the DPRX caps after LTTPR detection. */
if (drm_dp_read_dpcd_caps(&intel_dp->aux, intel_dp->dpcd)) {
intel_dp_reset_lttpr_common_caps(intel_dp);
return -EIO;
}
return lttpr_count;
}
EXPORT_SYMBOL(intel_dp_init_lttpr_and_dprx_caps);
static u8 dp_voltage_max(u8 preemph)

9
drivers/gpu/drm/meson/meson_drv.c
View File

@ -485,11 +485,12 @@ static int meson_probe_remote(struct platform_device *pdev,
static void meson_drv_shutdown(struct platform_device *pdev)
{
struct meson_drm *priv = dev_get_drvdata(&pdev->dev);
struct drm_device *drm = priv->drm;
DRM_DEBUG_DRIVER("\n");
drm_kms_helper_poll_fini(drm);
drm_atomic_helper_shutdown(drm);
if (!priv)
return;
drm_kms_helper_poll_fini(priv->drm);
drm_atomic_helper_shutdown(priv->drm);
}
static int meson_drv_probe(struct platform_device *pdev)

2
drivers/gpu/drm/ttm/ttm_device.c
View File

@ -145,7 +145,7 @@ int ttm_device_swapout(struct ttm_device *bdev, struct ttm_operation_ctx *ctx,
list_for_each_entry(bo, &man->lru[j], lru) {
uint32_t num_pages;
if (!bo->ttm ||
if (!bo->ttm || !ttm_tt_is_populated(bo->ttm) ||
bo->ttm->page_flags & TTM_PAGE_FLAG_SG ||
bo->ttm->page_flags & TTM_PAGE_FLAG_SWAPPED)
continue;

2
drivers/i2c/busses/Kconfig
View File

@ -647,7 +647,7 @@ config I2C_HIGHLANDER
config I2C_HISI
tristate "HiSilicon I2C controller"
depends on ARM64 || COMPILE_TEST
depends on (ARM64 && ACPI) || COMPILE_TEST
help
Say Y here if you want to have Hisilicon I2C controller support
available on the Kunpeng Server.

2
drivers/i2c/busses/i2c-ali1563.c
View File

@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-only
/**
/*
* i2c-ali1563.c - i2c driver for the ALi 1563 Southbridge
*
* Copyright (C) 2004 Patrick Mochel

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

@ -144,7 +144,7 @@ enum cdns_i2c_mode {
};
/**
* enum cdns_i2c_slave_mode - Slave state when I2C is operating in slave mode
* enum cdns_i2c_slave_state - Slave state when I2C is operating in slave mode
*
* @CDNS_I2C_SLAVE_STATE_IDLE: I2C slave idle
* @CDNS_I2C_SLAVE_STATE_SEND: I2C slave sending data to master

2
drivers/i2c/busses/i2c-designware-master.c
View File

@ -165,7 +165,7 @@ static int i2c_dw_set_timings_master(struct dw_i2c_dev *dev)
}
/**
* i2c_dw_init() - Initialize the designware I2C master hardware
* i2c_dw_init_master() - Initialize the designware I2C master hardware
* @dev: device private data
*
* This functions configures and enables the I2C master.

3
drivers/i2c/busses/i2c-eg20t.c
View File

@ -148,7 +148,7 @@ struct i2c_algo_pch_data {
/**
* struct adapter_info - This structure holds the adapter information for the
PCH i2c controller
* PCH i2c controller
* @pch_data: stores a list of i2c_algo_pch_data
* @pch_i2c_suspended: specifies whether the system is suspended or not
* perhaps with more lines and words.
@ -358,6 +358,7 @@ static void pch_i2c_repstart(struct i2c_algo_pch_data *adap)
/**
* pch_i2c_writebytes() - write data to I2C bus in normal mode
* @i2c_adap: Pointer to the struct i2c_adapter.
* @msgs: Pointer to the i2c message structure.
* @last: specifies whether last message or not.
* In the case of compound mode it will be 1 for last message,
* otherwise 0.

6
drivers/i2c/busses/i2c-i801.c
View File

@ -395,11 +395,9 @@ static int i801_check_post(struct i801_priv *priv, int status)
dev_err(&priv->pci_dev->dev, "Transaction timeout\n");
/* try to stop the current command */
dev_dbg(&priv->pci_dev->dev, "Terminating the current operation\n");
outb_p(inb_p(SMBHSTCNT(priv)) | SMBHSTCNT_KILL,
SMBHSTCNT(priv));
outb_p(SMBHSTCNT_KILL, SMBHSTCNT(priv));
usleep_range(1000, 2000);
outb_p(inb_p(SMBHSTCNT(priv)) & (~SMBHSTCNT_KILL),
SMBHSTCNT(priv));
outb_p(0, SMBHSTCNT(priv));
/* Check if it worked */
status = inb_p(SMBHSTSTS(priv));

1
drivers/i2c/busses/i2c-icy.c
View File

@ -123,7 +123,6 @@ static int icy_probe(struct zorro_dev *z,
{
struct icy_i2c *i2c;
struct i2c_algo_pcf_data *algo_data;
struct fwnode_handle *new_fwnode;
struct i2c_board_info ltc2990_info = {
.type = "ltc2990",
.swnode = &icy_ltc2990_node,

81
drivers/i2c/busses/i2c-mpc.c
View File

@ -19,6 +19,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/fsl_devices.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
@ -45,6 +46,7 @@
#define CCR_MTX 0x10
#define CCR_TXAK 0x08
#define CCR_RSTA 0x04
#define CCR_RSVD 0x02
#define CSR_MCF 0x80
#define CSR_MAAS 0x40
@ -97,7 +99,7 @@ struct mpc_i2c {
u32 block;
int rc;
int expect_rxack;
bool has_errata_A004447;
};
struct mpc_i2c_divider {
@ -136,6 +138,75 @@ static void mpc_i2c_fixup(struct mpc_i2c *i2c)
}
}
static int i2c_mpc_wait_sr(struct mpc_i2c *i2c, int mask)
{
void __iomem *addr = i2c->base + MPC_I2C_SR;
u8 val;
return readb_poll_timeout(addr, val, val & mask, 0, 100);
}
/*
* Workaround for Erratum A004447. From the P2040CE Rev Q
*
* 1. Set up the frequency divider and sampling rate.
* 2. I2CCR - a0h
* 3. Poll for I2CSR[MBB] to get set.
* 4. If I2CSR[MAL] is set (an indication that SDA is stuck low), then go to
* step 5. If MAL is not set, then go to step 13.
* 5. I2CCR - 00h
* 6. I2CCR - 22h
* 7. I2CCR - a2h
* 8. Poll for I2CSR[MBB] to get set.
* 9. Issue read to I2CDR.
* 10. Poll for I2CSR[MIF] to be set.
* 11. I2CCR - 82h
* 12. Workaround complete. Skip the next steps.
* 13. Issue read to I2CDR.
* 14. Poll for I2CSR[MIF] to be set.
* 15. I2CCR - 80h
*/
static void mpc_i2c_fixup_A004447(struct mpc_i2c *i2c)
{
int ret;
u32 val;
writeccr(i2c, CCR_MEN | CCR_MSTA);
ret = i2c_mpc_wait_sr(i2c, CSR_MBB);
if (ret) {
dev_err(i2c->dev, "timeout waiting for CSR_MBB\n");
return;
}
val = readb(i2c->base + MPC_I2C_SR);
if (val & CSR_MAL) {
writeccr(i2c, 0x00);
writeccr(i2c, CCR_MSTA | CCR_RSVD);
writeccr(i2c, CCR_MEN | CCR_MSTA | CCR_RSVD);
ret = i2c_mpc_wait_sr(i2c, CSR_MBB);
if (ret) {
dev_err(i2c->dev, "timeout waiting for CSR_MBB\n");
return;
}
val = readb(i2c->base + MPC_I2C_DR);
ret = i2c_mpc_wait_sr(i2c, CSR_MIF);
if (ret) {
dev_err(i2c->dev, "timeout waiting for CSR_MIF\n");
return;
}
writeccr(i2c, CCR_MEN | CCR_RSVD);
} else {
val = readb(i2c->base + MPC_I2C_DR);
ret = i2c_mpc_wait_sr(i2c, CSR_MIF);
if (ret) {
dev_err(i2c->dev, "timeout waiting for CSR_MIF\n");
return;
}
writeccr(i2c, CCR_MEN);
}
}
#if defined(CONFIG_PPC_MPC52xx) || defined(CONFIG_PPC_MPC512x)
static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
{20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23},
@ -670,7 +741,10 @@ static int fsl_i2c_bus_recovery(struct i2c_adapter *adap)
{
struct mpc_i2c *i2c = i2c_get_adapdata(adap);
mpc_i2c_fixup(i2c);
if (i2c->has_errata_A004447)
mpc_i2c_fixup_A004447(i2c);
else
mpc_i2c_fixup(i2c);
return 0;
}
@ -767,6 +841,9 @@ static int fsl_i2c_probe(struct platform_device *op)
}
dev_info(i2c->dev, "timeout %u us\n", mpc_ops.timeout * 1000000 / HZ);
if (of_property_read_bool(op->dev.of_node, "fsl,i2c-erratum-a004447"))
i2c->has_errata_A004447 = true;
i2c->adap = mpc_ops;
scnprintf(i2c->adap.name, sizeof(i2c->adap.name),
"MPC adapter (%s)", of_node_full_name(op->dev.of_node));

5
drivers/i2c/busses/i2c-mt65xx.c
View File

@ -479,6 +479,11 @@ static void mtk_i2c_clock_disable(struct mtk_i2c *i2c)
static void mtk_i2c_init_hw(struct mtk_i2c *i2c)
{
u16 control_reg;
u16 intr_stat_reg;
mtk_i2c_writew(i2c, I2C_CHN_CLR_FLAG, OFFSET_START);
intr_stat_reg = mtk_i2c_readw(i2c, OFFSET_INTR_STAT);
mtk_i2c_writew(i2c, intr_stat_reg, OFFSET_INTR_STAT);
if (i2c->dev_comp->apdma_sync) {
writel(I2C_DMA_WARM_RST, i2c->pdmabase + OFFSET_RST);

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

@ -159,7 +159,7 @@ struct i2c_nmk_client {
* @clk_freq: clock frequency for the operation mode
* @tft: Tx FIFO Threshold in bytes
* @rft: Rx FIFO Threshold in bytes
* @timeout Slave response timeout (ms)
* @timeout: Slave response timeout (ms)
* @sm: speed mode
* @stop: stop condition.
* @xfer_complete: acknowledge completion for a I2C message.

8
drivers/i2c/busses/i2c-ocores.c
View File

@ -250,7 +250,7 @@ static irqreturn_t ocores_isr(int irq, void *dev_id)
}
/**
* Process timeout event
* ocores_process_timeout() - Process timeout event
* @i2c: ocores I2C device instance
*/
static void ocores_process_timeout(struct ocores_i2c *i2c)
@ -264,7 +264,7 @@ static void ocores_process_timeout(struct ocores_i2c *i2c)
}
/**
* Wait until something change in a given register
* ocores_wait() - Wait until something change in a given register
* @i2c: ocores I2C device instance
* @reg: register to query
* @mask: bitmask to apply on register value
@ -296,7 +296,7 @@ static int ocores_wait(struct ocores_i2c *i2c,
}
/**
* Wait until is possible to process some data
* ocores_poll_wait() - Wait until is possible to process some data
* @i2c: ocores I2C device instance
*
* Used when the device is in polling mode (interrupts disabled).
@ -334,7 +334,7 @@ static int ocores_poll_wait(struct ocores_i2c *i2c)
}
/**
* It handles an IRQ-less transfer
* ocores_process_polling() - It handles an IRQ-less transfer
* @i2c: ocores I2C device instance
*
* Even if IRQ are disabled, the I2C OpenCore IP behavior is exactly the same

8
drivers/i2c/busses/i2c-pnx.c
View File

@ -138,7 +138,7 @@ static inline void i2c_pnx_arm_timer(struct i2c_pnx_algo_data *alg_data)
/**
* i2c_pnx_start - start a device
* @slave_addr: slave address
* @adap: pointer to adapter structure
* @alg_data: pointer to local driver data structure
*
* Generate a START signal in the desired mode.
*/
@ -194,7 +194,7 @@ static int i2c_pnx_start(unsigned char slave_addr,
/**
* i2c_pnx_stop - stop a device
* @adap: pointer to I2C adapter structure
* @alg_data: pointer to local driver data structure
*
* Generate a STOP signal to terminate the master transaction.
*/
@ -223,7 +223,7 @@ static void i2c_pnx_stop(struct i2c_pnx_algo_data *alg_data)
/**
* i2c_pnx_master_xmit - transmit data to slave
* @adap: pointer to I2C adapter structure
* @alg_data: pointer to local driver data structure
*
* Sends one byte of data to the slave
*/
@ -293,7 +293,7 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data)
/**
* i2c_pnx_master_rcv - receive data from slave
* @adap: pointer to I2C adapter structure
* @alg_data: pointer to local driver data structure
*
* Reads one byte data from the slave
*/

2
drivers/i2c/busses/i2c-qcom-geni.c
View File

@ -100,7 +100,7 @@ static const struct geni_i2c_err_log gi2c_log[] = {
[GP_IRQ0] = {-EIO, "Unknown I2C err GP_IRQ0"},
[NACK] = {-ENXIO, "NACK: slv unresponsive, check its power/reset-ln"},
[GP_IRQ2] = {-EIO, "Unknown I2C err GP IRQ2"},
[BUS_PROTO] = {-EPROTO, "Bus proto err, noisy/unepxected start/stop"},
[BUS_PROTO] = {-EPROTO, "Bus proto err, noisy/unexpected start/stop"},
[ARB_LOST] = {-EAGAIN, "Bus arbitration lost, clock line undriveable"},
[GP_IRQ5] = {-EIO, "Unknown I2C err GP IRQ5"},
[GENI_OVERRUN] = {-EIO, "Cmd overrun, check GENI cmd-state machine"},

3
drivers/i2c/busses/i2c-s3c2410.c
View File

@ -480,7 +480,10 @@ static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
* forces us to send a new START
* when we change direction
*/
dev_dbg(i2c->dev,
"missing START before write->read\n");
s3c24xx_i2c_stop(i2c, -EINVAL);
break;
}
goto retry_write;

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

@ -807,7 +807,7 @@ static const struct sh_mobile_dt_config r8a7740_dt_config = {
static const struct of_device_id sh_mobile_i2c_dt_ids[] = {
{ .compatible = "renesas,iic-r8a73a4", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a7740", .data = &r8a7740_dt_config },
{ .compatible = "renesas,iic-r8a774c0", .data = &fast_clock_dt_config },
{ .compatible = "renesas,iic-r8a774c0", .data = &v2_freq_calc_dt_config },
{ .compatible = "renesas,iic-r8a7790", .data = &v2_freq_calc_dt_config },
{ .compatible = "renesas,iic-r8a7791", .data = &v2_freq_calc_dt_config },
{ .compatible = "renesas,iic-r8a7792", .data = &v2_freq_calc_dt_config },

4
drivers/i2c/busses/i2c-st.c
View File

@ -524,7 +524,7 @@ static void st_i2c_handle_write(struct st_i2c_dev *i2c_dev)
}
/**
* st_i2c_handle_write() - Handle FIFO enmpty interrupt in case of read
* st_i2c_handle_read() - Handle FIFO empty interrupt in case of read
* @i2c_dev: Controller's private data
*/
static void st_i2c_handle_read(struct st_i2c_dev *i2c_dev)
@ -558,7 +558,7 @@ static void st_i2c_handle_read(struct st_i2c_dev *i2c_dev)
}
/**
* st_i2c_isr() - Interrupt routine
* st_i2c_isr_thread() - Interrupt routine
* @irq: interrupt number
* @data: Controller's private data
*/

2
drivers/i2c/busses/i2c-stm32f4.c
View File

@ -313,7 +313,7 @@ static int stm32f4_i2c_wait_free_bus(struct stm32f4_i2c_dev *i2c_dev)
}
/**
* stm32f4_i2c_write_ byte() - Write a byte in the data register
* stm32f4_i2c_write_byte() - Write a byte in the data register
* @i2c_dev: Controller's private data
* @byte: Data to write in the register
*/

4
drivers/i2c/muxes/i2c-arb-gpio-challenge.c
View File

@ -34,7 +34,7 @@ struct i2c_arbitrator_data {
};
/**
/*
* i2c_arbitrator_select - claim the I2C bus
*
* Use the GPIO-based signalling protocol; return -EBUSY if we fail.
@ -77,7 +77,7 @@ static int i2c_arbitrator_select(struct i2c_mux_core *muxc, u32 chan)
return -EBUSY;
}
/**
/*
* i2c_arbitrator_deselect - release the I2C bus
*
* Release the I2C bus using the GPIO-based signalling protocol.

36
drivers/iio/adc/ad7124.c
View File

@ -771,6 +771,13 @@ static int ad7124_of_parse_channel_config(struct iio_dev *indio_dev,
if (ret)
goto err;
if (channel >= indio_dev->num_channels) {
dev_err(indio_dev->dev.parent,
"Channel index >= number of channels\n");
ret = -EINVAL;
goto err;
}
ret = of_property_read_u32_array(child, "diff-channels",
ain, 2);
if (ret)
@ -850,6 +857,11 @@ static int ad7124_setup(struct ad7124_state *st)
return ret;
}
static void ad7124_reg_disable(void *r)
{
regulator_disable(r);
}
static int ad7124_probe(struct spi_device *spi)
{
const struct ad7124_chip_info *info;
@ -895,17 +907,20 @@ static int ad7124_probe(struct spi_device *spi)
ret = regulator_enable(st->vref[i]);
if (ret)
return ret;
ret = devm_add_action_or_reset(&spi->dev, ad7124_reg_disable,
st->vref[i]);
if (ret)
return ret;
}
st->mclk = devm_clk_get(&spi->dev, "mclk");
if (IS_ERR(st->mclk)) {
ret = PTR_ERR(st->mclk);
goto error_regulator_disable;
}
if (IS_ERR(st->mclk))
return PTR_ERR(st->mclk);
ret = clk_prepare_enable(st->mclk);
if (ret < 0)
goto error_regulator_disable;
return ret;
ret = ad7124_soft_reset(st);
if (ret < 0)
@ -935,11 +950,6 @@ error_remove_trigger:
ad_sd_cleanup_buffer_and_trigger(indio_dev);
error_clk_disable_unprepare:
clk_disable_unprepare(st->mclk);
error_regulator_disable:
for (i = ARRAY_SIZE(st->vref) - 1; i >= 0; i--) {
if (!IS_ERR_OR_NULL(st->vref[i]))
regulator_disable(st->vref[i]);
}
return ret;
}
@ -948,17 +958,11 @@ static int ad7124_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
struct ad7124_state *st = iio_priv(indio_dev);
int i;
iio_device_unregister(indio_dev);
ad_sd_cleanup_buffer_and_trigger(indio_dev);
clk_disable_unprepare(st->mclk);
for (i = ARRAY_SIZE(st->vref) - 1; i >= 0; i--) {
if (!IS_ERR_OR_NULL(st->vref[i]))
regulator_disable(st->vref[i]);
}
return 0;
}

19
drivers/iio/adc/ad7192.c
View File

@ -912,7 +912,7 @@ static int ad7192_probe(struct spi_device *spi)
{
struct ad7192_state *st;
struct iio_dev *indio_dev;
int ret, voltage_uv = 0;
int ret;
if (!spi->irq) {
dev_err(&spi->dev, "no IRQ?\n");
@ -949,15 +949,12 @@ static int ad7192_probe(struct spi_device *spi)
goto error_disable_avdd;
}
voltage_uv = regulator_get_voltage(st->avdd);
if (voltage_uv > 0) {
st->int_vref_mv = voltage_uv / 1000;
} else {
ret = voltage_uv;
ret = regulator_get_voltage(st->avdd);
if (ret < 0) {
dev_err(&spi->dev, "Device tree error, reference voltage undefined\n");
goto error_disable_avdd;
}
st->int_vref_mv = ret / 1000;
spi_set_drvdata(spi, indio_dev);
st->chip_info = of_device_get_match_data(&spi->dev);
@ -1014,7 +1011,9 @@ static int ad7192_probe(struct spi_device *spi)
return 0;
error_disable_clk:
clk_disable_unprepare(st->mclk);
if (st->clock_sel == AD7192_CLK_EXT_MCLK1_2 ||
st->clock_sel == AD7192_CLK_EXT_MCLK2)
clk_disable_unprepare(st->mclk);
error_remove_trigger:
ad_sd_cleanup_buffer_and_trigger(indio_dev);
error_disable_dvdd:
@ -1031,7 +1030,9 @@ static int ad7192_remove(struct spi_device *spi)
struct ad7192_state *st = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
clk_disable_unprepare(st->mclk);
if (st->clock_sel == AD7192_CLK_EXT_MCLK1_2 ||
st->clock_sel == AD7192_CLK_EXT_MCLK2)
clk_disable_unprepare(st->mclk);
ad_sd_cleanup_buffer_and_trigger(indio_dev);
regulator_disable(st->dvdd);

8
drivers/iio/adc/ad7768-1.c
View File

@ -167,6 +167,10 @@ struct ad7768_state {
* transfer buffers to live in their own cache lines.
*/
union {
struct {
__be32 chan;
s64 timestamp;
} scan;
__be32 d32;
u8 d8[2];
} data ____cacheline_aligned;
@ -469,11 +473,11 @@ static irqreturn_t ad7768_trigger_handler(int irq, void *p)
mutex_lock(&st->lock);
ret = spi_read(st->spi, &st->data.d32, 3);
ret = spi_read(st->spi, &st->data.scan.chan, 3);
if (ret < 0)
goto err_unlock;
iio_push_to_buffers_with_timestamp(indio_dev, &st->data.d32,
iio_push_to_buffers_with_timestamp(indio_dev, &st->data.scan,
iio_get_time_ns(indio_dev));
iio_trigger_notify_done(indio_dev->trig);

1
drivers/iio/adc/ad7793.c
View File

@ -279,6 +279,7 @@ static int ad7793_setup(struct iio_dev *indio_dev,
id &= AD7793_ID_MASK;
if (id != st->chip_info->id) {
ret = -ENODEV;
dev_err(&st->sd.spi->dev, "device ID query failed\n");
goto out;
}

4
drivers/iio/adc/ad7923.c
View File

@ -59,8 +59,10 @@ struct ad7923_state {
/*
* DMA (thus cache coherency maintenance) requires the
* transfer buffers to live in their own cache lines.
* Ensure rx_buf can be directly used in iio_push_to_buffers_with_timetamp
* Length = 8 channels + 4 extra for 8 byte timestamp
*/
__be16 rx_buf[4] ____cacheline_aligned;
__be16 rx_buf[12] ____cacheline_aligned;
__be16 tx_buf[4];
};

16
drivers/iio/dac/ad5770r.c
View File

@ -524,23 +524,29 @@ static int ad5770r_channel_config(struct ad5770r_state *st)
device_for_each_child_node(&st->spi->dev, child) {
ret = fwnode_property_read_u32(child, "num", &num);
if (ret)
return ret;
if (num >= AD5770R_MAX_CHANNELS)
return -EINVAL;
goto err_child_out;
if (num >= AD5770R_MAX_CHANNELS) {
ret = -EINVAL;
goto err_child_out;
}
ret = fwnode_property_read_u32_array(child,
"adi,range-microamp",
tmp, 2);
if (ret)
return ret;
goto err_child_out;
min = tmp[0] / 1000;
max = tmp[1] / 1000;
ret = ad5770r_store_output_range(st, min, max, num);
if (ret)
return ret;
goto err_child_out;
}
return 0;
err_child_out:
fwnode_handle_put(child);
return ret;
}

2
drivers/iio/gyro/fxas21002c_core.c
View File

@ -399,6 +399,7 @@ static int fxas21002c_temp_get(struct fxas21002c_data *data, int *val)
ret = regmap_field_read(data->regmap_fields[F_TEMP], &temp);
if (ret < 0) {
dev_err(dev, "failed to read temp: %d\n", ret);
fxas21002c_pm_put(data);
goto data_unlock;
}
@ -432,6 +433,7 @@ static int fxas21002c_axis_get(struct fxas21002c_data *data,
&axis_be, sizeof(axis_be));
if (ret < 0) {
dev_err(dev, "failed to read axis: %d: %d\n", index, ret);
fxas21002c_pm_put(data);
goto data_unlock;
}

4
drivers/infiniband/hw/mlx5/mr.c
View File

@ -743,10 +743,10 @@ int mlx5_mr_cache_init(struct mlx5_ib_dev *dev)
ent->xlt = (1 << ent->order) * sizeof(struct mlx5_mtt) /
MLX5_IB_UMR_OCTOWORD;
ent->access_mode = MLX5_MKC_ACCESS_MODE_MTT;
if ((dev->mdev->profile->mask & MLX5_PROF_MASK_MR_CACHE) &&
if ((dev->mdev->profile.mask & MLX5_PROF_MASK_MR_CACHE) &&
!dev->is_rep && mlx5_core_is_pf(dev->mdev) &&
mlx5_ib_can_load_pas_with_umr(dev, 0))
ent->limit = dev->mdev->profile->mr_cache[i].limit;
ent->limit = dev->mdev->profile.mr_cache[i].limit;
else
ent->limit = 0;
spin_lock_irq(&ent->lock);

4
drivers/interconnect/qcom/bcm-voter.c
View File

@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
* Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.
*/
#include <asm/div64.h>
@ -205,6 +205,7 @@ struct bcm_voter *of_bcm_voter_get(struct device *dev, const char *name)
}
mutex_unlock(&bcm_voter_lock);
of_node_put(node);
return voter;
}
EXPORT_SYMBOL_GPL(of_bcm_voter_get);
@ -362,6 +363,7 @@ static const struct of_device_id bcm_voter_of_match[] = {
{ .compatible = "qcom,bcm-voter" },
{ }
};
MODULE_DEVICE_TABLE(of, bcm_voter_of_match);
static struct platform_driver qcom_icc_bcm_voter_driver = {
.probe = qcom_icc_bcm_voter_probe,

4
drivers/iommu/amd/iommu.c
View File

@ -884,7 +884,7 @@ static inline u64 build_inv_address(u64 address, size_t size)
* The msb-bit must be clear on the address. Just set all the
* lower bits.
*/
address |= 1ull << (msb_diff - 1);
address |= (1ull << msb_diff) - 1;
}
/* Clear bits 11:0 */
@ -1714,6 +1714,8 @@ static void amd_iommu_probe_finalize(struct device *dev)
domain = iommu_get_domain_for_dev(dev);
if (domain->type == IOMMU_DOMAIN_DMA)
iommu_setup_dma_ops(dev, IOVA_START_PFN << PAGE_SHIFT, 0);
else
set_dma_ops(dev, NULL);
}
static void amd_iommu_release_device(struct device *dev)

4
drivers/iommu/intel/dmar.c
View File

@ -1142,7 +1142,7 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
err = iommu_device_register(&iommu->iommu, &intel_iommu_ops, NULL);
if (err)
goto err_unmap;
goto err_sysfs;
}
drhd->iommu = iommu;
@ -1150,6 +1150,8 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd)
return 0;
err_sysfs:
iommu_device_sysfs_remove(&iommu->iommu);
err_unmap:
unmap_iommu(iommu);
error_free_seq_id:

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