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OpenCloudOS-Kernel
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Merge remote-tracking branch 'origin/master' into HEAD 

Several important fixes went in between 3.18-rc1 and 3.18-rc3, so
KVM/x86 work for 3.19 will be based on 3.18-rc3.
This commit is contained in:
Paolo Bonzini 2014-11-03 12:06:21 +01:00
parent f62c95fd40 0df1f2487d
commit 123b2dd10b
504 changed files with 4498 additions and 3917 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/ABI/testing/sysfs-ibft
View File

@ -20,4 +20,4 @@ Date: November 2007
Contact: Konrad Rzeszutek <ketuzsezr@darnok.org>
Description: The /sys/firmware/ibft/ethernetX directory will contain
files that expose the iSCSI Boot Firmware Table NIC data.
This can this can the IP address, MAC, and gateway of the NIC.
Usually this contains the IP address, MAC, and gateway of the NIC.

2
Documentation/DocBook/media/Makefile
View File

@ -25,7 +25,7 @@ GENFILES := $(addprefix $(MEDIA_OBJ_DIR)/, $(MEDIA_TEMP))
PHONY += cleanmediadocs
cleanmediadocs:
-@rm `find $(MEDIA_OBJ_DIR) -type l` $(GENFILES) $(OBJIMGFILES) 2>/dev/null
-@rm -f `find $(MEDIA_OBJ_DIR) -type l` $(GENFILES) $(OBJIMGFILES) 2>/dev/null
$(obj)/media_api.xml: $(GENFILES) FORCE

4
Documentation/DocBook/media/v4l/compat.xml
View File

@ -2566,6 +2566,10 @@ fields changed from _s32 to _u32.
<para>Added compound control types and &VIDIOC-QUERY-EXT-CTRL;.
</para>
</listitem>
</orderedlist>
</section>
<section>
<title>V4L2 in Linux 3.18</title>
<orderedlist>
<listitem>

1
Documentation/HOWTO
View File

@ -324,7 +324,6 @@ tree, they need to be integration-tested. For this purpose, a special
testing repository exists into which virtually all subsystem trees are
pulled on an almost daily basis:
http://git.kernel.org/?p=linux/kernel/git/next/linux-next.git
http://linux.f-seidel.de/linux-next/pmwiki/
This way, the -next kernel gives a summary outlook onto what will be
expected to go into the mainline kernel at the next merge period.

10
Documentation/SubmittingPatches
View File

@ -483,12 +483,10 @@ have been included in the discussion
14) Using Reported-by:, Tested-by:, Reviewed-by:, Suggested-by: and Fixes:
If this patch fixes a problem reported by somebody else, consider adding a
Reported-by: tag to credit the reporter for their contribution. Please
note that this tag should not be added without the reporter's permission,
especially if the problem was not reported in a public forum. That said,
if we diligently credit our bug reporters, they will, hopefully, be
inspired to help us again in the future.
The Reported-by tag gives credit to people who find bugs and report them and it
hopefully inspires them to help us again in the future. Please note that if
the bug was reported in private, then ask for permission first before using the
Reported-by tag.
A Tested-by: tag indicates that the patch has been successfully tested (in
some environment) by the person named. This tag informs maintainers that

4
Documentation/development-process/2.Process
View File

@ -289,10 +289,6 @@ lists when they are assembled; they can be downloaded from:
http://www.kernel.org/pub/linux/kernel/next/
Some information about linux-next has been gathered at:
http://linux.f-seidel.de/linux-next/pmwiki/
Linux-next has become an integral part of the kernel development process;
all patches merged during a given merge window should really have found
their way into linux-next some time before the merge window opens.

4
Documentation/development-process/8.Conclusion
View File

@ -22,10 +22,6 @@ Beyond that, a valuable resource for kernel developers is:
http://kernelnewbies.org/
Information about the linux-next tree gathers at:
http://linux.f-seidel.de/linux-next/pmwiki/
And, of course, one should not forget http://kernel.org/, the definitive
location for kernel release information.

2
Documentation/devicetree/bindings/net/smsc-lan91c111.txt
View File

@ -11,3 +11,5 @@ Optional properties:
are supported on the device. Valid value for SMSC LAN91c111 are
1, 2 or 4. If it's omitted or invalid, the size would be 2 meaning
16-bit access only.
- power-gpios: GPIO to control the PWRDWN pin
- reset-gpios: GPIO to control the RESET pin

10
Documentation/devicetree/bindings/sound/sgtl5000.txt
View File

@ -7,10 +7,20 @@ Required properties:
- clocks : the clock provider of SYS_MCLK
- VDDA-supply : the regulator provider of VDDA
- VDDIO-supply: the regulator provider of VDDIO
Optional properties:
- VDDD-supply : the regulator provider of VDDD
Example:
codec: sgtl5000@0a {
compatible = "fsl,sgtl5000";
reg = <0x0a>;
clocks = <&clks 150>;
VDDA-supply = <&reg_3p3v>;
VDDIO-supply = <&reg_3p3v>;
};

3
Documentation/devicetree/bindings/submitting-patches.txt
View File

@ -12,6 +12,9 @@ I. For patch submitters
devicetree@vger.kernel.org
3) The Documentation/ portion of the patch should come in the series before
the code implementing the binding.
II. For kernel maintainers
1) If you aren't comfortable reviewing a given binding, reply to it and ask

16
Documentation/kernel-parameters.txt
View File

@ -1264,7 +1264,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
i8042.noloop [HW] Disable the AUX Loopback command while probing
for the AUX port
i8042.nomux [HW] Don't check presence of an active multiplexing
controller. Default: true.
controller
i8042.nopnp [HW] Don't use ACPIPnP / PnPBIOS to discover KBD/AUX
controllers
i8042.notimeout [HW] Ignore timeout condition signalled by controller
@ -1307,6 +1307,18 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
.cdrom .chs .ignore_cable are additional options
See Documentation/ide/ide.txt.
ide-generic.probe-mask= [HW] (E)IDE subsystem
Format: <int>
Probe mask for legacy ISA IDE ports. Depending on
platform up to 6 ports are supported, enabled by
setting corresponding bits in the mask to 1. The
default value is 0x0, which has a special meaning.
On systems that have PCI, it triggers scanning the
PCI bus for the first and the second port, which
are then probed. On systems without PCI the value
of 0x0 enables probing the two first ports as if it
was 0x3.
ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem
Claim all unknown PCI IDE storage controllers.
@ -1587,6 +1599,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
kmemleak= [KNL] Boot-time kmemleak enable/disable
Valid arguments: on, off
Default: on
Built with CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y,
the default is off.
kmemcheck= [X86] Boot-time kmemcheck enable/disable/one-shot mode
Valid arguments: 0, 1, 2

4
Documentation/kmemleak.txt
View File

@ -62,6 +62,10 @@ Memory may be allocated or freed before kmemleak is initialised and
these actions are stored in an early log buffer. The size of this buffer
is configured via the CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE option.
If CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF are enabled, the kmemleak is
disabled by default. Passing "kmemleak=on" on the kernel command
line enables the function.
Basic Algorithm
---------------

2
Documentation/prctl/Makefile
View File

@ -1,5 +1,5 @@
# List of programs to build
hostprogs-y := disable-tsc-ctxt-sw-stress-test disable-tsc-on-off-stress-test disable-tsc-test
hostprogs-$(CONFIG_X86) := disable-tsc-ctxt-sw-stress-test disable-tsc-on-off-stress-test disable-tsc-test
# Tell kbuild to always build the programs
always := $(hostprogs-y)

33
Documentation/ptp/testptp.mk Normal file
View File

@ -0,0 +1,33 @@
# PTP 1588 clock support - User space test program
#
# Copyright (C) 2010 OMICRON electronics GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
CC = $(CROSS_COMPILE)gcc
INC = -I$(KBUILD_OUTPUT)/usr/include
CFLAGS = -Wall $(INC)
LDLIBS = -lrt
PROGS = testptp
all: $(PROGS)
testptp: testptp.o
clean:
rm -f testptp.o
distclean: clean
rm -f $(PROGS)

3
Documentation/vDSO/Makefile
View File

@ -10,3 +10,6 @@ always := $(hostprogs-y)
HOSTCFLAGS := -I$(objtree)/usr/include -std=gnu99
HOSTCFLAGS_vdso_standalone_test_x86.o := -fno-asynchronous-unwind-tables -fno-stack-protector
HOSTLOADLIBES_vdso_standalone_test_x86 := -nostdlib
ifeq ($(CONFIG_X86_32),y)
HOSTLOADLIBES_vdso_standalone_test_x86 += -lgcc_s
endif

2
Documentation/vDSO/vdso_standalone_test_x86.c
View File

@ -63,7 +63,7 @@ static inline void linux_exit(int code)
x86_syscall3(__NR_exit, code, 0, 0);
}
void to_base10(char *lastdig, uint64_t n)
void to_base10(char *lastdig, time_t n)
{
while (n) {
*lastdig = (n % 10) + '0';

2
Documentation/vm/hugetlbpage.txt
View File

@ -274,7 +274,7 @@ This command mounts a (pseudo) filesystem of type hugetlbfs on the directory
/mnt/huge. Any files created on /mnt/huge uses huge pages. The uid and gid
options sets the owner and group of the root of the file system. By default
the uid and gid of the current process are taken. The mode option sets the
mode of root of file system to value & 0777. This value is given in octal.
mode of root of file system to value & 01777. This value is given in octal.
By default the value 0755 is picked. The size option sets the maximum value of
memory (huge pages) allowed for that filesystem (/mnt/huge). The size is
rounded down to HPAGE_SIZE. The option nr_inodes sets the maximum number of

11
MAINTAINERS
View File

@ -4312,8 +4312,10 @@ F: Documentation/blockdev/cpqarray.txt
F: drivers/block/cpqarray.*
HEWLETT-PACKARD SMART ARRAY RAID DRIVER (hpsa)
M: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
M: Don Brace <don.brace@pmcs.com>
L: iss_storagedev@hp.com
L: storagedev@pmcs.com
L: linux-scsi@vger.kernel.org
S: Supported
F: Documentation/scsi/hpsa.txt
F: drivers/scsi/hpsa*.[ch]
@ -4321,8 +4323,10 @@ F: include/linux/cciss*.h
F: include/uapi/linux/cciss*.h
HEWLETT-PACKARD SMART CISS RAID DRIVER (cciss)
M: Mike Miller <mike.miller@hp.com>
M: Don Brace <don.brace@pmcs.com>
L: iss_storagedev@hp.com
L: storagedev@pmcs.com
L: linux-scsi@vger.kernel.org
S: Supported
F: Documentation/blockdev/cciss.txt
F: drivers/block/cciss*
@ -4608,7 +4612,7 @@ S: Supported
F: drivers/crypto/nx/
IBM Power 842 compression accelerator
M: Nathan Fontenot <nfont@linux.vnet.ibm.com>
M: Dan Streetman <ddstreet@us.ibm.com>
S: Supported
F: drivers/crypto/nx/nx-842.c
F: include/linux/nx842.h
@ -9606,7 +9610,6 @@ F: drivers/staging/unisys/
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER
M: Vinayak Holikatti <vinholikatti@gmail.com>
M: Santosh Y <santoshsy@gmail.com>
L: linux-scsi@vger.kernel.org
S: Supported
F: Documentation/scsi/ufs.txt

4
Makefile
View File

@ -1,8 +1,8 @@
VERSION = 3
PATCHLEVEL = 18
SUBLEVEL = 0
EXTRAVERSION = -rc2
NAME = Shuffling Zombie Juror
EXTRAVERSION = -rc3
NAME = Diseased Newt
# *DOCUMENTATION*
# To see a list of typical targets execute "make help"

2
arch/arm/boot/dts/omap3-n900.dts
View File

@ -668,6 +668,8 @@
bank-width = <2>;
pinctrl-names = "default";
pinctrl-0 = <&ethernet_pins>;
power-gpios = <&gpio3 22 GPIO_ACTIVE_HIGH>; /* gpio86 */
reset-gpios = <&gpio6 4 GPIO_ACTIVE_HIGH>; /* gpio164 */
gpmc,device-width = <2>;
gpmc,sync-clk-ps = <0>;
gpmc,cs-on-ns = <0>;

1
arch/arm/include/uapi/asm/unistd.h
View File

@ -412,6 +412,7 @@
#define __NR_seccomp (__NR_SYSCALL_BASE+383)
#define __NR_getrandom (__NR_SYSCALL_BASE+384)
#define __NR_memfd_create (__NR_SYSCALL_BASE+385)
#define __NR_bpf (__NR_SYSCALL_BASE+386)
/*
* The following SWIs are ARM private.

12
arch/arm/kernel/asm-offsets.c
View File

@ -10,6 +10,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/compiler.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/dma-mapping.h>
@ -39,10 +40,19 @@
* GCC 3.2.x: miscompiles NEW_AUX_ENT in fs/binfmt_elf.c
* (http://gcc.gnu.org/PR8896) and incorrect structure
* initialisation in fs/jffs2/erase.c
* GCC 4.8.0-4.8.2: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58854
* miscompiles find_get_entry(), and can result in EXT3 and EXT4
* filesystem corruption (possibly other FS too).
*/
#ifdef __GNUC__
#if (__GNUC__ == 3 && __GNUC_MINOR__ < 3)
#error Your compiler is too buggy; it is known to miscompile kernels.
#error Known good compilers: 3.3
#error Known good compilers: 3.3, 4.x
#endif
#if GCC_VERSION >= 40800 && GCC_VERSION < 40803
#error Your compiler is too buggy; it is known to miscompile kernels
#error and result in filesystem corruption and oopses.
#endif
#endif
int main(void)

1
arch/arm/kernel/calls.S
View File

@ -395,6 +395,7 @@
CALL(sys_seccomp)
CALL(sys_getrandom)
/* 385 */ CALL(sys_memfd_create)
CALL(sys_bpf)
#ifndef syscalls_counted
.equ syscalls_padding, ((NR_syscalls + 3) & ~3) - NR_syscalls
#define syscalls_counted

3
arch/arm/mach-omap2/pdata-quirks.c
View File

@ -252,9 +252,6 @@ static void __init nokia_n900_legacy_init(void)
platform_device_register(&omap3_rom_rng_device);
}
/* Only on some development boards */
gpio_request_one(164, GPIOF_OUT_INIT_LOW, "smc91x reset");
}
static void __init omap3_tao3530_legacy_init(void)

26
arch/arm/mm/cache-l2x0.c
View File

@ -956,7 +956,7 @@ static u32 cache_id_part_number_from_dt;
* @associativity: variable to return the calculated associativity in
* @max_way_size: the maximum size in bytes for the cache ways
*/
static void __init l2x0_cache_size_of_parse(const struct device_node *np,
static int __init l2x0_cache_size_of_parse(const struct device_node *np,
u32 *aux_val, u32 *aux_mask,
u32 *associativity,
u32 max_way_size)
@ -974,7 +974,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np,
of_property_read_u32(np, "cache-line-size", &line_size);
if (!cache_size || !sets)
return;
return -ENODEV;
/* All these l2 caches have the same line = block size actually */
if (!line_size) {
@ -1009,7 +1009,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np,
if (way_size > max_way_size) {
pr_err("L2C OF: set size %dKB is too large\n", way_size);
return;
return -EINVAL;
}
pr_info("L2C OF: override cache size: %d bytes (%dKB)\n",
@ -1027,7 +1027,7 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np,
if (way_size_bits < 1 || way_size_bits > 6) {
pr_err("L2C OF: cache way size illegal: %dKB is not mapped\n",
way_size);
return;
return -EINVAL;
}
mask |= L2C_AUX_CTRL_WAY_SIZE_MASK;
@ -1036,6 +1036,8 @@ static void __init l2x0_cache_size_of_parse(const struct device_node *np,
*aux_val &= ~mask;
*aux_val |= val;
*aux_mask &= ~mask;
return 0;
}
static void __init l2x0_of_parse(const struct device_node *np,
@ -1046,6 +1048,7 @@ static void __init l2x0_of_parse(const struct device_node *np,
u32 dirty = 0;
u32 val = 0, mask = 0;
u32 assoc;
int ret;
of_property_read_u32(np, "arm,tag-latency", &tag);
if (tag) {
@ -1068,7 +1071,10 @@ static void __init l2x0_of_parse(const struct device_node *np,
val |= (dirty - 1) << L2X0_AUX_CTRL_DIRTY_LATENCY_SHIFT;
}
l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_256K);
ret = l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_256K);
if (ret)
return;
if (assoc > 8) {
pr_err("l2x0 of: cache setting yield too high associativity\n");
pr_err("l2x0 of: %d calculated, max 8\n", assoc);
@ -1125,6 +1131,7 @@ static void __init l2c310_of_parse(const struct device_node *np,
u32 tag[3] = { 0, 0, 0 };
u32 filter[2] = { 0, 0 };
u32 assoc;
int ret;
of_property_read_u32_array(np, "arm,tag-latency", tag, ARRAY_SIZE(tag));
if (tag[0] && tag[1] && tag[2])
@ -1152,7 +1159,10 @@ static void __init l2c310_of_parse(const struct device_node *np,
l2x0_base + L310_ADDR_FILTER_START);
}
l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_512K);
ret = l2x0_cache_size_of_parse(np, aux_val, aux_mask, &assoc, SZ_512K);
if (ret)
return;
switch (assoc) {
case 16:
*aux_val &= ~L2X0_AUX_CTRL_ASSOC_MASK;
@ -1164,8 +1174,8 @@ static void __init l2c310_of_parse(const struct device_node *np,
*aux_mask &= ~L2X0_AUX_CTRL_ASSOC_MASK;
break;
default:
pr_err("PL310 OF: cache setting yield illegal associativity\n");
pr_err("PL310 OF: %d calculated, only 8 and 16 legal\n", assoc);
pr_err("L2C-310 OF cache associativity %d invalid, only 8 or 16 permitted\n",
assoc);
break;
}
}

1
arch/arm/mm/dma-mapping.c
View File

@ -1198,7 +1198,6 @@ __iommu_alloc_remap(struct page **pages, size_t size, gfp_t gfp, pgprot_t prot,
{
return dma_common_pages_remap(pages, size,
VM_ARM_DMA_CONSISTENT | VM_USERMAP, prot, caller);
return NULL;
}
/*

3
arch/arm/mm/highmem.c
View File

@ -127,8 +127,11 @@ void *kmap_atomic_pfn(unsigned long pfn)
{
unsigned long vaddr;
int idx, type;
struct page *page = pfn_to_page(pfn);
pagefault_disable();
if (!PageHighMem(page))
return page_address(page);
type = kmap_atomic_idx_push();
idx = type + KM_TYPE_NR * smp_processor_id();

8
arch/arm/mm/init.c
View File

@ -559,10 +559,10 @@ void __init mem_init(void)
#ifdef CONFIG_MODULES
" modules : 0x%08lx - 0x%08lx (%4ld MB)\n"
#endif
" .text : 0x%p" " - 0x%p" " (%4d kB)\n"
" .init : 0x%p" " - 0x%p" " (%4d kB)\n"
" .data : 0x%p" " - 0x%p" " (%4d kB)\n"
" .bss : 0x%p" " - 0x%p" " (%4d kB)\n",
" .text : 0x%p" " - 0x%p" " (%4td kB)\n"
" .init : 0x%p" " - 0x%p" " (%4td kB)\n"
" .data : 0x%p" " - 0x%p" " (%4td kB)\n"
" .bss : 0x%p" " - 0x%p" " (%4td kB)\n",
MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) +
(PAGE_SIZE)),

4
arch/microblaze/Kconfig
View File

@ -129,6 +129,10 @@ endmenu
menu "Kernel features"
config NR_CPUS
int
default "1"
config ADVANCED_OPTIONS
bool "Prompt for advanced kernel configuration options"
help

2
arch/microblaze/include/asm/unistd.h
View File

@ -38,6 +38,6 @@
#endif /* __ASSEMBLY__ */
#define __NR_syscalls 387
#define __NR_syscalls 388
#endif /* _ASM_MICROBLAZE_UNISTD_H */

1
arch/microblaze/include/uapi/asm/unistd.h
View File

@ -402,5 +402,6 @@
#define __NR_seccomp 384
#define __NR_getrandom 385
#define __NR_memfd_create 386
#define __NR_bpf 387
#endif /* _UAPI_ASM_MICROBLAZE_UNISTD_H */

1
arch/microblaze/kernel/syscall_table.S
View File

@ -387,3 +387,4 @@ ENTRY(sys_call_table)
.long sys_seccomp
.long sys_getrandom /* 385 */
.long sys_memfd_create
.long sys_bpf

9
arch/microblaze/pci/pci-common.c
View File

@ -660,8 +660,13 @@ void pci_process_bridge_OF_ranges(struct pci_controller *hose,
res = &hose->mem_resources[memno++];
break;
}
if (res != NULL)
of_pci_range_to_resource(&range, dev, res);
if (res != NULL) {
res->name = dev->full_name;
res->flags = range.flags;
res->start = range.cpu_addr;
res->end = range.cpu_addr + range.size - 1;
res->parent = res->child = res->sibling = NULL;
}
}
/* If there's an ISA hole and the pci_mem_offset is -not- matching

2
arch/powerpc/include/asm/hugetlb.h
View File

@ -71,7 +71,7 @@ pte_t *huge_pte_offset_and_shift(struct mm_struct *mm,
void flush_dcache_icache_hugepage(struct page *page);
#if defined(CONFIG_PPC_MM_SLICES) || defined(CONFIG_PPC_SUBPAGE_PROT)
#if defined(CONFIG_PPC_MM_SLICES)
int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
unsigned long len);
#else

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

@ -365,3 +365,4 @@ SYSCALL_SPU(renameat2)
SYSCALL_SPU(seccomp)
SYSCALL_SPU(getrandom)
SYSCALL_SPU(memfd_create)
SYSCALL_SPU(bpf)

2
arch/powerpc/include/asm/unistd.h
View File

@ -12,7 +12,7 @@
#include <uapi/asm/unistd.h>
#define __NR_syscalls 361
#define __NR_syscalls 362
#define __NR__exit __NR_exit
#define NR_syscalls __NR_syscalls

1
arch/powerpc/include/uapi/asm/unistd.h
View File

@ -383,5 +383,6 @@
#define __NR_seccomp 358
#define __NR_getrandom 359
#define __NR_memfd_create 360
#define __NR_bpf 361
#endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */

3
arch/powerpc/mm/copro_fault.c
View File

@ -99,8 +99,6 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb)
u64 vsid;
int psize, ssize;
slb->esid = (ea & ESID_MASK) | SLB_ESID_V;
switch (REGION_ID(ea)) {
case USER_REGION_ID:
pr_devel("%s: 0x%llx -- USER_REGION_ID\n", __func__, ea);
@ -133,6 +131,7 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb)
vsid |= mmu_psize_defs[psize].sllp |
((ssize == MMU_SEGSIZE_1T) ? SLB_VSID_B_1T : 0);
slb->esid = (ea & (ssize == MMU_SEGSIZE_1T ? ESID_MASK_1T : ESID_MASK)) | SLB_ESID_V;
slb->vsid = vsid;
return 0;

7
arch/powerpc/mm/numa.c
View File

@ -1509,11 +1509,14 @@ static int update_cpu_topology(void *data)
cpu = smp_processor_id();
for (update = data; update; update = update->next) {
int new_nid = update->new_nid;
if (cpu != update->cpu)
continue;
unmap_cpu_from_node(update->cpu);
map_cpu_to_node(update->cpu, update->new_nid);
unmap_cpu_from_node(cpu);
map_cpu_to_node(cpu, new_nid);
set_cpu_numa_node(cpu, new_nid);
set_cpu_numa_mem(cpu, local_memory_node(new_nid));
vdso_getcpu_init();
}

3
arch/powerpc/mm/slice.c
View File

@ -682,6 +682,7 @@ void slice_set_range_psize(struct mm_struct *mm, unsigned long start,
slice_convert(mm, mask, psize);
}
#ifdef CONFIG_HUGETLB_PAGE
/*
* is_hugepage_only_range() is used by generic code to verify whether
* a normal mmap mapping (non hugetlbfs) is valid on a given area.
@ -726,4 +727,4 @@ int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
#endif
return !slice_check_fit(mask, available);
}
#endif

6
arch/powerpc/perf/hv-24x7.c
View File

@ -417,11 +417,6 @@ static int h_24x7_event_add(struct perf_event *event, int flags)
return 0;
}
static int h_24x7_event_idx(struct perf_event *event)
{
return 0;
}
static struct pmu h_24x7_pmu = {
.task_ctx_nr = perf_invalid_context,
@ -433,7 +428,6 @@ static struct pmu h_24x7_pmu = {
.start = h_24x7_event_start,
.stop = h_24x7_event_stop,
.read = h_24x7_event_update,
.event_idx = h_24x7_event_idx,
};
static int hv_24x7_init(void)

6
arch/powerpc/perf/hv-gpci.c
View File

@ -246,11 +246,6 @@ static int h_gpci_event_init(struct perf_event *event)
return 0;
}
static int h_gpci_event_idx(struct perf_event *event)
{
return 0;
}
static struct pmu h_gpci_pmu = {
.task_ctx_nr = perf_invalid_context,
@ -262,7 +257,6 @@ static struct pmu h_gpci_pmu = {
.start = h_gpci_event_start,
.stop = h_gpci_event_stop,
.read = h_gpci_event_update,
.event_idx = h_gpci_event_idx,
};
static int hv_gpci_init(void)

4
arch/powerpc/platforms/powernv/opal-lpc.c
View File

@ -191,7 +191,6 @@ static ssize_t lpc_debug_read(struct file *filp, char __user *ubuf,
{
struct lpc_debugfs_entry *lpc = filp->private_data;
u32 data, pos, len, todo;
__be32 bedata;
int rc;
if (!access_ok(VERIFY_WRITE, ubuf, count))
@ -214,10 +213,9 @@ static ssize_t lpc_debug_read(struct file *filp, char __user *ubuf,
len = 2;
}
rc = opal_lpc_read(opal_lpc_chip_id, lpc->lpc_type, pos,
&bedata, len);
&data, len);
if (rc)
return -ENXIO;
data = be32_to_cpu(bedata);
switch(len) {
case 4:
rc = __put_user((u32)data, (u32 __user *)ubuf);

2
arch/powerpc/platforms/powernv/opal-wrappers.S
View File

@ -58,7 +58,7 @@ END_FTR_SECTION(0, 1); \
*/
#define OPAL_CALL(name, token) \
_GLOBAL(name); \
_GLOBAL_TOC(name); \
mflr r0; \
std r0,16(r1); \
li r0,token; \

6
arch/s390/kernel/perf_cpum_sf.c
View File

@ -1411,11 +1411,6 @@ static void cpumsf_pmu_del(struct perf_event *event, int flags)
perf_pmu_enable(event->pmu);
}
static int cpumsf_pmu_event_idx(struct perf_event *event)
{
return event->hw.idx;
}
CPUMF_EVENT_ATTR(SF, SF_CYCLES_BASIC, PERF_EVENT_CPUM_SF);
CPUMF_EVENT_ATTR(SF, SF_CYCLES_BASIC_DIAG, PERF_EVENT_CPUM_SF_DIAG);
@ -1458,7 +1453,6 @@ static struct pmu cpumf_sampling = {
.stop = cpumsf_pmu_stop,
.read = cpumsf_pmu_read,
.event_idx = cpumsf_pmu_event_idx,
.attr_groups = cpumsf_pmu_attr_groups,
};

6
arch/sh/kernel/cpu/sh3/setup-sh770x.c
View File

@ -118,7 +118,7 @@ static struct plat_sci_port scif0_platform_data = {
};
static struct resource scif0_resources[] = {
DEFINE_RES_MEM(0xfffffe80, 0x100),
DEFINE_RES_MEM(0xfffffe80, 0x10),
DEFINE_RES_IRQ(evt2irq(0x4e0)),
};
@ -143,7 +143,7 @@ static struct plat_sci_port scif1_platform_data = {
};
static struct resource scif1_resources[] = {
DEFINE_RES_MEM(0xa4000150, 0x100),
DEFINE_RES_MEM(0xa4000150, 0x10),
DEFINE_RES_IRQ(evt2irq(0x900)),
};
@ -169,7 +169,7 @@ static struct plat_sci_port scif2_platform_data = {
};
static struct resource scif2_resources[] = {
DEFINE_RES_MEM(0xa4000140, 0x100),
DEFINE_RES_MEM(0xa4000140, 0x10),
DEFINE_RES_IRQ(evt2irq(0x880)),
};

3
arch/sparc/include/uapi/asm/unistd.h
View File

@ -414,8 +414,9 @@
#define __NR_seccomp 346
#define __NR_getrandom 347
#define __NR_memfd_create 348
#define __NR_bpf 349
#define NR_syscalls 349
#define NR_syscalls 350
/* Bitmask values returned from kern_features system call. */
#define KERN_FEATURE_MIXED_MODE_STACK 0x00000001

2
arch/sparc/kernel/systbls_32.S
View File

@ -86,4 +86,4 @@ sys_call_table:
/*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
/*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
/*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create
/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf

4
arch/sparc/kernel/systbls_64.S
View File

@ -87,7 +87,7 @@ sys_call_table32:
/*330*/ .word compat_sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime
.word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
.word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create
.word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
#endif /* CONFIG_COMPAT */
@ -166,4 +166,4 @@ sys_call_table:
/*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime
.word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
.word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create
.word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf

4
arch/x86/Kconfig
View File

@ -142,6 +142,10 @@ config INSTRUCTION_DECODER
def_bool y
depends on KPROBES || PERF_EVENTS || UPROBES
config PERF_EVENTS_INTEL_UNCORE
def_bool y
depends on PERF_EVENTS && SUP_SUP_INTEL && PCI
config OUTPUT_FORMAT
string
default "elf32-i386" if X86_32

2
arch/x86/ia32/ia32entry.S
View File

@ -157,7 +157,7 @@ ENTRY(ia32_sysenter_target)
* ourselves. To save a few cycles, we can check whether
* NT was set instead of doing an unconditional popfq.
*/
testl $X86_EFLAGS_NT,EFLAGS(%rsp) /* saved EFLAGS match cpu */
testl $X86_EFLAGS_NT,EFLAGS-ARGOFFSET(%rsp)
jnz sysenter_fix_flags
sysenter_flags_fixed:

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

@ -105,6 +105,7 @@ static __always_inline bool should_resched(void)
# ifdef CONFIG_CONTEXT_TRACKING
extern asmlinkage void ___preempt_schedule_context(void);
# define __preempt_schedule_context() asm ("call ___preempt_schedule_context")
extern asmlinkage void preempt_schedule_context(void);
# endif
#endif

16
arch/x86/kernel/acpi/boot.c
View File

@ -397,7 +397,7 @@ static int mp_register_gsi(struct device *dev, u32 gsi, int trigger,
/* Don't set up the ACPI SCI because it's already set up */
if (acpi_gbl_FADT.sci_interrupt == gsi)
return gsi;
return mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC);
trigger = trigger == ACPI_EDGE_SENSITIVE ? 0 : 1;
polarity = polarity == ACPI_ACTIVE_HIGH ? 0 : 1;
@ -604,14 +604,18 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
int acpi_gsi_to_irq(u32 gsi, unsigned int *irqp)
{
int irq = mp_map_gsi_to_irq(gsi, IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK);
int irq;
if (irq >= 0) {
if (acpi_irq_model == ACPI_IRQ_MODEL_PIC) {
*irqp = gsi;
} else {
irq = mp_map_gsi_to_irq(gsi,
IOAPIC_MAP_ALLOC | IOAPIC_MAP_CHECK);
if (irq < 0)
return -1;
*irqp = irq;
return 0;
}
return -1;
return 0;
}
EXPORT_SYMBOL_GPL(acpi_gsi_to_irq);

2
arch/x86/kernel/apb_timer.c
View File

@ -185,8 +185,6 @@ static void apbt_setup_irq(struct apbt_dev *adev)
irq_modify_status(adev->irq, 0, IRQ_MOVE_PCNTXT);
irq_set_affinity(adev->irq, cpumask_of(adev->cpu));
/* APB timer irqs are set up as mp_irqs, timer is edge type */
__irq_set_handler(adev->irq, handle_edge_irq, 0, "edge");
}
/* Should be called with per cpu */

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

@ -1297,7 +1297,7 @@ void setup_local_APIC(void)
unsigned int value, queued;
int i, j, acked = 0;
unsigned long long tsc = 0, ntsc;
long long max_loops = cpu_khz;
long long max_loops = cpu_khz ? cpu_khz : 1000000;
if (cpu_has_tsc)
rdtscll(tsc);
@ -1383,7 +1383,7 @@ void setup_local_APIC(void)
break;
}
if (queued) {
if (cpu_has_tsc) {
if (cpu_has_tsc && cpu_khz) {
rdtscll(ntsc);
max_loops = (cpu_khz << 10) - (ntsc - tsc);
} else

7
arch/x86/kernel/cpu/Makefile
View File

@ -39,9 +39,12 @@ obj-$(CONFIG_CPU_SUP_AMD) += perf_event_amd_iommu.o
endif
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_p6.o perf_event_knc.o perf_event_p4.o
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_lbr.o perf_event_intel_ds.o perf_event_intel.o
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_uncore.o perf_event_intel_uncore_snb.o
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_uncore_snbep.o perf_event_intel_uncore_nhmex.o
obj-$(CONFIG_CPU_SUP_INTEL) += perf_event_intel_rapl.o
obj-$(CONFIG_PERF_EVENTS_INTEL_UNCORE) += perf_event_intel_uncore.o \
perf_event_intel_uncore_snb.o \
perf_event_intel_uncore_snbep.o \
perf_event_intel_uncore_nhmex.o
endif

5
arch/x86/kernel/cpu/intel.c
View File

@ -213,12 +213,13 @@ static void intel_workarounds(struct cpuinfo_x86 *c)
{
#ifdef CONFIG_X86_F00F_BUG
/*
* All current models of Pentium and Pentium with MMX technology CPUs
* All models of Pentium and Pentium with MMX technology CPUs
* have the F0 0F bug, which lets nonprivileged users lock up the
* system. Announce that the fault handler will be checking for it.
* The Quark is also family 5, but does not have the same bug.
*/
clear_cpu_bug(c, X86_BUG_F00F);
if (!paravirt_enabled() && c->x86 == 5) {
if (!paravirt_enabled() && c->x86 == 5 && c->x86_model < 9) {
static int f00f_workaround_enabled;
set_cpu_bug(c, X86_BUG_F00F);

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

@ -243,8 +243,9 @@ static bool check_hw_exists(void)
msr_fail:
printk(KERN_CONT "Broken PMU hardware detected, using software events only.\n");
printk(boot_cpu_has(X86_FEATURE_HYPERVISOR) ? KERN_INFO : KERN_ERR
"Failed to access perfctr msr (MSR %x is %Lx)\n", reg, val_new);
printk("%sFailed to access perfctr msr (MSR %x is %Lx)\n",
boot_cpu_has(X86_FEATURE_HYPERVISOR) ? KERN_INFO : KERN_ERR,
reg, val_new);
return false;
}
@ -444,12 +445,6 @@ int x86_pmu_hw_config(struct perf_event *event)
if (event->attr.type == PERF_TYPE_RAW)
event->hw.config |= event->attr.config & X86_RAW_EVENT_MASK;
if (event->attr.sample_period && x86_pmu.limit_period) {
if (x86_pmu.limit_period(event, event->attr.sample_period) >
event->attr.sample_period)
return -EINVAL;
}
return x86_setup_perfctr(event);
}
@ -987,9 +982,6 @@ int x86_perf_event_set_period(struct perf_event *event)
if (left > x86_pmu.max_period)
left = x86_pmu.max_period;
if (x86_pmu.limit_period)
left = x86_pmu.limit_period(event, left);
per_cpu(pmc_prev_left[idx], smp_processor_id()) = left;
/*

1
arch/x86/kernel/cpu/perf_event.h
View File

@ -445,7 +445,6 @@ struct x86_pmu {
struct x86_pmu_quirk *quirks;
int perfctr_second_write;
bool late_ack;
unsigned (*limit_period)(struct perf_event *event, unsigned l);
/*
* sysfs attrs

173
arch/x86/kernel/cpu/perf_event_intel.c
View File

@ -220,15 +220,6 @@ static struct event_constraint intel_hsw_event_constraints[] = {
EVENT_CONSTRAINT_END
};
static struct event_constraint intel_bdw_event_constraints[] = {
FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */
INTEL_EVENT_CONSTRAINT(0xa3, 0x4), /* CYCLE_ACTIVITY.* */
EVENT_CONSTRAINT_END
};
static u64 intel_pmu_event_map(int hw_event)
{
return intel_perfmon_event_map[hw_event];
@ -424,126 +415,6 @@ static __initconst const u64 snb_hw_cache_event_ids
};
static __initconst const u64 hsw_hw_cache_event_ids
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
[PERF_COUNT_HW_CACHE_RESULT_MAX] =
{
[ C(L1D ) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
[ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
[ C(RESULT_MISS) ] = 0x0,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = 0x0,
[ C(RESULT_MISS) ] = 0x0,
},
},
[ C(L1I ) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = 0x0,
[ C(RESULT_MISS) ] = 0x280, /* ICACHE.MISSES */
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = -1,
[ C(RESULT_MISS) ] = -1,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = 0x0,
[ C(RESULT_MISS) ] = 0x0,
},
},
[ C(LL ) ] = {
[ C(OP_READ) ] = {
/* OFFCORE_RESPONSE:ALL_DATA_RD|ALL_CODE_RD */
[ C(RESULT_ACCESS) ] = 0x1b7,
/* OFFCORE_RESPONSE:ALL_DATA_RD|ALL_CODE_RD|SUPPLIER_NONE|
L3_MISS|ANY_SNOOP */
[ C(RESULT_MISS) ] = 0x1b7,
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE:ALL_RFO */
/* OFFCORE_RESPONSE:ALL_RFO|SUPPLIER_NONE|L3_MISS|ANY_SNOOP */
[ C(RESULT_MISS) ] = 0x1b7,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = 0x0,
[ C(RESULT_MISS) ] = 0x0,
},
},
[ C(DTLB) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
[ C(RESULT_MISS) ] = 0x108, /* DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK */
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
[ C(RESULT_MISS) ] = 0x149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = 0x0,
[ C(RESULT_MISS) ] = 0x0,
},
},
[ C(ITLB) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = 0x6085, /* ITLB_MISSES.STLB_HIT */
[ C(RESULT_MISS) ] = 0x185, /* ITLB_MISSES.MISS_CAUSES_A_WALK */
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = -1,
[ C(RESULT_MISS) ] = -1,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = -1,
[ C(RESULT_MISS) ] = -1,
},
},
[ C(BPU ) ] = {
[ C(OP_READ) ] = {
[ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */
[ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = -1,
[ C(RESULT_MISS) ] = -1,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = -1,
[ C(RESULT_MISS) ] = -1,
},
},
};
static __initconst const u64 hsw_hw_cache_extra_regs
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
[PERF_COUNT_HW_CACHE_RESULT_MAX] =
{
[ C(LL ) ] = {
[ C(OP_READ) ] = {
/* OFFCORE_RESPONSE:ALL_DATA_RD|ALL_CODE_RD */
[ C(RESULT_ACCESS) ] = 0x2d5,
/* OFFCORE_RESPONSE:ALL_DATA_RD|ALL_CODE_RD|SUPPLIER_NONE|
L3_MISS|ANY_SNOOP */
[ C(RESULT_MISS) ] = 0x3fbc0202d5ull,
},
[ C(OP_WRITE) ] = {
[ C(RESULT_ACCESS) ] = 0x122, /* OFFCORE_RESPONSE:ALL_RFO */
/* OFFCORE_RESPONSE:ALL_RFO|SUPPLIER_NONE|L3_MISS|ANY_SNOOP */
[ C(RESULT_MISS) ] = 0x3fbc020122ull,
},
[ C(OP_PREFETCH) ] = {
[ C(RESULT_ACCESS) ] = 0x0,
[ C(RESULT_MISS) ] = 0x0,
},
},
};
static __initconst const u64 westmere_hw_cache_event_ids
[PERF_COUNT_HW_CACHE_MAX]
[PERF_COUNT_HW_CACHE_OP_MAX]
@ -2034,24 +1905,6 @@ hsw_get_event_constraints(struct cpu_hw_events *cpuc, struct perf_event *event)
return c;
}
/*
* Broadwell:
* The INST_RETIRED.ALL period always needs to have lowest
* 6bits cleared (BDM57). It shall not use a period smaller
* than 100 (BDM11). We combine the two to enforce
* a min-period of 128.
*/
static unsigned bdw_limit_period(struct perf_event *event, unsigned left)
{
if ((event->hw.config & INTEL_ARCH_EVENT_MASK) ==
X86_CONFIG(.event=0xc0, .umask=0x01)) {
if (left < 128)
left = 128;
left &= ~0x3fu;
}
return left;
}
PMU_FORMAT_ATTR(event, "config:0-7" );
PMU_FORMAT_ATTR(umask, "config:8-15" );
PMU_FORMAT_ATTR(edge, "config:18" );
@ -2692,8 +2545,8 @@ __init int intel_pmu_init(void)
case 69: /* 22nm Haswell ULT */
case 70: /* 22nm Haswell + GT3e (Intel Iris Pro graphics) */
x86_pmu.late_ack = true;
memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids));
memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
memcpy(hw_cache_event_ids, snb_hw_cache_event_ids, sizeof(hw_cache_event_ids));
memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
intel_pmu_lbr_init_snb();
@ -2712,28 +2565,6 @@ __init int intel_pmu_init(void)
pr_cont("Haswell events, ");
break;
case 61: /* 14nm Broadwell Core-M */
x86_pmu.late_ack = true;
memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids));
memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
intel_pmu_lbr_init_snb();
x86_pmu.event_constraints = intel_bdw_event_constraints;
x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints;
x86_pmu.extra_regs = intel_snbep_extra_regs;
x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
/* all extra regs are per-cpu when HT is on */
x86_pmu.er_flags |= ERF_HAS_RSP_1;
x86_pmu.er_flags |= ERF_NO_HT_SHARING;
x86_pmu.hw_config = hsw_hw_config;
x86_pmu.get_event_constraints = hsw_get_event_constraints;
x86_pmu.cpu_events = hsw_events_attrs;
x86_pmu.limit_period = bdw_limit_period;
pr_cont("Broadwell events, ");
break;
default:
switch (x86_pmu.version) {
case 1:

15
arch/x86/kernel/entry_32.S
View File

@ -447,15 +447,14 @@ sysenter_exit:
sysenter_audit:
testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%ebp)
jnz syscall_trace_entry
addl $4,%esp
CFI_ADJUST_CFA_OFFSET -4
movl %esi,4(%esp) /* 5th arg: 4th syscall arg */
movl %edx,(%esp) /* 4th arg: 3rd syscall arg */
/* %ecx already in %ecx 3rd arg: 2nd syscall arg */
movl %ebx,%edx /* 2nd arg: 1st syscall arg */
/* %eax already in %eax 1st arg: syscall number */
/* movl PT_EAX(%esp), %eax already set, syscall number: 1st arg to audit */
movl PT_EBX(%esp), %edx /* ebx/a0: 2nd arg to audit */
/* movl PT_ECX(%esp), %ecx already set, a1: 3nd arg to audit */
pushl_cfi PT_ESI(%esp) /* a3: 5th arg */
pushl_cfi PT_EDX+4(%esp) /* a2: 4th arg */
call __audit_syscall_entry
pushl_cfi %ebx
popl_cfi %ecx /* get that remapped edx off the stack */
popl_cfi %ecx /* get that remapped esi off the stack */
movl PT_EAX(%esp),%eax /* reload syscall number */
jmp sysenter_do_call

3
arch/x86/kernel/i8259.c
View File

@ -111,8 +111,7 @@ static void make_8259A_irq(unsigned int irq)
{
disable_irq_nosync(irq);
io_apic_irqs &= ~(1<<irq);
irq_set_chip_and_handler_name(irq, &i8259A_chip, handle_level_irq,
i8259A_chip.name);
irq_set_chip_and_handler(irq, &i8259A_chip, handle_level_irq);
enable_irq(irq);
}

3
arch/x86/kernel/irqinit.c
View File

@ -70,7 +70,6 @@ int vector_used_by_percpu_irq(unsigned int vector)
void __init init_ISA_irqs(void)
{
struct irq_chip *chip = legacy_pic->chip;
const char *name = chip->name;
int i;
#if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
@ -79,7 +78,7 @@ void __init init_ISA_irqs(void)
legacy_pic->init(0);
for (i = 0; i < nr_legacy_irqs(); i++)
irq_set_chip_and_handler_name(i, chip, handle_level_irq, name);
irq_set_chip_and_handler(i, chip, handle_level_irq);
}
void __init init_IRQ(void)

2
arch/x86/kernel/setup.c
View File

@ -1128,7 +1128,6 @@ void __init setup_arch(char **cmdline_p)
setup_real_mode();
memblock_set_current_limit(get_max_mapped());
dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT);
/*
* NOTE: On x86-32, only from this point on, fixmaps are ready for use.
@ -1159,6 +1158,7 @@ void __init setup_arch(char **cmdline_p)
early_acpi_boot_init();
initmem_init();
dma_contiguous_reserve(max_pfn_mapped << PAGE_SHIFT);
/*
* Reserve memory for crash kernel after SRAT is parsed so that it

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

@ -102,8 +102,6 @@ DEFINE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map);
DEFINE_PER_CPU_SHARED_ALIGNED(struct cpuinfo_x86, cpu_info);
EXPORT_PER_CPU_SYMBOL(cpu_info);
static DEFINE_PER_CPU(struct completion, die_complete);
atomic_t init_deasserted;
/*
@ -1318,6 +1316,8 @@ void cpu_disable_common(void)
fixup_irqs();
}
static DEFINE_PER_CPU(struct completion, die_complete);
int native_cpu_disable(void)
{
int ret;

5
arch/x86/kernel/tsc.c
View File

@ -1166,14 +1166,17 @@ void __init tsc_init(void)
x86_init.timers.tsc_pre_init();
if (!cpu_has_tsc)
if (!cpu_has_tsc) {
setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
return;
}
tsc_khz = x86_platform.calibrate_tsc();
cpu_khz = tsc_khz;
if (!tsc_khz) {
mark_tsc_unstable("could not calculate TSC khz");
setup_clear_cpu_cap(X86_FEATURE_TSC_DEADLINE_TIMER);
return;
}

2
arch/x86/kvm/vmx.c
View File

@ -4579,7 +4579,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu)
vmcs_write32(TPR_THRESHOLD, 0);
}
kvm_vcpu_reload_apic_access_page(vcpu);
kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
if (vmx_vm_has_apicv(vcpu->kvm))
memset(&vmx->pi_desc, 0, sizeof(struct pi_desc));

2
arch/x86/mm/pageattr.c
View File

@ -409,7 +409,7 @@ phys_addr_t slow_virt_to_phys(void *__virt_addr)
psize = page_level_size(level);
pmask = page_level_mask(level);
offset = virt_addr & ~pmask;
phys_addr = pte_pfn(*pte) << PAGE_SHIFT;
phys_addr = (phys_addr_t)pte_pfn(*pte) << PAGE_SHIFT;
return (phys_addr | offset);
}
EXPORT_SYMBOL_GPL(slow_virt_to_phys);

2
arch/x86/platform/intel-mid/sfi.c
View File

@ -106,6 +106,7 @@ int __init sfi_parse_mtmr(struct sfi_table_header *table)
mp_irq.dstapic = MP_APIC_ALL;
mp_irq.dstirq = pentry->irq;
mp_save_irq(&mp_irq);
mp_map_gsi_to_irq(pentry->irq, IOAPIC_MAP_ALLOC);
}
return 0;
@ -176,6 +177,7 @@ int __init sfi_parse_mrtc(struct sfi_table_header *table)
mp_irq.dstapic = MP_APIC_ALL;
mp_irq.dstirq = pentry->irq;
mp_save_irq(&mp_irq);
mp_map_gsi_to_irq(pentry->irq, IOAPIC_MAP_ALLOC);
}
return 0;
}

5
block/blk-merge.c
View File

@ -99,16 +99,17 @@ void blk_recount_segments(struct request_queue *q, struct bio *bio)
{
bool no_sg_merge = !!test_bit(QUEUE_FLAG_NO_SG_MERGE,
&q->queue_flags);
bool merge_not_need = bio->bi_vcnt < queue_max_segments(q);
if (no_sg_merge && !bio_flagged(bio, BIO_CLONED) &&
bio->bi_vcnt < queue_max_segments(q))
merge_not_need)
bio->bi_phys_segments = bio->bi_vcnt;
else {
struct bio *nxt = bio->bi_next;
bio->bi_next = NULL;
bio->bi_phys_segments = __blk_recalc_rq_segments(q, bio,
no_sg_merge);
no_sg_merge && merge_not_need);
bio->bi_next = nxt;
}

4
block/elevator.c
View File

@ -229,7 +229,9 @@ int elevator_init(struct request_queue *q, char *name)
}
err = e->ops.elevator_init_fn(q, e);
return 0;
if (err)
elevator_put(e);
return err;
}
EXPORT_SYMBOL(elevator_init);

3
block/scsi_ioctl.c
View File

@ -508,7 +508,7 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
if (bytes && blk_rq_map_kern(q, rq, buffer, bytes, __GFP_WAIT)) {
err = DRIVER_ERROR << 24;
goto out;
goto error;
}
memset(sense, 0, sizeof(sense));
@ -517,7 +517,6 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode,
blk_execute_rq(q, disk, rq, 0);
out:
err = rq->errors & 0xff; /* only 8 bit SCSI status */
if (err) {
if (rq->sense_len && rq->sense) {

31
drivers/acpi/ec.c
View File

@ -126,6 +126,7 @@ static int EC_FLAGS_MSI; /* Out-of-spec MSI controller */
static int EC_FLAGS_VALIDATE_ECDT; /* ASUStec ECDTs need to be validated */
static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */
static int EC_FLAGS_CLEAR_ON_RESUME; /* Needs acpi_ec_clear() on boot/resume */
static int EC_FLAGS_QUERY_HANDSHAKE; /* Needs QR_EC issued when SCI_EVT set */
/* --------------------------------------------------------------------------
* Transaction Management
@ -236,13 +237,8 @@ static bool advance_transaction(struct acpi_ec *ec)
}
return wakeup;
} else {
/*
* There is firmware refusing to respond QR_EC when SCI_EVT
* is not set, for which case, we complete the QR_EC
* without issuing it to the firmware.
* https://bugzilla.kernel.org/show_bug.cgi?id=86211
*/
if (!(status & ACPI_EC_FLAG_SCI) &&
if (EC_FLAGS_QUERY_HANDSHAKE &&
!(status & ACPI_EC_FLAG_SCI) &&
(t->command == ACPI_EC_COMMAND_QUERY)) {
t->flags |= ACPI_EC_COMMAND_POLL;
t->rdata[t->ri++] = 0x00;
@ -334,13 +330,13 @@ static int acpi_ec_transaction_unlocked(struct acpi_ec *ec,
pr_debug("***** Command(%s) started *****\n",
acpi_ec_cmd_string(t->command));
start_transaction(ec);
spin_unlock_irqrestore(&ec->lock, tmp);
ret = ec_poll(ec);
spin_lock_irqsave(&ec->lock, tmp);
if (ec->curr->command == ACPI_EC_COMMAND_QUERY) {
clear_bit(EC_FLAGS_QUERY_PENDING, &ec->flags);
pr_debug("***** Event stopped *****\n");
}
spin_unlock_irqrestore(&ec->lock, tmp);
ret = ec_poll(ec);
spin_lock_irqsave(&ec->lock, tmp);
pr_debug("***** Command(%s) stopped *****\n",
acpi_ec_cmd_string(t->command));
ec->curr = NULL;
@ -1011,6 +1007,18 @@ static int ec_enlarge_storm_threshold(const struct dmi_system_id *id)
return 0;
}
/*
* Acer EC firmware refuses to respond QR_EC when SCI_EVT is not set, for
* which case, we complete the QR_EC without issuing it to the firmware.
* https://bugzilla.kernel.org/show_bug.cgi?id=86211
*/
static int ec_flag_query_handshake(const struct dmi_system_id *id)
{
pr_debug("Detected the EC firmware requiring QR_EC issued when SCI_EVT set\n");
EC_FLAGS_QUERY_HANDSHAKE = 1;
return 0;
}
/*
* On some hardware it is necessary to clear events accumulated by the EC during
* sleep. These ECs stop reporting GPEs until they are manually polled, if too
@ -1085,6 +1093,9 @@ static struct dmi_system_id ec_dmi_table[] __initdata = {
{
ec_clear_on_resume, "Samsung hardware", {
DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD.")}, NULL},
{
ec_flag_query_handshake, "Acer hardware", {
DMI_MATCH(DMI_SYS_VENDOR, "Acer"), }, NULL},
{},
};

70
drivers/acpi/scan.c
View File

@ -141,6 +141,53 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias,
return len;
}
/*
* acpi_companion_match() - Can we match via ACPI companion device
* @dev: Device in question
*
* Check if the given device has an ACPI companion and if that companion has
* a valid list of PNP IDs, and if the device is the first (primary) physical
* device associated with it.
*
* If multiple physical devices are attached to a single ACPI companion, we need
* to be careful. The usage scenario for this kind of relationship is that all
* of the physical devices in question use resources provided by the ACPI
* companion. A typical case is an MFD device where all the sub-devices share
* the parent's ACPI companion. In such cases we can only allow the primary
* (first) physical device to be matched with the help of the companion's PNP
* IDs.
*
* Additional physical devices sharing the ACPI companion can still use
* resources available from it but they will be matched normally using functions
* provided by their bus types (and analogously for their modalias).
*/
static bool acpi_companion_match(const struct device *dev)
{
struct acpi_device *adev;
bool ret;
adev = ACPI_COMPANION(dev);
if (!adev)
return false;
if (list_empty(&adev->pnp.ids))
return false;
mutex_lock(&adev->physical_node_lock);
if (list_empty(&adev->physical_node_list)) {
ret = false;
} else {
const struct acpi_device_physical_node *node;
node = list_first_entry(&adev->physical_node_list,
struct acpi_device_physical_node, node);
ret = node->dev == dev;
}
mutex_unlock(&adev->physical_node_lock);
return ret;
}
/*
* Creates uevent modalias field for ACPI enumerated devices.
* Because the other buses does not support ACPI HIDs & CIDs.
@ -149,20 +196,14 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias,
*/
int acpi_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env)
{
struct acpi_device *acpi_dev;
int len;
acpi_dev = ACPI_COMPANION(dev);
if (!acpi_dev)
return -ENODEV;
/* Fall back to bus specific way of modalias exporting */
if (list_empty(&acpi_dev->pnp.ids))
if (!acpi_companion_match(dev))
return -ENODEV;
if (add_uevent_var(env, "MODALIAS="))
return -ENOMEM;
len = create_modalias(acpi_dev, &env->buf[env->buflen - 1],
len = create_modalias(ACPI_COMPANION(dev), &env->buf[env->buflen - 1],
sizeof(env->buf) - env->buflen);
if (len <= 0)
return len;
@ -179,18 +220,12 @@ EXPORT_SYMBOL_GPL(acpi_device_uevent_modalias);
*/
int acpi_device_modalias(struct device *dev, char *buf, int size)
{
struct acpi_device *acpi_dev;
int len;
acpi_dev = ACPI_COMPANION(dev);
if (!acpi_dev)
if (!acpi_companion_match(dev))
return -ENODEV;
/* Fall back to bus specific way of modalias exporting */
if (list_empty(&acpi_dev->pnp.ids))
return -ENODEV;
len = create_modalias(acpi_dev, buf, size -1);
len = create_modalias(ACPI_COMPANION(dev), buf, size -1);
if (len <= 0)
return len;
buf[len++] = '\n';
@ -853,6 +888,9 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids,
if (!ids || !handle || acpi_bus_get_device(handle, &adev))
return NULL;
if (!acpi_companion_match(dev))
return NULL;
return __acpi_match_device(adev, ids);
}
EXPORT_SYMBOL_GPL(acpi_match_device);

3
drivers/base/dma-contiguous.c
View File

@ -223,9 +223,10 @@ bool dma_release_from_contiguous(struct device *dev, struct page *pages,
#undef pr_fmt
#define pr_fmt(fmt) fmt
static void rmem_cma_device_init(struct reserved_mem *rmem, struct device *dev)
static int rmem_cma_device_init(struct reserved_mem *rmem, struct device *dev)
{
dev_set_cma_area(dev, rmem->priv);
return 0;
}
static void rmem_cma_device_release(struct reserved_mem *rmem,

2
drivers/base/power/main.c
View File

@ -1266,6 +1266,8 @@ int dpm_suspend_late(pm_message_t state)
}
mutex_unlock(&dpm_list_mtx);
async_synchronize_full();
if (!error)
error = async_error;
if (error) {
suspend_stats.failed_suspend_late++;
dpm_save_failed_step(SUSPEND_SUSPEND_LATE);

5
drivers/bcma/host_pci.c
View File

@ -275,7 +275,7 @@ static SIMPLE_DEV_PM_OPS(bcma_pm_ops, bcma_host_pci_suspend,
static const struct pci_device_id bcma_pci_bridge_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x0576) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4313) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43224) }, /* 0xa8d8 */
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4331) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4353) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) },
@ -285,7 +285,8 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xA8DB */
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */
{ 0, },
};
MODULE_DEVICE_TABLE(pci, bcma_pci_bridge_tbl);

2
drivers/bcma/main.c
View File

@ -132,7 +132,7 @@ static bool bcma_is_core_needed_early(u16 core_id)
return false;
}
#ifdef CONFIG_OF
#if defined(CONFIG_OF) && defined(CONFIG_OF_ADDRESS)
static struct device_node *bcma_of_find_child_device(struct platform_device *parent,
struct bcma_device *core)
{

14
drivers/block/null_blk.c
View File

@ -450,14 +450,10 @@ static int init_driver_queues(struct nullb *nullb)
ret = setup_commands(nq);
if (ret)
goto err_queue;
return ret;
nullb->nr_queues++;
}
return 0;
err_queue:
cleanup_queues(nullb);
return ret;
}
static int null_add_dev(void)
@ -507,7 +503,9 @@ static int null_add_dev(void)
goto out_cleanup_queues;
}
blk_queue_make_request(nullb->q, null_queue_bio);
init_driver_queues(nullb);
rv = init_driver_queues(nullb);
if (rv)
goto out_cleanup_blk_queue;
} else {
nullb->q = blk_init_queue_node(null_request_fn, &nullb->lock, home_node);
if (!nullb->q) {
@ -516,7 +514,9 @@ static int null_add_dev(void)
}
blk_queue_prep_rq(nullb->q, null_rq_prep_fn);
blk_queue_softirq_done(nullb->q, null_softirq_done_fn);
init_driver_queues(nullb);
rv = init_driver_queues(nullb);
if (rv)
goto out_cleanup_blk_queue;
}
nullb->q->queuedata = nullb;

9
drivers/block/sunvdc.c
View File

@ -69,8 +69,6 @@ struct vdc_port {
u8 vdisk_mtype;
char disk_name[32];
struct vio_disk_vtoc label;
};
static inline struct vdc_port *to_vdc_port(struct vio_driver_state *vio)
@ -710,13 +708,6 @@ static int probe_disk(struct vdc_port *port)
if (comp.err)
return comp.err;
err = generic_request(port, VD_OP_GET_VTOC,
&port->label, sizeof(port->label));
if (err < 0) {
printk(KERN_ERR PFX "VD_OP_GET_VTOC returns error %d\n", err);
return err;
}
if (vdc_version_supported(port, 1, 1)) {
/* vdisk_size should be set during the handshake, if it wasn't
* then the underlying disk is reserved by another system

10
drivers/block/zram/zram_drv.c
View File

@ -99,11 +99,12 @@ static ssize_t mem_used_total_show(struct device *dev,
{
u64 val = 0;
struct zram *zram = dev_to_zram(dev);
struct zram_meta *meta = zram->meta;
down_read(&zram->init_lock);
if (init_done(zram))
if (init_done(zram)) {
struct zram_meta *meta = zram->meta;
val = zs_get_total_pages(meta->mem_pool);
}
up_read(&zram->init_lock);
return scnprintf(buf, PAGE_SIZE, "%llu\n", val << PAGE_SHIFT);
@ -173,16 +174,17 @@ static ssize_t mem_used_max_store(struct device *dev,
int err;
unsigned long val;
struct zram *zram = dev_to_zram(dev);
struct zram_meta *meta = zram->meta;
err = kstrtoul(buf, 10, &val);
if (err || val != 0)
return -EINVAL;
down_read(&zram->init_lock);
if (init_done(zram))
if (init_done(zram)) {
struct zram_meta *meta = zram->meta;
atomic_long_set(&zram->stats.max_used_pages,
zs_get_total_pages(meta->mem_pool));
}
up_read(&zram->init_lock);
return len;

2
drivers/char/raw.c
View File

@ -285,7 +285,7 @@ static long raw_ctl_compat_ioctl(struct file *file, unsigned int cmd,
static const struct file_operations raw_fops = {
.read = new_sync_read,
.read_iter = generic_file_read_iter,
.read_iter = blkdev_read_iter,
.write = new_sync_write,
.write_iter = blkdev_write_iter,
.fsync = blkdev_fsync,

6
drivers/clocksource/arm_arch_timer.c
View File

@ -660,11 +660,11 @@ static bool __init
arch_timer_probed(int type, const struct of_device_id *matches)
{
struct device_node *dn;
bool probed = false;
bool probed = true;
dn = of_find_matching_node(NULL, matches);
if (dn && of_device_is_available(dn) && (arch_timers_present & type))
probed = true;
if (dn && of_device_is_available(dn) && !(arch_timers_present & type))
probed = false;
of_node_put(dn);
return probed;

68
drivers/cpufreq/cpufreq-dt.c
View File

@ -187,6 +187,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
struct device *cpu_dev;
struct regulator *cpu_reg;
struct clk *cpu_clk;
unsigned long min_uV = ~0, max_uV = 0;
unsigned int transition_latency;
int ret;
@ -206,16 +207,10 @@ static int cpufreq_init(struct cpufreq_policy *policy)
/* OPPs might be populated at runtime, don't check for error here */
of_init_opp_table(cpu_dev);
ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table);
if (ret) {
dev_err(cpu_dev, "failed to init cpufreq table: %d\n", ret);
goto out_put_node;
}
priv = kzalloc(sizeof(*priv), GFP_KERNEL);
if (!priv) {
ret = -ENOMEM;
goto out_free_table;
goto out_put_node;
}
of_property_read_u32(np, "voltage-tolerance", &priv->voltage_tolerance);
@ -224,30 +219,51 @@ static int cpufreq_init(struct cpufreq_policy *policy)
transition_latency = CPUFREQ_ETERNAL;
if (!IS_ERR(cpu_reg)) {
struct dev_pm_opp *opp;
unsigned long min_uV, max_uV;
int i;
unsigned long opp_freq = 0;
/*
* OPP is maintained in order of increasing frequency, and
* freq_table initialised from OPP is therefore sorted in the
* same order.
* Disable any OPPs where the connected regulator isn't able to
* provide the specified voltage and record minimum and maximum
* voltage levels.
*/
for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++)
;
rcu_read_lock();
opp = dev_pm_opp_find_freq_exact(cpu_dev,
freq_table[0].frequency * 1000, true);
min_uV = dev_pm_opp_get_voltage(opp);
opp = dev_pm_opp_find_freq_exact(cpu_dev,
freq_table[i-1].frequency * 1000, true);
max_uV = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
while (1) {
struct dev_pm_opp *opp;
unsigned long opp_uV, tol_uV;
rcu_read_lock();
opp = dev_pm_opp_find_freq_ceil(cpu_dev, &opp_freq);
if (IS_ERR(opp)) {
rcu_read_unlock();
break;
}
opp_uV = dev_pm_opp_get_voltage(opp);
rcu_read_unlock();
tol_uV = opp_uV * priv->voltage_tolerance / 100;
if (regulator_is_supported_voltage(cpu_reg, opp_uV,
opp_uV + tol_uV)) {
if (opp_uV < min_uV)
min_uV = opp_uV;
if (opp_uV > max_uV)
max_uV = opp_uV;
} else {
dev_pm_opp_disable(cpu_dev, opp_freq);
}
opp_freq++;
}
ret = regulator_set_voltage_time(cpu_reg, min_uV, max_uV);
if (ret > 0)
transition_latency += ret * 1000;
}
ret = dev_pm_opp_init_cpufreq_table(cpu_dev, &freq_table);
if (ret) {
pr_err("failed to init cpufreq table: %d\n", ret);
goto out_free_priv;
}
/*
* For now, just loading the cooling device;
* thermal DT code takes care of matching them.
@ -277,7 +293,7 @@ static int cpufreq_init(struct cpufreq_policy *policy)
policy->cpuinfo.transition_latency = transition_latency;
pd = cpufreq_get_driver_data();
if (pd && !pd->independent_clocks)
if (!pd || !pd->independent_clocks)
cpumask_setall(policy->cpus);
of_node_put(np);
@ -286,9 +302,9 @@ static int cpufreq_init(struct cpufreq_policy *policy)
out_cooling_unregister:
cpufreq_cooling_unregister(priv->cdev);
kfree(priv);
out_free_table:
dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
out_free_priv:
kfree(priv);
out_put_node:
of_node_put(np);
out_put_reg_clk:

2
drivers/edac/cpc925_edac.c
View File

@ -562,7 +562,7 @@ static void cpc925_mc_check(struct mem_ctl_info *mci)
if (apiexcp & UECC_EXCP_DETECTED) {
cpc925_mc_printk(mci, KERN_INFO, "DRAM UECC Fault\n");
edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
pfn, offset, 0,
csrow, -1, -1,
mci->ctl_name, "");

2
drivers/edac/e7xxx_edac.c
View File

@ -226,7 +226,7 @@ static void process_ce(struct mem_ctl_info *mci, struct e7xxx_error_info *info)
static void process_ce_no_info(struct mem_ctl_info *mci)
{
edac_dbg(3, "\n");
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1, 0, 0, 0, -1, -1, -1,
edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1, 0, 0, 0, -1, -1, -1,
"e7xxx CE log register overflow", "");
}

4
drivers/edac/i3200_edac.c
View File

@ -242,11 +242,11 @@ static void i3200_process_error_info(struct mem_ctl_info *mci,
-1, -1,
"i3000 UE", "");
} else if (log & I3200_ECCERRLOG_CE) {
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
0, 0, eccerrlog_syndrome(log),
eccerrlog_row(channel, log),
-1, -1,
"i3000 UE", "");
"i3000 CE", "");
}
}
}

2
drivers/edac/i82860_edac.c
View File

@ -124,7 +124,7 @@ static int i82860_process_error_info(struct mem_ctl_info *mci,
dimm->location[0], dimm->location[1], -1,
"i82860 UE", "");
else
edac_mc_handle_error(HW_EVENT_ERR_UNCORRECTED, mci, 1,
edac_mc_handle_error(HW_EVENT_ERR_CORRECTED, mci, 1,
info->eap, 0, info->derrsyn,
dimm->location[0], dimm->location[1], -1,
"i82860 CE", "");

21
drivers/gpu/drm/armada/armada_crtc.c
View File

@ -260,7 +260,7 @@ static void armada_drm_vblank_off(struct armada_crtc *dcrtc)
* Tell the DRM core that vblank IRQs aren't going to happen for
* a while. This cleans up any pending vblank events for us.
*/
drm_vblank_off(dev, dcrtc->num);
drm_crtc_vblank_off(&dcrtc->crtc);
/* Handle any pending flip event. */
spin_lock_irq(&dev->event_lock);
@ -289,6 +289,8 @@ static void armada_drm_crtc_dpms(struct drm_crtc *crtc, int dpms)
armada_drm_crtc_update(dcrtc);
if (dpms_blanked(dpms))
armada_drm_vblank_off(dcrtc);
else
drm_crtc_vblank_on(&dcrtc->crtc);
}
}
@ -526,7 +528,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc,
/* Wait for pending flips to complete */
wait_event(dcrtc->frame_wait, !dcrtc->frame_work);
drm_vblank_pre_modeset(crtc->dev, dcrtc->num);
drm_crtc_vblank_off(crtc);
crtc->mode = *adj;
@ -617,7 +619,7 @@ static int armada_drm_crtc_mode_set(struct drm_crtc *crtc,
armada_drm_crtc_update(dcrtc);
drm_vblank_post_modeset(crtc->dev, dcrtc->num);
drm_crtc_vblank_on(crtc);
armada_drm_crtc_finish_fb(dcrtc, old_fb, dpms_blanked(dcrtc->dpms));
return 0;
@ -945,18 +947,15 @@ static int armada_drm_crtc_page_flip(struct drm_crtc *crtc,
armada_reg_queue_end(work->regs, i);
/*
* Hold the old framebuffer for the work - DRM appears to drop our
* reference to the old framebuffer in drm_mode_page_flip_ioctl().
* Ensure that we hold a reference on the new framebuffer.
* This has to match the behaviour in mode_set.
*/
drm_framebuffer_reference(work->old_fb);
drm_framebuffer_reference(fb);
ret = armada_drm_crtc_queue_frame_work(dcrtc, work);
if (ret) {
/*
* Undo our reference above; DRM does not drop the reference
* to this object on error, so that's okay.
*/
drm_framebuffer_unreference(work->old_fb);
/* Undo our reference above */
drm_framebuffer_unreference(fb);
kfree(work);
return ret;
}

3
drivers/gpu/drm/armada/armada_drv.c
View File

@ -190,6 +190,7 @@ static int armada_drm_load(struct drm_device *dev, unsigned long flags)
if (ret)
goto err_comp;
dev->irq_enabled = true;
dev->vblank_disable_allowed = 1;
ret = armada_fbdev_init(dev);
@ -331,7 +332,7 @@ static struct drm_driver armada_drm_driver = {
.desc = "Armada SoC DRM",
.date = "20120730",
.driver_features = DRIVER_GEM | DRIVER_MODESET |
DRIVER_PRIME,
DRIVER_HAVE_IRQ | DRIVER_PRIME,
.ioctls = armada_ioctls,
.fops = &armada_drm_fops,
};

5
drivers/gpu/drm/exynos/exynos_dp_core.c
View File

@ -1355,13 +1355,8 @@ static void exynos_dp_unbind(struct device *dev, struct device *master,
void *data)
{
struct exynos_drm_display *display = dev_get_drvdata(dev);
struct exynos_dp_device *dp = display->ctx;
struct drm_encoder *encoder = dp->encoder;
exynos_dp_dpms(display, DRM_MODE_DPMS_OFF);
exynos_dp_connector_destroy(&dp->connector);
encoder->funcs->destroy(encoder);
}
static const struct component_ops exynos_dp_ops = {

5
drivers/gpu/drm/exynos/exynos_drm_crtc.c
View File

@ -71,13 +71,16 @@ static void exynos_drm_crtc_dpms(struct drm_crtc *crtc, int mode)
!atomic_read(&exynos_crtc->pending_flip),
HZ/20))
atomic_set(&exynos_crtc->pending_flip, 0);
drm_vblank_off(crtc->dev, exynos_crtc->pipe);
drm_crtc_vblank_off(crtc);
}
if (manager->ops->dpms)
manager->ops->dpms(manager, mode);
exynos_crtc->dpms = mode;
if (mode == DRM_MODE_DPMS_ON)
drm_crtc_vblank_on(crtc);
}
static void exynos_drm_crtc_prepare(struct drm_crtc *crtc)

4
drivers/gpu/drm/exynos/exynos_drm_dpi.c
View File

@ -338,14 +338,10 @@ err_del_component:
int exynos_dpi_remove(struct device *dev)
{
struct drm_encoder *encoder = exynos_dpi_display.encoder;
struct exynos_dpi *ctx = exynos_dpi_display.ctx;
exynos_dpi_dpms(&exynos_dpi_display, DRM_MODE_DPMS_OFF);
exynos_dpi_connector_destroy(&ctx->connector);
encoder->funcs->destroy(encoder);
if (ctx->panel)
drm_panel_detach(ctx->panel);

43
drivers/gpu/drm/exynos/exynos_drm_drv.c
View File

@ -87,16 +87,12 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
plane = exynos_plane_init(dev, possible_crtcs,
DRM_PLANE_TYPE_OVERLAY);
if (IS_ERR(plane))
goto err_mode_config_cleanup;
}
if (!IS_ERR(plane))
continue;
/* init kms poll for handling hpd */
drm_kms_helper_poll_init(dev);
ret = drm_vblank_init(dev, MAX_CRTC);
if (ret)
ret = PTR_ERR(plane);
goto err_mode_config_cleanup;
}
/* setup possible_clones. */
exynos_drm_encoder_setup(dev);
@ -106,15 +102,16 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
/* Try to bind all sub drivers. */
ret = component_bind_all(dev->dev, dev);
if (ret)
goto err_cleanup_vblank;
goto err_mode_config_cleanup;
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret)
goto err_unbind_all;
/* Probe non kms sub drivers and virtual display driver. */
ret = exynos_drm_device_subdrv_probe(dev);
if (ret)
goto err_unbind_all;
/* force connectors detection */
drm_helper_hpd_irq_event(dev);
goto err_cleanup_vblank;
/*
* enable drm irq mode.
@ -133,12 +130,18 @@ static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
*/
dev->vblank_disable_allowed = true;
/* init kms poll for handling hpd */
drm_kms_helper_poll_init(dev);
/* force connectors detection */
drm_helper_hpd_irq_event(dev);
return 0;
err_unbind_all:
component_unbind_all(dev->dev, dev);
err_cleanup_vblank:
drm_vblank_cleanup(dev);
err_unbind_all:
component_unbind_all(dev->dev, dev);
err_mode_config_cleanup:
drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);
@ -155,8 +158,8 @@ static int exynos_drm_unload(struct drm_device *dev)
exynos_drm_fbdev_fini(dev);
drm_kms_helper_poll_fini(dev);
component_unbind_all(dev->dev, dev);
drm_vblank_cleanup(dev);
component_unbind_all(dev->dev, dev);
drm_mode_config_cleanup(dev);
drm_release_iommu_mapping(dev);
@ -191,8 +194,12 @@ static int exynos_drm_resume(struct drm_device *dev)
drm_modeset_lock_all(dev);
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (connector->funcs->dpms)
connector->funcs->dpms(connector, connector->dpms);
if (connector->funcs->dpms) {
int dpms = connector->dpms;
connector->dpms = DRM_MODE_DPMS_OFF;
connector->funcs->dpms(connector, dpms);
}
}
drm_modeset_unlock_all(dev);

4
drivers/gpu/drm/exynos/exynos_drm_dsi.c
View File

@ -1660,13 +1660,9 @@ static void exynos_dsi_unbind(struct device *dev, struct device *master,
void *data)
{
struct exynos_dsi *dsi = exynos_dsi_display.ctx;
struct drm_encoder *encoder = dsi->encoder;
exynos_dsi_dpms(&exynos_dsi_display, DRM_MODE_DPMS_OFF);
exynos_dsi_connector_destroy(&dsi->connector);
encoder->funcs->destroy(encoder);
mipi_dsi_host_unregister(&dsi->dsi_host);
}

4
drivers/gpu/drm/exynos/exynos_drm_vidi.c
View File

@ -630,7 +630,6 @@ static int vidi_remove(struct platform_device *pdev)
{
struct exynos_drm_manager *mgr = platform_get_drvdata(pdev);
struct vidi_context *ctx = mgr->ctx;
struct drm_encoder *encoder = ctx->encoder;
if (ctx->raw_edid != (struct edid *)fake_edid_info) {
kfree(ctx->raw_edid);
@ -639,9 +638,6 @@ static int vidi_remove(struct platform_device *pdev)
return -EINVAL;
}
encoder->funcs->destroy(encoder);
drm_connector_cleanup(&ctx->connector);
return 0;
}

6
drivers/gpu/drm/exynos/exynos_hdmi.c
View File

@ -2312,12 +2312,6 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data)
static void hdmi_unbind(struct device *dev, struct device *master, void *data)
{
struct exynos_drm_display *display = get_hdmi_display(dev);
struct drm_encoder *encoder = display->encoder;
struct hdmi_context *hdata = display->ctx;
hdmi_connector_destroy(&hdata->connector);
encoder->funcs->destroy(encoder);
}
static const struct component_ops hdmi_component_ops = {

5
drivers/gpu/drm/i915/intel_display.c
View File

@ -4585,7 +4585,7 @@ static void vlv_update_cdclk(struct drm_device *dev)
* BSpec erroneously claims we should aim for 4MHz, but
* in fact 1MHz is the correct frequency.
*/
I915_WRITE(GMBUSFREQ_VLV, dev_priv->vlv_cdclk_freq);
I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->vlv_cdclk_freq, 1000));
}
/* Adjust CDclk dividers to allow high res or save power if possible */
@ -12885,6 +12885,9 @@ static struct intel_quirk intel_quirks[] = {
/* Acer C720 Chromebook (Core i3 4005U) */
{ 0x0a16, 0x1025, 0x0a11, quirk_backlight_present },
/* Apple Macbook 2,1 (Core 2 T7400) */
{ 0x27a2, 0x8086, 0x7270, quirk_backlight_present },
/* Toshiba CB35 Chromebook (Celeron 2955U) */
{ 0x0a06, 0x1179, 0x0a88, quirk_backlight_present },

24
drivers/gpu/drm/i915/intel_dp.c
View File

@ -2806,6 +2806,13 @@ intel_dp_dpcd_read_wake(struct drm_dp_aux *aux, unsigned int offset,
ssize_t ret;
int i;
/*
* Sometime we just get the same incorrect byte repeated
* over the entire buffer. Doing just one throw away read
* initially seems to "solve" it.
*/
drm_dp_dpcd_read(aux, DP_DPCD_REV, buffer, 1);
for (i = 0; i < 3; i++) {
ret = drm_dp_dpcd_read(aux, offset, buffer, size);
if (ret == size)
@ -3724,9 +3731,10 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp)
}
}
/* Training Pattern 3 support */
/* Training Pattern 3 support, both source and sink */
if (intel_dp->dpcd[DP_DPCD_REV] >= 0x12 &&
intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED) {
intel_dp->dpcd[DP_MAX_LANE_COUNT] & DP_TPS3_SUPPORTED &&
(IS_HASWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 8)) {
intel_dp->use_tps3 = true;
DRM_DEBUG_KMS("Displayport TPS3 supported\n");
} else
@ -4491,6 +4499,18 @@ intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
if (intel_dig_port->base.type != INTEL_OUTPUT_EDP)
intel_dig_port->base.type = INTEL_OUTPUT_DISPLAYPORT;
if (long_hpd && intel_dig_port->base.type == INTEL_OUTPUT_EDP) {
/*
* vdd off can generate a long pulse on eDP which
* would require vdd on to handle it, and thus we
* would end up in an endless cycle of
* "vdd off -> long hpd -> vdd on -> detect -> vdd off -> ..."
*/
DRM_DEBUG_KMS("ignoring long hpd on eDP port %c\n",
port_name(intel_dig_port->port));
return false;
}
DRM_DEBUG_KMS("got hpd irq on port %c - %s\n",
port_name(intel_dig_port->port),
long_hpd ? "long" : "short");

4
drivers/gpu/drm/radeon/evergreen.c
View File

@ -3005,7 +3005,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
u32 vgt_cache_invalidation;
u32 hdp_host_path_cntl, tmp;
u32 disabled_rb_mask;
int i, j, num_shader_engines, ps_thread_count;
int i, j, ps_thread_count;
switch (rdev->family) {
case CHIP_CYPRESS:
@ -3303,8 +3303,6 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
rdev->config.evergreen.tile_config |=
((gb_addr_config & 0x30000000) >> 28) << 12;
num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1;
if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
u32 efuse_straps_4;
u32 efuse_straps_3;

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