AuxXxilium/linux_dsm_epyc7002
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69ebb83e13
linux_dsm_epyc7002/arch/mips
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Huang Ying 69ebb83e13 mm: make __get_user_pages return -EHWPOISON for HWPOISON page optionally 
Make __get_user_pages return -EHWPOISON for HWPOISON page only if
FOLL_HWPOISON is specified.  With this patch, the interested callers
can distinguish HWPOISON pages from general FAULT pages, while other
callers will still get -EFAULT for all these pages, so the user space
interface need not to be changed.

This feature is needed by KVM, where UCR MCE should be relayed to
guest for HWPOISON page, while instruction emulation and MMIO will be
tried for general FAULT page.

The idea comes from Andrew Morton.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
2011-03-17 13:08:27 -03:00
..
alchemy MIPS: Alchemy: Fix reset for MTX-1 and XXS1500 2011-03-14 21:07:28 +01:00
ar7 MIPS: AR7: Fix loops per jiffies on TNETD7200 devices 2010-12-16 18:10:56 +00:00
ath79 MIPS: ath79: add common WMAC device for AR913X based boards 2011-01-18 19:30:28 +01:00
bcm47xx MIPS: BCM47xx: Swap serial console if ttyS1 was specified. 2010-12-16 18:11:00 +00:00
bcm63xx MIPS: Decouple BMIPS CPU support from bcm47xx/bcm63xx SoC code 2010-10-29 19:08:50 +01:00
boot Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/upstream-linus 2010-10-18 13:10:36 -07:00
cavium-octeon MIPS: Add platform device and Kconfig for Octeon USB EHCI / OHCI 2010-10-29 19:08:45 +01:00
cobalt MIPS: Move Cobalt Makefile parts to their own Platform file 2010-08-05 13:25:47 +01:00
configs kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
dec set_rtc_mmss: show warning message only once 2011-01-13 08:03:07 -08:00
emma MIPS: Ritually kill stupid printk. 2010-08-05 13:26:27 +01:00
fw MIPS: IP22: Remove an unused function 2009-12-17 01:56:56 +00:00
include/asm mm: make __get_user_pages return -EHWPOISON for HWPOISON page optionally 2011-03-17 13:08:27 -03:00
jazz MIPS: Add missing #inclusions of <linux/irq.h> 2010-10-07 14:08:54 +01:00
jz4740 Merge branch 'master' into for-next 2010-12-22 18:57:02 +01:00
kernel Merge branch 'for-2.6.39' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2011-03-16 08:22:41 -07:00
lasat MIPS: Lasat: Migrate to new platform makefile style. 2010-08-05 13:25:53 +01:00
lib MIPS: Separate two consecutive loads in memset.S 2010-12-16 18:10:57 +00:00
loongson MIPS: Fix always CONFIG_LOONGSON_UART_BASE=y 2011-03-14 21:07:26 +01:00
math-emu MIPS: Fix GCC-4.6 'set but not used' warning in ieee754int.h 2011-03-14 21:07:26 +01:00
mipssim MIPS: MIPSsim: Migrate to new Platform file 2010-08-05 13:25:45 +01:00
mm MIPS: Fix GCC-4.6 'set but not used' warning in arch/mips/mm/init.c 2011-03-14 21:07:26 +01:00
mti-malta tree-wide: fix comment/printk typos 2010-11-01 15:38:34 -04:00
nxp/pnx8550/common MIPS: PNX8550: Move code one directory level up. 2010-08-05 13:25:56 +01:00
oprofile MIPS: Oprofile: Fixup of loongson2_exit() 2010-07-05 17:17:31 +01:00
pci MIPS: MSP: Fix MSP71xx bpci interrupt handler return value 2011-03-14 21:07:25 +01:00
pmc-sierra MIPS: Select R4K timer lib for all MSP platforms 2011-03-14 21:07:25 +01:00
pnx833x MIPS: Fix gen_nand probe structures contents 2010-08-12 12:22:49 +01:00
pnx8550 MIPS: PNX8550: Sort out machine halt, restart and powerdown functions. 2010-10-04 18:33:57 +01:00
power MIPS: Loongson: Change the Email address of Wu Zhangjin 2010-02-27 12:53:12 +01:00
powertv tree-wide: fix comment/printk typos 2010-11-01 15:38:34 -04:00
rb532 MIPS: Add missing #inclusions of <linux/irq.h> 2010-10-07 14:08:54 +01:00
sgi-ip22 MIPS: IP22, IP28: Migrate to new platform makefile style. 2010-08-05 13:25:49 +01:00
sgi-ip27 MIPS: IP27: Migrate to new Platform file 2010-08-05 13:25:47 +01:00
sgi-ip32 MIPS: IP32: Migrate to new platform makefile style. 2010-08-05 13:25:50 +01:00
sibyte MIPS: Sibyte: Use vzalloc in sbbus profiler 2011-01-18 19:30:21 +01:00
sni MIPS: Add missing #inclusions of <linux/irq.h> 2010-10-07 14:08:54 +01:00
txx9 MIPS: Use printf extension %pR for struct resource 2011-01-18 19:30:21 +01:00
vr41xx MIPS: Add missing #inclusions of <linux/irq.h> 2010-10-07 14:08:54 +01:00
wrppmc MIPS: WRPPMC: Migrate to new platform makefile style. 2010-08-05 13:25:51 +01:00
Kbuild MIPS: Repair Kbuild make clean breakage. 2010-10-19 18:32:39 +01:00
Kbuild.platforms MIPS: Add initial support for the Atheros AR71XX/AR724X/AR931X SoCs 2011-01-18 19:30:24 +01:00
Kconfig MIPS: Jz4740: Add HAVE_CLK 2011-03-14 21:07:27 +01:00
Kconfig.debug kconfig: rename CONFIG_EMBEDDED to CONFIG_EXPERT 2011-01-20 17:02:05 -08:00
Makefile MIPS: Octeon: Apply CN63XXP1 errata workarounds. 2010-10-29 19:08:43 +01:00