android_kernel_oneplus_msm8998/arch
Andy Lutomirski 5d650fcef9 x86/mm: Fix flush_tlb_page() on Xen
commit dbd68d8e84c606673ebbcf15862f8c155fa92326 upstream.

flush_tlb_page() passes a bogus range to flush_tlb_others() and
expects the latter to fix it up.  native_flush_tlb_others() has the
fixup but Xen's version doesn't.  Move the fixup to
flush_tlb_others().

AFAICS the only real effect is that, without this fix, Xen would
flush everything instead of just the one page on remote vCPUs in
when flush_tlb_page() was called.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Nadav Amit <namit@vmware.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Fixes: e7b52ffd45 ("x86/flush_tlb: try flush_tlb_single one by one in flush_tlb_range")
Link: http://lkml.kernel.org/r/10ed0e4dfea64daef10b87fb85df1746999b4dba.1492844372.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-07-05 14:37:22 +02:00
..
alpha osf_wait4(): fix infoleak 2017-05-25 14:30:17 +02:00
arc mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
arm ARM: 8685/1: ensure memblock-limit is pmd-aligned 2017-07-05 14:37:22 +02:00
arm64 ARM64/ACPI: Fix BAD_MADT_GICC_ENTRY() macro implementation 2017-07-05 14:37:21 +02:00
avr32 avr32: off by one in at32_init_pio() 2016-10-07 15:23:45 +02:00
blackfin net: smc91x: fix SMC accesses 2016-09-30 10:18:37 +02:00
c6x c6x/ptrace: Remove useless PTRACE_SETREGSET implementation 2017-03-31 09:49:53 +02:00
cris cris: Only build flash rescue image if CONFIG_ETRAX_AXISFLASHMAP is selected 2017-01-12 11:22:48 +01:00
frv mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
h8300 h8300/ptrace: Fix incorrect register transfer count 2017-03-31 09:49:53 +02:00
hexagon hexagon: fix strncpy_from_user() error return 2016-09-24 10:07:44 +02:00
ia64 ia64: copy_from_user() should zero the destination on access_ok() failure 2016-09-24 10:07:46 +02:00
m32r m32r: fix __get_user() 2016-09-24 10:07:43 +02:00
m68k m68k: Fix ndelay() macro 2016-12-15 08:49:23 -08:00
metag metag/uaccess: Check access_ok in strncpy_from_user 2017-05-25 14:30:16 +02:00
microblaze microblaze: fix copy_from_user() 2016-09-24 10:07:43 +02:00
mips MIPS: ralink: fix MT7628 wled_an pinmux gpio 2017-07-05 14:37:17 +02:00
mn10300 mn10300: copy_from_user() should zero on access_ok() failure... 2016-09-24 10:07:45 +02:00
nios2 nios2: reserve boot memory for device tree 2017-04-12 12:38:34 +02:00
openrisc openrisc: fix the fix of copy_from_user() 2016-09-24 10:07:46 +02:00
parisc mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
powerpc powerpc/eeh: Enable IO path on permanent error 2017-07-05 14:37:18 +02:00
s390 s390/ctl_reg: make __ctl_load a full memory barrier 2017-07-05 14:37:20 +02:00
score score: fix copy_from_user() and friends 2016-09-24 10:07:44 +02:00
sh mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
sparc mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
tile mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
um um: Don't discard .text.exit section 2016-09-07 08:32:38 +02:00
unicore32 pwm: Changes for v4.4-rc1 2015-11-11 09:16:10 -08:00
x86 x86/mm: Fix flush_tlb_page() on Xen 2017-07-05 14:37:22 +02:00
xtensa mm: larger stack guard gap, between vmas 2017-06-26 07:13:11 +02:00
.gitignore
Kconfig