linux_dsm_epyc7002/arch
Andy Lutomirski 22c4bd9fa9 x86: Add a comment clarifying LDT context switching
The code is correct, but only for a rather subtle reason.  This
confused me for quite a while when I read switch_mm, so clarify the
code to avoid confusing other people, too.

TBH, I wouldn't be surprised if this code was only correct by
accident.

Signed-off-by: Andy Lutomirski <luto@amacapital.net>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Vince Weaver <vince@deater.net>
Cc: "hillf.zj" <hillf.zj@alibaba-inc.com>
Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/r/0db86397f968996fb772c443c251415b0b430ddd.1414190806.git.luto@amacapital.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-02-04 12:10:43 +01:00
..
alpha vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
arc arc: mm: Fix build failure 2015-01-30 10:31:14 -08:00
arm ARM: SoC fixes 2015-02-01 13:20:47 -08:00
arm64 Second round of fixes for KVM/ARM for 3.19. 2015-01-30 09:41:38 +01:00
avr32 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
blackfin arch/blackfin/mach-bf533/boards/stamp.c: add linux/delay.h 2015-01-08 15:10:52 -08:00
c6x net, lib: kill arch_fast_hash library bits 2014-12-10 15:17:46 -05:00
cris vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
frv vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
hexagon Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel 2014-12-19 17:57:51 -08:00
ia64 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
m32r vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
m68k vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
metag vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
microblaze vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
mips vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
mn10300 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
nios2 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
openrisc vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
parisc vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
powerpc vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
s390 vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
score vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
sh vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
sparc vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
tile vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
um vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
unicore32 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
x86 x86: Add a comment clarifying LDT context switching 2015-02-04 12:10:43 +01:00
xtensa vm: add VM_FAULT_SIGSEGV handling support 2015-01-29 10:51:32 -08:00
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