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cbb53b9623
linux/arch/x86/lib
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Denys Vlasenko cbb53b9623 x86/asm/decoder: Explain CALLW discrepancy between Intel and AMD 
In 64-bit mode, AMD and Intel CPUs treat 0x66 prefix before
branch insns differently. For near branches, it affects decode
too since immediate offset's width is different.

See these empirical tests:

  http://marc.info/?l=linux-kernel&m=139714939728946&w=2

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Link: http://lkml.kernel.org/r/1423768017-31766-1-git-send-email-dvlasenk@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-02-18 21:01:59 +01:00
..
.gitignore
atomic64_32.c x86: Adjust asm constraints in atomic64 wrappers 2012-01-20 17:29:31 -08:00
atomic64_386_32.S x86: atomic64 assembly improvements 2012-01-20 17:29:49 -08:00
atomic64_cx8_32.S x86: atomic64 assembly improvements 2012-01-20 17:29:49 -08:00
cache-smp.c
checksum_32.S x86/lib: Fix spelling, put space between a numeral and its units 2013-04-15 11:40:32 +02:00
clear_page_64.S x86, mem: clear_page_64.S: Support clear_page() with enhanced REP MOVSB/STOSB 2011-05-17 15:40:27 -07:00
cmdline.c x86, boot: Carve out early cmdline parsing function 2014-05-20 20:21:24 -07:00
cmpxchg8b_emu.S x86: Improve cmpxchg8b_emu.S 2014-10-08 10:05:49 +02:00
cmpxchg16b_emu.S x86: Improve cmpxchg16b_emu.S 2014-10-08 10:05:49 +02:00
copy_page_64.S x86/asm: Clean up copy_page_*() comments and code 2012-10-24 12:42:47 +02:00
copy_user_64.S x86-64, copy_user: Use leal to produce 32-bit results 2013-11-20 13:57:07 -08:00
copy_user_nocache_64.S x86, smap: Add STAC and CLAC instructions to control user space access 2012-09-21 12:45:27 -07:00
csum-copy_64.S x86, extable: Remove open-coded exception table entries in arch/x86/lib/csum-copy_64.S 2012-04-20 13:51:39 -07:00
csum-partial_64.c x86: Fix common misspellings 2011-03-18 10:39:30 +01:00
csum-wrappers_64.c x86-64: make csum_partial_copy_from_user() error handling consistent 2014-11-16 11:00:42 -08:00
delay.c x86: Delete non-required instances of include <linux/init.h> 2014-01-06 21:25:18 -08:00
getuser.S x86: Be consistent with data size in getuser.S 2013-02-11 23:14:48 -08:00
inat.c x86: Fix to decode grouped AVX with VEX pp bits 2012-02-11 15:11:35 +01:00
insn.c x86/asm/decoder: Create artificial 3rd byte for 2-byte VEX 2015-02-18 21:01:50 +01:00
iomap_copy_64.S
Makefile net, lib: kill arch_fast_hash library bits 2014-12-10 15:17:46 -05:00
memcpy_32.c asmlinkage, x86: Fix 32bit memcpy for LTO 2014-02-13 18:14:46 -08:00
memcpy_64.S x86/lib: Fix spelling, put space between a numeral and its units 2013-04-15 11:40:32 +02:00
memmove_64.S x86/lib: Fix spelling, put space between a numeral and its units 2013-04-15 11:40:32 +02:00
memset_64.S x86-64: Fix memset() to support sizes of 4Gb and above 2012-01-26 11:50:04 +01:00
misc.c x86/boot: Further compress CPUs bootup message 2013-10-01 10:52:30 +02:00
mmx_32.c
msr-reg-export.c x86, pvops: Remove hooks for {rd,wr}msr_safe_regs 2012-06-07 11:41:08 -07:00
msr-reg.S x86, pvops: Remove hooks for {rd,wr}msr_safe_regs 2012-06-07 11:41:08 -07:00
msr-smp.c x86 / msr: add 64bit _on_cpu access functions 2013-10-17 00:36:06 +02:00
msr.c x86: Fix typo preventing msr_set/clear_bit from having an effect 2014-05-09 08:42:32 -07:00
putuser.S x86, smap: Add STAC and CLAC instructions to control user space access 2012-09-21 12:45:27 -07:00
rwsem.S x86: Unify rwsem assembly implementation 2011-07-21 09:03:32 +02:00
string_32.c x86/i386: Use less assembly in strlen(), speed things up a bit 2011-12-12 18:33:42 +01:00
strstr_32.c
thunk_32.S x86: Unwind-annotate thunk_32.S 2014-10-08 12:31:45 +02:00
thunk_64.S x86: Speed up ___preempt_schedule*() by using THUNK helpers 2014-09-24 15:15:38 +02:00
usercopy_32.c x86: Unify copy_to_user() and add size checking to it 2013-10-26 12:27:37 +02:00
usercopy_64.c x86, asmlinkage: Make several variables used from assembler/linker script visible 2013-08-06 14:20:13 -07:00
usercopy.c perf: Fix arch_perf_out_copy_user default 2013-11-06 12:34:25 +01:00
x86-opcode-map.txt x86/asm/decoder: Explain CALLW discrepancy between Intel and AMD 2015-02-18 21:01:59 +01:00