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30d878a0ef
unicorn/qemu
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Luwei Kang 30d878a0ef
i386: Disable Intel PT if packets IP payloads have LIP values 
Intel processor trace should be disabled when
CPUID.(EAX=14H,ECX=0H).ECX.[bit31] is set.
Generated packets which contain IP payloads will have LIP
values when this bit is set, or IP payloads will have RIP
values.
Currently, The information of CPUID 14H is constant to make
live migration safty and this bit is always 0 in guest even
if host support LIP values.
Guest sees the bit is 0 will expect IP payloads with RIP
values, but the host CPU will generate IP payloads with
LIP values if this bit is set in HW.
To make sure the value of IP payloads correctly, Intel PT
should be disabled when bit[31] is set.

Backports relevant parts of commit c078ca968c6c7cb62781c1843d840cb0f5c72781 from qemu
2018-03-20 14:25:40 -04:00
..
accel cpu-exec: fix exception_index handling 2018-03-17 19:33:05 -04:00
crypto
default-configs
docs
fpu softfloat: fix crash on int conversion of SNaN 2018-03-09 11:40:17 -05:00
hw Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
include Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
qapi qapi: Make more of qobject_to() 2018-03-20 11:05:44 -04:00
qobject qobject: introduce qobject_get_try_str() 2018-03-20 11:10:03 -04:00
qom cpu: drop unnecessary NULL check and cpu_common_class_by_name() 2018-03-20 14:23:52 -04:00
scripts qapi: Move qapi-schema.json to qapi/, rename generated files 2018-03-09 11:35:11 -05:00
target i386: Disable Intel PT if packets IP payloads have LIP values 2018-03-20 14:25:40 -04:00
tcg tcg/i386: Perform comparison pass against qemu 2018-03-20 06:29:06 -04:00
util membarrier: add --enable-membarrier 2018-03-17 19:30:43 -04:00
aarch64.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
aarch64eb.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
accel.c
arm.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
armeb.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
CODING_STYLE
configure use _Static_assert in QEMU_BUILD_BUG_ON 2018-03-20 10:42:20 -04:00
COPYING
COPYING.LIB
cpus.c Include qapi/error.h exactly where needed 2018-03-07 12:26:38 -05:00
exec.c Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
gen_all_header.sh
glib_compat.c Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
HACKING
header_gen.py Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
ioport.c
LICENSE
m68k.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
Makefile qapi: Don't create useless directory qapi-generated 2018-03-09 11:36:49 -05:00
Makefile.objs qapi: Move qapi-schema.json to qapi/, rename generated files 2018-03-09 11:35:11 -05:00
Makefile.target tcg: move tcg backend files into accel/tcg/ 2018-03-13 11:48:15 -04:00
memory_ldst.inc.c exec: Drop unnecessary code for unicorn 2018-03-12 10:11:46 -04:00
memory_mapping.c
memory.c memory: Share special empty FlatView 2018-03-11 22:34:28 -04:00
mips64.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
mips64el.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
mips.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
mipsel.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
powerpc.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
qemu-timer.c
rules.mak build-sys: silence make by default or V=0 2018-03-06 08:58:03 -05:00
sparc64.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
sparc.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
unicorn_common.h memory: Share special empty FlatView 2018-03-11 22:34:28 -04:00
VERSION
vl.c Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00
vl.h
x86_64.h Use cpu_create(type) instead of cpu_init(cpu_model) 2018-03-20 14:20:30 -04:00