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unicorn/qemu
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Stefan Hajnoczi fc7b95d06a
memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 
The cpu_physical_memory_reset_dirty() function is sometimes used
together with cpu_physical_memory_get_dirty(). This is not atomic since
two separate accesses to the dirty memory bitmap are made.

Turn cpu_physical_memory_reset_dirty() and
cpu_physical_memory_clear_dirty_range_type() into the atomic
cpu_physical_memory_test_and_clear_dirty().

Backports commit 03eebc9e3246b9b3f5925aa41f7dfd7c1e467875 from qemu
2018-02-13 11:25:45 -05:00
..
default-configs arm64eb: add support for ARM64 big endian. 2017-04-24 23:30:01 +08:00
docs docs: clarify memory region lifecycle 2018-02-12 15:11:21 -05:00
fpu softfloat: expand out STATUS macro 2018-02-12 13:43:13 -05:00
hw target-i386: disable LINT0 after reset 2018-02-12 21:07:36 -05:00
include memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
qapi This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
qobject This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
qom qom: Fix object_property_add_alias() with [*] 2018-02-12 16:33:58 -05:00
scripts Save copies of generated qapi files. 2017-01-21 00:30:50 +11:00
target-arm unicorn_arm: m68k/translate: Build fixes 2018-02-13 09:15:46 -05:00
target-i386 target-i386: Fix signedness of MSR_IA32_APICBASE_BASE 2018-02-13 08:17:18 -05:00
target-m68k unicorn_arm: m68k/translate: Build fixes 2018-02-13 09:15:46 -05:00
target-mips target-mips: save cpu state before calling MSA load and store helpers 2018-02-12 16:31:17 -05:00
target-sparc target-*: Increment num_insns immediately after tcg_gen_insn_start 2018-02-11 12:46:30 -05:00
tcg tcg: add TCG_TARGET_TLB_DISPLACEMENT_BITS 2018-02-13 08:28:29 -05:00
util bitmap: add atomic test and clear 2018-02-13 10:02:12 -05:00
aarch64.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
aarch64eb.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
accel.c Automated leading tab to spaces conversion. 2017-01-21 12:28:22 +11:00
arm.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
armeb.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
CODING_STYLE import 2015-08-21 15:04:50 +08:00
configure tcg: Drop ia64 host support 2018-02-04 18:33:02 -05:00
COPYING import 2015-08-21 15:04:50 +08:00
COPYING.LIB import 2015-08-21 15:04:50 +08:00
cpu-exec.c exec: make iotlb RCU-friendly 2018-02-12 15:20:39 -05:00
cpus.c cleanup more synchronization code 2017-01-09 14:05:39 +08:00
cputlb.c memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
exec.c memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
gen_all_header.sh arm64eb: add support for ARM64 big endian. 2017-04-24 23:30:01 +08:00
glib_compat.c Merge branch 'master' into msvc2 2017-04-21 01:17:00 +08:00
HACKING import 2015-08-21 15:04:50 +08:00
header_gen.py memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
ioport.c memory: Define API for MemoryRegionOps to take attrs and return status 2018-02-12 17:17:27 -05:00
LICENSE import 2015-08-21 15:04:50 +08:00
m68k.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
Makefile cleanup qemu/default-configs/ 2017-01-19 14:52:30 +08:00
Makefile.objs cleanup qemu/Makefile.objs 2017-01-21 21:50:12 +08:00
Makefile.target tcg: Move some opcode generation functions out of line 2018-02-09 08:10:00 -05:00
memory.c memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
memory_mapping.c revert to use of g_free to make future qemu integrations easier (#695) 2016-12-21 22:28:36 +08:00
mips.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
mips64.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
mips64el.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
mipsel.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
powerpc.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
qapi-schema.json import 2015-08-21 15:04:50 +08:00
qemu-log.c import 2015-08-21 15:04:50 +08:00
qemu-timer.c timer is redundant 2017-01-20 16:46:58 +08:00
rules.mak import 2015-08-21 15:04:50 +08:00
softmmu_template.h Add MemTxAttrs to the IOTLB 2018-02-12 18:38:38 -05:00
sparc.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
sparc64.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00
tcg-runtime.c platform.h move #3 2017-01-21 00:13:21 +11:00
translate-all.c translate-all: make less of tb_invalidate_phys_page_range depend on is_cpu_write_access 2018-02-13 09:18:49 -05:00
translate-all.h translate-all: remove unnecessary argument to tb_invalidate_phys_range 2018-02-13 09:04:51 -05:00
unicorn_common.h This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
VERSION import 2015-08-21 15:04:50 +08:00
vl.c This code should now build the x86_x64-softmmu part 2. 2017-01-19 22:50:28 +11:00
vl.h import 2015-08-21 15:04:50 +08:00
x86_64.h memory: replace cpu_physical_memory_reset_dirty() with test-and-clear 2018-02-13 11:25:45 -05:00