Messages in this thread | | | Date | Fri, 29 Aug 2008 23:19:21 +0200 | Subject | [GIT PULL] kmemcheck updates for tip/kmemcheck | From | Vegard Nossum <> |
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Hi Ingo,
A rather large update, most of it is implementing the correct REP MOVS/STOS handling on P4s. I've tested it on both 32-bit and 64-bit and everything seems good! Also included is the DMA API hooks which prevents false-positive reports from reads in DMA-able memory.
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The following changes since commit d99de804af81f223445368b8cb40d44ff12ec89a: Ingo Molnar (1): Merge commit 'v2.6.27-rc3' into kmemcheck
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck.git for-tip2
Vegard Nossum (7): kmemcheck: add DMA hooks kmemcheck: work with sizes in terms of bytes instead of bits kmemcheck: allow memory accesses that cross page boundaries kmemcheck: add some more documentation kmemcheck: add some comments kmemcheck: save memory contents on use of uninitialized memory kmemcheck: implement REP MOVS/STOS emulation
arch/x86/Kconfig.debug | 2 +- arch/x86/kernel/traps_32.c | 8 +- arch/x86/kernel/traps_64.c | 8 +- arch/x86/mm/kmemcheck/error.c | 25 +++- arch/x86/mm/kmemcheck/kmemcheck.c | 322 +++++++++++++++++++++++++++---------- arch/x86/mm/kmemcheck/opcode.c | 38 ++++-- arch/x86/mm/kmemcheck/opcode.h | 3 +- arch/x86/mm/kmemcheck/shadow.c | 76 ++-------- arch/x86/mm/kmemcheck/string.c | 4 + include/asm-x86/dma-mapping.h | 2 + include/asm-x86/kmemcheck.h | 6 + include/linux/kmemcheck.h | 16 ++ mm/kmemcheck.c | 6 + 13 files changed, 339 insertions(+), 177 deletions(-)
Thanks,
Vegard
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