From: Vegard Nossum <vegard.nossum@gmail.com>
To: linux-kernel@vger.kernel.org, linux-mm@kvack.org
Cc: Ingo Molnar <mingo@elte.hu>, Pekka Enberg <penberg@cs.helsinki.fi>
Subject:
Date: Sat, 21 Feb 2009 14:36:00 +0100 [thread overview]
Message-ID: <1235223364-2097-1-git-send-email-vegard.nossum@gmail.com> (raw)
Hi,
Here comes a kmemcheck update. I found out how to solve the P4 REP problem
cleanly, and by adding the right hooks in the DMA API, we were able to get
page-allocator support with no additional false positives.
arch/x86/include/asm/dma-mapping.h | 6 ++
arch/x86/include/asm/thread_info.h | 4 +-
arch/x86/kernel/cpu/intel.c | 23 +++++++
arch/x86/mm/kmemcheck/kmemcheck.c | 119 +-----------------------------------
arch/x86/mm/kmemcheck/opcode.c | 13 +----
arch/x86/mm/kmemcheck/opcode.h | 3 +-
arch/x86/mm/kmemcheck/shadow.c | 8 +++
include/linux/gfp.h | 5 ++
include/linux/kmemcheck.h | 33 +++++++++--
mm/kmemcheck.c | 45 ++++++++++----
mm/page_alloc.c | 8 +++
mm/slab.c | 15 +++--
mm/slub.c | 23 ++++++--
13 files changed, 143 insertions(+), 162 deletions(-)
(Ingo: Don't apply to -tip, I'll send a pull request later.)
Vegard
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next reply other threads:[~2009-02-21 13:36 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-21 13:36 Vegard Nossum [this message]
2009-02-21 13:36 ` [PATCH] kmemcheck: disable fast string operations on P4 CPUs Vegard Nossum
2009-02-21 16:21 ` Pekka Enberg
2009-02-22 3:13 ` H. Peter Anvin
2009-02-22 10:51 ` Vegard Nossum
2009-02-21 13:36 ` [PATCH] kmemcheck: rip out REP instruction emulation Vegard Nossum
2009-02-21 16:21 ` Pekka Enberg
2009-02-21 13:36 ` [PATCH] kmemcheck: add hooks for page- and sg-dma-mappings Vegard Nossum
2009-02-21 16:22 ` Pekka Enberg
2009-02-21 17:13 ` Vegard Nossum
2009-02-21 17:15 ` Pekka Enberg
2009-02-21 13:36 ` [PATCH] kmemcheck: add hooks for the page allocator Vegard Nossum
2009-02-21 15:23 ` Ingo Molnar
2009-02-21 16:34 ` Pekka Enberg
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