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| author | Ingo Molnar <mingo@elte.hu> | 2009-09-15 12:18:15 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-15 12:18:15 +0200 |
| commit | dca2d6ac09d9ef59ff46820d4f0c94b08a671202 (patch) | |
| tree | fdec753b842dad09e3a4151954fab3eb5c43500d /arch/x86/mm/kmemcheck/kmemcheck.c | |
| parent | tracing: Fix ring-buffer and ksym tracer merge interaction (diff) | |
| parent | Merge branch 'for-linus3' of git://git.kernel.org/pub/scm/linux/kernel/git/jm... (diff) | |
| download | linux-dca2d6ac09d9ef59ff46820d4f0c94b08a671202.tar.xz linux-dca2d6ac09d9ef59ff46820d4f0c94b08a671202.zip | |
Merge branch 'linus' into tracing/hw-breakpoints
Conflicts:
arch/x86/kernel/process_64.c
Semantic conflict fixed in:
arch/x86/kvm/x86.c
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/kmemcheck/kmemcheck.c')
| -rw-r--r-- | arch/x86/mm/kmemcheck/kmemcheck.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c index 2c55ed098654..528bf954eb74 100644 --- a/arch/x86/mm/kmemcheck/kmemcheck.c +++ b/arch/x86/mm/kmemcheck/kmemcheck.c @@ -331,6 +331,20 @@ static void kmemcheck_read_strict(struct pt_regs *regs, kmemcheck_shadow_set(shadow, size); } +bool kmemcheck_is_obj_initialized(unsigned long addr, size_t size) +{ + enum kmemcheck_shadow status; + void *shadow; + + shadow = kmemcheck_shadow_lookup(addr); + if (!shadow) + return true; + + status = kmemcheck_shadow_test(shadow, size); + + return status == KMEMCHECK_SHADOW_INITIALIZED; +} + /* Access may cross page boundary */ static void kmemcheck_read(struct pt_regs *regs, unsigned long addr, unsigned int size) |