diff options
| author | Ingo Molnar <mingo@elte.hu> | 2011-03-18 10:38:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-18 10:39:00 +0100 |
| commit | 8dd8997d2c56c9f248294805e129e1fc69444380 (patch) | |
| tree | 3b030a04295fc031db98746c4074c2df1ed6a19f /arch/x86/kernel/kprobes.c | |
| parent | 1eda75c131ea42ec173323b6c34aeed78ae637c1 (diff) | |
| parent | 016aa2ed1cc9cf704cf76d8df07751b6daa9750f (diff) | |
| download | talos-obmc-linux-8dd8997d2c56c9f248294805e129e1fc69444380.tar.gz talos-obmc-linux-8dd8997d2c56c9f248294805e129e1fc69444380.zip | |
Merge branch 'linus' into x86/urgent
Merge reason: Merge upstream commits to avoid conflicts in upcoming patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/kprobes.c')
| -rw-r--r-- | arch/x86/kernel/kprobes.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index d91c477b3f62..c969fd9d1566 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -1276,6 +1276,14 @@ static int __kprobes can_optimize(unsigned long paddr) if (!kallsyms_lookup_size_offset(paddr, &size, &offset)) return 0; + /* + * Do not optimize in the entry code due to the unstable + * stack handling. + */ + if ((paddr >= (unsigned long )__entry_text_start) && + (paddr < (unsigned long )__entry_text_end)) + return 0; + /* Check there is enough space for a relative jump. */ if (size - offset < RELATIVEJUMP_SIZE) return 0; |
