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| author | Masami Hiramatsu <mhiramat@redhat.com> | 2009-01-06 21:15:32 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-01-16 14:32:17 -0500 |
| commit | 5a4ccaf37ffece09ef33f1cfec67efa8ee56f967 (patch) | |
| tree | 9a246d76a019318f658c3db7567664cffb5f2824 /arch/x86 | |
| parent | 33f1d7ecc6cffff3c618a02295de969ebbacd95d (diff) | |
| download | blackbird-op-linux-5a4ccaf37ffece09ef33f1cfec67efa8ee56f967.tar.gz blackbird-op-linux-5a4ccaf37ffece09ef33f1cfec67efa8ee56f967.zip | |
kprobes: check CONFIG_FREEZER instead of CONFIG_PM
Check CONFIG_FREEZER instead of CONFIG_PM because kprobe booster
depends on freeze_processes() and thaw_processes() when CONFIG_PREEMPT=y.
This fixes a linkage error which occurs when CONFIG_PREEMPT=y, CONFIG_PM=y
and CONFIG_FREEZER=n.
Reported-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/kprobes.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index 884d985b8b82..e948b28a5a9a 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -446,7 +446,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, static void __kprobes setup_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *kcb) { -#if !defined(CONFIG_PREEMPT) || defined(CONFIG_PM) +#if !defined(CONFIG_PREEMPT) || defined(CONFIG_FREEZER) if (p->ainsn.boostable == 1 && !p->post_handler) { /* Boost up -- we can execute copied instructions directly */ reset_current_kprobe(); |
