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authorMasami Hiramatsu <mhiramat@redhat.com>2009-01-06 21:15:32 +0100
committerLen Brown <len.brown@intel.com>2009-01-16 14:32:17 -0500
commit5a4ccaf37ffece09ef33f1cfec67efa8ee56f967 (patch)
tree9a246d76a019318f658c3db7567664cffb5f2824 /arch/x86
parent33f1d7ecc6cffff3c618a02295de969ebbacd95d (diff)
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.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 884d985b8b8..e948b28a5a9 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();