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authorMasami Hiramatsu <mhiramat@redhat.com>2009-01-06 15:15:32 -0500
committerLen Brown <len.brown@intel.com>2009-01-16 14:32:17 -0500
commit5a4ccaf37ffece09ef33f1cfec67efa8ee56f967 (patch)
tree9a246d76a019318f658c3db7567664cffb5f2824 /kernel
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 'kernel')
-rw-r--r--kernel/kprobes.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 1b9cbdc0127a..7ba8cd9845cb 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -123,7 +123,7 @@ static int collect_garbage_slots(void);
123static int __kprobes check_safety(void) 123static int __kprobes check_safety(void)
124{ 124{
125 int ret = 0; 125 int ret = 0;
126#if defined(CONFIG_PREEMPT) && defined(CONFIG_PM) 126#if defined(CONFIG_PREEMPT) && defined(CONFIG_FREEZER)
127 ret = freeze_processes(); 127 ret = freeze_processes();
128 if (ret == 0) { 128 if (ret == 0) {
129 struct task_struct *p, *q; 129 struct task_struct *p, *q;