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authorbibo,mao <bibo.mao@intel.com>2006-10-02 02:17:35 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-02 07:57:16 -0700
commit99219a3fbc2dcf2eaa954f7b2ac27299fd7894cd (patch)
tree895abde156c9fbeea9c5a87cfaaa411d4ad175c6 /include
parentf2aa85a0ccd90110e76c6375535adc3ae358f971 (diff)
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[PATCH] kretprobe spinlock deadlock patch
kprobe_flush_task() possibly calls kfree function during holding kretprobe_lock spinlock, if kfree function is probed by kretprobe that will incur spinlock deadlock. This patch moves kfree function out scope of kretprobe_lock. Signed-off-by: bibo, mao <bibo.mao@intel.com> Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/kprobes.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index a5c5a0c..ac4c055 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -202,7 +202,7 @@ void unregister_kretprobe(struct kretprobe *rp);
struct kretprobe_instance *get_free_rp_inst(struct kretprobe *rp);
void add_rp_inst(struct kretprobe_instance *ri);
void kprobe_flush_task(struct task_struct *tk);
-void recycle_rp_inst(struct kretprobe_instance *ri);
+void recycle_rp_inst(struct kretprobe_instance *ri, struct hlist_head *head);
#else /* CONFIG_KPROBES */
#define __kprobes /**/