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authorTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-18 16:50:52 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2005-10-18 16:50:52 -0400
commitcff6bf970965c98c62007fc8a36527fd147fe233 (patch)
tree2791f2208b54ade86625af416ff5342f11282f0c /arch/x86_64/kernel/kprobes.c
parent6cd7525a00f3b926e8bd2e402954ed3e09a8e924 (diff)
parent39ca371c45b04cd50d0974030ae051906fc516b6 (diff)
Merge /home/trondmy/scm/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'arch/x86_64/kernel/kprobes.c')
-rw-r--r--arch/x86_64/kernel/kprobes.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c
index df08c43276a0..76a28b007be9 100644
--- a/arch/x86_64/kernel/kprobes.c
+++ b/arch/x86_64/kernel/kprobes.c
@@ -77,9 +77,9 @@ static inline int is_IF_modifier(kprobe_opcode_t *insn)
77int __kprobes arch_prepare_kprobe(struct kprobe *p) 77int __kprobes arch_prepare_kprobe(struct kprobe *p)
78{ 78{
79 /* insn: must be on special executable page on x86_64. */ 79 /* insn: must be on special executable page on x86_64. */
80 up(&kprobe_mutex);
81 p->ainsn.insn = get_insn_slot();
82 down(&kprobe_mutex); 80 down(&kprobe_mutex);
81 p->ainsn.insn = get_insn_slot();
82 up(&kprobe_mutex);
83 if (!p->ainsn.insn) { 83 if (!p->ainsn.insn) {
84 return -ENOMEM; 84 return -ENOMEM;
85 } 85 }
@@ -231,9 +231,9 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
231 231
232void __kprobes arch_remove_kprobe(struct kprobe *p) 232void __kprobes arch_remove_kprobe(struct kprobe *p)
233{ 233{
234 up(&kprobe_mutex);
235 free_insn_slot(p->ainsn.insn);
236 down(&kprobe_mutex); 234 down(&kprobe_mutex);
235 free_insn_slot(p->ainsn.insn);
236 up(&kprobe_mutex);
237} 237}
238 238
239static inline void save_previous_kprobe(void) 239static inline void save_previous_kprobe(void)