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| author | Ananth N Mavinakayanahalli <ananth@in.ibm.com> | 2005-10-01 13:14:17 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-01 10:54:47 -0700 |
| commit | 2d8ab6ad6edf0e8709da9ad24e3f023503f76cee (patch) | |
| tree | ba5f06ad6f77c199f9f7d79493013dbdebf2ba6c | |
| parent | 702c96d55059b4a8e5b1eb112ee3b1804708a1bd (diff) | |
| download | kernel_samsung_smdk4412-2d8ab6ad6edf0e8709da9ad24e3f023503f76cee.zip kernel_samsung_smdk4412-2d8ab6ad6edf0e8709da9ad24e3f023503f76cee.tar.gz kernel_samsung_smdk4412-2d8ab6ad6edf0e8709da9ad24e3f023503f76cee.tar.bz2 | |
[PATCH] ppc64: fix up()/down() usage for kprobe_mutex
The incorrect kprobe_mutex usage on x86_64 had percolated to ppc64 too.
First noticed by Yanmin Zhang.
Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| -rw-r--r-- | arch/ppc64/kernel/kprobes.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c index 7e80d49..9c6facc 100644 --- a/arch/ppc64/kernel/kprobes.c +++ b/arch/ppc64/kernel/kprobes.c @@ -59,9 +59,9 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p) /* insn must be on a special executable page on ppc64 */ if (!ret) { - up(&kprobe_mutex); - p->ainsn.insn = get_insn_slot(); down(&kprobe_mutex); + p->ainsn.insn = get_insn_slot(); + up(&kprobe_mutex); if (!p->ainsn.insn) ret = -ENOMEM; } @@ -90,9 +90,9 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p) void __kprobes arch_remove_kprobe(struct kprobe *p) { - up(&kprobe_mutex); - free_insn_slot(p->ainsn.insn); down(&kprobe_mutex); + free_insn_slot(p->ainsn.insn); + up(&kprobe_mutex); } static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs) |