[PATCH] kprobes: fix build breakage

The following patch (against 2.6.15-rc5-mm3) fixes a kprobes build break
due to changes introduced in the kprobe locking in 2.6.15-rc5-mm3.  In
addition, the patch reverts back the open-coding of kprobe_mutex.

Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Acked-by: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 6 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 93444e32fccd..27b0c40601fb 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -80,11 +80,11 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
                            (unsigned long) p->addr + sizeof(kprobe_opcode_t));
 }
 
-void __kprobes arch_remove_kprobe(struct kprobe *p, struct semaphore *s)
+void __kprobes arch_remove_kprobe(struct kprobe *p)
 {
-        down(s);
+        down(&kprobe_mutex);
         free_insn_slot(p->ainsn.insn);
-        up(s);
+        up(&kprobe_mutex);
 }
 
 static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c
index 61a6a9369cbd..b7dc1f816d13 100644
--- a/arch/x86_64/kernel/kprobes.c
+++ b/arch/x86_64/kernel/kprobes.c
@@ -220,11 +220,11 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
                            (unsigned long) p->addr + sizeof(kprobe_opcode_t));
 }
 
-void __kprobes arch_remove_kprobe(struct kprobe *p, struct semaphore *s)
+void __kprobes arch_remove_kprobe(struct kprobe *p)
 {
-        down(s);
+        down(&kprobe_mutex);
         free_insn_slot(p->ainsn.insn);
-        up(s);
+        up(&kprobe_mutex);
 }
 
 static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)