Merge commit 'upstream/master'

1 files changed, 2 insertions, 4 deletions

diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 4ba2af125450..de79915452c8 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -144,7 +144,6 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs,
         kcb->kprobe_saved_msr = regs->msr;
 }
 
-/* Called with kretprobe_lock held */
 void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
                                       struct pt_regs *regs)
 {
@@ -312,8 +311,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
         unsigned long trampoline_address =(unsigned long)&kretprobe_trampoline;
 
         INIT_HLIST_HEAD(&empty_rp);
-        spin_lock_irqsave(&kretprobe_lock, flags);
-        head = kretprobe_inst_table_head(current);
+        kretprobe_hash_lock(current, &head, &flags);
 
         /*
          * It is possible to have multiple instances associated with a given
@@ -352,7 +350,7 @@ static int __kprobes trampoline_probe_handler(struct kprobe *p,
         regs->nip = orig_ret_address;
 
         reset_current_kprobe();
-        spin_unlock_irqrestore(&kretprobe_lock, flags);
+        kretprobe_hash_unlock(current, &flags);
         preempt_enable_no_resched();
 
         hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) {