diff options
Diffstat (limited to 'arch/sparc64/kernel/kprobes.c')
-rw-r--r-- | arch/sparc64/kernel/kprobes.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/arch/sparc64/kernel/kprobes.c b/arch/sparc64/kernel/kprobes.c index f43b5d755354..201a6e547e4a 100644 --- a/arch/sparc64/kernel/kprobes.c +++ b/arch/sparc64/kernel/kprobes.c | |||
@@ -478,9 +478,9 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs) | |||
478 | return 0; | 478 | return 0; |
479 | } | 479 | } |
480 | 480 | ||
481 | /* Called with kretprobe_lock held. The value stored in the return | 481 | /* The value stored in the return address register is actually 2 |
482 | * address register is actually 2 instructions before where the | 482 | * instructions before where the callee will return to. |
483 | * callee will return to. Sequences usually look something like this | 483 | * Sequences usually look something like this |
484 | * | 484 | * |
485 | * call some_function <--- return register points here | 485 | * call some_function <--- return register points here |
486 | * nop <--- call delay slot | 486 | * nop <--- call delay slot |
@@ -512,8 +512,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) | |||
512 | unsigned long trampoline_address =(unsigned long)&kretprobe_trampoline; | 512 | unsigned long trampoline_address =(unsigned long)&kretprobe_trampoline; |
513 | 513 | ||
514 | INIT_HLIST_HEAD(&empty_rp); | 514 | INIT_HLIST_HEAD(&empty_rp); |
515 | spin_lock_irqsave(&kretprobe_lock, flags); | 515 | kretprobe_hash_lock(current, &head, &flags); |
516 | head = kretprobe_inst_table_head(current); | ||
517 | 516 | ||
518 | /* | 517 | /* |
519 | * It is possible to have multiple instances associated with a given | 518 | * It is possible to have multiple instances associated with a given |
@@ -553,7 +552,7 @@ int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) | |||
553 | regs->tnpc = orig_ret_address + 4; | 552 | regs->tnpc = orig_ret_address + 4; |
554 | 553 | ||
555 | reset_current_kprobe(); | 554 | reset_current_kprobe(); |
556 | spin_unlock_irqrestore(&kretprobe_lock, flags); | 555 | kretprobe_hash_unlock(current, &flags); |
557 | preempt_enable_no_resched(); | 556 | preempt_enable_no_resched(); |
558 | 557 | ||
559 | hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { | 558 | hlist_for_each_entry_safe(ri, node, tmp, &empty_rp, hlist) { |