diff options
Diffstat (limited to 'arch/x86/kernel/kprobes.c')
-rw-r--r-- | arch/x86/kernel/kprobes.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index b43bbaebe2c0..7a880ad3a208 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c | |||
@@ -422,14 +422,12 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, | |||
422 | 422 | ||
423 | static void __kprobes clear_btf(void) | 423 | static void __kprobes clear_btf(void) |
424 | { | 424 | { |
425 | if (test_thread_flag(TIF_DEBUGCTLMSR)) | 425 | /* XXX */ |
426 | update_debugctlmsr(0); | ||
427 | } | 426 | } |
428 | 427 | ||
429 | static void __kprobes restore_btf(void) | 428 | static void __kprobes restore_btf(void) |
430 | { | 429 | { |
431 | if (test_thread_flag(TIF_DEBUGCTLMSR)) | 430 | /* XXX */ |
432 | update_debugctlmsr(current->thread.debugctlmsr); | ||
433 | } | 431 | } |
434 | 432 | ||
435 | void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, | 433 | void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, |