diff options
| -rw-r--r-- | arch/x86/kernel/kprobes.c | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/step.c | 4 |
2 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c index 93aff49798ee..edc0a8e59247 100644 --- a/arch/x86/kernel/kprobes.c +++ b/arch/x86/kernel/kprobes.c @@ -410,13 +410,13 @@ static void __kprobes set_current_kprobe(struct kprobe *p, struct pt_regs *regs, static void __kprobes clear_btf(void) { if (test_thread_flag(TIF_DEBUGCTLMSR)) - wrmsr(MSR_IA32_DEBUGCTLMSR, 0, 0); + wrmsrl(MSR_IA32_DEBUGCTLMSR, 0); } static void __kprobes restore_btf(void) { if (test_thread_flag(TIF_DEBUGCTLMSR)) - wrmsr(MSR_IA32_DEBUGCTLMSR, current->thread.debugctlmsr, 0); + wrmsrl(MSR_IA32_DEBUGCTLMSR, current->thread.debugctlmsr); } static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c index 5884dd485db8..b801e76cebf7 100644 --- a/arch/x86/kernel/step.c +++ b/arch/x86/kernel/step.c @@ -229,11 +229,7 @@ static void write_debugctlmsr(struct task_struct *child, unsigned long val) if (child != current) return; -#ifdef CONFIG_X86_64 wrmsrl(MSR_IA32_DEBUGCTLMSR, val); -#else - wrmsr(MSR_IA32_DEBUGCTLMSR, val, 0); -#endif } /* |