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-rw-r--r--arch/x86/kernel/kprobes.c4
-rw-r--r--arch/x86/kernel/step.c4
2 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 93aff49798e..edc0a8e5924 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,
410static void __kprobes clear_btf(void) 410static void __kprobes clear_btf(void)
411{ 411{
412 if (test_thread_flag(TIF_DEBUGCTLMSR)) 412 if (test_thread_flag(TIF_DEBUGCTLMSR))
413 wrmsr(MSR_IA32_DEBUGCTLMSR, 0, 0); 413 wrmsrl(MSR_IA32_DEBUGCTLMSR, 0);
414} 414}
415 415
416static void __kprobes restore_btf(void) 416static void __kprobes restore_btf(void)
417{ 417{
418 if (test_thread_flag(TIF_DEBUGCTLMSR)) 418 if (test_thread_flag(TIF_DEBUGCTLMSR))
419 wrmsr(MSR_IA32_DEBUGCTLMSR, current->thread.debugctlmsr, 0); 419 wrmsrl(MSR_IA32_DEBUGCTLMSR, current->thread.debugctlmsr);
420} 420}
421 421
422static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs) 422static 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 5884dd485db..b801e76cebf 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)
229 if (child != current) 229 if (child != current)
230 return; 230 return;
231 231
232#ifdef CONFIG_X86_64
233 wrmsrl(MSR_IA32_DEBUGCTLMSR, val); 232 wrmsrl(MSR_IA32_DEBUGCTLMSR, val);
234#else
235 wrmsr(MSR_IA32_DEBUGCTLMSR, val, 0);
236#endif
237} 233}
238 234
239/* 235/*