diff options
| -rw-r--r-- | arch/x86/kernel/step.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c index 2ef1a5f8d675..9d406cdc847f 100644 --- a/arch/x86/kernel/step.c +++ b/arch/x86/kernel/step.c | |||
| @@ -166,7 +166,7 @@ static void enable_step(struct task_struct *child, bool block) | |||
| 166 | child->thread.debugctlmsr | DEBUGCTLMSR_BTF); | 166 | child->thread.debugctlmsr | DEBUGCTLMSR_BTF); |
| 167 | } else { | 167 | } else { |
| 168 | write_debugctlmsr(child, | 168 | write_debugctlmsr(child, |
| 169 | child->thread.debugctlmsr & ~TIF_DEBUGCTLMSR); | 169 | child->thread.debugctlmsr & ~DEBUGCTLMSR_BTF); |
| 170 | 170 | ||
| 171 | if (!child->thread.debugctlmsr) | 171 | if (!child->thread.debugctlmsr) |
| 172 | clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR); | 172 | clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR); |
| @@ -189,7 +189,7 @@ void user_disable_single_step(struct task_struct *child) | |||
| 189 | * Make sure block stepping (BTF) is disabled. | 189 | * Make sure block stepping (BTF) is disabled. |
| 190 | */ | 190 | */ |
| 191 | write_debugctlmsr(child, | 191 | write_debugctlmsr(child, |
| 192 | child->thread.debugctlmsr & ~TIF_DEBUGCTLMSR); | 192 | child->thread.debugctlmsr & ~DEBUGCTLMSR_BTF); |
| 193 | 193 | ||
| 194 | if (!child->thread.debugctlmsr) | 194 | if (!child->thread.debugctlmsr) |
| 195 | clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR); | 195 | clear_tsk_thread_flag(child, TIF_DEBUGCTLMSR); |
