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-rw-r--r--arch/x86/kernel/step.c4
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);