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-rw-r--r--arch/x86/kernel/step.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c
index 60d2c3798ba2..2f97d1a1032f 100644
--- a/arch/x86/kernel/step.c
+++ b/arch/x86/kernel/step.c
@@ -175,8 +175,7 @@ void set_task_blockstep(struct task_struct *task, bool on)
*
* NOTE: this means that set/clear TIF_BLOCKSTEP is only safe if
* task is current or it can't be running, otherwise we can race
- * with __switch_to_xtra(). We rely on ptrace_freeze_traced() but
- * PTRACE_KILL is not safe.
+ * with __switch_to_xtra(). We rely on ptrace_freeze_traced().
*/
local_irq_disable();
debugctl = get_debugctlmsr();