Debug store already uses TIF_DS_AREA_MSR to trigger debug store context switch handling. No need to use TIF_DEBUGCTLMSR, as well. Signed-off-by: Markus Metzger --- arch/x86/kernel/ds.c | 5 0 + 5 - 0 ! 1 file changed, 5 deletions(-) Index: b/arch/x86/kernel/ds.c =================================================================== --- a/arch/x86/kernel/ds.c +++ b/arch/x86/kernel/ds.c @@ -925,11 +925,6 @@ static void update_task_debugctlmsr(stru get_cpu(); if (task == current) update_debugctlmsr(debugctlmsr); - - if (task->thread.debugctlmsr) - set_tsk_thread_flag(task, TIF_DEBUGCTLMSR); - else - clear_tsk_thread_flag(task, TIF_DEBUGCTLMSR); put_cpu(); } --