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authorMarkus Metzger <markus.t.metzger@intel.com>2009-04-03 10:43:49 -0400
committerIngo Molnar <mingo@elte.hu>2009-04-07 07:36:32 -0400
commit6047550d3d26fed88b18a208b31f8b90b5ef3e9b (patch)
treec1b67cde5c746883ea4bcbb4dc523261796237cf /arch
parent0f4814065ff8c24ca8bfd75c9b73502be152c287 (diff)
x86, ds: dont use TIF_DEBUGCTLMSR
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 <markus.t.metzger@intel.com> Cc: roland@redhat.com Cc: eranian@googlemail.com Cc: oleg@redhat.com Cc: juan.villacis@intel.com Cc: ak@linux.jf.intel.com LKML-Reference: <20090403144604.256645000@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/ds.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c
index 443f415441da..cab28320dac7 100644
--- a/arch/x86/kernel/ds.c
+++ b/arch/x86/kernel/ds.c
@@ -925,11 +925,6 @@ static void update_task_debugctlmsr(struct task_struct *task,
925 get_cpu(); 925 get_cpu();
926 if (task == current) 926 if (task == current)
927 update_debugctlmsr(debugctlmsr); 927 update_debugctlmsr(debugctlmsr);
928
929 if (task->thread.debugctlmsr)
930 set_tsk_thread_flag(task, TIF_DEBUGCTLMSR);
931 else
932 clear_tsk_thread_flag(task, TIF_DEBUGCTLMSR);
933 put_cpu(); 928 put_cpu();
934} 929}
935 930