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| author | Markus Metzger <markus.t.metzger@intel.com> | 2009-04-03 16:43:49 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-07 13:36:32 +0200 |
| commit | 6047550d3d26fed88b18a208b31f8b90b5ef3e9b (patch) | |
| tree | c1b67cde5c746883ea4bcbb4dc523261796237cf /arch/x86/kernel/ds.c | |
| parent | x86, ptrace: add bts context unconditionally (diff) | |
| download | linux-6047550d3d26fed88b18a208b31f8b90b5ef3e9b.tar.xz linux-6047550d3d26fed88b18a208b31f8b90b5ef3e9b.zip | |
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 '')
| -rw-r--r-- | arch/x86/kernel/ds.c | 5 |
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, 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(); } |