Messages in this thread Patch in this message | | | Date | Thu, 02 Apr 2009 16:55:11 +0200 | From | markus.t.metzger@intel ... | Subject | [patch 16/18] x86, ds: dont use TIF_DEBUGCTLMSR |
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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> --- 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 @@ -953,11 +953,6 @@ 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(); } -- --------------------------------------------------------------------- Intel GmbH Dornacher Strasse 1 85622 Feldkirchen/Muenchen Germany Sitz der Gesellschaft: Feldkirchen bei Muenchen Geschaeftsfuehrer: Douglas Lusk, Peter Gleissner, Hannes Schwaderer Registergericht: Muenchen HRB 47456 Ust.-IdNr. VAT Registration No.: DE129385895 Citibank Frankfurt (BLZ 502 109 00) 600119052
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