From: Markus Metzger <markus.t.metzger@intel.com>
To: linux-kernel@vger.kernel.org, mingo@elte.hu, tglx@linutronix.de,
hpa@zytor.com
Cc: markus.t.metzger@intel.com, markus.t.metzger@gmail.com,
roland@redhat.com, eranian@googlemail.com, oleg@redhat.com,
juan.villacis@intel.com, ak@linux.jf.intel.com
Subject: [patch 19/21] x86, ds: don't use TIF_DEBUGCTLMSR
Date: Tue, 31 Mar 2009 15:44:01 +0200 [thread overview]
Message-ID: <20090331154401.A13522@sedona.ch.intel.com> (raw)
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>
---
Index: git-tip/arch/x86/kernel/ds.c
===================================================================
--- git-tip.orig/arch/x86/kernel/ds.c 2009-03-30 19:14:51.000000000 +0200
+++ git-tip/arch/x86/kernel/ds.c 2009-03-30 19:26:02.000000000 +0200
@@ -956,11 +956,6 @@ 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();
}
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reply other threads:[~2009-03-31 14:33 UTC|newest]
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