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authorMarkus Metzger <markus.t.metzger@intel.com>2009-03-05 02:57:21 -0500
committerIngo Molnar <mingo@elte.hu>2009-03-06 10:13:15 -0500
commit73bf1b62f561fc8ecb00e2810efe4fe769f4933e (patch)
tree8c3b68141deb73003b59a4a26250223ec7b36c0a /arch
parent9ca0791dcaa666e8e8f4b4ca028b65b4bde9cb28 (diff)
x86, pebs: correct qualifier passed to ds_write_config() from ds_request_pebs()
ds_write_config() can write the BTS as well as the PEBS part of the DS config. ds_request_pebs() passes the wrong qualifier, which results in the wrong configuration to be written. Reported-by: Stephane Eranian <eranian@googlemail.com> Signed-off-by: Markus Metzger <markus.t.metzger@intel.com> LKML-Reference: <20090305085721.A22550@sedona.ch.intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kernel/ds.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/ds.c b/arch/x86/kernel/ds.c
index de7cdbda1c36..87b67e3a765a 100644
--- a/arch/x86/kernel/ds.c
+++ b/arch/x86/kernel/ds.c
@@ -729,7 +729,7 @@ struct pebs_tracer *ds_request_pebs(struct task_struct *task,
729 729
730 spin_unlock_irqrestore(&ds_lock, irq); 730 spin_unlock_irqrestore(&ds_lock, irq);
731 731
732 ds_write_config(tracer->ds.context, &tracer->trace.ds, ds_bts); 732 ds_write_config(tracer->ds.context, &tracer->trace.ds, ds_pebs);
733 ds_resume_pebs(tracer); 733 ds_resume_pebs(tracer);
734 734
735 return tracer; 735 return tracer;