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x86, pebs: correct qualifier passed to ds_write_config() from ds_request_pebs()

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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>
This commit is contained in:
Markus Metzger 2009-03-05 08:57:21 +01:00 committed by Ingo Molnar
parent 9ca0791dca
commit 73bf1b62f5
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/ds.c
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@ -729,7 +729,7 @@ struct pebs_tracer *ds_request_pebs(struct task_struct *task,
spin_unlock_irqrestore(&ds_lock, irq);
ds_write_config(tracer->ds.context, &tracer->trace.ds, ds_bts);
ds_write_config(tracer->ds.context, &tracer->trace.ds, ds_pebs);
ds_resume_pebs(tracer);
return tracer;