aboutsummaryrefslogtreecommitdiff
path: root/arch/sparc/kernel/perf_event.c
diff options
context:
space:
mode:
authorMichal Simek <[email protected]>2012-03-30 12:10:03 +0200
committerMichal Simek <[email protected]>2012-03-30 12:10:03 +0200
commit6a4770e335bd4df0a4577146f76e116ab6e23f40 (patch)
tree305056c20b6ccf3a4fed00e9e32f3a1dd039cd70 /arch/sparc/kernel/perf_event.c
parentac64a9caa55bdfd8d24784f25c68cb7919ddabe3 (diff)
parentf52b69f86e27903d6896ed5fa7cd280fec8de532 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'arch/sparc/kernel/perf_event.c')
-rw-r--r--arch/sparc/kernel/perf_event.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 614da624330c..28559ce5eeb5 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -25,6 +25,8 @@
#include <linux/atomic.h>
#include <asm/nmi.h>
#include <asm/pcr.h>
+#include <asm/perfctr.h>
+#include <asm/cacheflush.h>
#include "kernel.h"
#include "kstack.h"
@@ -1105,6 +1107,10 @@ static int sparc_pmu_event_init(struct perf_event *event)
if (atomic_read(&nmi_active) < 0)
return -ENODEV;
+ /* does not support taken branch sampling */
+ if (has_branch_stack(event))
+ return -EOPNOTSUPP;
+
switch (attr->type) {
case PERF_TYPE_HARDWARE:
if (attr->config >= sparc_pmu->max_events)