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| author | Paul Mundt <lethal@linux-sh.org> | 2012-03-28 06:53:10 +0200 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2012-03-28 06:53:10 +0200 |
| commit | 18af30e259c25a64ad69bb749c661564bc886275 (patch) | |
| tree | 996c89594fd20f25fcc15b5843625d99473f6982 /arch/alpha/kernel/perf_event.c | |
| parent | arch/sh/drivers/dma/{dma-g2,dmabrg}.c: ensure arguments to request_irq and fr... (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s39... (diff) | |
| download | linux-18af30e259c25a64ad69bb749c661564bc886275.tar.xz linux-18af30e259c25a64ad69bb749c661564bc886275.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest
Diffstat (limited to 'arch/alpha/kernel/perf_event.c')
| -rw-r--r-- | arch/alpha/kernel/perf_event.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/alpha/kernel/perf_event.c b/arch/alpha/kernel/perf_event.c index 8143cd7cdbfb..0dae252f7a33 100644 --- a/arch/alpha/kernel/perf_event.c +++ b/arch/alpha/kernel/perf_event.c @@ -685,6 +685,10 @@ static int alpha_pmu_event_init(struct perf_event *event) { int err; + /* does not support taken branch sampling */ + if (has_branch_stack(event)) + return -EOPNOTSUPP; + switch (event->attr.type) { case PERF_TYPE_RAW: case PERF_TYPE_HARDWARE: |