On Fri, May 31, 2013 at 10:47:36AM +0200, Robert Richter wrote:
> From: Robert Richter <robert.rich...@calxeda.com>
SNIP
> out:
> mutex_unlock(&per_cpu(pers_events_lock, cpu));
> }
> @@ -182,18 +195,31 @@ fail:
> int perf_get_persistent_event_fd(unsigned cpu, struct perf_event_attr *attr)
> {
> struct pers_event_desc *desc;
> + struct perf_event *event;
> int event_fd = -ENODEV;
>
> mutex_lock(&per_cpu(pers_events_lock, cpu));
maybe check for valid cpu, since perf_get_persistent_event_fd is
called directly from syscall allowing anything in cpu
(unrelated to this patch, but I couldn't find the original
patch that adds perf_get_persistent_event_fd)
jirka
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
