Messages in this thread | | | Date | Fri, 17 Jul 2015 20:07:13 +0800 | From | "Wangnan (F)" <> | Subject | Re: [RFC PATCH 3/6] bpf: Save the pointer to struct perf_event to map |
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On 2015/7/17 20:02, Peter Zijlstra wrote: > On Fri, Jul 17, 2015 at 07:54:55PM +0800, Wangnan (F) wrote: >> Thanks. In next version we will introduce a new function which do oppsite >> thing to >> perf_event_release_kernel() in perf/event/core.c, then fetch the event >> before fdput. > perf_event_get() as proposed, with the addition of the refcount > increment inside the fdget/fdput() is fine. > > Note that the _get() name already implies a refcount increment.
OK, you'll see it in v2.
Thank you.
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