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Groups > linux.kernel > #1584501
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 06/19] kernel: convert perf_event_context.refcount from atomic_t to refcount_t |
| Date | 2017-02-20 11:40 +0100 |
| Message-ID | <tcTxU-3tt-23@gated-at.bofh.it> (permalink) |
| References | <tcTod-3qg-9@gated-at.bofh.it> <tcTod-3qg-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Feb 20, 2017 at 12:18:55PM +0200, Elena Reshetova wrote:
> +++ b/kernel/events/core.c
> @@ -1108,7 +1108,7 @@ static void perf_event_ctx_deactivate(struct perf_event_context *ctx)
>
> static void get_ctx(struct perf_event_context *ctx)
> {
> - WARN_ON(!atomic_inc_not_zero(&ctx->refcount));
> + WARN_ON(!refcount_inc_not_zero(&ctx->refcount));
> }
You can change that to refcount_inc(), as that has the exact same
semantics.
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[PATCH 06/19] kernel: convert perf_event_context.refcount from atomic_t to refcount_t Elena Reshetova <elena.reshetova@intel.com> - 2017-02-20 11:30 +0100
Re: [PATCH 06/19] kernel: convert perf_event_context.refcount from atomic_t to refcount_t Peter Zijlstra <peterz@infradead.org> - 2017-02-20 11:40 +0100
RE: [PATCH 06/19] kernel: convert perf_event_context.refcount from atomic_t to refcount_t "Reshetova, Elena" <elena.reshetova@intel.com> - 2017-02-20 13:20 +0100
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