RE: [PATCH 06/19] kernel: convert perf_event_context.refcount from atomic_t to refcount_t

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.