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Re: [PATCH 2/7] perf: Generalize task_function_call()ers

From Alexander Shishkin <alexander.shishkin@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/7] perf: Generalize task_function_call()ers
Date 2015-12-18 16:10 +0100
Message-ID <qH4Po-7gd-3@gated-at.bofh.it> (permalink)
References (4 earlier) <qDtMm-4Ra-23@gated-at.bofh.it> <qGH6q-8ue-15@gated-at.bofh.it> <qGHJ8-Ah-17@gated-at.bofh.it> <qGIlQ-154-27@gated-at.bofh.it> <qGZd0-3FA-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Peter Zijlstra <peterz@infradead.org> writes:

> @@ -2774,9 +2696,6 @@ static void perf_event_context_sched_in(
>  	 */
>  	cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
>  
> -	if (ctx->nr_events)
> -		cpuctx->task_ctx = ctx;
> -
>  	perf_event_sched_in(cpuctx, cpuctx->task_ctx, task);

This then should probably become

  	perf_event_sched_in(cpuctx, ctx, task);

otherwise task contexts just don't get scheduled any more.

Regards,
--
Alex
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Re: [PATCH 2/7] perf: Generalize task_function_call()ers Peter Zijlstra <peterz@infradead.org> - 2015-12-17 14:50 +0100
  Re: [PATCH 2/7] perf: Generalize task_function_call()ers Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2015-12-17 15:30 +0100
    Re: [PATCH 2/7] perf: Generalize task_function_call()ers Peter Zijlstra <peterz@infradead.org> - 2015-12-17 16:10 +0100
      Re: [PATCH 2/7] perf: Generalize task_function_call()ers Peter Zijlstra <peterz@infradead.org> - 2015-12-18 10:10 +0100
        Re: [PATCH 2/7] perf: Generalize task_function_call()ers Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2015-12-18 16:10 +0100
          Re: [PATCH 2/7] perf: Generalize task_function_call()ers Peter Zijlstra <peterz@infradead.org> - 2015-12-18 17:50 +0100
            Re: [PATCH 2/7] perf: Generalize task_function_call()ers Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2015-12-18 18:50 +0100
        Re: [PATCH 2/7] perf: Generalize task_function_call()ers Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2015-12-21 15:50 +0100

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