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Re: [PATCH 07/10] perf: Directly pass PERF_AUX_* flags to perf_aux_output_end

From Alexander Shishkin <alexander.shishkin@linux.intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH 07/10] perf: Directly pass PERF_AUX_* flags to perf_aux_output_end
Date 2017-02-17 15:20 +0100
Message-ID <tbRya-5mq-23@gated-at.bofh.it> (permalink)
References <t4j8d-7uS-11@gated-at.bofh.it> <t4j8d-7uS-17@gated-at.bofh.it> <tbR57-4Vq-15@gated-at.bofh.it> <tbRou-5iA-23@gated-at.bofh.it>
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Will Deacon <will.deacon@arm.com> writes:

> On Fri, Feb 17, 2017 at 03:40:23PM +0200, Alexander Shishkin wrote:
>> Will Deacon <will.deacon@arm.com> writes:
>> 
>> > @@ -485,7 +485,8 @@ int intel_bts_interrupt(void)
>> >  		return handled;
>> >  
>> >  	perf_aux_output_end(&bts->handle, local_xchg(&buf->data_size, 0),
>> > -			    !!local_xchg(&buf->lost, 0));
>> > +			    local_xchg(&buf->lost, 0) ?
>> > +			    PERF_AUX_FLAG_OVERWRITE : 0);
>> 
>> Heh, this one would have taken some time to debug. :)
>
> Don't worry, this isn't a bug fix! This patch changes the prototype for
> perf_aux_output_end so that it takes the flag instead of a "bool truncated"
> parameter, so this is just fixing up the callers at the same time.

Yeah, I got that, what I'm saying is that the above should be
PERF_AUX_FLAG_TRUNCATED, not OVERWRITE. I only spotted it by accident.

Regards,
--
Alex

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Re: [PATCH 07/10] perf: Directly pass PERF_AUX_* flags to perf_aux_output_end Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2017-02-17 14:50 +0100
  Re: [PATCH 07/10] perf: Directly pass PERF_AUX_* flags to  perf_aux_output_end Will Deacon <will.deacon@arm.com> - 2017-02-17 15:10 +0100
    Re: [PATCH 07/10] perf: Directly pass PERF_AUX_* flags to perf_aux_output_end Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2017-02-17 15:20 +0100
      Re: [PATCH 07/10] perf: Directly pass PERF_AUX_* flags to  perf_aux_output_end Will Deacon <will.deacon@arm.com> - 2017-02-17 15:50 +0100
        Re: [PATCH 07/10] perf: Directly pass PERF_AUX_* flags to perf_aux_output_end Alexander Shishkin <alexander.shishkin@linux.intel.com> - 2017-02-17 16:10 +0100

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