linux-kernel - Re: [PATCH 1/3] perf tools: Do proper comm override error handling

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Message-ID: <8761plaiy4.fsf@sejong.aot.lge.com>
Date:	Wed, 15 Jan 2014 14:54:27 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Arnaldo Carvalho de Melo <acme@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>, Jiri Olsa <jolsa@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 1/3] perf tools: Do proper comm override error handling

Hi Frederic,

On Tue, 14 Jan 2014 16:37:14 +0100, Frederic Weisbecker wrote:
> The comm overriding API ignores memory allocation failures by silently
> keeping the previous and out of date comm.
>
> As a result, the user may get buggy events without ever being notified
> about the problem and its source.
>
> Lets start to fix this by propagating the error from the API. Not all
> callers may be doing proper error handling on comm set yet but this
> is the first step toward it.

Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks,
Namhyung
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