linux-kernel - Re: [PATCH] perf lock contention: Add a missing NULL check

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Date: Tue, 2 Apr 2024 18:37:28 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Namhyung Kim <namhyung@...nel.org>
Cc: Ian Rogers <irogers@...gle.com>, Kan Liang <kan.liang@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	linux-perf-users@...r.kernel.org, Song Liu <song@...nel.org>,
	bpf@...r.kernel.org
Subject: Re: [PATCH] perf lock contention: Add a missing NULL check

On Tue, Apr 02, 2024 at 01:42:05PM -0700, Namhyung Kim wrote:
> On Tue, Apr 2, 2024 at 12:45 PM Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> > Acked-by: Arnaldo Carvalho de Melo <acme@...hat.com>

> > Are you going to have this merged into perf-tools?

> > A Fixes: tag isn't perhaps needed as it worked in the past?
 
> Fixes: 1811e82767dcc ("perf lock contention: Track and show siglock
> with address")
 
> It was introduced in v6.4 and it should be fine to have this
> even without the error.  I'll queue it to perf-tools.

ok, better, people trying the tool with a recent kernel will experience
this, so its the right thing to get it thru perf-tools.

Thanks!

- Arnaldo