From: Peter Zijlstra <peterz@infradead.org>
To: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org, h.mitake@gmail.com,
Paul Mackerras <paulus@samba.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Frederic Weisbecker <fweisbec@gmail.com>
Subject: Re: [PATCH] Add "nested" field to event of lock_release
Date: Sat, 10 Apr 2010 15:59:46 +0200 [thread overview]
Message-ID: <1270907986.4222.2.camel@twins> (raw)
In-Reply-To: <1270896100-7935-1-git-send-email-mitake@dcl.info.waseda.ac.jp>
On Sat, 2010-04-10 at 19:41 +0900, Hitoshi Mitake wrote:
> State machine of perf lock requires "nested" field of lock_release(),
> so this patch adds it to event.
>
> Signed-off-by: Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp>
> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
> Cc: Paul Mackerras <paulus@samba.org>
> Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
> Cc: Frederic Weisbecker <fweisbec@gmail.com>
The nested flag only indicates if it could be nested, not if it was
actually nested. So no, this doesn't make any sense at all.
(in fact, pretty much every lock_release out there has nested=1)
next prev parent reply other threads:[~2010-04-10 14:00 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-10 10:41 [PATCH] Add "nested" field to event of lock_release Hitoshi Mitake
2010-04-10 13:59 ` Peter Zijlstra [this message]
2010-04-10 14:50 ` Hitoshi Mitake
2010-04-10 17:45 ` Peter Zijlstra
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