From: Davidlohr Bueso <dave@stgolabs.net>
To: David Ahern <dsahern@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Mel Gorman <mgorman@suse.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf-bench/futex: Fix hung wakeup tasks after requeueing
Date: Fri, 24 Apr 2015 10:57:17 -0700 [thread overview]
Message-ID: <1429898237.10273.45.camel@stgolabs.net> (raw)
In-Reply-To: <553A826C.8070504@gmail.com>
On Fri, 2015-04-24 at 11:50 -0600, David Ahern wrote:
> On 4/24/15 11:00 AM, Davidlohr Bueso wrote:
> > This bug, while perhaps suggesting missing wakeups in kernel futex
> > code, is merely a consequence of the crappy FUTEX_CMP_REQUEUE man
> > page, incorrectly mentioning that the number of requeued tasks is
> > in fact returned, not the wakeups. This patch acknowledges this
> > and updates the corresponding futex_wake code around it.
>
> Did you submit an update to fix the crappy man page?
There is a major manpage rewrite going on. Hopefully Michael will merge
it soon.
Thanks,
Davidlohr
next prev parent reply other threads:[~2015-04-24 17:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-24 17:00 Davidlohr Bueso
2015-04-24 17:50 ` David Ahern
2015-04-24 17:57 ` Davidlohr Bueso [this message]
2015-05-01 10:15 ` [tip:perf/urgent] perf bench futex: " tip-bot for Davidlohr Bueso
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