From: Colin Cross <ccross@android.com>
To: Darren Hart <dvhart@linux.intel.com>
Cc: "Linux PM list" <linux-pm@vger.kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
"Rafael J. Wysocki" <rjw@sisk.pl>,
"Arve Hjønnevåg" <arve@android.com>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Al Viro" <viro@zeniv.linux.org.uk>,
"Matthew Helsley" <matthltc@us.ibm.com>
Subject: Re: [PATCH 07/10] futex: use freezable blocking call
Date: Mon, 29 Apr 2013 16:46:15 -0700 [thread overview]
Message-ID: <CAMbhsRRb3s_r7i2id-nZHS5koxe-X+86qVGeYtoBqLWQdR0=iQ@mail.gmail.com> (raw)
In-Reply-To: <517EF9AB.8080508@linux.intel.com>
On Mon, Apr 29, 2013 at 3:52 PM, Darren Hart <dvhart@linux.intel.com> wrote:
> Colin,
>
> I don't know anything about when or when not to use freezable*, and I
> suspect that may be true for others as well. A more complete
> description of why it's acceptable here in the commit log might help
> expedite acceptance.
>
Sure, how about:
This call can be converted to a freezable call because it doesn't hold
any locks or release any resources when interrupted that might be
needed by another freezing task or a kernel driver during suspend.
next prev parent reply other threads:[~2013-04-29 23:46 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-29 21:45 [PATCH 00/10] optimize freezing tasks by reducing task wakeups Colin Cross
2013-04-29 21:45 ` [PATCH 01/10] freezer: shorten freezer sleep time using exponential backoff Colin Cross
2013-05-02 12:28 ` Pavel Machek
[not found] ` <1367271946-7239-1-git-send-email-ccross-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org>
2013-04-29 21:45 ` [PATCH 02/10] freezer: skip waking up tasks with PF_FREEZER_SKIP set Colin Cross
[not found] ` <1367271946-7239-3-git-send-email-ccross-z5hGa2qSFaRBDgjK7y7TUQ@public.gmane.org>
2013-04-29 21:51 ` Tejun Heo
[not found] ` <20130429215157.GA2395-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2013-04-29 21:57 ` Tejun Heo
2013-04-29 22:02 ` Colin Cross
[not found] ` <CAMbhsRQHkm=XTYtummEZq1h4sa-tRGwLpk8Uyhpj9D3+jQF3dg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-04-29 22:08 ` Tejun Heo
[not found] ` <20130429220831.GC2395-Gd/HAXX7CRxy/B6EtB590w@public.gmane.org>
2013-04-29 22:16 ` Tejun Heo
2013-04-30 11:48 ` Rafael J. Wysocki
2013-04-30 17:10 ` Oleg Nesterov
2013-04-30 17:15 ` Oleg Nesterov
2013-04-29 21:45 ` [PATCH 03/10] freezer: add new freezable helpers using freezer_do_not_count() Colin Cross
2013-05-02 12:48 ` Pavel Machek
2013-05-02 13:05 ` Oliver Neukum
2013-05-02 13:46 ` Pavel Machek
2013-05-02 17:05 ` Colin Cross
2013-05-03 14:00 ` Pavel Machek
2013-04-29 21:45 ` [PATCH 04/10] binder: use freezable blocking calls Colin Cross
2013-04-29 21:45 ` [PATCH 05/10] epoll: use freezable blocking call Colin Cross
2013-04-29 21:45 ` [PATCH 06/10] select: " Colin Cross
2013-04-29 21:45 ` [PATCH 07/10] futex: " Colin Cross
2013-04-29 22:52 ` Darren Hart
2013-04-29 23:46 ` Colin Cross [this message]
2013-05-02 19:52 ` Matt Helsley
2013-04-29 21:45 ` [PATCH 08/10] nanosleep: " Colin Cross
2013-04-29 21:45 ` [PATCH 09/10] sigtimedwait: " Colin Cross
2013-04-30 16:38 ` Oleg Nesterov
2013-04-30 16:56 ` Oleg Nesterov
2013-04-30 16:58 ` Colin Cross
2013-04-30 17:00 ` Oleg Nesterov
2013-04-29 21:45 ` [PATCH 10/10] af_unix: use freezable blocking calls in read Colin Cross
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