linux-kernel - Re: [PATCH 07/10] futex: use freezable blocking call

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Date:	Mon, 29 Apr 2013 16:46:15 -0700
From:	Colin Cross <ccross@...roid.com>
To:	Darren Hart <dvhart@...ux.intel.com>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Arve Hjønnevåg <arve@...roid.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Randy Dunlap <rdunlap@...radead.org>,
	Al Viro <viro@...iv.linux.org.uk>,
	Matthew Helsley <matthltc@...ibm.com>
Subject: Re: [PATCH 07/10] futex: use freezable blocking call

On Mon, Apr 29, 2013 at 3:52 PM, Darren Hart <dvhart@...ux.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.
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