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Message-ID: <20120326184217.GC29332@kroah.com>
Date: Mon, 26 Mar 2012 11:42:17 -0700
From: Greg KH <gregkh@...uxfoundation.org>
To: "Rafael J. Wysocki" <rjw@...k.pl>
Cc: linux-kernel@...r.kernel.org, Stephen Boyd <sboyd@...eaurora.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Saravana Kannan <skannan@...eaurora.org>,
Kay Sievers <kay.sievers@...y.org>,
Christian Lamparter <chunkeey@...glemail.com>,
"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
alan@...rguk.ukuu.org.uk,
Linux PM mailing list <linux-pm@...r.kernel.org>
Subject: Re: [PATCH 0/6] firmware_class: Fix problems with usermodehelper test
On Mon, Mar 26, 2012 at 12:00:34AM +0200, Rafael J. Wysocki wrote:
> Hi all,
>
> The following series of patches fixes two problems with
> request_firmware() and request_firmware_nowait() resulting from commit
> a144c6a6c924aa1da04dd77fb84b89927354fdff
>
> PM: Print a warning if firmware is requested when tasks are frozen
>
> The first problem is that request_firmware_nowait() may fail if it happens
> to run in parallel with system suspend. It should't fail in such situations
> and that is addressed by the first three patches (that code has been discussed
> with Linus at al already).
>
> The second issue is that request_firmware() may be called in a thread which
> isn't related to system suspend and if suspend happens exactly at that time,
> request_firmware() will fail (and print a scary warning), although it shouldn't.
> This problem is addressed by the remaining three patches, which are new.
At first glance, they all look good to me, thanks for doing this work:
Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
I'm guessing this will go in through one of your trees, right?
thanks,
greg k-h
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