linux-kernel - Re: [PATCH 6/6] PM / Sleep: Mitigate race between the freezer and request

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Message-ID: <4F70B261.7060402@codeaurora.org>
Date:	Mon, 26 Mar 2012 11:16:01 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Saravana Kannan <skannan@...eaurora.org>,
	Kay Sievers <kay.sievers@...y.org>,
	Greg KH <gregkh@...uxfoundation.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 6/6] PM / Sleep: Mitigate race between the freezer and
 request_firmware()

On 03/25/12 15:04, Rafael J. Wysocki wrote:
> Index: linux/kernel/power/process.c
> ===================================================================
> --- linux.orig/kernel/power/process.c
> +++ linux/kernel/power/process.c
> @@ -135,6 +135,7 @@ int freeze_processes(void)
>  	error = try_to_freeze_tasks(true);
>  	if (!error) {
>  		printk("done.");
> +		__usermodehelper_reset(UMH_DISABLED);
>  		oom_killer_disable();
>  	}
>  	printk("\n");

nitpick: This doesn't seem to be doing a reset, more like a set. Perhaps
this function should be called __usermodehelper_set()?

-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.

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