linux-kernel - Re: [PATCH v2] USB: EHCI: fix scheduling while atomic during suspend

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Message-ID: <Pine.LNX.4.44L0.1101281026010.2089-100000@iolanthe.rowland.org>
Date:	Fri, 28 Jan 2011 10:27:05 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Yin Kangkai <kangkai.yin@...el.com>
cc:	linux-usb@...r.kernel.org, <linux-kernel@...r.kernel.org>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg Kroah-Hartman <gregkh@...e.de>, <stable@...nel.org>
Subject: Re: [PATCH v2] USB: EHCI: fix scheduling while atomic during suspend

On Fri, 28 Jan 2011, Yin Kangkai wrote:

> There is a msleep with spin lock held during ehci pci suspend, which will
> cause kernel BUG: scheduling while atomic. Fix that.

> v2:
>  - move spin_lock_irqsave to a smaller scope.
> 
> CC: Alan Stern <stern@...land.harvard.edu>
> CC: David Brownell <dbrownell@...rs.sourceforge.net>
> CC: Greg Kroah-Hartman <gregkh@...e.de>
> CC: stable@...nel.org
> Signed-off-by: Yin Kangkai <kangkai.yin@...el.com>

Acked-by: Alan Stern <stern@...land.harvard.edu>

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