linux-kernel - Re: [BUG] usb_set_device

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Message-ID: <Pine.LNX.4.44L0.1102061022410.20379-100000@netrider.rowland.org>
Date:	Sun, 6 Feb 2011 10:23:54 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
cc:	Minchan Kim <minchan.kim@...il.com>,
	linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [BUG] usb_set_device_state

On Sun, 6 Feb 2011, Rafael J. Wysocki wrote:

> On Sunday, February 06, 2011, Minchan Kim wrote:

> > When I am googling, I found https://lkml.org/lkml/2011/1/14/440.
> > Maybe the bug is caused by that.
> > It is in linux-next and mmotm, not linus tree.
> 
> Yes, it is, thanks!
> 
> I'll revert the patch for now and see how it can be fixed.

Sorry, I didn't mention this because I thought it was obvious.  Before 
that patch, device_set_wakeup_capable() was a simple assignment that 
could run in any context.  After the patch it requires process context.

Alan Stern

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