netdev - Re: [PATCHv4] usbnet: Resubmit interrupt URB once if halted

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Date:	Thu, 21 Apr 2011 22:00:26 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Paul Stewart <pstew@...omium.org>, netdev@...r.kernel.org,
	linux-usb@...r.kernel.org, davem@...emloft.net, greg@...ah.com
Subject: Re: [PATCHv4] usbnet: Resubmit interrupt URB once if halted

Am Donnerstag, 21. April 2011, 16:03:34 schrieb Alan Stern:
> On Tue, 19 Apr 2011, Paul Stewart wrote:

> > This version of the patch moves the urb submit directly into
> > usbnet_resume.  Is it okay to submit a GFP_KERNEL urb from
> > usbnet_resume()?

Suppose a device of two interfaces one of them storage is autosuspended.
GFP_KERNEL in the first device to be resumed triggers a pageout to the
suspended storage device.

	Regards
		Oliver
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