linux-kernel - Re: [PATCH] usb: use memdup

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Message-Id: <200905040854.03329.oliver@neukum.org>
Date:	Mon, 4 May 2009 08:54:03 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Li Hong <lihong.hi@...il.com>
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb: use memdup_user()

Am Montag, 4. Mai 2009 05:38:33 schrieb Li Hong:
> The key is: is there any need or probability to use GFP_NOIO instead
> of GFP_KERNEL _here_? It also confuses me to move the user space copy
> outside of the loop.

No. To make it plain. To me any use of memdup_user() in USB code
is a bad idea. I don't want to have to think about a new primitive.

	Regards
		Oliver

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