linux-kernel - Re: [PATCH v2 2/3] USB: ehci-tegra: fix inefficient copy of unaligned buffers

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Message-ID: <20150424063129.GA320@localhost>
Date:	Fri, 24 Apr 2015 08:31:29 +0200
From:	Johan Hovold <johan@...nel.org>
To:	Stephen Warren <swarren@...dotorg.org>
Cc:	Johan Hovold <johan@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Felipe Balbi <balbi@...com>,
	Alan Stern <stern@...land.harvard.edu>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...il.com>,
	linux-tegra@...r.kernel.org
Subject: Re: [PATCH v2 2/3] USB: ehci-tegra: fix inefficient copy of
 unaligned buffers

On Thu, Apr 23, 2015 at 02:32:26PM -0600, Stephen Warren wrote:
> On 04/23/2015 08:06 AM, Johan Hovold wrote:
> > Make sure only to copy any actual data rather than the whole buffer,
> > when releasing the temporary buffer used for unaligned non-isochronous
> > transfers.
> >
> > Compile-tested only.
> 
> Tested-by: Stephen Warren <swarren@...dia.com>
> 
> (Tested a USB network device attached to Jetson TK1, with a large 
> download, and ping packets of various sizes from another host)

Thanks for testing, Stephen!

Johan
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