linux-kernel - Re: [PATCH] x86: Split off mem*io functions

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Message-ID: <3289381.F4yDCuQyhd@moka>
Date:	Tue, 13 Dec 2011 10:23:09 +0100
From:	Tim Blechmann <tim@...ngt.org>
To:	Brian Gerst <brgerst@...il.com>
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com,
	torvalds@...ux-foundation.org, x86@...nel.org
Subject: Re: [PATCH] x86: Split off mem*io functions

> > Commit 6175ddf06b6172046a329e3abfd9c901a43efd2e changed the mem*io
> > functions to use the standard memcpy/memset routines, but there were
> > unintended consequences.  Some devices cannot cope with 64-bit or
> > non-sequential accesses that the optimized routines do.  Change them
> > back to simple 32-bit sequential writes.
> 
> Tim, please test the lx6464es driver with this patch and commit
> a2987855 reverted.

unfortunately, it will take some time before i will be able to access the 
machine with the lx6464es device. will report back, when i've tested your 
patch, but it might take a few weeks ...

tim

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