Re: [Linux-fbdev-devel] Re: [PATCH] fbdev: Fix IO access in rivafb

From: Antonino A. Daplas
Date: Sat Nov 13 2004 - 07:01:55 EST


On Saturday 13 November 2004 19:22, Guido Guenther wrote:
> On Sat, Nov 13, 2004 at 12:39:32PM +1100, Benjamin Herrenschmidt wrote:
> > On Fri, 2004-11-12 at 20:18 +0100, Guido Guenther wrote:
> In 2.6.10-rc1-mm5 {in,out}_8 and read/writeb are exactly identical, only
> __raw_{read,write}b is different. So you mean __raw_{read,write}b in the
> above? (no nitpicking, just want to be sure I understand this
> correctly).

Why not use in_be* and out_be* for __raw_read and raw_write? If I
understand correctly, they also have barriers. Or would that hurt
performance?

Tony


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