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From: Dave Jones <davej@redhat.com>
To: Matt Mackall <mpm@selenic.com>
Cc: Roger Luethi <rl@hellgate.ch>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] use mmiowb in via-rhine
Date: Wed, 19 Jan 2005 15:29:27 -0500	[thread overview]
Message-ID: <20050119202927.GA21673@redhat.com> (raw)
In-Reply-To: <20050119202220.GT12076@waste.org>

On Wed, Jan 19, 2005 at 12:22:20PM -0800, Matt Mackall wrote:
 > Use the generic PCI memory barrier. Test-compiled.

This can't be right.

 > Signed-off-by: Matt Mackall <mpm@selenic.com>
 > 
 > Index: bk/drivers/net/via-rhine.c
 > ===================================================================
 > --- bk.orig/drivers/net/via-rhine.c	2005-01-19 12:06:52.283455936 -0800
 > +++ bk/drivers/net/via-rhine.c	2005-01-19 12:18:02.536561976 -0800
 > @@ -351,9 +351,6 @@
 >   * indicator. In addition, Tx and Rx buffers need to 4 byte aligned.
 >   */
 >  
 > -/* Beware of PCI posted writes */
 > -#define IOSYNC	do { ioread8(ioaddr + StationAddr); } while (0)
 > -

You're replacing a PCI ordering barrier with..

include/asm-i386/io.h:#define mmiowb()

nothing ?

		Dave


      parent reply	other threads:[~2005-01-19 20:29 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-19 20:22 [PATCH] use mmiowb in via-rhine Matt Mackall
2005-01-19 20:29 ` Matt Mackall
2005-01-19 20:29 ` Dave Jones [this message]

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