From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Date: Thu, 10 Jan 2002 21:28:41 +0000 Subject: Re: [Linux-ia64] [PATCH] mmio barrier patch update Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org On Thu, Jan 10, 2002 at 01:28:35PM -0800, David Mosberger wrote: > I kind of doubt a loop of reads would yield acceptable performance, > but it is a solution that should work properly, so I'm OK with it. I > applied your patch to the 2.5 tree for now. You're right that it would probably be slow, but I'm hoping that most platforms have a sane way to address this problem. I know, for example, that the mips64 port can use a simple 'sync' instruction to accomplish the same thing. Thanks for applying the patch. Any ideas on how I might go about getting this macro accepted by other platform maintainers so that we can sprinkle it into drivers as necessary? Thanks, Jesse