From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arthur Kepner Subject: Re: [PATCH] s2io: replace readq() with mmiowb() in s2io_xmit() Date: Tue, 3 May 2005 07:52:06 -0700 (PDT) Message-ID: References: <03d401c54f8c$03917fd0$5c10100a@pc.s2io.com> <20050503030620.GE12682@krispykreme> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Ramkrishna Vepa , "'Leonid Grossman'" , muhammad.shafiq@neterion.com, ramkrishna.vepa@neterion.com, netdev@oss.sgi.com, "'Ravinandan Arakali'" Return-path: To: Anton Blanchard In-Reply-To: <20050503030620.GE12682@krispykreme> Sender: netdev-bounce@oss.sgi.com Errors-to: netdev-bounce@oss.sgi.com List-Id: netdev.vger.kernel.org On Tue, 3 May 2005, Anton Blanchard wrote: > > > [Ram] Yes, it is to ensure ordering as well as the flush of the io that is > > required in some platforms. > > If the flush of the IO is required I cant see how we can remove the read. > Agreed. Can someone from neterion comment? Is a flush required, or is ordering all that's required here? -- Arthur