From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 24 Jan 2001 10:14:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 24 Jan 2001 10:14:16 -0500 Received: from jump-isi.interactivesi.com ([207.8.4.2]:43769 "HELO dinero.interactivesi.com") by vger.kernel.org with SMTP id ; Wed, 24 Jan 2001 10:14:03 -0500 Date: Wed, 24 Jan 2001 09:14:02 -0600 From: Timur Tabi To: David Wragg Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org In-Reply-To: In-Reply-To: Subject: Re: ioremap_nocache problem? X-Mailer: The Polarbar Mailer; version=1.19a; build=73 Message-Id: <20010124151413Z130290-18595+585@vger.kernel.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org ** Reply to message from David Wragg on 24 Jan 2001 00:50:20 +0000 > (x86 processors with PAT and IA64 can set write-combining through page > flags. x86 processors with MTRRs but not PAT would need a more > elaborate implementation for write-combining.) What is PAT? I desperately need to figure out how to turn on write combining on a per-page level. I thought I had to use MTRRs, but now you're saying I can use this "PAT" thing instead. Please explain! -- Timur Tabi - ttabi@interactivesi.com Interactive Silicon - http://www.interactivesi.com When replying to a mailing-list message, please direct the reply to the mailing list only. Don't send another copy to me. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/