From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 24 Jan 2001 09:14:02 -0600 From: Timur Tabi In-Reply-To: References: Subject: Re: ioremap_nocache problem? Message-Id: <20010124151115Z131195-222+36@kanga.kvack.org> Sender: owner-linux-mm@kvack.org Return-Path: To: David Wragg Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org List-ID: ** 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux.eu.org/Linux-MM/