From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Date: Wed, 24 Apr 2002 17:39:29 +0000 Subject: Re: [Linux-ia64] Re: PCI DAC routines for SN 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 From: Grant Grundler Date: Wed, 24 Apr 2002 09:13:15 -0700 Jesse Barnes wrote: > Right. But some platforms _can_ do DAC addressing for regions that > need to be coherent. Seems like we shouldn't penalize good hardware > just because there's a lot of bad hardware out there. Can you be more specific about which HW you are talking about? (ie which PCI device can do 64-bit DAC to coherent regions) I remember that the qla2200's can...