From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Mon, 10 Sep 2001 14:51:03 +0000 Subject: Re: [Linux-ia64] Re: Write Combining (Write Coalescing) on memory mapped 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 Mon, 10 Sep 2001 16:16:31 +0200, Steffen Persvold said: Steffen> Steffen Persvold wrote: >> Do you think it's easier to set up a region which is mapped all >> the time, so that ioremap_nocache() uses the already defined >> region 6 for uncached accesses and ioremap() uses this new region >> with "Write Coalescing" enabled ? How should I proceed to >> introduce such a region ? Steffen> I haven't received any response. Does that mean that you Steffen> guys don't even care about this issue ?? I thought I had answered this already: I don't think it's worthwhile to use up another region for write combining mappings. There are no free regions at the moment at any rate. It's quite possible that we'll get rid of the uncached region at some point in the future as well. --david