From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cantor.suse.de ([195.135.220.2]:58942 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750753AbYAPFsd (ORCPT ); Wed, 16 Jan 2008 00:48:33 -0500 Date: Wed, 16 Jan 2008 06:48:31 +0100 From: Nick Piggin Subject: Re: [rfc][patch 2/2] mm: introduce optional pte_special pte bit Message-ID: <20080116054831.GD14049@wotan.suse.de> References: <20080116043728.GA7684@wotan.suse.de> <20080115.205152.153390863.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-arch-owner@vger.kernel.org List-ID: To: Linus Torvalds Cc: David Miller , hugh@veritas.com, jaredeh@gmail.com, cotte@de.ibm.com, schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com, linux-arch@vger.kernel.org On Tue, Jan 15, 2008 at 09:23:57PM -0800, Linus Torvalds wrote: > > > On Tue, 15 Jan 2008, David Miller wrote: > > > > From: Linus Torvalds > > Date: Tue, 15 Jan 2008 20:48:42 -0800 (PST) > > > > > Can you give a pointer to some browsable archive? > > > > http://marc.info/?l=linux-arch > > .. and the discussion itself that actually explains why ARM has problems > and why S390 suddenly _does_ have a bit for this after all? > > (Not that I consider marc to be really "browsable" in the first place.. ) > > Linus I sent you an exact link to the thread on marc in an earlier message... not many others archive linux-arch or linux-mm unfortunately. But no I didn't see a discussion of why s390 does have a bit, beyond the s390 devs just asserting there is one, and providing a patch ;) I never saw any of the discussions concluding that s390 does *not* have a bit spare. Do you recall if they were public?