Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262772AbUF3UzK (ORCPT ); Wed, 30 Jun 2004 16:55:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262768AbUF3UzJ (ORCPT ); Wed, 30 Jun 2004 16:55:09 -0400 Received: from mx1.redhat.com ([66.187.233.31]:5067 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S262730AbUF3UzF (ORCPT ); Wed, 30 Jun 2004 16:55:05 -0400 Date: Wed, 30 Jun 2004 13:54:19 -0700 From: "David S. Miller" To: Jakub Jelinek Cc: jamie@shareable.org, wesolows@foobazco.org, sparclinux@vger.kernel.org, ultralinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: A question about PROT_NONE on Sparc and Sparc64 Message-Id: <20040630135419.25b843b8.davem@redhat.com> In-Reply-To: <20040630082804.GS21264@devserv.devel.redhat.com> References: <20040630030503.GA25149@mail.shareable.org> <20040630082804.GS21264@devserv.devel.redhat.com> X-Mailer: Sylpheed version 0.9.12 (GTK+ 1.2.10; sparc-unknown-linux-gnu) X-Face: "_;p5u5aPsO,_Vsx"^v-pEq09'CU4&Dc1$fQExov$62l60cgCc%FnIwD=.UF^a>?5'9Kn[;433QFVV9M..2eN.@4ZWPGbdi<=?[:T>y?SD(R*-3It"Vj:)"dP Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 564 Lines: 14 On Wed, 30 Jun 2004 04:28:05 -0400 Jakub Jelinek wrote: > I believe R!X and X!R pages ought to be possible on sparc64 too, just use a > different bit as "read" in the fast ITLB miss handler from the one fast DTLB > miss uses. That's correct. But I have no plans to implement this any time soon :-) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/