Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261606AbUDNUFn (ORCPT ); Wed, 14 Apr 2004 16:05:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261530AbUDNUFn (ORCPT ); Wed, 14 Apr 2004 16:05:43 -0400 Received: from palrel11.hp.com ([156.153.255.246]:25564 "EHLO palrel11.hp.com") by vger.kernel.org with ESMTP id S261606AbUDNUFg (ORCPT ); Wed, 14 Apr 2004 16:05:36 -0400 From: David Mosberger MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <16509.39308.8764.219@napali.hpl.hp.com> Date: Wed, 14 Apr 2004 13:05:32 -0700 To: Jamie Lokier Cc: davidm@hpl.hp.com, linux-ia64@linuxia64.org, "Siddha, Suresh B" , Andrew Morton , Kurt Garloff , linux-kernel@vger.kernel.org, mingo@redhat.com Subject: Re: [PATCH] (IA64) Fix ugly __[PS]* macros in In-Reply-To: <20040414192844.GD12105@mail.shareable.org> References: <9AB83E4717F13F419BD880F5254709E5011EBABA@scsmsx402.sc.intel.com> <20040414082355.GA8303@mail.shareable.org> <20040414113753.GA9413@mail.shareable.org> <16509.25006.96933.584153@napali.hpl.hp.com> <20040414184603.GA12105@mail.shareable.org> <16509.35554.807689.904871@napali.hpl.hp.com> <20040414192844.GD12105@mail.shareable.org> X-Mailer: VM 7.18 under Emacs 21.3.1 Reply-To: davidm@hpl.hp.com X-URL: http://www.hpl.hp.com/personal/David_Mosberger/ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 878 Lines: 23 >>>>> On Wed, 14 Apr 2004 20:28:44 +0100, Jamie Lokier said: >> I know why: back in those days, GCC emitted code for nested C >> functions that assumed an executable stack. Also, Linus wasn't >> terribly eager to turn off execute-permission on data/stacks. >> Even on ia64 we started out that way, until I saw the error in my >> ways. Jamie> We're both wrong. No, Alpha Linux didn't map data without execute permission. Jamie> What it doesn't have is write-only. Yes, that one is because earlier Alphas couldn't do subword stores, so WRITE-permission necessitated READ-permission. --david - 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/