From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Mosberger Date: Mon, 12 Jul 2004 20:21:31 +0000 Subject: Re: serious performance regression due to NX patch Message-Id: <16626.62155.711114.734967@napali.hpl.hp.com> List-Id: References: <200407100528.i6A5SF8h020094@napali.hpl.hp.com> <20040711123803.GD21264@devserv.devel.redhat.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Linus Torvalds Cc: Ingo Molnar , Jakub Jelinek , davidm@hpl.hp.com, suresh.b.siddha@intel.com, jun.nakajima@intel.com, Andrew Morton , linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org >>>>> On Mon, 12 Jul 2004 13:17:20 -0700 (PDT), Linus Torvalds said: Linus> On Mon, 12 Jul 2004, Ingo Molnar wrote: >> so ... this should be #ifndef ia64? Linus> No. Make it a CONFIG_DEFAULT_NOEXEC and make the relevant Linus> architectures do a Linus> define_bool DEFAULT_NOEXEC y Linus> in their Kconfig files. Would it be better to reverse the sense (i.e., make it DEFAULT_EXEC), since the latter new platforms by default almost certainly do NOT want DEFAULT_EXEC? --david