From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from terminus.zytor.com ([2001:1868:205::10] helo=mail.zytor.com) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1WBujr-0002u8-B6 for kexec@lists.infradead.org; Fri, 07 Feb 2014 23:21:40 +0000 Message-ID: <52F56A40.60707@zytor.com> Date: Fri, 07 Feb 2014 15:20:32 -0800 From: "H. Peter Anvin" MIME-Version: 1.0 Subject: Re: [GIT PULL] x86/kaslr for v3.14 References: <201401201647.s0KGlZdh004167@tazenda.hos.anvin.org> <52E5EFAF.3060609@linux.intel.com> <52E601DA.7010605@zytor.com> <20140130220708.GP9951@redhat.com> <20140207144914.GA5949@redhat.com> <52F503FD.8080607@linux.intel.com> <20140207162408.GD6967@redhat.com> <20140207231626.GA3840@dhcp-16-126.nay.redhat.com> In-Reply-To: <20140207231626.GA3840@dhcp-16-126.nay.redhat.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "kexec" Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: Dave Young , Vivek Goyal Cc: Kees Cook , Cong Ding , Richard Weinberger , Linus Torvalds , Ingo Molnar , Kexec Mailing List , Linux Kernel Mailing List , Ingo Molnar , Michael Davidson , Wei Yongjun , Thomas Gleixner , "H. Peter Anvin" , Yinghai Lu , Mathias Krause On 02/07/2014 03:16 PM, Dave Young wrote: > > Hi Vivek, > > Chaowang is looking into passing setup_data SETUP_E820_EXT > instead of using exactmap. Previously Thomas Renninger tried passing them in e820. > I did not find the old thread, but I remember it's not enough because of the > 128 entries limitation. > THERE IS NO SUCH LIMITATION. Only 128 slots fit in struct boot_params, but additional entries can be added to the setup_data linked list. -hpa _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752071AbaBGXVp (ORCPT ); Fri, 7 Feb 2014 18:21:45 -0500 Received: from terminus.zytor.com ([198.137.202.10]:60782 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751362AbaBGXVo (ORCPT ); Fri, 7 Feb 2014 18:21:44 -0500 Message-ID: <52F56A40.60707@zytor.com> Date: Fri, 07 Feb 2014 15:20:32 -0800 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 MIME-Version: 1.0 To: Dave Young , Vivek Goyal CC: "H. Peter Anvin" , Kees Cook , Cong Ding , Richard Weinberger , Kexec Mailing List , Linux Kernel Mailing List , Mathias Krause , Michael Davidson , Wei Yongjun , Thomas Gleixner , Yinghai Lu , Ingo Molnar , Linus Torvalds , Ingo Molnar Subject: Re: [GIT PULL] x86/kaslr for v3.14 References: <201401201647.s0KGlZdh004167@tazenda.hos.anvin.org> <52E5EFAF.3060609@linux.intel.com> <52E601DA.7010605@zytor.com> <20140130220708.GP9951@redhat.com> <20140207144914.GA5949@redhat.com> <52F503FD.8080607@linux.intel.com> <20140207162408.GD6967@redhat.com> <20140207231626.GA3840@dhcp-16-126.nay.redhat.com> In-Reply-To: <20140207231626.GA3840@dhcp-16-126.nay.redhat.com> X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/07/2014 03:16 PM, Dave Young wrote: > > Hi Vivek, > > Chaowang is looking into passing setup_data SETUP_E820_EXT > instead of using exactmap. Previously Thomas Renninger tried passing them in e820. > I did not find the old thread, but I remember it's not enough because of the > 128 entries limitation. > THERE IS NO SUCH LIMITATION. Only 128 slots fit in struct boot_params, but additional entries can be added to the setup_data linked list. -hpa