Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754062Ab3CVAmD (ORCPT ); Thu, 21 Mar 2013 20:42:03 -0400 Received: from out01.mta.xmission.com ([166.70.13.231]:33422 "EHLO out01.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754000Ab3CVAmB (ORCPT ); Thu, 21 Mar 2013 20:42:01 -0400 From: ebiederm@xmission.com (Eric W. Biederman) To: HATAYAMA Daisuke Cc: vgoyal@redhat.com, cpw@sgi.com, kumagai-atsushi@mxc.nes.nec.co.jp, lisa.mitchell@hp.com, heiko.carstens@de.ibm.com, akpm@linux-foundation.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, zhangyanfei@cn.fujitsu.com References: <20130321.115920.339923125.d.hatayama@jp.fujitsu.com> <87r4j98l1q.fsf@xmission.com> <20130321143656.GG3934@redhat.com> <20130322.093042.393566604.d.hatayama@jp.fujitsu.com> Date: Thu, 21 Mar 2013 17:41:51 -0700 In-Reply-To: <20130322.093042.393566604.d.hatayama@jp.fujitsu.com> (HATAYAMA Daisuke's message of "Fri, 22 Mar 2013 09:30:42 +0900 (JST)") Message-ID: <87r4j8p8og.fsf@xmission.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-XM-AID: U2FsdGVkX19rc/fOWdXUUYnmnGhtPV6A3Ijo7nC2LRs= X-SA-Exim-Connect-IP: 98.207.154.105 X-SA-Exim-Mail-From: ebiederm@xmission.com X-Spam-Report: * -1.0 ALL_TRUSTED Passed through trusted hosts only via SMTP * 0.1 XMSubLong Long Subject * 0.0 T_TM2_M_HEADER_IN_MSG BODY: T_TM2_M_HEADER_IN_MSG * -3.0 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] * -0.0 DCC_CHECK_NEGATIVE Not listed in DCC * [sa01 1397; Body=1 Fuz1=1 Fuz2=1] * 0.0 T_TooManySym_01 4+ unique symbols in subject X-Spam-DCC: XMission; sa01 1397; Body=1 Fuz1=1 Fuz2=1 X-Spam-Combo: ;HATAYAMA Daisuke X-Spam-Relay-Country: Subject: Re: [PATCH v3 17/21] vmcore: check NT_VMCORE_PAD as a mark indicating the end of ELF note buffer X-Spam-Flag: No X-SA-Exim-Version: 4.2.1 (built Wed, 14 Nov 2012 14:26:46 -0700) X-SA-Exim-Scanned: Yes (on in02.mta.xmission.com) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1039 Lines: 26 HATAYAMA Daisuke writes: > From: Vivek Goyal > Subject: Re: [PATCH v3 17/21] vmcore: check NT_VMCORE_PAD as a mark indicating the end of ELF note buffer > Date: Thu, 21 Mar 2013 10:36:56 -0400 > >> And in our case we don't know the size of ELF note. Kernel is not >> exporting the size. So kexec-tools is putting an upper limit of 1024 >> and putting that value in p_memsz and p_filesz fields. >> >> Given the fact that we are reserving elf notes at boot. That means >> we know the size of ELF notes. It should make sense to export it >> to user space and let kexec-tools put right values. >> > > Anyway, I think of this issue as beyond the scope of what I'm working > here... Agreed. It is independent and can be fixed independently. Eric -- 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/