From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1bmzp6-0000P0-8o for kexec@lists.infradead.org; Thu, 22 Sep 2016 08:57:41 +0000 Date: Thu, 22 Sep 2016 16:57:15 +0800 From: Baoquan He Subject: Re: [PATCH 0/3] makedumpfile: Add support of mm randomization Message-ID: <20160922085715.GA378@x1> References: <1472460862-29842-1-git-send-email-bhe@redhat.com> <20160922084502.GB18585@dhcp-128-65.nay.redhat.com> <20160922084848.GA18964@dhcp-128-65.nay.redhat.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20160922084848.GA18964@dhcp-128-65.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=infradead.org@lists.infradead.org To: Dave Young Cc: ats-kumagai@wm.jp.nec.com, kexec@lists.infradead.org, thgarnie@google.com On 09/22/16 at 04:48pm, Dave Young wrote: > Fix email address of Atsushi Kumagai.. > > On 09/22/16 at 04:45pm, Dave Young wrote: > > Hi, Baoquan > > > > On 08/29/16 at 04:54pm, Baoquan He wrote: > > > Hi Atsushi and Thomas, Did you apply below kexec patch either? kexec/arch/i386: Add support for KASLR memory randomization Please search it in kexec mailing list, Thomas posted it. > > > > > > This is a draft patchset. I just checked x86_64 implementation according to > > > Thomas's mm randomization related patches. Not sure if this will affect > > > other ARCH or XEN. Especially for patch 1/3 and patch 2/3, just a original > > > idea. I tested on x86_64, passed. > > > > > > And also kernel patch need be adjusted so that number_table.X of makedumpfile > > > can be used. Will add comment to Thomas's kernel patch. > > > > > > Baoquan He (3): > > > makedumpfile: Get info->kernel_version from SYMBOL(init_uts_ns) > > > earlier > > > makedumpfile: Move get_versiondep_info calling earlier > > > makedumpfile: Add support for MM randomization > > > > > > arch/x86_64.c | 26 +++++++++----------------- > > > makedumpfile.c | 45 ++++++++++++++++++++++++++++++++++++--------- > > > makedumpfile.h | 3 +++ > > > 3 files changed, 48 insertions(+), 26 deletions(-) > > > > > > > With these patch applied, I still get a makedumpfile failure below in Fedora: > > Kernel applied your patch to export the 3 symbols. > > > > kdump: saving vmcore-dmesg.txt complete > > kdump: saving vmcore > > kdump: saving vmcore failed > > [FAILED] Failed to start Kdump Vmcore Save Service. > > > > Thanks > > Dave _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec