From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.cn.fujitsu.com ([183.91.158.132] helo=heian.cn.fujitsu.com) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eqwqZ-0001KW-Oj for kexec@lists.infradead.org; Wed, 28 Feb 2018 08:12:21 +0000 Subject: Re: [RESEND makedumpfile PATCH 0/2] Add 5-level paging support References: <20180228071308.17854-1-douly.fnst@cn.fujitsu.com> <20180228080012.GB30207@localhost.localdomain> From: Dou Liyang Message-ID: <1dd96fc3-0ad0-e028-e5f5-900ce2824034@cn.fujitsu.com> Date: Wed, 28 Feb 2018 16:12:01 +0800 MIME-Version: 1.0 In-Reply-To: <20180228080012.GB30207@localhost.localdomain> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Baoquan He Cc: mas-tachibana@vf.jp.nec.com, indou.takao@jp.fujitsu.com, kexec@lists.infradead.org, mas-hayashi@tg.jp.nec.com Hi Baoquan, At 02/28/2018 04:00 PM, Baoquan He wrote: > Hi dou, > > On 02/28/18 at 03:13pm, Dou Liyang wrote: >> this patchset adds 5-level paging support in makedumpfile >> >> -the 1th patch does some cleanup for the preparation of 5-level page tables support >> -the 2th patch add the 5-level page tables support >> >> Dou Liyang (2): >> arch/x86_64: Cleanup the address translation of the 4-level page >> tables >> arch/x86_64: Add 5-level paging support > > It doesn't work on my qemu+la57, kernel 4.16-rc1+. Not sure what kernel > you are testing, it truly works on kernel 4.16-rc1+ when cpu la57 is not I tested in Linux v4.15+ and v4.16-rc2+. The following commits in linux kernel changed mem_section array and it causes this problem in makedumpfile. commit 83e3c48729d9ebb7af5a31a504f3fd6aff0348c4 Author: Kirill A. Shutemov Date: Fri Sep 29 17:08:16 2017 +0300 commit 629a359bdb0e0652a8227b4ff3125431995fec6e Author: Kirill A. Shutemov Date: Tue Nov 7 11:33:37 2017 +0300 So when I tested makedumpfile, I reverted these commits from kernel temporarily. Thanks dou > supported? > > Thanks > Baoquan > >> >> arch/x86_64.c | 131 +++++++++++++++++++++++++++++++++++++++++---------------- >> makedumpfile.h | 38 +++++++++++------ >> 2 files changed, 120 insertions(+), 49 deletions(-) >> >> -- >> 2.14.3 >> >> >> >> >> _______________________________________________ >> kexec mailing list >> kexec@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/kexec > > > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec