From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0340CC0044C for ; Mon, 29 Oct 2018 13:41:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C847D2080A for ; Mon, 29 Oct 2018 13:41:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C847D2080A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726679AbeJ2WaX (ORCPT ); Mon, 29 Oct 2018 18:30:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:48164 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725862AbeJ2WaX (ORCPT ); Mon, 29 Oct 2018 18:30:23 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 958DC3002875; Mon, 29 Oct 2018 13:41:39 +0000 (UTC) Received: from localhost.localdomain (ovpn-12-109.pek2.redhat.com [10.72.12.109]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 399FB60C65; Mon, 29 Oct 2018 13:41:30 +0000 (UTC) Subject: Re: [PATCH] kdump, vmcoreinfo: Export sme_me_mask value to vmcoreinfo To: Baoquan He Cc: Borislav Petkov , Petr Tesarik , linux-kernel@vger.kernel.org, x86@kernel.org, kexec@lists.infradead.org, mingo@redhat.com, tglx@linutronix.de, dyoung@redhat.com References: <20181027101221.GC1046@nazgul.tnic> <20181027110858.GB14493@MiWiFi-R3L-srv> <20181027145151.GA7338@nazgul.tnic> <390b16ba-05d7-3590-c3b2-4b69aa3ae051@redhat.com> <20181029083118.GC1884@MiWiFi-R3L-srv> <20181029095738.GB20101@zn.tnic> <15897206-c1a6-ced6-3a1b-f71da8fc9c83@redhat.com> <20181029114414.GA11408@MiWiFi-R3L-srv> From: lijiang Message-ID: <90385882-7fd1-a674-ec5a-19bd42471a5e@redhat.com> Date: Mon, 29 Oct 2018 21:41:26 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181029114414.GA11408@MiWiFi-R3L-srv> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.43]); Mon, 29 Oct 2018 13:41:39 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2018年10月29日 19:44, Baoquan He 写道: > On 10/29/18 at 06:12pm, lijiang wrote: >> diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c >> index 4c8acdfdc5a7..3cc975e7ff8f 100644 >> --- a/arch/x86/kernel/machine_kexec_64.c >> +++ b/arch/x86/kernel/machine_kexec_64.c >> @@ -352,11 +352,16 @@ void machine_kexec(struct kimage *image) >> > void arch_crash_save_vmcoreinfo(void) > { > + u64 sme_mask = sme_me_mask; > + > > This may looks better. > Ok, thanks for your comment. > VMCOREINFO_NUMBER(phys_base); > VMCOREINFO_SYMBOL(init_top_pgt); > vmcoreinfo_append_str("NUMBER(pgtable_l5_enabled)=%d\n", > pgtable_l5_enabled()); > > + VMCOREINFO_NUMBER(sme_mask); > + > #ifdef CONFIG_NUMA > VMCOREINFO_SYMBOL(node_data); > VMCOREINFO_LENGTH(node_data, MAX_NUMNODES); >