Received: by 2002:ac0:98c7:0:0:0:0:0 with SMTP id g7-v6csp1146155imd; Sat, 27 Oct 2018 03:12:59 -0700 (PDT) X-Google-Smtp-Source: AJdET5cRHoh74Xnj0ImrSq03/YIc20/q+E/GA0Im+as1vRpt6VhxPM1vGJOmiFm4hCjYfBMkI1lg X-Received: by 2002:a17:902:9a44:: with SMTP id x4-v6mr6721576plv.121.1540635179873; Sat, 27 Oct 2018 03:12:59 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1540635179; cv=none; d=google.com; s=arc-20160816; b=nJaTaVvFgubheLsuaOF5qJova99cGF25x/WQ3hqFxGdm/Aaf1Ek5yMj0XsURtq/0ES Th7TVBY57Qq3dVoQNzVtL7IcGMUG7kzzMV8tPpFIOcOy90+EBOnzZVCtxu55hbeN6q+Y 1MZ6hgZe7MLSR8hTlXwOhLJFxGS9v5uPGrwLXnjSd8n9EDUAX9yu0NrnoKWUsyLAkkUF lcdKQTrDyCdkcM+7GudgdrlU3B/Xny4Uews7s1L7DzhneE+JD8gg3iMER3bXn9S03QrK ItZkrZjYeQZ6RNGSegI7onNcTiYoZp8AUteTdRN7lbYLY8AzG4O5YjRX2LlVIlv4sQkB R38Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=f45bRUI1UyOoRSLeu9g9IJGzJTQ+e3IpQiLcW2kP/hU=; b=iZbje3OPzogKLETKhFuaQOJi++rkTcyJMNIyaHQjJIRdagBL8Qn4pF4/VYFLeJ5RAX O+2c9yGqNtNEtHuKdTKzxr9MN6pvhp7Ow1hr9/3MmFPxtECbL7e3XM548hZcQn1bXKBn 1nlSU5ibpN3mFi6oAw/omTuQg5h1LNPvK0U/BJcdhap3ctoj4Kml501JxIxxDaPJMH5a 7se7sMe58rG9T5RwfYfxvS6HBT6ivOdvfVDYqihX01t/CEQiJN/K6BbyBNVYpaP6XU3o rxi7OQoPdjSdL5pOOBSPlJmfwmZlvHFsYEIXFFVsXbS6K0ni/aMlGesOFKet6G9JbqWm nuuQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f62-v6si14007479plf.288.2018.10.27.03.12.41; Sat, 27 Oct 2018 03:12:59 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728419AbeJ0Swk (ORCPT + 99 others); Sat, 27 Oct 2018 14:52:40 -0400 Received: from mail.skyhub.de ([5.9.137.197]:60114 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728313AbeJ0Swk (ORCPT ); Sat, 27 Oct 2018 14:52:40 -0400 X-Virus-Scanned: Nedap ESD1 at mail.skyhub.de Received: from mail.skyhub.de ([127.0.0.1]) by localhost (blast.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id lNCT7P09wtaD; Sat, 27 Oct 2018 12:12:12 +0200 (CEST) Received: from nazgul.tnic (unknown [185.30.24.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 7EFEE1EC0921; Sat, 27 Oct 2018 12:12:12 +0200 (CEST) Date: Sat, 27 Oct 2018 12:12:21 +0200 From: Borislav Petkov To: Baoquan He Cc: Petr Tesarik , lijiang , linux-kernel@vger.kernel.org, x86@kernel.org, kexec@lists.infradead.org, mingo@redhat.com, tglx@linutronix.de, dyoung@redhat.com Subject: Re: [PATCH] kdump, vmcoreinfo: Export sme_me_mask value to vmcoreinfo Message-ID: <20181027101221.GC1046@nazgul.tnic> References: <20181026093630.8520-1-lijiang@redhat.com> <053CC83A-9A95-4C12-9627-AABD1427DA9C@alien8.de> <1263471c-a27d-a698-15f0-b5947f13ea93@redhat.com> <20181026182440.20a4b107@ezekiel.suse.cz> <20181026222517.GB26927@nazgul.tnic> <20181027081343.GA1884@MiWiFi-R3L-srv> <20181027091007.GB1046@nazgul.tnic> <20181027093917.GA14493@MiWiFi-R3L-srv> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20181027093917.GA14493@MiWiFi-R3L-srv> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Oct 27, 2018 at 05:39:17PM +0800, Baoquan He wrote: > Not very sure about this, we have arch_crash_save_vmcoreinfo() in > arch/x86/kernel/machine_kexec_64.c to export arch-specific stuffs > outside. Is there any special reason about a mask in one architecture > when expose it out? Yes, we don't export random arch-specific details to the outside which we then cannot change later. So vmcoreinfo needs to define its own. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. --