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=-12.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 E959CC433B4 for ; Fri, 7 May 2021 08:30:16 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A70FD61451 for ; Fri, 7 May 2021 08:30:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A70FD61451 Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.123830.233655 (Exim 4.92) (envelope-from ) id 1levsA-0004Vd-UK; Fri, 07 May 2021 08:30:10 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 123830.233655; Fri, 07 May 2021 08:30:10 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1levsA-0004VW-QL; Fri, 07 May 2021 08:30:10 +0000 Received: by outflank-mailman (input) for mailman id 123830; Fri, 07 May 2021 08:30:10 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1levsA-0004VQ-0t for xen-devel@lists.xenproject.org; Fri, 07 May 2021 08:30:10 +0000 Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 2c1f5e22-b35c-4624-8df6-b4e645a3b469; Fri, 07 May 2021 08:30:09 +0000 (UTC) Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 435D4AD21; Fri, 7 May 2021 08:30:08 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 2c1f5e22-b35c-4624-8df6-b4e645a3b469 X-Virus-Scanned: by amavisd-new at test-mx.suse.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1620376208; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oRIk+UB+w/f1mAxF+tpHlmcPAWvTPnhSeyrW5cMHe4M=; b=nQ0W2tGh1H15+TdXQsFFCrjei5sINpQrP1Il9CKJEI9xL4ASAxVcPj3dT9kmbPZzu20PDC QNTGEe3goYhteuOHIkNOMSvkJVhRdG+L8VfFkV3Y10iKg9AUQlMxyCHQQfxczUeuaoCy5k aXsT58Oah85jjNgrT9Rz4gqdXGYfN0c= Subject: Re: [PATCH RFC 2/2] xen/kexec: Reserve KEXEC_TYPE_LIVEUPDATE and KEXEC_RANGE_MA_LIVEUPDATE To: Hongyan Xia Cc: dwmw2@infradead.org, paul@xen.org, raphning@amazon.com, maghul@amazon.com, Julien Grall , Andrew Cooper , George Dunlap , Ian Jackson , Stefano Stabellini , Wei Liu , Julien Grall , xen-devel@lists.xenproject.org References: <20210506104259.16928-1-julien@xen.org> <20210506104259.16928-3-julien@xen.org> <8773723448ea05a6ea0c843e408f6f05a04c2fd6.camel@xen.org> From: Jan Beulich Message-ID: <6b66d3a3-e4cd-f154-c8a4-05adef518733@suse.com> Date: Fri, 7 May 2021 10:30:09 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <8773723448ea05a6ea0c843e408f6f05a04c2fd6.camel@xen.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 07.05.2021 10:24, Hongyan Xia wrote: > On Thu, 2021-05-06 at 11:42 +0100, Julien Grall wrote: >> @@ -150,6 +155,8 @@ typedef struct xen_kexec_load_v1 { >> #define KEXEC_RANGE_MA_EFI_MEMMAP 5 /* machine address and size of >> * of the EFI Memory Map */ >> #define KEXEC_RANGE_MA_VMCOREINFO 6 /* machine address and size of >> vmcoreinfo */ >> +/* machine address and size of the Live Update area below Xen */ >> +#define KEXEC_RANGE_MA_LIVEUPDATE 7 > > Very nit: I tend to say "right below" Xen, since below sounds like it > could be anywhere. In the design doc we also said "just below". But is this a hard requirement, i.e. something that needs specifying here? Jan