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Peter Anvin" , Ard Biesheuvel , Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Andy Lutomirski , Dave Hansen , Sergio Lopez , Peter Gonda , Peter Zijlstra , Srinivas Pandruvada , David Rientjes , Dov Murik , Tobin Feldman-Fitzthum , Borislav Petkov , Michael Roth , Vlastimil Babka , tony.luck@intel.com, npmccallum@redhat.com, brijesh.ksingh@gmail.com Subject: Re: [PATCH Part2 RFC v4 15/40] crypto: ccp: Handle the legacy TMR allocation when SNP is enabled To: Sean Christopherson References: <20210707183616.5620-1-brijesh.singh@amd.com> <20210707183616.5620-16-brijesh.singh@amd.com> From: Brijesh Singh Message-ID: <770a9480-a18b-473e-ba50-c9978ce64317@amd.com> Date: Fri, 16 Jul 2021 10:47:32 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Language: en-US X-ClientProxiedBy: SA9PR10CA0013.namprd10.prod.outlook.com (2603:10b6:806:a7::18) To SN6PR12MB2718.namprd12.prod.outlook.com (2603:10b6:805:6f::22) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from Brijeshs-MacBook-Pro.local (165.204.77.11) by SA9PR10CA0013.namprd10.prod.outlook.com (2603:10b6:806:a7::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4331.22 via Frontend Transport; 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dkim=pass header.d=amd.com header.s=selector1 header.b="sd9enG/p"; spf=pass (imf01.hostedemail.com: domain of brijesh.singh@amd.com designates 40.107.95.78 as permitted sender) smtp.mailfrom=brijesh.singh@amd.com; dmarc=pass (policy=quarantine) header.from=amd.com X-Stat-Signature: 48w19uh675q1kujzdmxn5tcdcqxgxe1y X-Rspamd-Queue-Id: 898E350183D3 X-Rspamd-Server: rspam01 X-HE-Tag: 1626450459-724623 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 7/16/21 10:35 AM, Sean Christopherson wrote: > It wasn't comment on the patch organization, rather that the code added in patch 14 > appears to have landed in the wrong location within the code. The above diff shows > that the TMR allocation is being moved around the SNP initialization code that was > added in patch 14 (the immediately prior patch). Presumably the required order > doesn't magically change just because the TMR is now being allocated as a 2mb blob, > so either the code movement is unnecessary churn or the original location was wrong. > In either case, landing the SNP initialization code above the TMR allocation in > patch 14 would eliminate the above code movement. Got it, I'll rearrange things in the previous patch to avoid this hunk. thanks