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Sat, 30 Mar 2024 14:01:39 -0700 (PDT) Received: from [192.168.10.4] ([151.95.49.219]) by smtp.googlemail.com with ESMTPSA id ef14-20020a17090697ce00b00a4e44f724e8sm1398812ejb.186.2024.03.30.14.01.36 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 30 Mar 2024 14:01:38 -0700 (PDT) Message-ID: <67685ec7-ca61-43f1-8ecd-120ec137e93a@redhat.com> Date: Sat, 30 Mar 2024 22:01:35 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v12 18/29] KVM: SEV: Use a VMSA physical address variable for populating VMCB To: Michael Roth , kvm@vger.kernel.org Cc: linux-coco@lists.linux.dev, linux-mm@kvack.org, linux-crypto@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, tglx@linutronix.de, mingo@redhat.com, jroedel@suse.de, thomas.lendacky@amd.com, hpa@zytor.com, ardb@kernel.org, seanjc@google.com, vkuznets@redhat.com, jmattson@google.com, luto@kernel.org, dave.hansen@linux.intel.com, slp@redhat.com, pgonda@google.com, peterz@infradead.org, srinivas.pandruvada@linux.intel.com, rientjes@google.com, dovmurik@linux.ibm.com, tobin@ibm.com, bp@alien8.de, vbabka@suse.cz, kirill@shutemov.name, ak@linux.intel.com, tony.luck@intel.com, sathyanarayanan.kuppuswamy@linux.intel.com, alpergun@google.com, jarkko@kernel.org, ashish.kalra@amd.com, nikunj.dadhania@amd.com, pankaj.gupta@amd.com, liam.merwick@oracle.com References: <20240329225835.400662-1-michael.roth@amd.com> <20240329225835.400662-19-michael.roth@amd.com> From: Paolo Bonzini Autocrypt: addr=pbonzini@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 254C92001D X-Rspam-User: X-Stat-Signature: 6puskxtxqijdew4aihcbjbpom8akfzgd X-Rspamd-Server: rspam03 X-HE-Tag: 1711832504-127640 X-HE-Meta: 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 zkkgazL6 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 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: List-Subscribe: List-Unsubscribe: On 3/29/24 23:58, Michael Roth wrote: > From: Tom Lendacky > > In preparation to support SEV-SNP AP Creation, use a variable that holds > the VMSA physical address rather than converting the virtual address. > This will allow SEV-SNP AP Creation to set the new physical address that > will be used should the vCPU reset path be taken. > > Signed-off-by: Tom Lendacky > Signed-off-by: Ashish Kalra > Signed-off-by: Michael Roth > --- I'll get back to this one after Easter, but it looks like Sean had some objections at https://lore.kernel.org/lkml/ZeCqnq7dLcJI41O9@google.com/. Paolo