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Wed, 10 Jan 2024 06:59:57 -0800 (PST) Date: Wed, 10 Jan 2024 06:59:56 -0800 In-Reply-To: <20231230161954.569267-21-michael.roth@amd.com> Mime-Version: 1.0 References: <20231230161954.569267-1-michael.roth@amd.com> <20231230161954.569267-21-michael.roth@amd.com> Message-ID: Subject: Re: [PATCH v1 20/26] crypto: ccp: Add debug support for decrypting pages From: Sean Christopherson To: Michael Roth Cc: x86@kernel.org, kvm@vger.kernel.org, linux-coco@lists.linux.dev, linux-mm@kvack.org, linux-crypto@vger.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, pbonzini@redhat.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, 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, zhi.a.wang@intel.com, Brijesh Singh Content-Type: text/plain; charset="us-ascii" X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 0C1394000B X-Stat-Signature: fducuhh4s749f6t1yxquch7x4p198dr7 X-HE-Tag: 1704898798-415179 X-HE-Meta: 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 9VLinnKj 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000080, 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 Sat, Dec 30, 2023, Michael Roth wrote: > From: Brijesh Singh > > Add support to decrypt guest encrypted memory. These API interfaces can > be used for example to dump VMCBs on SNP guest exit. By who? Nothing in this series, or the KVM series, ever invokes snp_guest_dbg_decrypt_page().