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bh=tKVIURcKaHRFs3NAkMIo/G/++qtyGK5ycT5xSsbxJIY=; b=pL3mCb0HMuL7otKyse87wvGKUFk1BglCv1B6UO1QV73/AZ9qcIFWXZxsAYdAzaY++nFSfJ yTagf3Dv0E0Z96HD8Gq08OOGHtg3l3T8rpsb0epWZlSEAbZztLckNKTlmc3l1+ueB6YXMV GL69ghcgEm73bH5Vyl1er01cagZ9Muc= Date: Wed, 1 Feb 2023 19:39:32 +0100 From: Borislav Petkov To: Michael Roth Cc: kvm@vger.kernel.org, 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, pbonzini@redhat.com, seanjc@google.com, vkuznets@redhat.com, wanpengli@tencent.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, vbabka@suse.cz, kirill@shutemov.name, ak@linux.intel.com, tony.luck@intel.com, marcorr@google.com, sathyanarayanan.kuppuswamy@linux.intel.com, alpergun@google.com, dgilbert@redhat.com, jarkko@kernel.org, ashish.kalra@amd.com, harald@profian.com, Brijesh Singh , Jarkko Sakkinen Subject: Re: [PATCH RFC v7 13/64] x86/cpufeatures: Add SEV-SNP CPU feature Message-ID: References: <20221214194056.161492-1-michael.roth@amd.com> <20221214194056.161492-14-michael.roth@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20221214194056.161492-14-michael.roth@amd.com> X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: 43mm9enupiaybuwbgcwfn51wnqjo6pue X-Rspamd-Queue-Id: 95341A0004 X-HE-Tag: 1675276778-809062 X-HE-Meta: U2FsdGVkX18geJlxIGGEKR9Dwsz+c5sOvQk6fKa8J2oyBzWpWsbY4Ri+kexISnQAI31zwHbVSTQigdi/huFKfAtsYZh6k/GvqP1P2k2FJVy2s+uncTbhkwJzlRTmvt/weF6+I3KPCtkcaMyasr3OgpS+yIQj9MnMVpbWWkCEMjrZXoCq+NV0Iro9PYiJOT8CbPW7hmPCIkg+3hY2dqmC6i/60ODla2pXb2LwThEOcZdMFb2ZfM1HFjYMcKSWGjcst+8sdYFAsYxHkkroosXyUKdGtTmzFGZD0Zx6f4QbjKcxnYTDXYOyz6hsF9cwDz2pCCUY/TqELNe50MMhFxXV9/2L/2BtKYevoIP1WzEBYb1HjF1hHoXTI817pVfnehhLWNxucVvJdxhYOfEhFQQyI64eP2Zfa+EKLE4pkqaYSUDhSNNGrumDbLlfwEuoT5trwI9nQyqCwCI+qt+gdeS5u2FYc3mP8hwJL07iwjg+z4AmveOPJlZmesxi2m0H61wVmESkUoJ9LVIyyaJ2EexAQqpJQYJ9brb0BbGn2NnQzwUH40ha6Jz+VIachX3NYjR3yRrfXk6ws9ZSX85rkmKhWF9yGTJyI3MmVcfJguU8LW/N1jVwRN9cmfAmVxI30TPFbl1LTIanUU061g2r26PE/vvwVlcA6B5r2/CAYBEBRhiycNBNBYgVt2dRMAwJJeubsf9GpPU36dpNdgBjO0PRgZWNcEriXeyijzzV/perpAtt+zU3DXbPkaDAs5qZ9CfUYu1bS2xxZ6/Wze7Yte2n4safFw0UXWjGP40vu78mkAoHRylKlWsnkjT5LEZ8fvZkLNiGuvX4DPNBUHFYgsiZsPhal0Rk4X1bwdNLA7A+Ez8cMg8l3Js4TBg4pWTvOJS1doZLDzTDXAfzDHiUFG0lT/5+DkkJuzCVZzrO1ITkdBjRuKWslxAHUYF6ZX/RkNN2wGk9BAJ49gq60gzQhmL Ed6QEcrS 88cecxOaqIOClG0H1xvRIG8vGUNwzmiItKOiIQkT2GPoOb6Vq9to1lNy+LDWjRPtskOAlYDvZBiIMXwdUsaRKBT68qr4wjpOuPrRz1cXRrJBOVPXFReSxQIAkWtaxF0mRT9teSbAorURL5wyb79R59VXyW4oEg70FBvOOPnjdF2E+xEM6M4ifBvIuT85anJjJabwouh/lNkL2MjEMsioA5VPYJ1vpjAFxhcumv4OKP57OXFxnNNj3xVVgdygfluH6cA3IGJ+oIFrMopP1bXPPL95429RNPwElXr0ZxH/H/N6AOBQ= 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 Wed, Dec 14, 2022 at 01:40:05PM -0600, Michael Roth wrote: > From: Brijesh Singh > > Add CPU feature detection for Secure Encrypted Virtualization with > Secure Nested Paging. This feature adds a strong memory integrity > protection to help prevent malicious hypervisor-based attacks like > data replay, memory re-mapping, and more. > > Link: https://lore.kernel.org/all/YrGINaPc3cojG6%2F3@zn.tnic/ That points to some review feedback I've given - dunno if it is relevant. > Signed-off-by: Brijesh Singh > Signed-off-by: Jarkko Sakkinen I read this as Jarkko has handled this patch too. Is that the case? > Signed-off-by: Ashish Kalra > Signed-off-by: Michael Roth Those last two are ok - you took ovef from Ashish. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette