From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 658BE2C858 for ; Wed, 13 Dec 2023 13:14:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="KtR1/pN6" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id A082340E0030; Wed, 13 Dec 2023 13:14:13 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=pass (4096-bit key) header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id GT50Oo9WgEvs; Wed, 13 Dec 2023 13:14:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1702473250; bh=m2snrppLQ7GTbGpSnqzWduu6Z0rGzXlyux9VTZ0teF8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KtR1/pN6HJ+38oCwud2VWssYqwBAGXGNFjhPj5M+/gzmyTotisNMx51V4ZuygiAhj UDDVw2o/RxtoXiOoAGibgqf+LkFQSNPF0Mqga6slVaN6pXpeaAqf9e/ByYcWPaRbjP 63tdnmsm3H4q+jxWKJ/HVM/MAtDe7WmObmazeXW2Ys05UZzkNtGWBiFO2pxoI6ZJ9j vyy33lAM3lpQEuQJmDcf9jHftEqjXTip9jsyMZ2F8YhY0i6OcIreQO9Md2WJVxITzB hC66vHDr0HRdrC5baLAsDYbY3wH5PcNxNAi8KPum9cmYnF32vbl6osIrYPsBN7S+Ri /jNY3hpOVzAhdNjbJPD5bBWz0ZAz/FYH4C3Ij/WZnzHXVMLomoxHkAZJrcaF0Zgh9K IWw12YvyYswU6RH5x/4fpNrEjM65JjQn/sLU7mRVTcsk4q41cQZOPO346kFyR6Qepy 11NCpORCOZaBq+OGzt0AxzSwY7mMKWvvswnFd0NABatriQ40Ul2LjYCRxv7uJWYwtT BumMhFE7yqHqfuo6/ViXrILggitr/pHWjw5F/i6um8chigPENSYGb4h62JRRTV58Pp sUwV6zYLiQnMGmsfweu5LErKSq8BLkcw3qzLxkXFeWP8zITx9NHemwrffa4S1IHFIw x3elfcbKifriX76sdfvL2kA0= Received: from zn.tnic (pd95304da.dip0.t-ipconnect.de [217.83.4.218]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 3F1EA40E00CB; Wed, 13 Dec 2023 13:13:29 +0000 (UTC) Date: Wed, 13 Dec 2023 14:13:24 +0100 From: Borislav Petkov To: Paolo Bonzini Cc: Michael Roth , 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, 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, 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, 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 , Jarkko Sakkinen Subject: Re: [PATCH v10 04/50] x86/cpufeatures: Add SEV-SNP CPU feature Message-ID: <20231213131324.GDZXmt9LsMmJZyzCJw@fat_crate.local> References: <20231016132819.1002933-1-michael.roth@amd.com> <20231016132819.1002933-5-michael.roth@amd.com> <0b2eb374-356c-46c6-9c4a-9512fbfece7a@redhat.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <0b2eb374-356c-46c6-9c4a-9512fbfece7a@redhat.com> On Wed, Dec 13, 2023 at 01:51:58PM +0100, Paolo Bonzini wrote: > On 10/16/23 15:27, 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. > > > > Signed-off-by: Brijesh Singh > > Signed-off-by: Jarkko Sakkinen > > Signed-off-by: Ashish Kalra > > Signed-off-by: Michael Roth > > Queued, thanks. Paolo, please stop queueing x86 patches through your tree. I'll give you an immutable branch with the x86 bits when the stuff has been reviewed. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette