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[142.68.128.5]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-474721bf857sm30749961cf.38.2025.02.28.16.30.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 28 Feb 2025 16:30:10 -0800 (PST) Received: from jgg by wakko with local (Exim 4.97) (envelope-from ) id 1toAk5-00000000VNV-3jdd; Fri, 28 Feb 2025 20:30:09 -0400 Date: Fri, 28 Feb 2025 20:30:09 -0400 From: Jason Gunthorpe To: Stefano Garzarella Cc: Jarkko Sakkinen , Thomas Gleixner , Claudio Carvalho , Peter Huewe , x86@kernel.org, Dov Murik , linux-coco@lists.linux.dev, Dionna Glaze , James Bottomley , Ingo Molnar , Joerg Roedel , linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org, Dave Hansen , Tom Lendacky , Borislav Petkov , "H. Peter Anvin" Subject: Re: [RFC PATCH v2 0/6] Enlightened vTPM support for SVSM on SEV-SNP Message-ID: <20250301003009.GP5011@ziepe.ca> References: <20250228170720.144739-1-sgarzare@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250228170720.144739-1-sgarzare@redhat.com> On Fri, Feb 28, 2025 at 06:07:14PM +0100, Stefano Garzarella wrote: > I put RFC back in because we haven't yet decided if this is the best > approach to support SVSM vTPM, but I really like to receive feedbacks > especially from the maintainer/reviewers of the TPM subsystem, to see if > this approach is acceptable. I didn't look in high detail, but the overall shape is what I was thinking about in our previous conversations. Very little TPM code is under arch/, we have a nice simplifying helper in the core code, and you have a tidy platform device to tie it all together. Jason