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Thu, 11 May 2023 16:03:03 -0700 (PDT) MIME-Version: 1.0 References: <20221214194056.161492-1-michael.roth@amd.com> <20221214194056.161492-53-michael.roth@amd.com> <66039193-14ca-5edb-d8d4-ca732d8c13a6@amd.com> <119075dd-5f3e-a393-f543-6cdfd34cd337@amd.com> <385016f9-e948-4f7f-8db3-24a0c0543b3d@amd.com> <55e5f02f-4c1f-e6b0-59ba-07abc4d3408f@amd.com> <81037a58-6b5c-cde4-79fe-3686d9b8a551@amd.com> <7fb25176-3752-1be3-66d4-a7f5a0e1617a@amd.com> <682c0bf9-ccf7-9660-21fe-925ef63c5fbb@amd.com> <4c642bd1-5f1c-292e-398f-eed699db590d@amd.com> <65cb8f0f-7e8b-6df6-6bb1-a9f1add027bb@amd.com> In-Reply-To: <65cb8f0f-7e8b-6df6-6bb1-a9f1add027bb@amd.com> From: Dionna Amalie Glaze Date: Thu, 11 May 2023 16:02:50 -0700 Message-ID: Subject: Re: [PATCH RFC v7 52/64] KVM: SVM: Provide support for SNP_GUEST_REQUEST NAE event To: Tom Lendacky Cc: Alexey Kardashevskiy , "Kalra, Ashish" , 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, 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, bp@alien8.de, 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, harald@profian.com, Brijesh Singh Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Stat-Signature: prrkqdxif4y5xpmdwp3z91ac48kch3xa X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 63B15180013 X-HE-Tag: 1683846184-693307 X-HE-Meta: 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 quBXeNuA FCvD3t9n/IbD9fYTkiOXVL4VW/e3YSrkTEPLfX7ew/gEQaRIuqZRgcmosvp8kjvdRaUMmm43C4jYh34zErHxv6veecncrdTxtJ2adl8/xzY7wSWOVvwhiIwNhAGt1XTyIUrawpjFlBXKONtQVv21alA8M3dTqzNvSx/IRubgCCNLhGZux6yPXJCg26lMtV70+KRXV3wiRWxv6rwW4jIsB5M0BjoW+EQCu4/g5ELvWCKz8la0= 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: Would it be okay to request that we add a KVM stat for how often there are GUEST_REQUEST_NAE exits? I think it'd be good for service operators to get a better idea how valued the feature is. -- -Dionna Glaze, PhD (she/her)