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DM4PR12MB8570.namprd12.prod.outlook.com (2603:10b6:8:18b::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.6002.24; Thu, 19 Jan 2023 20:54:08 +0000 Received: from SN6PR12MB2767.namprd12.prod.outlook.com ([fe80::5317:fa3f:5cbe:45e9]) by SN6PR12MB2767.namprd12.prod.outlook.com ([fe80::5317:fa3f:5cbe:45e9%3]) with mapi id 15.20.5986.023; Thu, 19 Jan 2023 20:54:08 +0000 Message-ID: Date: Thu, 19 Jan 2023 14:54:01 -0600 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.1 Subject: Re: [PATCH RFC v7 52/64] KVM: SVM: Provide support for SNP_GUEST_REQUEST NAE event Content-Language: en-US To: Dionna Amalie Glaze , 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, 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 References: <20221214194056.161492-1-michael.roth@amd.com> <20221214194056.161492-53-michael.roth@amd.com> From: "Kalra, Ashish" In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MN2PR04CA0029.namprd04.prod.outlook.com (2603:10b6:208:d4::42) To SN6PR12MB2767.namprd12.prod.outlook.com (2603:10b6:805:75::23) MIME-Version: 1.0 X-MS-PublicTrafficType: Email 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subject to rate limiting, since > they take a lock on the shared resource that is the AMD-SP (psp?). I > proposed a mechanism with empirically chosen defaults in > > [PATCH v2 0/2] kvm: sev: Add SNP guest request throttling > [PATCH v2 1/2] kvm: sev: Add SEV-SNP guest request throttling > [PATCH v2 2/2] kvm: sev: If ccp is busy, report throttled to guest > > http://129.79.113.48/hypermail/linux/kernel/2211.2/03107.html > http://129.79.113.48/hypermail/linux/kernel/2211.2/03110.html > http://129.79.113.48/hypermail/linux/kernel/2211.2/03111.html > > But I don't see these on lore. Would you like me to repost these? > Yes, please. Thanks, Ashish