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([2404:f801:9000:18:efed::a31c]) by smtp.gmail.com with ESMTPSA id w2sm6764771pfq.207.2021.10.21.08.42.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 21 Oct 2021 08:43:08 -0700 (PDT) Message-ID: Date: Thu, 21 Oct 2021 23:42:56 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: [PATCH] x86/sev-es: Expose __sev_es_ghcb_hv_call() to call ghcb hv call out of sev code Content-Language: en-US To: Borislav Petkov Cc: Tom Lendacky , Tianyu Lan , kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, x86@kernel.org, hpa@zytor.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, davem@davemloft.net, kuba@kernel.org, gregkh@linuxfoundation.org, arnd@arndb.de, jroedel@suse.de, brijesh.singh@amd.com, pgonda@google.com, akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, rppt@kernel.org, tj@kernel.org, aneesh.kumar@linux.ibm.com, saravanand@fb.com, hannes@cmpxchg.org, rientjes@google.com, michael.h.kelley@microsoft.com, linux-arch@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, vkuznets@redhat.com, konrad.wilk@oracle.com, hch@lst.de, robin.murphy@arm.com, joro@8bytes.org, parri.andrea@gmail.com, dave.hansen@intel.com References: <2772390d-09c1-80c1-082f-225f32eae4aa@gmail.com> <20211020062321.3581158-1-ltykernel@gmail.com> <62ffaeb4-1940-4934-2c39-b8283d402924@amd.com> <32336f13-fa66-670d-0ea3-7822bd5b829b@gmail.com> <7bab8b73-e276-c23c-7a0a-2a6280e8a7d9@gmail.com> From: Tianyu Lan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/21/2021 12:24 AM, Borislav Petkov wrote: > On Wed, Oct 20, 2021 at 11:09:03PM +0800, Tianyu Lan wrote: >> Yes, this is the target of the patch. Can we put the change in the >> Hyper-V patchset? > > If you're asking about this version: > > https://lore.kernel.org/r/20211020062321.3581158-1-ltykernel@gmail.com > > then, no. I'd prefer if you did this: > > https://lore.kernel.org/r/YXAcGtxe08XiHBFH@zn.tnic > > for reasons which I already explained. > Thanks for your suggestion. I just sent out v8 version according to your guide. Please have a look. Thanks.