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Mon, 30 Oct 2023 10:30:55 -0700 (PDT) X-Google-Smtp-Source: AGHT+IHWh1xQ5I0MM3/Iy74fEIwMqL5ViQAp87aWrH8OcVXHaW0K+XK2JilNTh4OuPe9Hz3C4viW2A== X-Received: by 2002:a2e:b808:0:b0:2c5:27ca:478b with SMTP id u8-20020a2eb808000000b002c527ca478bmr8146970ljo.7.1698687055317; Mon, 30 Oct 2023 10:30:55 -0700 (PDT) Received: from [192.168.1.174] ([151.81.68.207]) by smtp.googlemail.com with ESMTPSA id c5-20020a05600c0a4500b004094d4292aesm449246wmq.18.2023.10.30.10.30.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Oct 2023 10:30:54 -0700 (PDT) Message-ID: <50cf2a74-5702-4b7a-8bbc-7f9b5d56b4d1@redhat.com> Date: Mon, 30 Oct 2023 18:30:51 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v13 15/35] fs: Export anon_inode_getfile_secure() for use by KVM To: Sean Christopherson , Marc Zyngier , Oliver Upton , Huacai Chen , Michael Ellerman , Anup Patel , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexander Viro , Christian Brauner , "Matthew Wilcox (Oracle)" , Andrew Morton References: <20231027182217.3615211-1-seanjc@google.com> <20231027182217.3615211-16-seanjc@google.com> From: Paolo Bonzini Autocrypt: addr=pbonzini@redhat.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kvm@vger.kernel.org, David Hildenbrand , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Chao Peng , linux-riscv@lists.infradead.org, Isaku Yamahata , Xiaoyao Li , Wang , Fuad Tabba , linux-arm-kernel@lists.infradead.org, Maciej Szmigiero , Michael Roth , Ackerley Tng , David Matlack , Vlastimil Babka , =?UTF-8?B?TWlja2HDq2wgU2FsYcO8?= =?UTF-8?Q?n?= , Isaku Yamahata , Quentin Perret , kvmarm@lists.linux.dev, linux-mips@vger.kernel.org, Jarkko Sakkinen , Yu Zhang , "Kirill A . Shutemov" , kvm-riscv@lists.infradead.org, linux-fsdevel@vger.kernel.org, Liam Merwick , Vishal A nnapurve , linuxppc-dev@lists.ozlabs.org, Xu Yilun , Anish Moorthy Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 10/27/23 20:21, Sean Christopherson wrote: > Export anon_inode_getfile_secure() so that it can be used by KVM to > create and manage file-based guest memory without need a fullblow without introducing a full-blown Otherwise, Reviewed-by: Paolo Bonzini Paolo > filesystem. The "standard" anon_inode_getfd() doesn't work for KVM's use > case as KVM needs a unique inode for each file, e.g. to be able to > independently manage the size and lifecycle of a given file.