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Mon, 8 Dec 2025 09:10:13 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id eDCHCfWVNmk2CgAAD6G6ig (envelope-from ); Mon, 08 Dec 2025 09:10:13 +0000 Message-ID: Date: Mon, 8 Dec 2025 10:10:12 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 04/13] KVM: guest_memfd: Add stub for kvm_arch_gmem_invalidate Content-Language: en-US To: "Kalyazin, Nikita" , "kvm@vger.kernel.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "kvmarm@lists.linux.dev" , "linux-fsdevel@vger.kernel.org" , "linux-mm@kvack.org" , "bpf@vger.kernel.org" , "linux-kselftest@vger.kernel.org" Cc: "pbonzini@redhat.com" , "corbet@lwn.net" , "maz@kernel.org" , "oupton@kernel.org" , "joey.gouly@arm.com" , "suzuki.poulose@arm.com" , "yuzenghui@huawei.com" , "catalin.marinas@arm.com" , "will@kernel.org" , "seanjc@google.com" , "tglx@linutronix.de" , "mingo@redhat.com" , "bp@alien8.de" , "dave.hansen@linux.intel.com" , "x86@kernel.org" , "hpa@zytor.com" , "luto@kernel.org" , "peterz@infradead.org" , "willy@infradead.org" , "akpm@linux-foundation.org" , "david@kernel.org" , "lorenzo.stoakes@oracle.com" , "Liam.Howlett@oracle.com" , "rppt@kernel.org" , "surenb@google.com" , "mhocko@suse.com" , "ast@kernel.org" , "daniel@iogearbox.net" , "andrii@kernel.org" , "martin.lau@linux.dev" , "eddyz87@gmail.com" , "song@kernel.org" , "yonghong.song@linux.dev" , "john.fastabend@gmail.com" , "kpsingh@kernel.org" , "sdf@fomichev.me" , "haoluo@google.com" , "jolsa@kernel.org" , "jgg@ziepe.ca" , "jhubbard@nvidia.com" , "peterx@redhat.com" , "jannh@google.com" , "pfalcato@suse.de" , "shuah@kernel.org" , "riel@surriel.com" , "baohua@kernel.org" , "ryan.roberts@arm.com" , "jgross@suse.com" , "yu-cheng.yu@intel.com" , "kas@kernel.org" , "coxu@redhat.com" , "kevin.brodsky@arm.com" , "ackerleytng@google.com" , "maobibo@loongson.cn" , "prsampat@amd.com" , "mlevitsk@redhat.com" , "isaku.yamahata@intel.com" , "jmattson@google.com" , "jthoughton@google.com" , "linux-arm-kernel@lists.infradead.org" , "vannapurve@google.com" , "jackmanb@google.com" , "aneesh.kumar@kernel.org" , "patrick.roy@linux.dev" , "Thomson, Jack" , "Itazuri, Takahiro" , "Manwaring, Derek" , "Cali, Marco" References: <20251205165743.9341-1-kalyazin@amazon.com> <20251205165743.9341-5-kalyazin@amazon.com> From: Vlastimil Babka Autocrypt: addr=vbabka@suse.cz; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 3FB74A0008 X-Rspam-User: X-Rspamd-Server: rspam12 X-Stat-Signature: ztcqymw3x3kegwf9omx5hpea9ekg9jcw X-HE-Tag: 1765185014-928769 X-HE-Meta: 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 lBdQ8oKJ up5L3fo6S6lmydtPf3xWlHElnyZchhPRtnStzPPeCQeo1nzqb3zIunuI0JbTksQr6gFUqRTNjkzBP1ju4PHYKAXbFW1gGUuvzyE7kgOGa6DzbhNW1iHF0Qts4mjJT2ndbp9ZeahQAvWEU/YyK+rG9EwxfRSo6MZPQPigHzX5P/cJBhR0VTI/AJKbCI/dfxeaJ7WBG9AqVtBulki3yejhmfUd06jKGu/+NNX3RFsB6ZM4VCTqYUABw3JlXhJlRV5VoY46tv3DHrOj19HZQqQDO3MrKL5ELlkMhI8VLPOxL2c4auW05jAXY1RwOOhRKOyXoLcjVFjXo58KZaJ6j9UzvZ9UGrLuiCJszMt04bVqCM4QhbU1HP4DjwrZ/Y7ZzMzOkD9mxLJ+ez/MPyeCY1wDhcrRID6eCwyIuw8pI+y0fI/vdOVH4SkGImeyohFKQlf1i2Bmd7+gbK00rZQHPLWtzj7J8dlz+Wy0GYxch6XXyINGu0OYNv41HtHDsiQ== 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: List-Subscribe: List-Unsubscribe: On 12/5/25 17:58, Kalyazin, Nikita wrote: > From: Patrick Roy > > Add a no-op stub for kvm_arch_gmem_invalidate if > CONFIG_HAVE_KVM_ARCH_GMEM_INVALIDATE=n. This allows defining > kvm_gmem_free_folio without ifdef-ery, which allows more cleanly using > guest_memfd's free_folio callback for non-arch-invalidation related > code. > > Acked-by: David Hildenbrand (Red Hat)" Signed-off-by: Patrick Roy > Signed-off-by: Nikita Kalyazin Acked-by: Vlastimil Babka