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charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260807-gmem-inplace-conversion-v10-1-2fc18ee6d3ba@google.com> References: <20260807-gmem-inplace-conversion-v10-0-2fc18ee6d3ba@google.com> In-Reply-To: <20260807-gmem-inplace-conversion-v10-0-2fc18ee6d3ba@google.com> To: aik@amd.com, andrew.jones@linux.dev, binbin.wu@linux.intel.com, brauner@kernel.org, chao.p.peng@linux.intel.com, david@kernel.org, jmattson@google.com, jthoughton@google.com, michael.roth@amd.com, oupton@kernel.org, pankaj.gupta@amd.com, qperret@google.com, rick.p.edgecombe@intel.com, rientjes@google.com, shivankg@amd.com, steven.price@arm.com, tabba@google.com, willy@infradead.org, wyihan@google.com, yan.y.zhao@intel.com, forkloop@google.com, pratyush@kernel.org, suzuki.poulose@arm.com, aneesh.kumar@kernel.org, liam@infradead.org, Paolo Bonzini , Sean Christopherson , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Jonathan Corbet , Shuah Khan , Shuah Khan , Vishal Annapurve , Andrew Morton , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Barry Song , Axel Rasmussen , Yuanchu Xie , Wei Xu , Youngjun Park , Qi Zheng , Shakeel Butt , Kiryl Shutsemau , Baoquan He , Jason Gunthorpe , John Hubbard , Peter Xu , tarunsahu@google.com, Jason Gunthorpe , Vlastimil Babka , Baoquan He Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev, Ackerley Tng , Xiaoyao Li X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786139564; l=1090; i=ackerleytng@google.com; s=20260225; h=from:subject:message-id; bh=sAMqSCb/MXVvnJq73E9rSMuOWQstWqj6/6Qg36KPzcU=; b=cmKf8pfXyJOIt2jhLTeNcCrFZyW63ls9RwHVg/1LQjI5AItwXbeFEGikLMFxnoMSYbqbA+Wul +5dWBJzgS9oBFaZbki6inPmHvz4xHU/CUHWwk3oNbfC+Mszy+HKIiQ2 X-Developer-Key: i=ackerleytng@google.com; a=ed25519; pk=sAZDYXdm6Iz8FHitpHeFlCMXwabodTm7p8/3/8xUxuU= X-Endpoint-Received: by B4 Relay for ackerleytng@google.com/20260225 with auth_id=649 X-Original-From: Ackerley Tng Reply-To: ackerleytng@google.com X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 3D9E5180008 X-Rspam-User: X-Stat-Signature: fcea3mxe5xxyp6wqrjwoaud5nz7pfutw X-HE-Tag: 1786139569-852706 X-HE-Meta: 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 DWnospl+ 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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: From: Sean Christopherson Using kvm_mem_is_private() when populating guest_memfd instead of using an open coded equivalent. In addition to simplifying the populate code *now*, this avoids the need to provide a range-based gmem lookup API in the future as well. No functional change intended. Suggested-by: Xiaoyao Li Signed-off-by: Sean Christopherson Signed-off-by: Ackerley Tng --- virt/kvm/guest_memfd.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/virt/kvm/guest_memfd.c b/virt/kvm/guest_memfd.c index b596486d184ca..a11cf6dc785da 100644 --- a/virt/kvm/guest_memfd.c +++ b/virt/kvm/guest_memfd.c @@ -811,9 +811,7 @@ static long __kvm_gmem_populate(struct kvm *kvm, struct kvm_memory_slot *slot, folio_unlock(folio); - if (!kvm_range_has_memory_attributes(kvm, gfn, gfn + 1, - KVM_MEMORY_ATTRIBUTE_PRIVATE, - KVM_MEMORY_ATTRIBUTE_PRIVATE)) { + if (!kvm_mem_is_private(kvm, gfn)) { ret = -EINVAL; goto out_put_folio; } -- 2.55.0.654.g21b8a5bc05-goog