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charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260910-gmem-inplace-conversion-v13-2-dd6fbf94f4e1@google.com> References: <20260910-gmem-inplace-conversion-v13-0-dd6fbf94f4e1@google.com> In-Reply-To: <20260910-gmem-inplace-conversion-v13-0-dd6fbf94f4e1@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, 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, Randy Dunlap , Lorenzo Stoakes , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Jason Gunthorpe , Fuad Tabba , 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 , Fuad Tabba X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1789084533; l=1294; i=ackerleytng@google.com; s=20260225; h=from:subject:message-id; bh=xBY4/PDaaQtcraLoiAXWiRvSzJvbVV+mCywqqocyhZQ=; b=jHExpGn19+46TGPhs2mSl/iRUELt5TmexnGBnzViqDnulHKSXZHs6JhnFrc0k/g5LfTsHjFl8 V2SEJMaaAvDAthuaxmPPzBuyzANiE73i2fVJSedDfp0EMUynAudIhb8 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-Rspam-User: X-Rspamd-Queue-Id: 39863C0002 X-Stat-Signature: 6b47ujts6bmyo3roazpghosj141bzj46 X-Rspamd-Server: rspam01 X-HE-Tag: 1789084538-967881 X-HE-Meta: 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 jO4vmpio 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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 Use 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 Reviewed-by: Xiaoyao Li Reviewed-by: Binbin Wu Reviewed-by: Fuad Tabba Reviewed-by: David Hildenbrand (Arm) --- 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 2190e4d6b6bea..69612bf146be1 100644 --- a/virt/kvm/guest_memfd.c +++ b/virt/kvm/guest_memfd.c @@ -805,9 +805,7 @@ 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; } -- 2.55.0.1007.g17ff1f9808-goog