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Sat, 13 Sep 2025 01:12:26 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFccGLYb1kgD9rsY9/uhSVBamxYu66kvpVDifLnQ5iBklVhgSMB1dnQ1HwmXJ/YeydsTu+KtA== X-Received: by 2002:a05:600c:190d:b0:45f:28c9:4261 with SMTP id 5b1f17b1804b1-45f28c94362mr6143785e9.20.1757751146440; Sat, 13 Sep 2025 01:12:26 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Xiaoyao Li Subject: [PULL 59/61] accel/kvm: Switch to check KVM_CAP_GUEST_MEMFD and KVM_CAP_USER_MEMORY2 on VM Date: Sat, 13 Sep 2025 10:09:40 +0200 Message-ID: <20250913080943.11710-60-pbonzini@redhat.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250913080943.11710-1-pbonzini@redhat.com> References: <20250913080943.11710-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1757751719545116600 Content-Type: text/plain; charset="utf-8" From: Xiaoyao Li It returns more accruate result on checking KVM_CAP_GUEST_MEMFD and KVM_CAP_USER_MEMORY2 on VM instance instead of on KVM platform. Signed-off-by: Xiaoyao Li Link: https://lore.kernel.org/r/20250728115707.1374614-2-xiaoyao.li@intel.c= om Signed-off-by: Paolo Bonzini --- accel/kvm/kvm-all.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index d13156bee87..633b72bde2d 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2776,8 +2776,8 @@ static int kvm_init(AccelState *as, MachineState *ms) =20 kvm_supported_memory_attributes =3D kvm_vm_check_extension(s, KVM_CAP_= MEMORY_ATTRIBUTES); kvm_guest_memfd_supported =3D - kvm_check_extension(s, KVM_CAP_GUEST_MEMFD) && - kvm_check_extension(s, KVM_CAP_USER_MEMORY2) && + kvm_vm_check_extension(s, KVM_CAP_GUEST_MEMFD) && + kvm_vm_check_extension(s, KVM_CAP_USER_MEMORY2) && (kvm_supported_memory_attributes & KVM_MEMORY_ATTRIBUTE_PRIVATE); kvm_pre_fault_memory_supported =3D kvm_vm_check_extension(s, KVM_CAP_P= RE_FAULT_MEMORY); =20 --=20 2.51.0