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Mon, 02 Mar 2026 00:45:45 -0800 (PST) X-Received: by 2002:a05:600c:458b:b0:483:43da:6c87 with SMTP id 5b1f17b1804b1-483c9bdb71amr195844995e9.33.1772441144945; Mon, 02 Mar 2026 00:45:44 -0800 (PST) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Ani Sinha Subject: [PULL 047/102] accel/kvm: mark guest state as unprotected after vm file descriptor change Date: Mon, 2 Mar 2026 09:42:42 +0100 Message-ID: <20260302084338.473368-48-pbonzini@redhat.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260302084338.473368-1-pbonzini@redhat.com> References: <20260302084338.473368-1-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: -8 X-Spam_score: -0.9 X-Spam_bar: / X-Spam_report: (-0.9 / 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_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.012, RCVD_IN_VALIDITY_RPBL_BLOCKED=1.188, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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: 1772441822977158500 Content-Type: text/plain; charset="utf-8" From: Ani Sinha When the KVM VM file descriptor has changed and a new one created, the guest state is no longer in protected state. Mark it as such. The guest state becomes protected again when TDX and SEV-ES and SEV-SNP mark it as such. Signed-off-by: Ani Sinha Link: https://lore.kernel.org/r/20260225035000.385950-7-anisinha@redhat.com Signed-off-by: Paolo Bonzini --- accel/kvm/kvm-all.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index cc5c42ce4de..096edb5e198 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -2650,6 +2650,9 @@ static int kvm_reset_vmfd(MachineState *ms) =20 s->vmfd =3D ret; =20 + /* guest state is now unprotected again */ + kvm_state->guest_state_protected =3D false; + kvm_setup_dirty_ring(s); =20 /* rebind memory to new vm fd */ --=20 2.53.0