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Mon, 26 Jan 2026 21:16:55 -0800 (PST) X-Received: by 2002:a17:90b:3901:b0:32d:f352:f764 with SMTP id 98e67ed59e1d1-353fecd08edmr647562a91.2.1769491015535; Mon, 26 Jan 2026 21:16:55 -0800 (PST) From: Ani Sinha To: Paolo Bonzini Cc: kraxel@redhat.com, Ani Sinha , kvm@vger.kernel.org, qemu-devel@nongnu.org Subject: [PATCH v3 06/33] accel/kvm: mark guest state as unprotected after vm file descriptor change Date: Tue, 27 Jan 2026 10:45:34 +0530 Message-ID: <20260127051612.219475-7-anisinha@redhat.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20260127051612.219475-1-anisinha@redhat.com> References: <20260127051612.219475-1-anisinha@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=anisinha@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_H2=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: 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: 1769491213270154100 Content-Type: text/plain; charset="utf-8" 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 --- 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 46243cfcf2..834df61c31 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 2.42.0