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Tsirkin" To: qemu-devel@nongnu.org Cc: Peter Maydell , Alejandro Jimenez , qemu-stable@nongnu.org, Vasant Hegde , Marcel Apfelbaum , Paolo Bonzini , Richard Henderson , Eduardo Habkost Subject: [PULL 18/97] amd_iommu: Fix Device ID decoding for INVALIDATE_IOTLB_PAGES command Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent 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=170.10.133.124; envelope-from=mst@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_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=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: 1752534677317116600 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Alejandro Jimenez The DeviceID bits are extracted using an incorrect offset in the call to amdvi_iotlb_remove_page(). This field is read (correctly) earlier, so use the value already retrieved for devid. Cc: qemu-stable@nongnu.org Fixes: d29a09ca6842 ("hw/i386: Introduce AMD IOMMU") Signed-off-by: Alejandro Jimenez Reviewed-by: Vasant Hegde Message-Id: <20250617150427.20585-3-alejandro.j.jimenez@oracle.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/i386/amd_iommu.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index 963aa2450c..c27efa504d 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -508,7 +508,7 @@ static void amdvi_inval_inttable(AMDVIState *s, uint64_= t *cmd) static void iommu_inval_iotlb(AMDVIState *s, uint64_t *cmd) { =20 - uint16_t devid =3D extract64(cmd[0], 0, 16); + uint16_t devid =3D cpu_to_le16(extract64(cmd[0], 0, 16)); if (extract64(cmd[1], 1, 1) || extract64(cmd[1], 3, 1) || extract64(cmd[1], 6, 6)) { amdvi_log_illegalcom_error(s, extract64(cmd[0], 60, 4), @@ -521,7 +521,7 @@ static void iommu_inval_iotlb(AMDVIState *s, uint64_t *= cmd) &devid); } else { amdvi_iotlb_remove_page(s, cpu_to_le64(extract64(cmd[1], 12, 52)) = << 12, - cpu_to_le16(extract64(cmd[1], 0, 16))); + devid); } trace_amdvi_iotlb_inval(); } --=20 MST