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DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Apr 2022 10:08:21.0902 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8d76ff8f-50e7-48e1-f92d-08da16230c52 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT015.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW2PR12MB2363 Cc: Vasant Hegde X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Vasant Hegde via iommu Reply-To: Vasant Hegde Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" Fix amd_iommu_flush_dte_all() and amd_iommu_flush_tlb_all() to flush upto last_bdf only. Co-developed-by: Suravee Suthikulpanit Signed-off-by: Suravee Suthikulpanit Signed-off-by: Vasant Hegde --- drivers/iommu/amd/iommu.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index 69c88e6c9fde..60fbb1abb15f 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -1190,8 +1190,9 @@ static int iommu_flush_dte(struct amd_iommu *iommu, u16 devid) static void amd_iommu_flush_dte_all(struct amd_iommu *iommu) { u32 devid; + u16 last_bdf = iommu->pci_seg->last_bdf; - for (devid = 0; devid <= 0xffff; ++devid) + for (devid = 0; devid <= last_bdf; ++devid) iommu_flush_dte(iommu, devid); iommu_completion_wait(iommu); @@ -1204,8 +1205,9 @@ static void amd_iommu_flush_dte_all(struct amd_iommu *iommu) static void amd_iommu_flush_tlb_all(struct amd_iommu *iommu) { u32 dom_id; + u16 last_bdf = iommu->pci_seg->last_bdf; - for (dom_id = 0; dom_id <= 0xffff; ++dom_id) { + for (dom_id = 0; dom_id <= last_bdf; ++dom_id) { struct iommu_cmd cmd; build_inv_iommu_pages(&cmd, 0, CMD_INV_IOMMU_ALL_PAGES_ADDRESS, dom_id, 1); @@ -1248,8 +1250,9 @@ static void iommu_flush_irt(struct amd_iommu *iommu, u16 devid) static void amd_iommu_flush_irt_all(struct amd_iommu *iommu) { u32 devid; + u16 last_bdf = iommu->pci_seg->last_bdf; - for (devid = 0; devid <= MAX_DEV_TABLE_ENTRIES; devid++) + for (devid = 0; devid <= last_bdf; devid++) iommu_flush_irt(iommu, devid); iommu_completion_wait(iommu); -- 2.27.0 _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu