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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Mar 2021 17:07:01.1858 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cef07b92-016c-4a7f-c468-08d8e89dea5d X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: AM5EUR03FT027.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR08MB4274 Hello Julien, > On 16 Mar 2021, at 3:04 pm, Julien Grall wrote: >=20 > Hi Rahul, >=20 > On 09/03/2021 18:19, Rahul Singh wrote: >> This patch is the work to fix the stream match conflict issue when two d= evices >> have the same stream-id. >> Approach taken is to merge the below commit from Linux driver to fix the >> issue. >> 1. "iommu/arm-smmu: Handle stream IDs more dynamically" >> commit 21174240e4f4439bb8ed6c116cdbdc03eba2126e >> 2. "iommu/arm-smmu: Consolidate stream map entry state" >> commit 1f3d5ca43019bff1105838712d55be087d93c0da >> 3. "iommu/arm-smmu: Keep track of S2CR state" >> commit 8e8b203eabd8b9e96d02d6339e4abce3e5a7ea4b >> 4. "iommu/arm-smmu: Add a stream map entry iterator" >> commit d3097e39302083d58922a3d1032d7d59a63d263d >> 5. "iommu/arm-smmu: Intelligent SMR allocation" >> commit 588888a7399db352d2b1a41c9d5b3bf0fd482390 >=20 > A couple of questions: > * Are they backported verbatim from Linux upstream? Yes all the patches are backported verbatim form Linux upstream. > * Did you check there was no bug fix afterwards? Yes I checked there is no bug afterwards related to the patches added. Regards, Rahul >=20 > Cheers, >=20 > --=20 > Julien Grall