Hi Rahul, On 09/03/2021 18:19, Rahul Singh wrote:
This patch is the work to fix the stream match conflict issue when two devices 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
A couple of questions: * Are they backported verbatim from Linux upstream? * Did you check there was no bug fix afterwards? Cheers, -- Julien Grall
