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| author | Michael Shavit <mshavit@google.com> | 2023-09-15 21:17:39 +0800 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2023-10-12 17:08:17 +0100 |
| commit | 6032f58498b70f80103f467de4213f2ffbc2b062 (patch) | |
| tree | b26162387fdc4fa9fefa58903427d34f363aa478 | |
| parent | 5e14313df2c8f81e22e62b4cd068ef3ee30914c8 (diff) | |
| download | lwn-6032f58498b70f80103f467de4213f2ffbc2b062.tar.gz lwn-6032f58498b70f80103f467de4213f2ffbc2b062.zip | |
iommu/arm-smmu-v3: Update comment about STE liveness
Update the comment to reflect the fact that the STE is not always
installed. arm_smmu_domain_finalise_s1 intentionnaly calls
arm_smmu_write_ctx_desc while the STE is not installed.
Reviewed-by: Nicolin Chen <nicolinc@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Michael Shavit <mshavit@google.com>
Tested-by: Nicolin Chen <nicolinc@nvidia.com>
Link: https://lore.kernel.org/r/20230915211705.v8.8.I7a8beb615e2520ad395d96df94b9ab9708ee0d9c@changeid
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c index 49f3abb3e28f..8fab0f3a09e5 100644 --- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c +++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c @@ -1091,7 +1091,7 @@ int arm_smmu_write_ctx_desc(struct arm_smmu_master *master, int ssid, cdptr[3] = cpu_to_le64(cd->mair); /* - * STE is live, and the SMMU might read dwords of this CD in any + * STE may be live, and the SMMU might read dwords of this CD in any * order. Ensure that it observes valid values before reading * V=1. */ |