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Subject: [PATCH v8 8/9] iommu/arm-smmu-v3: Update comment about STE liveness
From: Michael Shavit <mshavit@google.com>
To: iommu@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
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Cc: nicolinc@nvidia.com, jgg@nvidia.com, jean-philippe@linaro.org,
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| Series |
Refactor the SMMU's CD table ownership
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Commit Message
Michael Shavit
Sept. 15, 2023, 1:17 p.m. UTC
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> --- (no changes since v6) Changes in v6: - New commit drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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 f9bfa2c8ab1e3..86e4e2df9e2fa 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. */