2023-09-15 18:47:55

by Michael Shavit

[permalink] [raw]
Subject: [PATCH v8 8/9] 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 <[email protected]>
Reviewed-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Michael Shavit <[email protected]>
---

(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.
*/
--
2.42.0.459.ge4e396fd5e-goog