[PATCH V7 8/8] iommu/arm-smmu: Revert "iommu/arm-smmu: Set PRIVCFG in stage 1 STEs"
flat view
STALE3573d
SUPERSEDED
From: Sricharan R <hidden>
Date: 2016-12-12 18:40:03
Also in:
linux-iommu, lkml
Subsystem:
iommu subsystem, the rest · Maintainers:
Joerg Roedel, Will Deacon, Linus Torvalds
Revision v7 of 3 in this series.
Revisions (3)
- v7 current
- v8 [diff vs current]
- v9 [diff vs current]
From: Robin Murphy <robin.murphy@arm.com> Now that proper privileged mappings can be requested via IOMMU_PRIV, unconditionally overriding the incoming PRIVCFG becomes the wrong thing to do, so stop it. This reverts commit df5e1a0f2a2d779ad467a691203bcbc74d75690e. Signed-off-by: Robin Murphy <robin.murphy@arm.com> --- drivers/iommu/arm-smmu-v3.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-)
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 257a6a3..0eca0553 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c@@ -269,9 +269,6 @@ #define STRTAB_STE_1_SHCFG_INCOMING 1UL #define STRTAB_STE_1_SHCFG_SHIFT 44 -#define STRTAB_STE_1_PRIVCFG_UNPRIV 2UL -#define STRTAB_STE_1_PRIVCFG_SHIFT 48 - #define STRTAB_STE_2_S2VMID_SHIFT 0 #define STRTAB_STE_2_S2VMID_MASK 0xffffUL #define STRTAB_STE_2_VTCR_SHIFT 32
@@ -1073,9 +1070,7 @@ static void arm_smmu_write_strtab_ent(struct arm_smmu_device *smmu, u32 sid, #ifdef CONFIG_PCI_ATS STRTAB_STE_1_EATS_TRANS << STRTAB_STE_1_EATS_SHIFT | #endif - STRTAB_STE_1_STRW_NSEL1 << STRTAB_STE_1_STRW_SHIFT | - STRTAB_STE_1_PRIVCFG_UNPRIV << - STRTAB_STE_1_PRIVCFG_SHIFT); + STRTAB_STE_1_STRW_NSEL1 << STRTAB_STE_1_STRW_SHIFT); if (smmu->features & ARM_SMMU_FEAT_STALLS) dst[1] |= cpu_to_le64(STRTAB_STE_1_S1STALLD);
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