The less said about "~12UL" the better. Oh dear. We get away with it due to calling constraints that mean IOVAs are implicitly at least page-aligned to begin with, but still; oh dear.
Signed-off-by: Robin Murphy <robin.mur...@arm.com> --- drivers/iommu/arm-smmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 64977c131ee6..d60ee292ecee 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -504,7 +504,7 @@ static void arm_smmu_tlb_inv_range_nosync(unsigned long iova, size_t size, reg += leaf ? ARM_SMMU_CB_S1_TLBIVAL : ARM_SMMU_CB_S1_TLBIVA; if (cfg->fmt != ARM_SMMU_CTX_FMT_AARCH64) { - iova &= ~12UL; + iova = (iova >> 12) << 12; iova |= cfg->asid; do { writel_relaxed(iova, reg); -- 2.21.0.dirty _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu