From: Will Deacon Date: Wed, 26 Feb 2014 11:14:37 +0000 (+0000) Subject: iommu/arm-smmu: fix incorrect comment regarding TLB invalidation X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=34fb4b37b7b6da7dc34797d1abf234dd30b091d8;p=linux-beck.git iommu/arm-smmu: fix incorrect comment regarding TLB invalidation Commit 1463fe44fd0f ("iommu/arm-smmu: Don't use VMIDs for stage-1 translations") moved our TLB invalidation from context creation time to context destruction time, but forgot to update an associated comment. This patch fixes the broken comment. Signed-off-by: Will Deacon --- diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 1da5b41afc31..8b89e33a89fe 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1026,9 +1026,8 @@ static void arm_smmu_free_pgtables(struct arm_smmu_domain *smmu_domain) /* * Recursively free the page tables for this domain. We don't - * care about speculative TLB filling, because the TLB will be - * nuked next time this context bank is re-allocated and no devices - * currently map to these tables. + * care about speculative TLB filling because the tables should + * not be active in any context bank at this point (SCTLR.M is 0). */ pgd = pgd_base; for (i = 0; i < PTRS_PER_PGD; ++i) {