From 2ef0f03120ea2ad64d0e70f032a58e6c13603cdc Mon Sep 17 00:00:00 2001 From: Andreas Herrmann Date: Tue, 1 Oct 2013 13:39:08 +0100 Subject: [PATCH] iommu/arm-smmu: Print context fault information Print context fault information when the fault was not handled by report_iommu_fault. Signed-off-by: Andreas Herrmann [will: fixed string formatting] Signed-off-by: Will Deacon --- drivers/iommu/arm-smmu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index e4693cee5f2c..a984e08eb084 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -590,6 +590,9 @@ static irqreturn_t arm_smmu_context_fault(int irq, void *dev) ret = IRQ_HANDLED; resume = RESUME_RETRY; } else { + dev_err_ratelimited(smmu->dev, + "Unhandled context fault: iova=0x%08lx, fsynr=0x%x, cb=%d\n", + iova, fsynr, root_cfg->cbndx); ret = IRQ_NONE; resume = RESUME_TERMINATE; } -- GitLab