From mboxrd@z Thu Jan 1 00:00:00 1970 From: andreas.herrmann@calxeda.com (Andreas Herrmann) Date: Fri, 27 Sep 2013 23:22:44 +0200 Subject: [PATCH] iommu/arm-smmu: Print context fault information In-Reply-To: <20130927104557.GN3315@alberich> References: <1380234982-1677-1-git-send-email-andreas.herrmann@calxeda.com> <1380234982-1677-9-git-send-email-andreas.herrmann@calxeda.com> <20130927100902.GD9057@mudshark.cambridge.arm.com> <20130927104557.GN3315@alberich> Message-ID: <20130927212244.GU3315@alberich> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Print context fault information when the fault was not handled by report_iommu_fault. Signed-off-by: Andreas Herrmann --- 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 2a9acc1..5e1dad1 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, "context fault: iova=0x%08lx, " + "fsynr=0x%x, cb=%d\n", + iova, fsynr, root_cfg->cbndx); ret = IRQ_NONE; resume = RESUME_TERMINATE; } -- 1.7.9.5