From: Andreas Herrmann <andreas.herrmann-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
To: Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>
Cc: Andreas Herrmann
<andreas.herrmann-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
Rob Herring <robherring2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: [PATCH 4/6] iommu/arm-smmu: Print context fault information
Date: Tue, 1 Oct 2013 14:39:08 +0200 [thread overview]
Message-ID: <1380631150-10783-5-git-send-email-andreas.herrmann@calxeda.com> (raw)
In-Reply-To: <1380631150-10783-1-git-send-email-andreas.herrmann-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
Print context fault information when the fault was not handled by
report_iommu_fault.
Signed-off-by: Andreas Herrmann <andreas.herrmann-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
---
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 7d07561..579b6f8 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
next prev parent reply other threads:[~2013-10-01 12:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-01 12:39 [PATCH 0/6] iommu/arm-smmu: Misc changes Andreas Herrmann
[not found] ` <1380631150-10783-1-git-send-email-andreas.herrmann-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
2013-10-01 12:39 ` [PATCH 1/6] iommu/arm-smmu: Switch to subsys_initcall for driver registration Andreas Herrmann
2013-10-01 12:39 ` [PATCH 2/6] iommu/arm-smmu: Refine check for proper size of mapped region Andreas Herrmann
2013-10-01 12:39 ` [PATCH 3/6] iommu/arm-smmu: Check for num_context_irqs > 0 to avoid divide by zero exception Andreas Herrmann
2013-10-01 12:39 ` Andreas Herrmann [this message]
2013-10-01 12:39 ` [PATCH 5/6] iommu/arm-smmu: Clear global and context bank fault status registers Andreas Herrmann
2013-10-01 12:39 ` [PATCH 6/6] iommu/arm-smmu: Support buggy implemenations where all config accesses are secure Andreas Herrmann
[not found] ` <1380631150-10783-7-git-send-email-andreas.herrmann-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org>
2013-10-01 13:28 ` Rob Herring
[not found] ` <524ACE13.4020309-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2013-10-01 18:17 ` Andreas Herrmann
2013-10-02 10:44 ` Will Deacon
2013-10-01 15:50 ` [PATCH 0/6] iommu/arm-smmu: Misc changes Will Deacon
[not found] ` <20131001155008.GB17667-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2013-10-01 18:20 ` Andreas Herrmann
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