And register the default handler for domains that are created during device isolation.
Signed-off-by: Andreas Herrmann <[email protected]> --- drivers/iommu/arm-smmu.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 48f3bfb..380c2a0 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1816,6 +1816,13 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) return 0; } +static int arm_smmu_context_fault_handler(struct iommu_domain *domain, + struct device *dev, unsigned long iova, int flags, void *arg) +{ + dev_warn(dev, "context fault: iova=0x%08lx, flags=0x%x\n", iova, flags); + return 0; +} + extern struct platform_device *of_find_device_by_node(struct device_node *np); static int arm_smmu_isolate_devices(void) @@ -1859,6 +1866,9 @@ static int arm_smmu_isolate_devices(void) goto out; } + iommu_set_fault_handler(mapping->domain, + arm_smmu_context_fault_handler, dev); + ret = arm_iommu_attach_device(dev, mapping); if (ret < 0) { dev_info(dev, "arm_iommu_attach_device failed\n"); -- 1.7.9.5 _______________________________________________ iommu mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/iommu
