search for: sagaw

...>= PAGE_SIZE || + ecap_iotlb_offset(iommu->ecap) >= PAGE_SIZE ) + { + dprintk(XENLOG_ERR VTDPREFIX, "IOMMU: unsupported\n"); + print_iommu_regs(drhd); + return -ENODEV; + } /* Calculate number of pagetable levels: between 2 and 4. */ sagaw = cap_sagaw(iommu->cap); @@ -1081,7 +1093,7 @@ static int iommu_alloc(struct acpi_drhd_ { dprintk(XENLOG_ERR VTDPREFIX, "IOMMU: unsupported sagaw %lx\n", sagaw); - xfree(iommu); + print_iommu_regs(drhd); return -ENODEV; }...

This patchset converts the intel iommu driver to the dma-iommu api. While converting the driver I exposed a bug in the intel i915 driver which causes a huge amount of artifacts on the screen of my laptop. You can see a picture of it here: https://github.com/pippy360/kernelPatches/blob/master/IMG_20191219_225922.jpg This issue is most likely in the i915 driver and is most likely caused by the

This patchset converts the intel iommu driver to the dma-iommu api. While converting the driver I exposed a bug in the intel i915 driver which causes a huge amount of artifacts on the screen of my laptop. You can see a picture of it here: https://github.com/pippy360/kernelPatches/blob/master/IMG_20191219_225922.jpg This issue is most likely in the i915 driver and is most likely caused by the