Re: [PATCH] scsi: pm8001: Fix phys_to_virt() usage on dma_addr_t

John Garry
2021-12-07T13:54:45Z

On 07/12/2021 10:36, Ajish.Koshy@microchip.com wrote:
> Well I could see this kernel panic [ 126.843958] RIP: 0010:pm80xx_chip_smp_req+0x1d6/0x2e0 [pm80xx] with respect to existing driver on my current system x86 64bit after enabling the following 2 kernel boot arguments:
> -intel_iommu=on
> -iommu.passthrough=0
>
OK, so it seems that it was the kernel which was just not enabling the
IOMMU previously, which would be consistent with what Niklas mentioned.

Anyway, please supply reviewed-by and/or tested-by tags so that the SCSI
maintainers can pick it up.

I suppose that we should also have:

Fixes: f5860992db55 ("[SCSI] pm80xx: Added SPCv/ve specific hardware
functionalities and relevant changes in common files")

Thanks for testing,
John