Re: [PATCH 1/1] iommu/vt-d: Handle memory shortage on pasid table allocation

[Mika Westerberg]

On Sat, Sep 01, 2018 at 02:24:16PM +0800, Lu Baolu wrote:
> Pasid table memory allocation could return failure due to memory
> shortage. Limit the pasid table size to 1MiB because current 8MiB
> contiguous physical memory allocation can be hard to come by. W/o
> a PASID table, the device could continue to work with only shared
> virtual memory impacted. So, let's go ahead with context mapping
> even the memory allocation for pasid table failed.
> 
> Fixes: cc580e41260d ("iommu/vt-d: Per PCI device pasid table interfaces")
> Cc: Ashok Raj <ashok.raj@xxxxxxxxx>
> Cc: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Cc: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>

This fixes the issue I was seeing, thanks!

Tested-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>