[PATCH] iommu/amd: Fix race in increase_address_space()

[Joerg Roedel]

On Thu, Sep 05, 2019 at 04:57:21PM -0400, Qian Cai wrote:
> On Thu, 2019-09-05 at 13:43 +0200, Joerg Roedel wrote:
> > But I think the right fix is to lock the operation in
> > increase_address_space() directly, and not the calls around it, like in
> > the diff below. It is untested, so can you please try it and report back
> > if it fixes your issue?
> 
> Yes, it works great so far.

Thanks for testing! I queued the patch below to the IOMMU tree and will
send it upstream for v5.3 today.

Thanks,

	Joerg