[RFC PATCH] iommu/amd: fix a race in fetch_pte()
cai at lca.pw
Sun May 3 13:04:03 UTC 2020
> On Apr 29, 2020, at 7:20 AM, Joerg Roedel <joro at 8bytes.org> wrote:
> On Mon, Apr 20, 2020 at 09:26:12AM -0400, Qian Cai wrote:
>> No dice. There could be some other races. For example,
> Can you please test this branch:
> It has the previous fix in it and a couple more to make sure the
> device-table is updated and flushed before increase_address_space()
> updates domain->pt_root.
I believe this closed the existing races as it had survived for many days. Great work!
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