Messages in this thread | | | Subject | Re: [RFC PATCH] iommu/amd: fix a race in fetch_pte() | From | Qian Cai <> | Date | Sun, 3 May 2020 09:04:03 -0400 |
| |
> On Apr 29, 2020, at 7:20 AM, Joerg Roedel <joro@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: > > https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git/log/?h=amd-iommu-fixes > > 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!
| |