Re: [edk2-devel] [RFC/RFT PATCH] OvmfPkg/IoMmuDxe: don't rely on TPLs for re-entrancy

["Ard Biesheuvel" <ardb@kernel.org>]

On Mon, 28 Aug 2023 at 11:16, Gerd Hoffmann <kraxel@redhat.com> wrote:
>
>   Hi,
>
> > I have tried the patch below, and I don't see any slowdowns with or
> > without the patch, running both DEBUG and RELEASE builds under
> > ordinary KVM/nested-virt. Note that the change in the first hunk will
> > cause the ASSERT()s removed in the other hunks to trigger so the code
> > is definitely being exercised.
>
> QE team tested again with fresh builds, the slowdown isn't there any
> more.  Not fully clear where it came from, but most likely not from
> this patch.
>
> Only 20 successful test runs so far, which a good start, but with
> a reproduce rate below 20% not that much.    I'll post an update
> when it I get more results.
>

Excellent, thanks for the update.


-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#108057): https://edk2.groups.io/g/devel/message/108057
Mute This Topic: https://groups.io/mt/100256049/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-