On Tue, 22 Aug 2023 at 08:25, Gerd Hoffmann <kra...@redhat.com> wrote:
>
> On Thu, Jul 20, 2023 at 03:45:57PM +0200, Ard Biesheuvel wrote:
> > Instead of relying on raising the TPL to protect the critical sections
> > that manipulate the global bitmask that keeps track of bounce buffer
> > allocations, use compare-and-exchange to manage the global variable, and
> > tweak the logic to line up with that.
> >
> > Given that IoMmuDxe implements a singleton protocol that is shared
> > between multiple drivers, and considering the elaborate and confusing
> > requirements in the UEFP spec regarding TPL levels at which protocol
> > methods may be invoked, not relying on TPL levels at all is a more
> > robust approach in this case.
> >
> > Cc: Gerd Hoffmann <kra...@redhat.com>
> > Cc: Jiewen Yao <jiewen....@intel.com>
> > Cc: Michael Brown <mc...@ipxe.org>
> > Link: https://bugzilla.redhat.com/show_bug.cgi?id=2211060
> > Signed-off-by: Ard Biesheuvel <a...@kernel.org>
>
> Looks good to me.
>
> What is the status?  Merged?  Or waiting for testing still?  If so I can
> create a test build with the patch and ask our QE department to check
> it.
>

Still waiting for testing, so yes, please test.


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