[edk2-devel] [PATCH 1/1] OvmfPkg/IoMmuDxe: add locking to IoMmuAllocateBounceBuffer
Gerd Hoffmann
kraxel at redhat.com
Thu Jul 20 08:30:04 UTC 2023
Hi,
> > On a quick review of the code, there appear to be other points that also
> > modify mReservedMemBitmap (IoMmuAllocateCommonBuffer() and
> > IoMmuFreeCommonBuffer()). I'd guess that these also need to raise to
> > TPL_NOTIFY, but I'm not familiar with the code so I don't know if
> > there's anything that makes this unnecessary.
> >
>
> Thanks for mentioning that - perhaps Gerd could have another look? (I
> merged the v2 already)
Patch sent. Same pattern. Didn't notice we have that twice (once for
explicitly allocating buffers and once for internally used bounce
buffers).
take care,
Gerd
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