On Thu, Jun 15, 2017 at 11:33:41AM -0500, Tom Lendacky wrote:
> Changing the signature back reverts to the original way, so this can be
> looked at separate from this patchset then.
Right, the patch which added the volatile thing was this one:
4bf5beef578e ("iommu/amd: Don't put completion-wait semaphore on stack")
and the commit message doesn't say why the thing needs to be volatile at
all.
Joerg?
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Boris.
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