iommu/amd: use full 64-bit value in build_completion_wait()
We started using a 64 bit completion value. Unfortunately, we only stored the low 32-bits, so a very large completion value would never be matched in iommu_completion_wait(). Fixes: c69d89af ("iommu/amd: Use 4K page for completion wait write-back semaphore") Signed-off-by: John Sperbeck <jsperbeck@google.com> Link: https://lore.kernel.org/r/20220801192229.3358786-1-jsperbeck@google.com Signed-off-by: Joerg Roedel <jroedel@suse.de>
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