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virtio: Ensure power-of-two alignment for indirect queue
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Authored by sarah.walker2_arm.com on Fri, Mar 13, 11:12 AM.
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Summary

Some platforms enforce power-of-two alignment for bus_dma tags. Rounding up
the natural size may result in over-alignment, but should be safe.

Sponsored by: Arm Ltd

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rG FreeBSD src repository
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Build 68265: arc lint + arc unit