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MFC 304799:
authorandrew <andrew@FreeBSD.org>
Wed, 21 Sep 2016 09:50:50 +0000 (09:50 +0000)
committerandrew <andrew@FreeBSD.org>
Wed, 21 Sep 2016 09:50:50 +0000 (09:50 +0000)
commit02efc1a994a14b68875fa43e1d39deb33232b4c1
treee88aee74636208aa2930d760c9ea1d36daeeda1f
parent36f7b8535d10884b8dd31f0e959b765ada1feb3c
MFC 304799:
Map coherent memory in a non-coherent dma tag as uncached. This is similar
to what the 32-bit arm code does, with the exception that it always assumes
the tag is non-coherent.

Obtained from:  ABT Systems Ltd
Sponsored by:   The FreeBSD Foundation
sys/arm64/arm64/busdma_bounce.c