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(parent: ef1a85b) | patch
dma-mapping: add (back) arch_dma_mark_clean for ia64
authorChristoph Hellwig <hch@lst.de>
Mon, 17 Aug 2020 14:41:50 +0000 (16:41 +0200)
committerChristoph Hellwig <hch@lst.de>
Fri, 11 Sep 2020 07:10:17 +0000 (09:10 +0200)
commitabdaf11ac18925ce8cc229e62e35b342d548ece2
treec32d6fd1625f6835947ca94130ca0942ef47ad01tree | snapshot
parentef1a85b6ca093abb00fbc38ea55fd9ae08ab05efcommit | diff
dma-mapping: add (back) arch_dma_mark_clean for ia64

Add back a hook to optimize dcache flushing after reading executable
code using DMA.  This gets ia64 out of the business of pretending to
be dma incoherent just for this optimization.

Signed-off-by: Christoph Hellwig <hch@lst.de>
arch/ia64/Kconfig diff | blob | history
arch/ia64/kernel/dma-mapping.c diff | blob | history
arch/ia64/mm/init.c diff | blob | history
include/linux/dma-direct.h diff | blob | history
include/linux/dma-noncoherent.h diff | blob | history
kernel/dma/Kconfig diff | blob | history
kernel/dma/direct.c diff | blob | history