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authorChristoph Hellwig <hch@lst.de>2020-08-17 17:41:50 +0300
committerChristoph Hellwig <hch@lst.de>2020-09-11 10:10:17 +0300
commitabdaf11ac18925ce8cc229e62e35b342d548ece2 (patch)
treec32d6fd1625f6835947ca94130ca0942ef47ad01 /arch/ia64/Kconfig
parentef1a85b6ca093abb00fbc38ea55fd9ae08ab05ef (diff)
downloadlinux-abdaf11ac18925ce8cc229e62e35b342d548ece2.tar.xz
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>
Diffstat (limited to 'arch/ia64/Kconfig')
-rw-r--r--arch/ia64/Kconfig3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 5b4ec80bf586..513ba0c5d336 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -8,6 +8,7 @@ menu "Processor type and features"
config IA64
bool
+ select ARCH_HAS_DMA_MARK_CLEAN
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
select ACPI
@@ -32,8 +33,6 @@ config IA64
select TTY
select HAVE_ARCH_TRACEHOOK
select HAVE_VIRT_CPU_ACCOUNTING
- select DMA_NONCOHERENT_MMAP
- select ARCH_HAS_SYNC_DMA_FOR_CPU
select VIRT_TO_BUS
select GENERIC_IRQ_PROBE
select GENERIC_PENDING_IRQ if SMP