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| author | Christoph Hellwig <hch@lst.de> | 2020-08-17 17:41:50 +0300 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-09-11 10:10:17 +0300 |
| commit | abdaf11ac18925ce8cc229e62e35b342d548ece2 (patch) | |
| tree | c32d6fd1625f6835947ca94130ca0942ef47ad01 /arch/ia64/Kconfig | |
| parent | ef1a85b6ca093abb00fbc38ea55fd9ae08ab05ef (diff) | |
| download | linux-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/Kconfig | 3 |
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 |