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| author | Robin Murphy <robin.murphy@arm.com> | 2017-07-25 11:55:43 +0100 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2017-08-09 12:16:26 +0100 |
| commit | 5d7bdeb1eeb250222304cb7b8126892cc47980a8 (patch) | |
| tree | 56e29a0d8285c6a33cd8a991007207f56414af01 /arch/arm64/Kconfig | |
| parent | d50e071fdaa33c1b399c764c44fa1ce879881185 (diff) | |
| download | lwn-5d7bdeb1eeb250222304cb7b8126892cc47980a8.tar.gz lwn-5d7bdeb1eeb250222304cb7b8126892cc47980a8.zip | |
arm64: uaccess: Implement *_flushcache variants
Implement the set of copy functions with guarantees of a clean cache
upon completion necessary to support the pmem driver.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 0b0576a54724..e43a63b3d14b 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -963,6 +963,7 @@ config ARM64_UAO config ARM64_PMEM bool "Enable support for persistent memory" select ARCH_HAS_PMEM_API + select ARCH_HAS_UACCESS_FLUSHCACHE help Say Y to enable support for the persistent memory API based on the ARMv8.2 DCPoP feature. |