Ensure the hooks that the generic cache maintenance framework uses are available on ARM64 by selecting ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION. The generic CPU cache maintenance framework provides a way to register drivers for devices implementing the underlying support for cpu_cache_has_invalidate_memregion(). Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx> --- arch/arm64/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index e9bbfacc35a6..15bf429b3f59 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -21,6 +21,7 @@ config ARM64 select ARCH_ENABLE_THP_MIGRATION if TRANSPARENT_HUGEPAGE select ARCH_HAS_CACHE_LINE_SIZE select ARCH_HAS_CC_PLATFORM + select ARCH_HAS_CPU_CACHE_INVALIDATE_MEMREGION select ARCH_HAS_CURRENT_STACK_POINTER select ARCH_HAS_DEBUG_VIRTUAL select ARCH_HAS_DEBUG_VM_PGTABLE @@ -146,6 +147,7 @@ config ARM64 select GENERIC_ARCH_TOPOLOGY select GENERIC_CLOCKEVENTS_BROADCAST select GENERIC_CPU_AUTOPROBE + select GENERIC_CPU_CACHE_MAINTENANCE select GENERIC_CPU_DEVICES select GENERIC_CPU_VULNERABILITIES select GENERIC_EARLY_IOREMAP -- 2.48.1
