arm64: Always use REFCOUNT_FULL

As discussed at the Linux Security Summit, arm64 prefers to use
REFCOUNT_FULL by default. This enables it for the architecture.

Cc: [email protected]
Cc: Catalin Marinas <[email protected]>
Acked-by: Ard Biesheuvel <[email protected]>
Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Will Deacon <[email protected]>

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 0df64a6a56d4985b9c9da0ea3b9092adddb71194..9fe7a7f4c94cdd15fdc07af3d750c024ea3ac60b 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -119,6 +119,7 @@ config ARM64
        select PCI_ECAM if ACPI
        select POWER_RESET
        select POWER_SUPPLY
+       select REFCOUNT_FULL
        select SPARSE_IRQ
        select SYSCTL_EXCEPTION_TRACE
        select THREAD_INFO_IN_TASK