[PATCH] arm64: Always use REFCOUNT_FULL

[Kees Cook]

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

Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: hw.likun@xxxxxxxxxx
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 0df64a6a56d4..9fe7a7f4c94c 100644
--- 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
-- 
2.7.4


-- 
Kees Cook
Pixel Security