[PATCH] arm64: Always use REFCOUNT_FULL

Kees Cook
2017-09-20T20:50:04Z

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@linaro.org>
Cc: hw.likun@huawei.com
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
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