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From: keescook@chromium.org (Kees Cook)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] arm64: Always use REFCOUNT_FULL
Date: Wed, 20 Sep 2017 13:49:59 -0700	[thread overview]
Message-ID: <20170920204959.GA79741@beast> (raw)

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 at huawei.com
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel at 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

             reply	other threads:[~2017-09-20 20:49 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-20 20:49 Kees Cook [this message]
2017-09-20 22:44 ` [PATCH] arm64: Always use REFCOUNT_FULL Ard Biesheuvel
2017-09-21 17:45 ` Al Viro
2017-09-21 17:52   ` Kees Cook

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