From fcf532fe2002915fea05cfe2089748cdebd23950 Mon Sep 17 00:00:00 2001 From: Andy Whitcroft Date: Fri, 12 Jan 2018 15:08:00 +0000 Subject: [PATCH 105/131] arm: no osb() implementation yet CVE-2017-5753 (Spectre v1 Intel) Signed-off-by: Andy Whitcroft --- arch/arm/include/asm/barrier.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h index 2f59f7443396..151fbcba1672 100644 --- a/arch/arm/include/asm/barrier.h +++ b/arch/arm/include/asm/barrier.h @@ -49,6 +49,9 @@ #define wmb() barrier() #endif +#define osb() do { } while (0) +#define osb_is_enabled (0) + #ifndef CONFIG_SMP #define smp_mb() barrier() #define smp_rmb() barrier() -- 2.15.1