From ee322f3c79a86e6f26629f8535cddb2b844d5113 Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Wed, 20 Jun 2018 15:08:21 -0300 Subject: [PATCH] mx5: Select ARM_CORTEX_A8_CVE_2017_5715 On a 4.18-rc1 kernel the following warning is seen on i.MX51 and i.MX53: CPU0: Spectre v2: firmware did not set auxiliary control register IBE bit, system vulnerable Select the ARM_CORTEX_A8_CVE_2017_5715 workaround for i.MX51/i.MX53 to fix the problem. With this patch applied the kernel reports: CPU0: Spectre v2: using BPIALL workaround Signed-off-by: Fabio Estevam --- arch/arm/mach-imx/mx5/Kconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/mach-imx/mx5/Kconfig b/arch/arm/mach-imx/mx5/Kconfig index 06322b2aaa..100257b8e4 100644 --- a/arch/arm/mach-imx/mx5/Kconfig +++ b/arch/arm/mach-imx/mx5/Kconfig @@ -8,9 +8,11 @@ config MX5 config MX51 bool select SYS_FSL_ERRATUM_ESDHC_A001 + select ARM_CORTEX_A8_CVE_2017_5715 config MX53 bool + select ARM_CORTEX_A8_CVE_2017_5715 choice prompt "MX5 board select" -- 2.39.5