From: Fabio Estevam <[email protected]> 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 <[email protected]> --- This depends on Nishanth Menon's series that introduces the ARM_CORTEX_A8_CVE_2017_5715 Spectre workaround. 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 06322b2..100257b 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" -- 2.7.4 _______________________________________________ U-Boot mailing list [email protected] https://lists.denx.de/listinfo/u-boot

