Enable CVE_2017_5715 and since we have our own v7_arch_cp15_set_acr
function to setup the bits, we are able to override the settings.
Without this enabled, Linux kernel reports:
CPU0: Spectre v2: firmware did not set auxiliary control register IBE bit,
system vulnerable
With this enabled, Linux kernel reports:
CPU0: Spectre v2: using ICIALLU workaround
NOTE: This by itself does not enable the workaround for CPU1 (on
OMAP5 and DRA72/AM572 SoCs) and may require additional kernel patches.
Signed-off-by: Nishanth Menon <n...@ti.com>
---
arch/arm/mach-omap2/Kconfig | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 3bb1ecb58de0..77820cc8d1e4 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -53,6 +53,7 @@ config OMAP54XX
bool "OMAP54XX SoC"
select ARM_ERRATA_798870
select SYS_THUMB_BUILD
+ select ARM_CORTEX_A15_CVE_2017_5715
imply NAND_OMAP_ELM
imply NAND_OMAP_GPMC
imply SPL_DISPLAY_PRINT
--
2.15.1
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