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mx5: Select ARM_CORTEX_A8_CVE_2017_5715

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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 <fabio.estevam@nxp.com>
lime2-spi
Fabio Estevam 6 years ago committed by Tom Rini
parent 2121bbe49c
commit ee322f3c79
1 changed files with 2 additions and 0 deletions
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  1. 2
      arch/arm/mach-imx/mx5/Kconfig

2
arch/arm/mach-imx/mx5/Kconfig
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@ -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"

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