[U-Boot] [U-Boot, 4/4] ARM: mach-omap2: omap3/am335x: Enable ACR::IBE on Cortex-A8 SoCs for CVE-2017-5715

Tom Rini trini at konsulko.com
Fri Jun 29 20:53:26 UTC 2018


On Tue, Jun 12, 2018 at 03:24:11PM -0500, Nishanth Menon wrote:

> Enable CVE-2017-5715 option to set the IBE bit. This enables kernel
> workarounds necessary for the said CVE.
> 
> With this enabled, Linux reports:
> CPU0: Spectre v2: using BPIALL workaround
> 
> This workaround may need to be re-applied in OS environment around low
> power transition resume states where context of ACR would be lost (off-mode
> etc).
> 
> Signed-off-by: Nishanth Menon <nm at ti.com>

Applied to u-boot/master, thanks!

-- 
Tom
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