[PATCH 0/3] UEFI stub pre-boot compat checks

Suzuki K. Poulose Suzuki.Poulose at arm.com
Fri Jan 29 09:30:46 PST 2016


On 28/01/16 17:02, Ard Biesheuvel wrote:
> As discussed earlier today [1], and last year [2], it makes sense for the
> UEFI stub to perform some basic checks on the hardware for missing features
> that would prevent the kernel from booting to a state where it can even
> complain about this.
>
> So implements this for ARM, to check on LPAE builds whether the CPU supports
> it (patch #1), and for arm64, to check whether the build time granule is
> implemented by the CPU (patch #2). Patch #3 wires it up into the shared init
> code.
>
> [1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/472880
> [2] http://thread.gmane.org/gmane.linux.ports.arm.kernel/447370

Ard,

Thanks for the quick solution. I tested this on Juno for 16K granule.
So, for arm64:

Tested-by: Suzuki K Poulose <suzuki.poulose at arm.com>


Cheers
Suzuki



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