Re: [PATCH v4 15/22] arm64: capabilities: Change scope of VHE to Boot CPU feature

[Dave Martin]

On Tue, Mar 13, 2018 at 11:51:13AM +0000, Suzuki K Poulose wrote:
> We expect all CPUs to be running at the same EL inside the kernel
> with or without VHE enabled and we have strict checks to ensure
> that any mismatch triggers a kernel panic. If VHE is enabled,
> we use the feature based on the boot CPU and all other CPUs
> should follow. This makes it a perfect candidate for a cpability

Nit: capability (not worth fixing unless you respin for some other
reason though.)

> based on the boot CPU,  which should be matched by all the CPUs
> (both when is ON and OFF). This saves us some not-so-pretty
> hooks and special code, just for verifying the conflict.
> 
> The patch also makes the VHE capability entry depend on
> CONFIG_ARM64_VHE.
> 
> Cc: Marc Zyngier <marc.zyngier@xxxxxxx>
> Cc: Dave Martin <dave.martin@xxxxxxx>
> Cc: Will Deacon <will.deacon@xxxxxxx>
> Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>

Reviewed-by: Dave Martin <Dave.Martin@xxxxxxx>

[...]

Cheers
---Dave