Re: [PATCH v5 05/21] arm64: Initialise as nVHE before switching to VHE

[Catalin Marinas]

On Mon, Jan 25, 2021 at 10:50:03AM +0000, Marc Zyngier wrote:
> As we are aiming to be able to control whether we enable VHE or
> not, let's always drop down to EL1 first, and only then upgrade
> to VHE if at all possible.
> 
> This means that if the kernel is booted at EL2, we always start
> with a nVHE init, drop to EL1 to initialise the the kernel, and
> only then upgrade the kernel EL to EL2 if possible (the process
> is obviously shortened for secondary CPUs).
> 
> The resume path is handled similarly to a secondary CPU boot.
> 
> Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
> Acked-by: David Brazdil <dbrazdil@xxxxxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>