Re: [PATCH V3] arm64: Disable EL2 traps for BRBE instructions executed in EL1

From: Marc Zyngier
Date: Tue May 16 2023 - 04:53:50 EST


On Tue, 16 May 2023 09:30:15 +0100,
Anshuman Khandual <anshuman.khandual@xxxxxxx> wrote:
>
> This disables EL2 traps for BRBE instructions executed in EL1. This would
> enable BRBE to be configured and used successfully in the guest kernel.
> While here, this updates Documentation/arm64/booting.rst as well.
>
> Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
> Cc: Will Deacon <will@xxxxxxxxxx>
> Cc: Mark Brown <broonie@xxxxxxxxxx>
> Cc: Marc Zyngier <maz@xxxxxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>

Acked-by: Marc Zyngier <maz@xxxxxxxxxx>

M.

--
Without deviation from the norm, progress is not possible.