On Thu, 15 Feb 2018 21:03:09 +0000,
Christoffer Dall wrote:
>
> There's a semantic difference between the EL1 registers that control
> operation of a kernel running in EL1 and EL1 registers that only control
> userspace execution in EL0. Since we can defer saving/restoring the
> latter, move them into their own function.
>
> ACTLR_EL1 is not used by a VHE host, so we can move this register into
> the EL1 state which is not saved/restored for a VHE host.
Nit: maybe worth adding a reference to the D10.2.1 comment in the
ARMv8 ARM that indicates the "recommended" behaviour of this register?
>
> We also take this chance to rename the function saving/restoring the
> remaining system register to make it clear this function deals with
> the EL1 system registers.
>
> Reviewed-by: Andrew Jones <drjo...@redhat.com>
> Signed-off-by: Christoffer Dall <christoffer.d...@linaro.org>
Reviewed-by: Marc Zyngier <marc.zyng...@arm.com>
M.
--
Jazz is not dead, it just smell funny.
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