[PATCH v2 06/11] KVM: arm64: Rework SVE host-save/guest-restore

[Will Deacon]

On Thu, Mar 18, 2021 at 12:25:27PM +0000, Marc Zyngier wrote:
> In order to keep the code readable, move the host-save/guest-restore
> sequences in their own functions, with the following changes:
> - the hypervisor ZCR is now set from C code
> - ZCR_EL2 is always used as the EL2 accessor
> 
> This results in some minor assembler macro rework.
> No functional change intended.
> 
> Acked-by: Will Deacon <will at kernel.org>
> Signed-off-by: Marc Zyngier <maz at kernel.org>
> ---
>  arch/arm64/include/asm/fpsimdmacros.h   |  8 +++--
>  arch/arm64/include/asm/kvm_hyp.h        |  2 +-
>  arch/arm64/kvm/hyp/fpsimd.S             |  2 +-
>  arch/arm64/kvm/hyp/include/hyp/switch.h | 40 +++++++++++++++----------
>  4 files changed, 32 insertions(+), 20 deletions(-)

Acked-by: Will Deacon <will at kernel.org>

Will