[PATCH v4 08/40] KVM: arm/arm64: Introduce vcpu_el1_is_32bit

[Andrew Jones]

On Thu, Feb 15, 2018 at 10:03:00PM +0100, Christoffer Dall wrote:
> We have numerous checks around that checks if the HCR_EL2 has the RW bit
> set to figure out if we're running an AArch64 or AArch32 VM.  In some
> cases, directly checking the RW bit (given its unintuitive name), is a
> bit confusing, and that's not going to improve as we move logic around
> for the following patches that optimize KVM on AArch64 hosts with VHE.
> 
> Therefore, introduce a helper, vcpu_el1_is_32bit, and replace existing
> direct checks of HCR_EL2.RW with the helper.
> 
> Reviewed-by: Julien Grall <julien.grall at arm.com>
> Reviewed-by: Julien Thierry <julien.thierry at arm.com>
> Signed-off-by: Christoffer Dall <christoffer.dall at linaro.org>
> ---
> 
> Notes:
>     Changes since v2:
>      - New patch
>     
>     Changes since v1:
>      - Reworded comments as suggested by Drew
> 
>  arch/arm64/include/asm/kvm_emulate.h |  7 ++++++-
>  arch/arm64/kvm/hyp/switch.c          | 11 +++++------
>  arch/arm64/kvm/hyp/sysreg-sr.c       |  5 +++--
>  arch/arm64/kvm/inject_fault.c        |  6 +++---
>  4 files changed, 17 insertions(+), 12 deletions(-)
>

Reviewed-by: Andrew Jones <drjones at redhat.com>