Re: [PATCH v5 2/8] KVM: arm64: Add missing field descriptor for MDCR_EL2

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Hi Andrew,

On Wed, Sep 8, 2021 at 1:38 PM Andrew Jones <drjones@xxxxxxxxxx> wrote:
>
> On Fri, Aug 27, 2021 at 11:16:03AM +0100, Fuad Tabba wrote:
> > It's not currently used. Added for completeness.
> >
> > No functional change intended.
> >
> > Suggested-by: Marc Zyngier <maz@xxxxxxxxxx>
> > Signed-off-by: Fuad Tabba <tabba@xxxxxxxxxx>
> > ---
> >  arch/arm64/include/asm/kvm_arm.h | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
> > index 327120c0089f..a39fcf318c77 100644
> > --- a/arch/arm64/include/asm/kvm_arm.h
> > +++ b/arch/arm64/include/asm/kvm_arm.h
> > @@ -295,6 +295,7 @@
> >  #define MDCR_EL2_HPMFZO              (UL(1) << 29)
> >  #define MDCR_EL2_MTPME               (UL(1) << 28)
> >  #define MDCR_EL2_TDCC                (UL(1) << 27)
> > +#define MDCR_EL2_HLP         (UL(1) << 26)
> >  #define MDCR_EL2_HCCD                (UL(1) << 23)
> >  #define MDCR_EL2_TTRF                (UL(1) << 19)
> >  #define MDCR_EL2_HPMD                (UL(1) << 17)
> > --
> > 2.33.0.259.gc128427fd7-goog
> >
>
> If we're proactively adding bits per the most recent spec, then I guess we
> could also add HPMFZS (bit 36). Otherwise,

Seems someone has beaten me to it. HPMFZS is in 5.15-rc2 at least
(which I'm going to be rebasing on/respinning).

Thanks,
/fuad

>
> Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
>
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