| Message ID | 20210827101609.2808181-3-tabba@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: arm64: Fixed features for protected VMs | expand |
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@kernel.org> > Signed-off-by: Fuad Tabba <tabba@google.com> > --- > 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, Reviewed-by: Andrew Jones <drjones@redhat.com>
Hi Andrew, On Wed, Sep 8, 2021 at 1:38 PM Andrew Jones <drjones@redhat.com> 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@kernel.org> > > Signed-off-by: Fuad Tabba <tabba@google.com> > > --- > > 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@redhat.com> >
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)
It's not currently used. Added for completeness. No functional change intended. Suggested-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Fuad Tabba <tabba@google.com> --- arch/arm64/include/asm/kvm_arm.h | 1 + 1 file changed, 1 insertion(+)