> -----Original Message----- > From: Alexander Graf [mailto:agraf@xxxxxxx] > Sent: Thursday, January 31, 2013 3:31 PM > To: Caraman Mihai Claudiu-B02008 > Cc: kvm-ppc@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; linuxppc- > dev@xxxxxxxxxxxxxxxx > Subject: Re: [PATCH 4/5] KVM: PPC: e500: Emulate EPTCFG register > > > On 30.01.2013, at 14:29, Mihai Caraman wrote: > > > EPTCFG register defined by E.PT is accessed unconditionally by Linux > guests > > in the presence of MAV 2.0. Emulate EPTCFG register now. > > > > Signed-off-by: Mihai Caraman <mihai.caraman@xxxxxxxxxxxxx> > > --- > > arch/powerpc/include/asm/kvm_host.h | 1 + > > arch/powerpc/kvm/e500.h | 6 ++++++ > > arch/powerpc/kvm/e500_emulate.c | 9 +++++++++ > > arch/powerpc/kvm/e500_mmu.c | 5 +++++ > > 4 files changed, 21 insertions(+), 0 deletions(-) > > > > diff --git a/arch/powerpc/include/asm/kvm_host.h > b/arch/powerpc/include/asm/kvm_host.h > > index 88fcfe6..f480b20 100644 > > --- a/arch/powerpc/include/asm/kvm_host.h > > +++ b/arch/powerpc/include/asm/kvm_host.h > > @@ -503,6 +503,7 @@ struct kvm_vcpu_arch { > > u32 tlbcfg[4]; > > u32 tlbps[4]; > > u32 mmucfg; > > + u32 eptcfg; > > This too needs to be settable through SW_TLB. > > > u32 epr; > > struct kvmppc_booke_debug_reg dbg_reg; > > #endif > > diff --git a/arch/powerpc/kvm/e500.h b/arch/powerpc/kvm/e500.h > > index b9f76d8..983eb95 100644 > > --- a/arch/powerpc/kvm/e500.h > > +++ b/arch/powerpc/kvm/e500.h > > @@ -308,4 +308,10 @@ static inline unsigned int has_mmu_v2(const struct > kvm_vcpu *vcpu) > > return ((vcpu->arch.mmucfg & MMUCFG_MAVN) == MMUCFG_MAVN_V2); > > } > > > > +static inline unsigned int supports_page_tables(const struct kvm_vcpu > *vcpu) > > bool again. Can we generalize this a bit more? How about a small > framework that allows us to differentiate across e.XX features? I thought you will ask for it :) -Mike -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
