From patchwork Wed Feb 29 00:09:58 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [30/38] KVM: PPC: bookehv: add comment about shadow_msr From: Alexander Graf X-Patchwork-Id: 143590 Message-Id: <1330474206-14794-31-git-send-email-agraf@suse.de> To: kvm-ppc@vger.kernel.org Cc: kvm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Scott Wood Date: Wed, 29 Feb 2012 01:09:58 +0100 For BookE HV the guest visible MSR is shared->msr and is identical to the MSR that is in use while the guest is running, because we can't trap reads from/to MSR. So shadow_msr is unused there. Indicate that with a comment. Signed-off-by: Alexander Graf --- arch/powerpc/include/asm/kvm_host.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index ed95f53..633d68f 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -386,6 +386,7 @@ struct kvm_vcpu_arch { #endif u32 vrsave; /* also USPRG0 */ u32 mmucr; + /* shadow_msr is unused for BookE HV */ ulong shadow_msr; ulong csrr0; ulong csrr1;