From patchwork Wed Feb 29 00:09:58 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 143590 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 9DECDB6FC3 for ; Wed, 29 Feb 2012 11:11:04 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030320Ab2B2AK6 (ORCPT ); Tue, 28 Feb 2012 19:10:58 -0500 Received: from cantor2.suse.de ([195.135.220.15]:45243 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965899Ab2B2AKO (ORCPT ); Tue, 28 Feb 2012 19:10:14 -0500 Received: from relay2.suse.de (unknown [195.135.220.254]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx2.suse.de (Postfix) with ESMTP id BBA6A91C69; Wed, 29 Feb 2012 01:10:07 +0100 (CET) From: Alexander Graf To: kvm-ppc@vger.kernel.org Cc: kvm@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Scott Wood Subject: [PATCH 30/38] KVM: PPC: bookehv: add comment about shadow_msr Date: Wed, 29 Feb 2012 01:09:58 +0100 Message-Id: <1330474206-14794-31-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1330474206-14794-1-git-send-email-agraf@suse.de> References: <1330474206-14794-1-git-send-email-agraf@suse.de> Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org 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;