From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: [PATCH 12/26] KVM: PPC: First magic page steps Date: Sun, 27 Jun 2010 11:24:01 +0300 Message-ID: <4C270AA1.5030801@redhat.com> References: <1277508314-915-1-git-send-email-agraf@suse.de> <1277508314-915-13-git-send-email-agraf@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm-ppc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, KVM list , linuxppc-dev To: Alexander Graf Return-path: In-Reply-To: <1277508314-915-13-git-send-email-agraf-l3A5Bk7waGM@public.gmane.org> Sender: kvm-ppc-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: kvm.vger.kernel.org On 06/26/2010 02:25 AM, Alexander Graf wrote: > We will be introducing a method to project the shared page in guest context. > As soon as we're talking about this coupling, the shared page is colled magic > page. > > This patch introduces simple defines, so the follow-up patches are easier to > read. > > > > diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h > index e35c1ac..5f8c214 100644 > --- a/arch/powerpc/include/asm/kvm_host.h > +++ b/arch/powerpc/include/asm/kvm_host.h > @@ -285,6 +285,8 @@ struct kvm_vcpu_arch { > u64 dec_jiffies; > unsigned long pending_exceptions; > struct kvm_vcpu_arch_shared *shared; > + unsigned long magic_page_pa; /* phys addr to map the magic page to */ > + unsigned long magic_page_ea; /* effect. addr to map the magic page to */ > Is ea like a va? If so, can't the guest specify it by manipulating the hash table (or tlb)? -- error compiling committee.c: too many arguments to function