From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH] xen: arm: Do not expose PMU to domain 0 Date: Fri, 5 Jun 2015 11:25:50 +0100 Message-ID: <1433499950.7108.200.camel@citrix.com> References: <1433436583-19676-1-git-send-email-ian.campbell@citrix.com> <55717738.60005@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <55717738.60005@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Julien Grall Cc: stefano.stabellini@eu.citrix.com, tim@xen.org, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On Fri, 2015-06-05 at 11:17 +0100, Julien Grall wrote: > Hi Ian, > > On 04/06/2015 17:49, Ian Campbell wrote: > > It uses a PPI which we cannot route to a guest, and will surely need > > more support than just that anyway. > > > > I noticed this on Mustang with UEFI where the built in DTB contains a > > node of this type. > > > > Signed-off-by: Ian Campbell > > --- > > xen/arch/arm/domain_build.c | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c > > index 1e545fe..8e87315 100644 > > --- a/xen/arch/arm/domain_build.c > > +++ b/xen/arch/arm/domain_build.c > > @@ -1105,6 +1105,7 @@ static int handle_node(struct domain *d, struct kernel_info *kinfo, > > DT_MATCH_COMPATIBLE("multiboot,module"), > > DT_MATCH_COMPATIBLE("arm,psci"), > > DT_MATCH_COMPATIBLE("arm,psci-0.2"), > > + DT_MATCH_COMPATIBLE("arm,armv8-pmuv3"), > > Will you are here, can you blacklist at list "arm,cortex-a15-pmu" and > "arm,cortex-a7-pmu"? > > I suspect we would have the same problem with them. Suspect, or know? Ian.