From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH] xen: arm: Do not expose PMU to domain 0 Date: Fri, 5 Jun 2015 11:17:28 +0100 Message-ID: <55717738.60005@citrix.com> References: <1433436583-19676-1-git-send-email-ian.campbell@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1433436583-19676-1-git-send-email-ian.campbell@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: Ian Campbell , xen-devel@lists.xen.org Cc: julien.grall@citrix.com, tim@xen.org, stefano.stabellini@eu.citrix.com List-Id: xen-devel@lists.xenproject.org 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. Regards, -- Julien Grall