From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v2] xen: arm: Do not expose PMU to domain 0 Date: Wed, 17 Jun 2015 13:45:02 +0100 Message-ID: <55816BCE.2060808@citrix.com> References: <1434544620-20299-1-git-send-email-ian.campbell@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1434544620-20299-1-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: tim@xen.org, stefano.stabellini@eu.citrix.com List-Id: xen-devel@lists.xenproject.org Hi Ian, On 17/06/15 13:37, 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. > > According to linux/Documentation/devicetree/bindings/arm/pmu.txt the > ARM v7 (Cortex-A{7,15}) PMUs require a PPI too, so blacklist them as > well. > > Signed-off-by: Ian Campbell Reviewed-by: Julien Grall Regards, -- Julien Grall