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Re: [Xen-devel] [PATCH v12 for-xen-4.5 15/20] x86/VPMU: Add support for PMU register handling on PV guests
- To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
- From: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
- Date: Fri, 26 Sep 2014 12:44:04 -0400
- Cc: kevin.tian@xxxxxxxxx, keir@xxxxxxx, jbeulich@xxxxxxxx, jun.nakajima@xxxxxxxxx, andrew.cooper3@xxxxxxxxxx, tim@xxxxxxx, dietmar.hahn@xxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxx, Aravind.Gopalakrishnan@xxxxxxx, suravee.suthikulpanit@xxxxxxx, dgdegra@xxxxxxxxxxxxx
- Delivery-date: Fri, 26 Sep 2014 16:43:24 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
On 09/26/2014 12:34 PM, Konrad Rzeszutek Wilk wrote:
diff --git a/xen/include/public/pmu.h b/xen/include/public/pmu.h
index b8c5682..68a5fb8 100644
--- a/xen/include/public/pmu.h
+++ b/xen/include/public/pmu.h
@@ -27,6 +27,7 @@
#define XENPMU_feature_set 3
#define XENPMU_init 4
#define XENPMU_finish 5
+#define XENPMU_lvtpc_set 6
You also need this:
Right, this slipped into the next patch (#16).
-boris
diff --git a/xen/include/xsm/dummy.h b/xen/include/xsm/dummy.h
index 29dae2e..d98256c 100644
--- a/xen/include/xsm/dummy.h
+++ b/xen/include/xsm/dummy.h
@@ -664,7 +664,8 @@ static XSM_INLINE int xsm_pmu_op (XSM_DEFAULT_ARG struct
domain *d, int op)
case XENPMU_feature_get:
return xsm_default_action(XSM_PRIV, d, current->domain);
case XENPMU_init:
- case XENPMU_finish:
+ case XENPMU_finish:
+ case XENPMU_lvtpc_set:
return xsm_default_action(XSM_HOOK, d, current->domain);
default:
return -EPERM;
diff --git a/xen/xsm/flask/hooks.c b/xen/xsm/flask/hooks.c
index 8bd4a3d..d89a857 100644
--- a/xen/xsm/flask/hooks.c
+++ b/xen/xsm/flask/hooks.c
@@ -1500,6 +1500,7 @@ static int flask_pmu_op (struct domain *d, int op)
XEN2__PMU_CTRL, NULL);
case XENPMU_init:
case XENPMU_finish:
+ case XENPMU_lvtpc_set:
return avc_has_perm(dsid, SECINITSID_XEN, SECCLASS_XEN2,
XEN2__PMU_USE, NULL);
default:
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