linux-kernel - [PATCH 3/3] xen/arm: account for stolen ticks

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Date:	Wed, 1 May 2013 20:27:40 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	<xen-devel@...ts.xensource.com>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <konrad.wilk@...cle.com>,
	<marc.zyngier@....com>, <will.deacon@....com>,
	<Stefano.Stabellini@...citrix.com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>
Subject: [PATCH 3/3] xen/arm: account for stolen ticks

Register the runstate_memory_area with the hypervisor.
Use arch_timer_stolen_ticks and xen_stolen_accounting to account for
stolen ticks.

Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
---
 arch/arm/xen/enlighten.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index d30042e..8f040a0 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -14,6 +14,7 @@
 #include <xen/xen-ops.h>
 #include <asm/xen/hypervisor.h>
 #include <asm/xen/hypercall.h>
+#include <asm/arch_timer.h>
 #include <asm/system_misc.h>
 #include <linux/interrupt.h>
 #include <linux/irqreturn.h>
@@ -172,6 +173,8 @@ static int __init xen_secondary_init(unsigned int cpu)
 		   later ones fail to. */
 		per_cpu(xen_vcpu, cpu) = vcpup;
 	}
+
+	xen_setup_runstate_info(cpu);
 	return 0;
 }
 
@@ -272,6 +275,7 @@ static int __init xen_guest_init(void)
 	if (!xen_initial_domain())
 		xenbus_probe(NULL);
 
+	arch_timer_stolen_ticks = xen_stolen_accounting;
 	pm_power_off = xen_power_off;
 	arm_pm_restart = xen_restart;
 
-- 
1.7.2.5

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