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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-04-08 20:56:35 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-04-16 16:05:17 -0400
commitb12abaa192c4340de50ddd86853b3583c255c449 (patch)
tree511767a298dd3ad049f8c1317008d1853ff38481
parent27d8b207f0dbc19b35e504f5e631f00461dba7f9 (diff)
xen/smp: Unifiy some of the PVs and PVHVM offline CPU path
The "xen_cpu_die" and "xen_hvm_cpu_die" are very similar. Lets coalesce them. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
-rw-r--r--arch/x86/xen/smp.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 415694cc8584..0d466d7c7175 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -428,7 +428,7 @@ static int xen_cpu_disable(void)
static void xen_cpu_die(unsigned int cpu)
{
- while (HYPERVISOR_vcpu_op(VCPUOP_is_up, cpu, NULL)) {
+ while (xen_pv_domain() && HYPERVISOR_vcpu_op(VCPUOP_is_up, cpu, NULL)) {
current->state = TASK_UNINTERRUPTIBLE;
schedule_timeout(HZ/10);
}
@@ -436,7 +436,8 @@ static void xen_cpu_die(unsigned int cpu)
unbind_from_irqhandler(per_cpu(xen_callfunc_irq, cpu), NULL);
unbind_from_irqhandler(per_cpu(xen_debug_irq, cpu), NULL);
unbind_from_irqhandler(per_cpu(xen_callfuncsingle_irq, cpu), NULL);
- unbind_from_irqhandler(per_cpu(xen_irq_work, cpu), NULL);
+ if (!xen_hvm_domain())
+ unbind_from_irqhandler(per_cpu(xen_irq_work, cpu), NULL);
xen_uninit_lock_cpu(cpu);
xen_teardown_timer(cpu);
}
@@ -667,14 +668,7 @@ static int __cpuinit xen_hvm_cpu_up(unsigned int cpu, struct task_struct *tidle)
static void xen_hvm_cpu_die(unsigned int cpu)
{
- unbind_from_irqhandler(per_cpu(xen_resched_irq, cpu), NULL);
- unbind_from_irqhandler(per_cpu(xen_callfunc_irq, cpu), NULL);
- unbind_from_irqhandler(per_cpu(xen_debug_irq, cpu), NULL);
- unbind_from_irqhandler(per_cpu(xen_callfuncsingle_irq, cpu), NULL);
- if (!xen_hvm_domain())
- unbind_from_irqhandler(per_cpu(xen_irq_work, cpu), NULL);
- xen_uninit_lock_cpu(cpu);
- xen_teardown_timer(cpu);
+ xen_cpu_die(cpu);
native_cpu_die(cpu);
}