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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-04-08 20:56:35 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-04-16 16:05:17 -0400 |
| commit | b12abaa192c4340de50ddd86853b3583c255c449 (patch) | |
| tree | 511767a298dd3ad049f8c1317008d1853ff38481 | |
| parent | 27d8b207f0dbc19b35e504f5e631f00461dba7f9 (diff) | |
| download | linux-b12abaa192c4340de50ddd86853b3583c255c449.tar.bz2 | |
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.c | 14 |
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); } |