diff options
| author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-11-21 08:46:29 +0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-12-03 11:14:51 -0800 |
| commit | 3905bb2aa7bb801b31946b37a4635ebac4009051 (patch) | |
| tree | 3d952a665cdaeeee0fecede06a61060bb00b7ade | |
| parent | be012920ecba161ad20303a3f6d9e96c58cf97c7 (diff) | |
xen: restore runstate_info even if !have_vcpu_info_placement
Even if have_vcpu_info_placement is not set, we still need to set up
the runstate area on each resumed vcpu.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Cc: Stable Kernel <stable@kernel.org>
| -rw-r--r-- | arch/x86/xen/enlighten.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index cb61f77e449..a7b49f99a13 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -138,26 +138,23 @@ static void xen_vcpu_setup(int cpu) */ void xen_vcpu_restore(void) { - if (have_vcpu_info_placement) { - int cpu; + int cpu; - for_each_online_cpu(cpu) { - bool other_cpu = (cpu != smp_processor_id()); + for_each_online_cpu(cpu) { + bool other_cpu = (cpu != smp_processor_id()); - if (other_cpu && - HYPERVISOR_vcpu_op(VCPUOP_down, cpu, NULL)) - BUG(); + if (other_cpu && + HYPERVISOR_vcpu_op(VCPUOP_down, cpu, NULL)) + BUG(); - xen_setup_runstate_info(cpu); + xen_setup_runstate_info(cpu); + if (have_vcpu_info_placement) xen_vcpu_setup(cpu); - if (other_cpu && - HYPERVISOR_vcpu_op(VCPUOP_up, cpu, NULL)) - BUG(); - } - - BUG_ON(!have_vcpu_info_placement); + if (other_cpu && + HYPERVISOR_vcpu_op(VCPUOP_up, cpu, NULL)) + BUG(); } } |