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| author | Zhenzhong Duan <zhenzhong.duan@oracle.com> | 2011-10-27 22:28:59 -0700 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-11-16 12:13:44 -0500 |
| commit | 90d4f5534d14815bd94c10e8ceccc57287657ecc (patch) | |
| tree | 7c6c795253a64e61fc8d45ccb28bdd65b4e5e7ab | |
| parent | 72e9cf2ab12ef3e050577ffebdb0c88a28df821d (diff) | |
| download | olio-linux-3.10-90d4f5534d14815bd94c10e8ceccc57287657ecc.tar.xz olio-linux-3.10-90d4f5534d14815bd94c10e8ceccc57287657ecc.zip | |
xen:pvhvm: enable PVHVM VCPU placement when using more than 32 CPUs.
PVHVM running with more than 32 vcpus and pv_irq/pv_time enabled
need VCPU placement to work, or else it will softlockup.
CC: stable@kernel.org
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| -rw-r--r-- | arch/x86/xen/enlighten.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index da8afd576a6..1f928659c33 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -1356,7 +1356,7 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self, int cpu = (long)hcpu; switch (action) { case CPU_UP_PREPARE: - per_cpu(xen_vcpu, cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu]; + xen_vcpu_setup(cpu); if (xen_have_vector_callback) xen_init_lock_cpu(cpu); break; @@ -1386,7 +1386,6 @@ static void __init xen_hvm_guest_init(void) xen_hvm_smp_init(); register_cpu_notifier(&xen_hvm_cpu_notifier); xen_unplug_emulated_devices(); - have_vcpu_info_placement = 0; x86_init.irqs.intr_init = xen_init_IRQ; xen_hvm_init_time_ops(); xen_hvm_init_mmu_ops(); |