[Xen-devel] [PATCH v4 02/12] xen/arm: allocate secondaries dom0 vcpus

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Changes in v4:
- check for alloc_vcpu errors.
---
 xen/arch/arm/domain_build.c |   12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c
index 3d76065..9b50c3c 100644
--- a/xen/arch/arm/domain_build.c
+++ b/xen/arch/arm/domain_build.c
@@ -363,7 +363,7 @@ static void dtb_load(struct kernel_info *kinfo)
 int construct_dom0(struct domain *d)
 {
     struct kernel_info kinfo = {};
-    int rc;
+    int rc, i, cpu;
 
     struct vcpu *v = d->vcpu[0];
     struct cpu_user_regs *regs = &v->arch.cpu_info->guest_cpu_user_regs;
@@ -451,6 +451,16 @@ int construct_dom0(struct domain *d)
     }
 #endif
 
+    for ( i = 1, cpu = 0; i < d->max_vcpus; i++ )
+    {
+        cpu = cpumask_cycle(cpu, &cpu_online_map);
+        if ( alloc_vcpu(d, i, cpu) == NULL )
+        {
+            printk("Failed to allocate dom0 vcpu %d on pcpu %d\n", i, cpu);
+            break;
+        }
+    }
+
     local_abort_enable();
 
     return 0;
-- 
1.7.2.5


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