[Xen-devel] [PATCH 2/4] arm: don't bother setting up vtimer, vgic etc on idle CPUs

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 xen/arch/arm/domain.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c
index ee58d68..f47db4f 100644
--- a/xen/arch/arm/domain.c
+++ b/xen/arch/arm/domain.c
@@ -386,6 +386,10 @@ int vcpu_initialise(struct vcpu *v)
     v->arch.saved_context.sp = (uint32_t)v->arch.cpu_info;
     v->arch.saved_context.pc = (uint32_t)continue_new_vcpu;
 
+    /* Idle VCPUs don't need the rest of this setup */
+    if ( is_idle_vcpu(v) )
+        return rc;
+
     if ( (rc = vcpu_vgic_init(v)) != 0 )
         return rc;
 
-- 
1.7.9.1


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