From: Ian Campbell <ian.campbell@citrix.com>
To: xen-devel@lists.xen.org
Cc: stefano.stabellini@citrix.com, tim@xen.org,
Ian Campbell <ian.campbell@citrix.com>
Subject: [PATCH 2/4] arm: don't bother setting up vtimer, vgic etc on idle CPUs
Date: Mon, 6 Aug 2012 11:34:58 +0000 [thread overview]
Message-ID: <1344252900-26148-2-git-send-email-ian.campbell@citrix.com> (raw)
In-Reply-To: <1344252872.11339.27.camel@zakaz.uk.xensource.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
---
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
next prev parent reply other threads:[~2012-08-06 11:34 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-06 11:34 [PATCH 0/4] arm: SMP interrupt handling fixes Ian Campbell
2012-08-06 11:34 ` [PATCH 1/4] arm: disable distributor delivery on boot CPU only Ian Campbell
2012-08-06 11:55 ` Tim Deegan
2012-08-06 11:56 ` Ian Campbell
2012-08-06 13:45 ` Ian Campbell
2012-08-07 9:42 ` Tim Deegan
2012-08-09 9:10 ` Ian Campbell
2012-08-09 11:26 ` Tim Deegan
2012-08-09 11:37 ` Ian Campbell
2012-08-06 11:34 ` Ian Campbell [this message]
2012-08-06 11:34 ` [PATCH 3/4] arm/vtimer: convert result to ticks when reading CNTPCT register Ian Campbell
2012-08-06 13:46 ` Ian Campbell
2012-08-06 11:35 ` [PATCH 4/4] arm: Use per-CPU irq_desc for PPIs and SGIs Ian Campbell
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