From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: [PATCH 13/21] arm: don't bother setting up vtimer, vgic etc on idle CPUs Date: Fri, 5 Oct 2012 10:38:19 +0000 Message-ID: <1349433507-21148-13-git-send-email-ian.campbell@citrix.com> References: <1349433418.20946.46.camel@zakaz.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1349433418.20946.46.camel@zakaz.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: tim@xen.org, Ian Campbell , stefano.stabelini@citrix.com List-Id: xen-devel@lists.xenproject.org Signed-off-by: Ian Campbell Acked-by: Tim Deegan --- 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