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Subject[tip:x86/spinlocks] xen: Defer spinlock setup until boot CPU setup
Commit-ID:  26dca1a3262c451846537d8c1f3f56290718b7d4
Gitweb: http://git.kernel.org/tip/26dca1a3262c451846537d8c1f3f56290718b7d4
Author: Jeremy Fitzhardinge <jeremy@goop.org>
AuthorDate: Tue, 6 Aug 2013 17:11:45 +0530
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Thu, 8 Aug 2013 16:06:34 -0700

xen: Defer spinlock setup until boot CPU setup

There's no need to do it at very early init, and doing it there
makes it impossible to use the jump_label machinery.

Signed-off-by: Jeremy Fitzhardinge <jeremy@goop.org>
Link: http://lkml.kernel.org/r/20130806114145.20643.7527.sendpatchset@codeblue.in.ibm.com
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/xen/smp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index ca92754..3b52d80 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -279,6 +279,7 @@ static void __init xen_smp_prepare_boot_cpu(void)

xen_filter_cpu_maps();
xen_setup_vcpu_info_placement();
+ xen_init_spinlocks();
}

static void __init xen_smp_prepare_cpus(unsigned int max_cpus)
@@ -680,7 +681,6 @@ void __init xen_smp_init(void)
{
smp_ops = xen_smp_ops;
xen_fill_possible_map();
- xen_init_spinlocks();
}

static void __init xen_hvm_smp_prepare_cpus(unsigned int max_cpus)

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