[RFC,V9,4/19] xen: Defer spinlock setup until boot CPU setup

Commit Message

Raghavendra K T June 1, 2013, 7:22 p.m. UTC

xen: Defer spinlock setup until boot CPU setup

From: Jeremy Fitzhardinge <[e-mail]>

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 <[e-mail]>
Reviewed-by: Konrad Rzeszutek Wilk <[e-mail]>
Signed-off-by: Raghavendra K T <[e-mail]>
---
 arch/x86/xen/smp.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)


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Patch

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 8ff3799..dcdc91c 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -246,6 +246,7 @@  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)
@@ -647,7 +648,6 @@  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)