[Xen-devel] [PATCH V12 4/14] xen: Defer spinlock setup until boot CPU setup

[Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>]

xen: Defer spinlock setup until boot CPU setup

From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>

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@xxxxxxxx>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Signed-off-by: Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 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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