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authorThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
committerThomas Gleixner <tglx@linutronix.de>2011-05-14 12:06:36 +0200
commita18f22a968de17b29f2310cdb7ba69163e65ec15 (patch)
treea7d56d88fad5e444d7661484109758a2f436129e /arch/x86/xen/smp.c
parenta1c57e0fec53defe745e64417eacdbd3618c3e66 (diff)
parent798778b8653f64b7b2162ac70eca10367cff6ce8 (diff)
Merge branch 'consolidate-clksrc-i8253' of master.kernel.org:~rmk/linux-2.6-arm into timers/clocksource
Conflicts: arch/ia64/kernel/cyclone.c arch/mips/kernel/i8253.c arch/x86/kernel/i8253.c Reason: Resolve conflicts so further cleanups do not conflict further Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/xen/smp.c')
-rw-r--r--arch/x86/xen/smp.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 72a4c7959045..30612441ed99 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -509,3 +509,41 @@ void __init xen_smp_init(void)
xen_fill_possible_map();
xen_init_spinlocks();
}
+
+static void __init xen_hvm_smp_prepare_cpus(unsigned int max_cpus)
+{
+ native_smp_prepare_cpus(max_cpus);
+ WARN_ON(xen_smp_intr_init(0));
+
+ if (!xen_have_vector_callback)
+ return;
+ xen_init_lock_cpu(0);
+ xen_init_spinlocks();
+}
+
+static int __cpuinit xen_hvm_cpu_up(unsigned int cpu)
+{
+ int rc;
+ rc = native_cpu_up(cpu);
+ WARN_ON (xen_smp_intr_init(cpu));
+ return rc;
+}
+
+static void xen_hvm_cpu_die(unsigned int cpu)
+{
+ unbind_from_irqhandler(per_cpu(xen_resched_irq, cpu), NULL);
+ unbind_from_irqhandler(per_cpu(xen_callfunc_irq, cpu), NULL);
+ unbind_from_irqhandler(per_cpu(xen_debug_irq, cpu), NULL);
+ unbind_from_irqhandler(per_cpu(xen_callfuncsingle_irq, cpu), NULL);
+ native_cpu_die(cpu);
+}
+
+void __init xen_hvm_smp_init(void)
+{
+ smp_ops.smp_prepare_cpus = xen_hvm_smp_prepare_cpus;
+ smp_ops.smp_send_reschedule = xen_smp_send_reschedule;
+ smp_ops.cpu_up = xen_hvm_cpu_up;
+ smp_ops.cpu_die = xen_hvm_cpu_die;
+ smp_ops.send_call_func_ipi = xen_smp_send_call_function_ipi;
+ smp_ops.send_call_func_single_ipi = xen_smp_send_call_function_single_ipi;
+}