parisc: Replace old style lock init in smp.c
authorThomas Gleixner <tglx@linutronix.de>
Fri, 6 Nov 2009 22:41:51 +0000 (22:41 +0000)
committerKyle McMartin <kyle@mcmartin.ca>
Wed, 16 Dec 2009 03:48:55 +0000 (03:48 +0000)
SPIN_LOCK_UNLOCKED is deprecated. Init the per cpu locks at runtime
instead.

(Also kills the unused smp_lock --kyle)

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
arch/parisc/kernel/smp.c

index 1fd0f0c..3f2fce8 100644 (file)
@@ -60,8 +60,6 @@ static int smp_debug_lvl = 0;
 #define smp_debug(lvl, ...)    do { } while(0)
 #endif /* DEBUG_SMP */
 
-DEFINE_SPINLOCK(smp_lock);
-
 volatile struct task_struct *smp_init_current_idle_task;
 
 /* track which CPU is booting */
@@ -69,7 +67,7 @@ static volatile int cpu_now_booting __cpuinitdata;
 
 static int parisc_max_cpus __cpuinitdata = 1;
 
-DEFINE_PER_CPU(spinlock_t, ipi_lock) = SPIN_LOCK_UNLOCKED;
+static DEFINE_PER_CPU(spinlock_t, ipi_lock);
 
 enum ipi_message_type {
        IPI_NOP=0,
@@ -438,6 +436,11 @@ void __init smp_prepare_boot_cpu(void)
 */
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
+       int cpu;
+
+       for_each_possible_cpu(cpu)
+               spin_lock_init(&per_cpu(ipi_lock, cpu));
+
        init_cpu_present(cpumask_of(0));
 
        parisc_max_cpus = max_cpus;