[patch 10/16] parisc: Replace old style lock init

Thomas Gleixner
2009-11-06T22:42:15Z

[-- Attachment #1: parisc-replace-old-style-lock-init.patch --]
[-- Type: text/plain, Size: 1266 bytes --]

SPIN_LOCK_UNLOCKED is deprecated. Init the per cpu locks at runtime
instead.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Cc: linux-parisc@vger.kernel.org
---
arch/parisc/kernel/smp.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

Index: linux-2.6/arch/parisc/kernel/smp.c
===================================================================
--- linux-2.6.orig/arch/parisc/kernel/smp.c
+++ linux-2.6/arch/parisc/kernel/smp.c
@@ -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 __cp

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;