s390/spinlock: optimize spinlock code sequence

Use lowcore constant to improve the code generated for spinlocks.

[ Martin Schwidefsky: patch breakdown and code beautification ]

Signed-off-by: Philipp Hachtmann <phacht@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index 4a3b33b2dbb9..3ca9de4d9cb9 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -27,7 +27,7 @@ __setup("spin_retry=", spin_retry_setup);
 void arch_spin_lock_wait(arch_spinlock_t *lp)
 {
         int count = spin_retry;
-        unsigned int cpu = ~smp_processor_id();
+        unsigned int cpu = SPINLOCK_LOCKVAL;
         unsigned int owner;
 
         while (1) {
@@ -54,7 +54,7 @@ EXPORT_SYMBOL(arch_spin_lock_wait);
 void arch_spin_lock_wait_flags(arch_spinlock_t *lp, unsigned long flags)
 {
         int count = spin_retry;
-        unsigned int cpu = ~smp_processor_id();
+        unsigned int cpu = SPINLOCK_LOCKVAL;
         unsigned int owner;
 
         local_irq_restore(flags);