s390/rwlock: remove interrupt-enabling rwlock variant.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 0 insertions, 50 deletions

diff --git a/arch/s390/lib/spinlock.c b/arch/s390/lib/spinlock.c
index 5f63ac5783cb..c717f4a4c63e 100644
--- a/arch/s390/lib/spinlock.c
+++ b/arch/s390/lib/spinlock.c
@@ -131,31 +131,6 @@ void _raw_read_lock_wait(arch_rwlock_t *rw)
 }
 EXPORT_SYMBOL(_raw_read_lock_wait);
 
-void _raw_read_lock_wait_flags(arch_rwlock_t *rw, unsigned long flags)
-{
-        unsigned int owner, old;
-        int count = spin_retry;
-
-        local_irq_restore(flags);
-        owner = 0;
-        while (1) {
-                if (count-- <= 0) {
-                        if (owner && !smp_vcpu_scheduled(~owner))
-                                smp_yield_cpu(~owner);
-                        count = spin_retry;
-                }
-                old = ACCESS_ONCE(rw->lock);
-                owner = ACCESS_ONCE(rw->owner);
-                if ((int) old < 0)
-                        continue;
-                local_irq_disable();
-                if (_raw_compare_and_swap(&rw->lock, old, old + 1))
-                        return;
-                local_irq_restore(flags);
-        }
-}
-EXPORT_SYMBOL(_raw_read_lock_wait_flags);
-
 int _raw_read_trylock_retry(arch_rwlock_t *rw)
 {
         unsigned int old;
@@ -194,31 +169,6 @@ void _raw_write_lock_wait(arch_rwlock_t *rw)
 }
 EXPORT_SYMBOL(_raw_write_lock_wait);
 
-void _raw_write_lock_wait_flags(arch_rwlock_t *rw, unsigned long flags)
-{
-        unsigned int owner, old;
-        int count = spin_retry;
-
-        local_irq_restore(flags);
-        owner = 0;
-        while (1) {
-                if (count-- <= 0) {
-                        if (owner && !smp_vcpu_scheduled(~owner))
-                                smp_yield_cpu(~owner);
-                        count = spin_retry;
-                }
-                old = ACCESS_ONCE(rw->lock);
-                owner = ACCESS_ONCE(rw->owner);
-                if (old)
-                        continue;
-                local_irq_disable();
-                if (_raw_compare_and_swap(&rw->lock, 0, 0x80000000))
-                        return;
-                local_irq_restore(flags);
-        }
-}
-EXPORT_SYMBOL(_raw_write_lock_wait_flags);
-
 int _raw_write_trylock_retry(arch_rwlock_t *rw)
 {
         unsigned int old;