softirq: Eliminate unused cond_resched_softirq() macro

The cond_resched_softirq() macro is not used anywhere in mainline, so
this commit simplifies the kernel by eliminating it.

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Tested-by: Nicholas Piggin <npiggin@gmail.com>

1 files changed, 0 insertions, 14 deletions

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 5e10aaeebfcc..6a09e6af64b9 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5012,20 +5012,6 @@ int __cond_resched_lock(spinlock_t *lock)
 }
 EXPORT_SYMBOL(__cond_resched_lock);
 
-int __sched __cond_resched_softirq(void)
-{
-        BUG_ON(!in_softirq());
-
-        if (should_resched(SOFTIRQ_DISABLE_OFFSET)) {
-                local_bh_enable();
-                preempt_schedule_common();
-                local_bh_disable();
-                return 1;
-        }
-        return 0;
-}
-EXPORT_SYMBOL(__cond_resched_softirq);
-
 /**
  * yield - yield the current processor to other threads.
  *