timers: fix itimer/many thread hang, fix

fix:

 kernel/fork.c:843: error: ‘struct signal_struct’ has no member named ‘sum_sched_runtime’
 kernel/irq/handle.c:117: warning: ‘sparse_irq_lock’ defined but not used

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 1 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index a8ac2efb8e30..1181b9aac48e 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -834,7 +834,6 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
         sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
         sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
         task_io_accounting_init(&sig->ioac);
-        sig->sum_sched_runtime = 0;
         INIT_LIST_HEAD(&sig->cpu_timers[0]);
         INIT_LIST_HEAD(&sig->cpu_timers[1]);
         INIT_LIST_HEAD(&sig->cpu_timers[2]);