ia64: Use preempt_schedule_irq

Use the proper core function instead of fiddling with PREEMPT_ACTIVE
and enable/disable interrupts in the low level code.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
Link: http://lkml.kernel.org/r/20130917183628.857145384@linutronix.de

diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 7a53530..ddea607 100644 (file)
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1169,21 +1169,8 @@ skip_rbs_switch:
 .work_pending:
        tbit.z p6,p0=r31,TIF_NEED_RESCHED       // is resched not needed?
 (p6)   br.cond.sptk.few .notify
-#ifdef CONFIG_PREEMPT
-(pKStk) dep r21=-1,r0,PREEMPT_ACTIVE_BIT,1
-       ;;
-(pKStk) st4 [r20]=r21
-#endif
-       SSM_PSR_I(p0, p6, r2)   // enable interrupts
-       br.call.spnt.many rp=schedule
+       br.call.spnt.many rp=preempt_schedule_irq
 .ret9: cmp.eq p6,p0=r0,r0      // p6 <- 1 (re-check)
-       RSM_PSR_I(p0, r2, r20)  // disable interrupts
-       ;;
-#ifdef CONFIG_PREEMPT
-(pKStk)        adds r20=TI_PRE_COUNT+IA64_TASK_SIZE,r13
-       ;;
-(pKStk)        st4 [r20]=r0            // preempt_count() <- 0
-#endif
 (pLvSys)br.cond.sptk.few  __paravirt_pending_syscall_end
        br.cond.sptk.many .work_processed_kernel