[tip:irq/urgent] ia64: Use preempt_schedule_irq

[tip-bot for Thomas Gleixner]

Commit-ID:  aa0d53260596c1bef23547537724d4bad78e6f52
Gitweb:     http://git.kernel.org/tip/aa0d53260596c1bef23547537724d4bad78e6f52
Author:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Tue, 17 Sep 2013 18:53:08 +0000
Committer:  Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Wed, 13 Nov 2013 20:21:47 +0100

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@xxxxxxxxxxxxx>
Cc: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: linux-ia64@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/20130917183628.857145384@xxxxxxxxxxxxx
---
 arch/ia64/kernel/entry.S | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 7a53530..ddea607f 100644
--- 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
 
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