diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2013-09-17 14:53:08 -0400 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2013-11-13 14:21:47 -0500 |
commit | aa0d53260596c1bef23547537724d4bad78e6f52 (patch) | |
tree | 2260fee3ae39c8e0cc0a88638b1ac99f7fc69bef /arch/ia64/kernel | |
parent | 650e4dc2a75959fdca1eecc0147bbb21dbfadf0f (diff) |
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
Diffstat (limited to 'arch/ia64/kernel')
-rw-r--r-- | arch/ia64/kernel/entry.S | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S index 7a53530f22c2..ddea607f948a 100644 --- a/arch/ia64/kernel/entry.S +++ b/arch/ia64/kernel/entry.S | |||
@@ -1169,21 +1169,8 @@ skip_rbs_switch: | |||
1169 | .work_pending: | 1169 | .work_pending: |
1170 | tbit.z p6,p0=r31,TIF_NEED_RESCHED // is resched not needed? | 1170 | tbit.z p6,p0=r31,TIF_NEED_RESCHED // is resched not needed? |
1171 | (p6) br.cond.sptk.few .notify | 1171 | (p6) br.cond.sptk.few .notify |
1172 | #ifdef CONFIG_PREEMPT | 1172 | br.call.spnt.many rp=preempt_schedule_irq |
1173 | (pKStk) dep r21=-1,r0,PREEMPT_ACTIVE_BIT,1 | ||
1174 | ;; | ||
1175 | (pKStk) st4 [r20]=r21 | ||
1176 | #endif | ||
1177 | SSM_PSR_I(p0, p6, r2) // enable interrupts | ||
1178 | br.call.spnt.many rp=schedule | ||
1179 | .ret9: cmp.eq p6,p0=r0,r0 // p6 <- 1 (re-check) | 1173 | .ret9: cmp.eq p6,p0=r0,r0 // p6 <- 1 (re-check) |
1180 | RSM_PSR_I(p0, r2, r20) // disable interrupts | ||
1181 | ;; | ||
1182 | #ifdef CONFIG_PREEMPT | ||
1183 | (pKStk) adds r20=TI_PRE_COUNT+IA64_TASK_SIZE,r13 | ||
1184 | ;; | ||
1185 | (pKStk) st4 [r20]=r0 // preempt_count() <- 0 | ||
1186 | #endif | ||
1187 | (pLvSys)br.cond.sptk.few __paravirt_pending_syscall_end | 1174 | (pLvSys)br.cond.sptk.few __paravirt_pending_syscall_end |
1188 | br.cond.sptk.many .work_processed_kernel | 1175 | br.cond.sptk.many .work_processed_kernel |
1189 | 1176 | ||