BackPup/Linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-09-25 21:21:09 -04:00
Code Issues Packages Projects Releases Wiki Activity

ia64: Use preempt_schedule_irq

Browse Source 
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 <[email protected]>
Cc: Tony Luck <[email protected]>
Cc: Fenghua Yu <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
This commit is contained in:
Thomas Gleixner
2013-11-13 20:21:47 +01:00
parent 650e4dc2a7
commit aa0d532605
1 changed files with 1 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/ia64/kernel/entry.S
+1 -14
View File
@@ -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