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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
commit12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch)
treef91479a62805619168994fd3ee55e3ffa23fc24e /arch/s390/kernel/process.c
parent9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff)
parentf722406faae2d073cc1d01063d1123c35425939e (diff)
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1 * tag 'v3.10-rc1': (12273 commits) Linux 3.10-rc1 [SCSI] qla2xxx: Update firmware link in Kconfig file. [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type [SCSI] pm80xx: thermal, sas controller config and error handling update [SCSI] pm80xx: NCQ error handling changes [SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers [SCSI] pm80xx: Changed module name and debug messages update [SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it [SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files [SCSI] pm80xx: MSI-X implementation for using 64 interrupts [SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve [SCSI] pm80xx: Multiple inbound/outbound queue configuration [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC [SCSI] lpfc: fix up Kconfig dependencies [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd dm cache: set config value dm cache: move config fns dm thin: generate event when metadata threshold passed ...
Diffstat (limited to 'arch/s390/kernel/process.c')
-rw-r--r--arch/s390/kernel/process.c32
1 files changed, 9 insertions, 23 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c
index 536d64579d9..2bc3eddae34 100644
--- a/arch/s390/kernel/process.c
+++ b/arch/s390/kernel/process.c
@@ -61,18 +61,8 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
return sf->gprs[8];
}
-/*
- * The idle loop on a S390...
- */
-static void default_idle(void)
+void arch_cpu_idle(void)
{
- if (cpu_is_offline(smp_processor_id()))
- cpu_die();
- local_irq_disable();
- if (need_resched()) {
- local_irq_enable();
- return;
- }
local_mcck_disable();
if (test_thread_flag(TIF_MCCK_PENDING)) {
local_mcck_enable();
@@ -83,19 +73,15 @@ static void default_idle(void)
vtime_stop_cpu();
}
-void cpu_idle(void)
+void arch_cpu_idle_exit(void)
{
- for (;;) {
- tick_nohz_idle_enter();
- rcu_idle_enter();
- while (!need_resched() && !test_thread_flag(TIF_MCCK_PENDING))
- default_idle();
- rcu_idle_exit();
- tick_nohz_idle_exit();
- if (test_thread_flag(TIF_MCCK_PENDING))
- s390_handle_mcck();
- schedule_preempt_disabled();
- }
+ if (test_thread_flag(TIF_MCCK_PENDING))
+ s390_handle_mcck();
+}
+
+void arch_cpu_idle_dead(void)
+{
+ cpu_die();
}
extern void __kprobes kernel_thread_starter(void);