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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/microblaze/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/microblaze/kernel/process.c')
-rw-r--r--arch/microblaze/kernel/process.c72
1 files changed, 7 insertions, 65 deletions
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index fa0ea609137..7d1a9c8b1f3 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -20,6 +20,8 @@
void show_regs(struct pt_regs *regs)
{
+ show_regs_print_info(KERN_INFO);
+
pr_info(" Registers dump: mode=%X\r\n", regs->pt_mode);
pr_info(" r1=%08lX, r2=%08lX, r3=%08lX, r4=%08lX\n",
regs->r1, regs->r2, regs->r3, regs->r4);
@@ -44,71 +46,6 @@ void show_regs(struct pt_regs *regs)
void (*pm_power_off)(void) = NULL;
EXPORT_SYMBOL(pm_power_off);
-static int hlt_counter = 1;
-
-void disable_hlt(void)
-{
- hlt_counter++;
-}
-EXPORT_SYMBOL(disable_hlt);
-
-void enable_hlt(void)
-{
- hlt_counter--;
-}
-EXPORT_SYMBOL(enable_hlt);
-
-static int __init nohlt_setup(char *__unused)
-{
- hlt_counter = 1;
- return 1;
-}
-__setup("nohlt", nohlt_setup);
-
-static int __init hlt_setup(char *__unused)
-{
- hlt_counter = 0;
- return 1;
-}
-__setup("hlt", hlt_setup);
-
-void default_idle(void)
-{
- if (likely(hlt_counter)) {
- local_irq_disable();
- stop_critical_timings();
- cpu_relax();
- start_critical_timings();
- local_irq_enable();
- } else {
- clear_thread_flag(TIF_POLLING_NRFLAG);
- smp_mb__after_clear_bit();
- local_irq_disable();
- while (!need_resched())
- cpu_sleep();
- local_irq_enable();
- set_thread_flag(TIF_POLLING_NRFLAG);
- }
-}
-
-void cpu_idle(void)
-{
- set_thread_flag(TIF_POLLING_NRFLAG);
-
- /* endless idle loop with no priority at all */
- while (1) {
- tick_nohz_idle_enter();
- rcu_idle_enter();
- while (!need_resched())
- default_idle();
- rcu_idle_exit();
- tick_nohz_idle_exit();
-
- schedule_preempt_disabled();
- check_pgt_cache();
- }
-}
-
void flush_thread(void)
{
}
@@ -223,3 +160,8 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpregs)
return 0; /* MicroBlaze has no separate FPU registers */
}
#endif /* CONFIG_MMU */
+
+void arch_cpu_idle(void)
+{
+ local_irq_enable();
+}