diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
commit | 12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch) | |
tree | f91479a62805619168994fd3ee55e3ffa23fc24e /arch/microblaze/kernel/process.c | |
parent | 9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff) | |
parent | f722406faae2d073cc1d01063d1123c35425939e (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.c | 72 |
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(); +} |