diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/dlpar.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/eeh.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/hotplug-cpu.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 6 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/msi.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/nvram.c | 24 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/offline_states.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 18 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/smp.c | 21 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/xics.c | 81 |
10 files changed, 99 insertions, 63 deletions
diff --git a/arch/powerpc/platforms/pseries/dlpar.c b/arch/powerpc/platforms/pseries/dlpar.c index b74a9230edc..57ceb92b228 100644 --- a/arch/powerpc/platforms/pseries/dlpar.c +++ b/arch/powerpc/platforms/pseries/dlpar.c @@ -74,7 +74,7 @@ static struct device_node *dlpar_parse_cc_node(struct cc_workarea *ccwa) return NULL; /* The configure connector reported name does not contain a - * preceeding '/', so we allocate a buffer large enough to + * preceding '/', so we allocate a buffer large enough to * prepend this to the full_name. */ name = (char *)ccwa + ccwa->name_offset; diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c index 3cc4d102b1f..89649173d3a 100644 --- a/arch/powerpc/platforms/pseries/eeh.c +++ b/arch/powerpc/platforms/pseries/eeh.c @@ -65,7 +65,7 @@ * with EEH. * * Ideally, a PCI device driver, when suspecting that an isolation - * event has occured (e.g. by reading 0xff's), will then ask EEH + * event has occurred (e.g. by reading 0xff's), will then ask EEH * whether this is the case, and then take appropriate steps to * reset the PCI slot, the PCI device, and then resume operations. * However, until that day, the checking is done here, with the diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c index fd50ccd4bac..ef8c45489e2 100644 --- a/arch/powerpc/platforms/pseries/hotplug-cpu.c +++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c @@ -216,7 +216,7 @@ static void pseries_cpu_die(unsigned int cpu) cpu, pcpu, cpu_status); } - /* Isolation and deallocation are definatly done by + /* Isolation and deallocation are definitely done by * drslot_chrp_cpu. If they were not they would be * done here. Change isolate state to Isolate and * change allocation-state to Unusable. diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index 154c464cdca..6d5412a18b2 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -272,7 +272,7 @@ static unsigned long tce_get_pSeriesLP(struct iommu_table *tbl, long tcenum) return tce_ret; } -/* this is compatable with cells for the device tree property */ +/* this is compatible with cells for the device tree property */ struct dynamic_dma_window_prop { __be32 liobn; /* tce table number */ __be64 dma_base; /* address hi,lo */ @@ -976,7 +976,7 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev) pr_debug("pci_dma_dev_setup_pSeriesLP: %s\n", pci_name(dev)); /* dev setup for LPAR is a little tricky, since the device tree might - * contain the dma-window properties per-device and not neccesarily + * contain the dma-window properties per-device and not necessarily * for the bus. So we need to search upwards in the tree until we * either hit a dma-window property, OR find a parent with a table * already allocated. @@ -1033,7 +1033,7 @@ static int dma_set_mask_pSeriesLP(struct device *dev, u64 dma_mask) /* * the device tree might contain the dma-window properties - * per-device and not neccesarily for the bus. So we need to + * per-device and not necessarily for the bus. So we need to * search upwards in the tree until we either hit a dma-window * property, OR find a parent with a table already allocated. */ diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c index 18ac801f8e9..38d24e7e7bb 100644 --- a/arch/powerpc/platforms/pseries/msi.c +++ b/arch/powerpc/platforms/pseries/msi.c @@ -137,7 +137,7 @@ static void rtas_teardown_msi_irqs(struct pci_dev *pdev) if (entry->irq == NO_IRQ) continue; - set_irq_msi(entry->irq, NULL); + irq_set_msi_desc(entry->irq, NULL); irq_dispose_mapping(entry->irq); } @@ -437,7 +437,7 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type) } dev_dbg(&pdev->dev, "rtas_msi: allocated virq %d\n", virq); - set_irq_msi(virq, entry); + irq_set_msi_desc(virq, entry); /* Read config space back so we can restore after reset */ read_msi_msg(virq, &msg); diff --git a/arch/powerpc/platforms/pseries/nvram.c b/arch/powerpc/platforms/pseries/nvram.c index 419707b0724..00cc3a09488 100644 --- a/arch/powerpc/platforms/pseries/nvram.c +++ b/arch/powerpc/platforms/pseries/nvram.c @@ -480,8 +480,32 @@ static void oops_to_nvram(struct kmsg_dumper *dumper, const char *new_msgs, unsigned long new_len) { static unsigned int oops_count = 0; + static bool panicking = false; size_t text_len; + switch (reason) { + case KMSG_DUMP_RESTART: + case KMSG_DUMP_HALT: + case KMSG_DUMP_POWEROFF: + /* These are almost always orderly shutdowns. */ + return; + case KMSG_DUMP_OOPS: + case KMSG_DUMP_KEXEC: + break; + case KMSG_DUMP_PANIC: + panicking = true; + break; + case KMSG_DUMP_EMERG: + if (panicking) + /* Panic report already captured. */ + return; + break; + default: + pr_err("%s: ignoring unrecognized KMSG_DUMP_* reason %d\n", + __FUNCTION__, (int) reason); + return; + } + if (clobbering_unread_rtas_event()) return; diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h index 75a6f480d93..08672d9136a 100644 --- a/arch/powerpc/platforms/pseries/offline_states.h +++ b/arch/powerpc/platforms/pseries/offline_states.h @@ -34,6 +34,4 @@ static inline void set_default_offline_state(int cpu) #endif extern enum cpu_state_vals get_preferred_offline_state(int cpu); -extern int start_secondary(void); -extern void start_secondary_resume(void); #endif diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 2a0089a2c82..6c42cfde841 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -114,7 +114,7 @@ static void __init fwnmi_init(void) static void pseries_8259_cascade(unsigned int irq, struct irq_desc *desc) { - struct irq_chip *chip = get_irq_desc_chip(desc); + struct irq_chip *chip = irq_desc_get_chip(desc); unsigned int cascade_irq = i8259_irq(); if (cascade_irq != NO_IRQ) @@ -169,7 +169,7 @@ static void __init pseries_setup_i8259_cascade(void) printk(KERN_DEBUG "pic: PCI 8259 intack at 0x%016lx\n", intack); i8259_init(found, intack); of_node_put(found); - set_irq_chained_handler(cascade, pseries_8259_cascade); + irq_set_chained_handler(cascade, pseries_8259_cascade); } static void __init pseries_mpic_init_IRQ(void) @@ -287,14 +287,22 @@ static int alloc_dispatch_logs(void) int cpu, ret; struct paca_struct *pp; struct dtl_entry *dtl; + struct kmem_cache *dtl_cache; if (!firmware_has_feature(FW_FEATURE_SPLPAR)) return 0; + dtl_cache = kmem_cache_create("dtl", DISPATCH_LOG_BYTES, + DISPATCH_LOG_BYTES, 0, NULL); + if (!dtl_cache) { + pr_warn("Failed to create dispatch trace log buffer cache\n"); + pr_warn("Stolen time statistics will be unreliable\n"); + return 0; + } + for_each_possible_cpu(cpu) { pp = &paca[cpu]; - dtl = kmalloc_node(DISPATCH_LOG_BYTES, GFP_KERNEL, - cpu_to_node(cpu)); + dtl = kmem_cache_alloc(dtl_cache, GFP_KERNEL); if (!dtl) { pr_warn("Failed to allocate dispatch trace log for cpu %d\n", cpu); @@ -378,7 +386,7 @@ static int __init pSeries_init_panel(void) return 0; } -arch_initcall(pSeries_init_panel); +machine_arch_initcall(pseries, pSeries_init_panel); static int pseries_set_dabr(unsigned long dabr) { diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c index 0317cce877c..a509c5292a6 100644 --- a/arch/powerpc/platforms/pseries/smp.c +++ b/arch/powerpc/platforms/pseries/smp.c @@ -64,8 +64,8 @@ int smp_query_cpu_stopped(unsigned int pcpu) int qcss_tok = rtas_token("query-cpu-stopped-state"); if (qcss_tok == RTAS_UNKNOWN_SERVICE) { - printk(KERN_INFO "Firmware doesn't support " - "query-cpu-stopped-state\n"); + printk_once(KERN_INFO + "Firmware doesn't support query-cpu-stopped-state\n"); return QCSS_HARDWARE_ERROR; } @@ -112,10 +112,10 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) /* Fixup atomic count: it exited inside IRQ handler. */ task_thread_info(paca[lcpu].__current)->preempt_count = 0; - +#ifdef CONFIG_HOTPLUG_CPU if (get_cpu_current_state(lcpu) == CPU_STATE_INACTIVE) goto out; - +#endif /* * If the RTAS start-cpu token does not exist then presume the * cpu is already spinning. @@ -130,7 +130,9 @@ static inline int __devinit smp_startup_cpu(unsigned int lcpu) return 0; } +#ifdef CONFIG_HOTPLUG_CPU out: +#endif return 1; } @@ -144,16 +146,15 @@ static void __devinit smp_xics_setup_cpu(int cpu) vpa_init(cpu); cpumask_clear_cpu(cpu, of_spin_mask); +#ifdef CONFIG_HOTPLUG_CPU set_cpu_current_state(cpu, CPU_STATE_ONLINE); set_default_offline_state(cpu); - +#endif } #endif /* CONFIG_XICS */ static void __devinit smp_pSeries_kick_cpu(int nr) { - long rc; - unsigned long hcpuid; BUG_ON(nr < 0 || nr >= NR_CPUS); if (!smp_startup_cpu(nr)) @@ -165,16 +166,20 @@ static void __devinit smp_pSeries_kick_cpu(int nr) * the processor will continue on to secondary_start */ paca[nr].cpu_start = 1; - +#ifdef CONFIG_HOTPLUG_CPU set_preferred_offline_state(nr, CPU_STATE_ONLINE); if (get_cpu_current_state(nr) == CPU_STATE_INACTIVE) { + long rc; + unsigned long hcpuid; + hcpuid = get_hard_smp_processor_id(nr); rc = plpar_hcall_norets(H_PROD, hcpuid); if (rc != H_SUCCESS) printk(KERN_ERR "Error: Prod to wake up processor %d " "Ret= %ld\n", nr, rc); } +#endif } static int smp_pSeries_cpu_bootable(unsigned int nr) diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 01fea46c033..d6901334d66 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -204,33 +204,33 @@ static int get_irq_server(unsigned int virq, const struct cpumask *cpumask, static void xics_unmask_irq(struct irq_data *d) { - unsigned int irq; + unsigned int hwirq; int call_status; int server; pr_devel("xics: unmask virq %d\n", d->irq); - irq = (unsigned int)irq_map[d->irq].hwirq; - pr_devel(" -> map to hwirq 0x%x\n", irq); - if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) + hwirq = (unsigned int)irq_map[d->irq].hwirq; + pr_devel(" -> map to hwirq 0x%x\n", hwirq); + if (hwirq == XICS_IPI || hwirq == XICS_IRQ_SPURIOUS) return; server = get_irq_server(d->irq, d->affinity, 0); - call_status = rtas_call(ibm_set_xive, 3, 1, NULL, irq, server, + call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hwirq, server, DEFAULT_PRIORITY); if (call_status != 0) { printk(KERN_ERR "%s: ibm_set_xive irq %u server %x returned %d\n", - __func__, irq, server, call_status); + __func__, hwirq, server, call_status); return; } /* Now unmask the interrupt (often a no-op) */ - call_status = rtas_call(ibm_int_on, 1, 1, NULL, irq); + call_status = rtas_call(ibm_int_on, 1, 1, NULL, hwirq); if (call_status != 0) { printk(KERN_ERR "%s: ibm_int_on irq=%u returned %d\n", - __func__, irq, call_status); + __func__, hwirq, call_status); return; } } @@ -250,46 +250,46 @@ static unsigned int xics_startup(struct irq_data *d) return 0; } -static void xics_mask_real_irq(struct irq_data *d) +static void xics_mask_real_irq(unsigned int hwirq) { int call_status; - if (d->irq == XICS_IPI) + if (hwirq == XICS_IPI) return; - call_status = rtas_call(ibm_int_off, 1, 1, NULL, d->irq); + call_status = rtas_call(ibm_int_off, 1, 1, NULL, hwirq); if (call_status != 0) { printk(KERN_ERR "%s: ibm_int_off irq=%u returned %d\n", - __func__, d->irq, call_status); + __func__, hwirq, call_status); return; } /* Have to set XIVE to 0xff to be able to remove a slot */ - call_status = rtas_call(ibm_set_xive, 3, 1, NULL, d->irq, + call_status = rtas_call(ibm_set_xive, 3, 1, NULL, hwirq, default_server, 0xff); if (call_status != 0) { printk(KERN_ERR "%s: ibm_set_xive(0xff) irq=%u returned %d\n", - __func__, d->irq, call_status); + __func__, hwirq, call_status); return; } } static void xics_mask_irq(struct irq_data *d) { - unsigned int irq; + unsigned int hwirq; pr_devel("xics: mask virq %d\n", d->irq); - irq = (unsigned int)irq_map[d->irq].hwirq; - if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) + hwirq = (unsigned int)irq_map[d->irq].hwirq; + if (hwirq == XICS_IPI || hwirq == XICS_IRQ_SPURIOUS) return; - xics_mask_real_irq(d); + xics_mask_real_irq(hwirq); } static void xics_mask_unknown_vec(unsigned int vec) { printk(KERN_ERR "Interrupt %u (real) is invalid, disabling it.\n", vec); - xics_mask_real_irq(irq_get_irq_data(vec)); + xics_mask_real_irq(vec); } static inline unsigned int xics_xirr_vector(unsigned int xirr) @@ -373,37 +373,37 @@ static unsigned char pop_cppr(void) static void xics_eoi_direct(struct irq_data *d) { - unsigned int irq = (unsigned int)irq_map[d->irq].hwirq; + unsigned int hwirq = (unsigned int)irq_map[d->irq].hwirq; iosync(); - direct_xirr_info_set((pop_cppr() << 24) | irq); + direct_xirr_info_set((pop_cppr() << 24) | hwirq); } static void xics_eoi_lpar(struct irq_data *d) { - unsigned int irq = (unsigned int)irq_map[d->irq].hwirq; + unsigned int hwirq = (unsigned int)irq_map[d->irq].hwirq; iosync(); - lpar_xirr_info_set((pop_cppr() << 24) | irq); + lpar_xirr_info_set((pop_cppr() << 24) | hwirq); } static int xics_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool force) { - unsigned int irq; + unsigned int hwirq; int status; int xics_status[2]; int irq_server; - irq = (unsigned int)irq_map[d->irq].hwirq; - if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) + hwirq = (unsigned int)irq_map[d->irq].hwirq; + if (hwirq == XICS_IPI || hwirq == XICS_IRQ_SPURIOUS) return -1; - status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq); + status = rtas_call(ibm_get_xive, 1, 3, xics_status, hwirq); if (status) { printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n", - __func__, irq, status); + __func__, hwirq, status); return -1; } @@ -418,11 +418,11 @@ xics_set_affinity(struct irq_data *d, const struct cpumask *cpumask, bool force) } status = rtas_call(ibm_set_xive, 3, 1, NULL, - irq, irq_server, xics_status[1]); + hwirq, irq_server, xics_status[1]); if (status) { printk(KERN_ERR "%s: ibm,set-xive irq=%u returns %d\n", - __func__, irq, status); + __func__, hwirq, status); return -1; } @@ -470,8 +470,8 @@ static int xics_host_map(struct irq_host *h, unsigned int virq, /* Insert the interrupt mapping into the radix tree for fast lookup */ irq_radix_revmap_insert(xics_host, virq, hw); - irq_to_desc(virq)->status |= IRQ_LEVEL; - set_irq_chip_and_handler(virq, xics_irq_chip, handle_fasteoi_irq); + irq_set_status_flags(virq, IRQ_LEVEL); + irq_set_chip_and_handler(virq, xics_irq_chip, handle_fasteoi_irq); return 0; } @@ -600,7 +600,7 @@ static void xics_request_ipi(void) * IPIs are marked IRQF_DISABLED as they must run with irqs * disabled */ - set_irq_handler(ipi, handle_percpu_irq); + irq_set_handler(ipi, handle_percpu_irq); if (firmware_has_feature(FW_FEATURE_LPAR)) rc = request_irq(ipi, xics_ipi_action_lpar, IRQF_DISABLED|IRQF_PERCPU, "IPI", NULL); @@ -874,7 +874,7 @@ void xics_kexec_teardown_cpu(int secondary) void xics_migrate_irqs_away(void) { int cpu = smp_processor_id(), hw_cpu = hard_smp_processor_id(); - unsigned int irq, virq; + int virq; /* If we used to be the default server, move to the new "boot_cpuid" */ if (hw_cpu == default_server) @@ -892,18 +892,19 @@ void xics_migrate_irqs_away(void) for_each_irq(virq) { struct irq_desc *desc; struct irq_chip *chip; + unsigned int hwirq; int xics_status[2]; int status; unsigned long flags; - /* We cant set affinity on ISA interrupts */ + /* We can't set affinity on ISA interrupts */ if (virq < NUM_ISA_INTERRUPTS) continue; if (irq_map[virq].host != xics_host) continue; - irq = (unsigned int)irq_map[virq].hwirq; + hwirq = (unsigned int)irq_map[virq].hwirq; /* We need to get IPIs still. */ - if (irq == XICS_IPI || irq == XICS_IRQ_SPURIOUS) + if (hwirq == XICS_IPI || hwirq == XICS_IRQ_SPURIOUS) continue; desc = irq_to_desc(virq); @@ -912,16 +913,16 @@ void xics_migrate_irqs_away(void) if (desc == NULL || desc->action == NULL) continue; - chip = get_irq_desc_chip(desc); + chip = irq_desc_get_chip(desc); if (chip == NULL || chip->irq_set_affinity == NULL) continue; raw_spin_lock_irqsave(&desc->lock, flags); - status = rtas_call(ibm_get_xive, 1, 3, xics_status, irq); + status = rtas_call(ibm_get_xive, 1, 3, xics_status, hwirq); if (status) { printk(KERN_ERR "%s: ibm,get-xive irq=%u returns %d\n", - __func__, irq, status); + __func__, hwirq, status); goto unlock; } |