diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h index 98da78e0c2c0..084e0807db98 100644 --- a/arch/powerpc/include/asm/smp.h +++ b/arch/powerpc/include/asm/smp.h @@ -33,6 +33,7 @@ extern int boot_cpuid; extern int spinning_secondaries; extern void cpu_die(void); +extern int cpu_to_chip_id(int cpu); #ifdef CONFIG_SMP @@ -112,7 +113,6 @@ static inline struct cpumask *cpu_core_mask(int cpu) } extern int cpu_to_core_id(int cpu); -extern int cpu_to_chip_id(int cpu); /* Since OpenPIC has only 4 IPIs, we use slightly different message numbers. * diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index 671302065347..4bd687d5e7aa 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -686,6 +686,15 @@ void eeh_save_bars(struct eeh_dev *edev) for (i = 0; i < 16; i++) eeh_ops->read_config(dn, i * 4, 4, &edev->config_space[i]); + + /* + * For PCI bridges including root port, we need enable bus + * master explicitly. Otherwise, it can't fetch IODA table + * entries correctly. So we cache the bit in advance so that + * we can restore it after reset, either PHB range or PE range. + */ + if (edev->mode & EEH_DEV_BRIDGE) + edev->config_space[1] |= PCI_COMMAND_MASTER; } /** diff --git a/arch/powerpc/kernel/eeh_event.c b/arch/powerpc/kernel/eeh_event.c index d27c5afc90ae..72d748b56c86 100644 --- a/arch/powerpc/kernel/eeh_event.c +++ b/arch/powerpc/kernel/eeh_event.c @@ -74,8 +74,13 @@ static int eeh_event_handler(void * dummy) pe = event->pe; if (pe) { eeh_pe_state_mark(pe, EEH_PE_RECOVERING); - pr_info("EEH: Detected PCI bus error on PHB#%d-PE#%x\n", - pe->phb->global_number, pe->addr); + if (pe->type & EEH_PE_PHB) + pr_info("EEH: Detected error on PHB#%d\n", + pe->phb->global_number); + else + pr_info("EEH: Detected PCI bus error on " + "PHB#%d-PE#%x\n", + pe->phb->global_number, pe->addr); eeh_handle_event(pe); eeh_pe_state_clear(pe, EEH_PE_RECOVERING); } else { diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 0650e18169f8..3386d8ab7eb0 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -858,17 +858,21 @@ void show_regs(struct pt_regs * regs) printk("MSR: "REG" ", regs->msr); printbits(regs->msr, msr_bits); printk(" CR: %08lx XER: %08lx\n", regs->ccr, regs->xer); -#ifdef CONFIG_PPC64 - printk("SOFTE: %ld\n", regs->softe); -#endif trap = TRAP(regs); if ((regs->trap != 0xc00) && cpu_has_feature(CPU_FTR_CFAR)) - printk("CFAR: "REG"\n", regs->orig_gpr3); - if (trap == 0x300 || trap == 0x600) + printk("CFAR: "REG" ", regs->orig_gpr3); + if (trap == 0x200 || trap == 0x300 || trap == 0x600) #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE) - printk("DEAR: "REG", ESR: "REG"\n", regs->dar, regs->dsisr); + printk("DEAR: "REG" ESR: "REG" ", regs->dar, regs->dsisr); #else - printk("DAR: "REG", DSISR: %08lx\n", regs->dar, regs->dsisr); + printk("DAR: "REG" DSISR: %08lx ", regs->dar, regs->dsisr); +#endif +#ifdef CONFIG_PPC64 + printk("SOFTE: %ld ", regs->softe); +#endif +#ifdef CONFIG_PPC_TRANSACTIONAL_MEM + if (MSR_TM_ACTIVE(regs->msr)) + printk("\nPACATMSCRATCH: %016llx ", get_paca()->tm_scratch); #endif for (i = 0; i < 32; i++) { @@ -886,9 +890,6 @@ void show_regs(struct pt_regs * regs) */ printk("NIP ["REG"] %pS\n", regs->nip, (void *)regs->nip); printk("LR ["REG"] %pS\n", regs->link, (void *)regs->link); -#endif -#ifdef CONFIG_PPC_TRANSACTIONAL_MEM - printk("PACATMSCRATCH [%llx]\n", get_paca()->tm_scratch); #endif show_stack(current, (unsigned long *) regs->gpr[1]); if (!user_mode(regs)) diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index f3a47098fb8e..fa0ad8aafbcc 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -777,6 +777,26 @@ int of_get_ibm_chip_id(struct device_node *np) return -1; } +/** + * cpu_to_chip_id - Return the cpus chip-id + * @cpu: The logical cpu number. + * + * Return the value of the ibm,chip-id property corresponding to the given + * logical cpu number. If the chip-id can not be found, returns -1. + */ +int cpu_to_chip_id(int cpu) +{ + struct device_node *np; + + np = of_get_cpu_node(cpu, NULL); + if (!np) + return -1; + + of_node_put(np); + return of_get_ibm_chip_id(np); +} +EXPORT_SYMBOL(cpu_to_chip_id); + #ifdef CONFIG_PPC_PSERIES /* * Fix up the uninitialized fields in a new device node: diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 749778e0a69d..1844298f5ea4 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -457,7 +457,15 @@ static int save_user_regs(struct pt_regs *regs, struct mcontext __user *frame, if (copy_vsx_to_user(&frame->mc_vsregs, current)) return 1; msr |= MSR_VSX; - } + } else if (!ctx_has_vsx_region) + /* + * With a small context structure we can't hold the VSX + * registers, hence clear the MSR value to indicate the state + * was not saved. + */ + msr &= ~MSR_VSX; + + #endif /* CONFIG_VSX */ #ifdef CONFIG_SPE /* save spe registers */ diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 930cd8af3503..a3b64f3bf9a2 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -597,22 +597,6 @@ out: return id; } -/* Return the value of the chip-id property corresponding - * to the given logical cpu. - */ -int cpu_to_chip_id(int cpu) -{ - struct device_node *np; - - np = of_get_cpu_node(cpu, NULL); - if (!np) - return -1; - - of_node_put(np); - return of_get_ibm_chip_id(np); -} -EXPORT_SYMBOL(cpu_to_chip_id); - /* Helper routines for cpu to core mapping */ int cpu_core_index_of_thread(int cpu) { diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 192b051df97e..b3b144121cc9 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -213,8 +213,6 @@ static u64 scan_dispatch_log(u64 stop_tb) if (i == be64_to_cpu(vpa->dtl_idx)) return 0; while (i < be64_to_cpu(vpa->dtl_idx)) { - if (dtl_consumer) - dtl_consumer(dtl, i); dtb = be64_to_cpu(dtl->timebase); tb_delta = be32_to_cpu(dtl->enqueue_to_dispatch_time) + be32_to_cpu(dtl->ready_to_enqueue_time); @@ -227,6 +225,8 @@ static u64 scan_dispatch_log(u64 stop_tb) } if (dtb > stop_tb) break; + if (dtl_consumer) + dtl_consumer(dtl, i); stolen += tb_delta; ++i; ++dtl; diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c index e7d0c88f621a..76a64821f4a2 100644 --- a/arch/powerpc/kernel/vio.c +++ b/arch/powerpc/kernel/vio.c @@ -1419,7 +1419,7 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node) /* needed to ensure proper operation of coherent allocations * later, in case driver doesn't set it explicitly */ - dma_set_mask_and_coherent(&viodev->dev, DMA_BIT_MASK(64)); + dma_coerce_mask_and_coherent(&viodev->dev, DMA_BIT_MASK(64)); } /* register with generic device framework */ diff --git a/arch/powerpc/mm/gup.c b/arch/powerpc/mm/gup.c index 6936547018b8..c5f734e20b0f 100644 --- a/arch/powerpc/mm/gup.c +++ b/arch/powerpc/mm/gup.c @@ -123,6 +123,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, struct mm_struct *mm = current->mm; unsigned long addr, len, end; unsigned long next; + unsigned long flags; pgd_t *pgdp; int nr = 0; @@ -156,7 +157,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, * So long as we atomically load page table pointers versus teardown, * we can follow the address down to the the page and take a ref on it. */ - local_irq_disable(); + local_irq_save(flags); pgdp = pgd_offset(mm, addr); do { @@ -179,7 +180,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, break; } while (pgdp++, addr = next, addr != end); - local_irq_enable(); + local_irq_restore(flags); return nr; } diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c index 3e99c149271a..7ce9cf3b6988 100644 --- a/arch/powerpc/mm/slice.c +++ b/arch/powerpc/mm/slice.c @@ -258,7 +258,7 @@ static bool slice_scan_available(unsigned long addr, slice = GET_HIGH_SLICE_INDEX(addr); *boundary_addr = (slice + end) ? ((slice + end) << SLICE_HIGH_SHIFT) : SLICE_LOW_TOP; - return !!(available.high_slices & (1u << slice)); + return !!(available.high_slices & (1ul << slice)); } } diff --git a/arch/powerpc/platforms/powernv/rng.c b/arch/powerpc/platforms/powernv/rng.c index 8844628915dc..1cb160dc1609 100644 --- a/arch/powerpc/platforms/powernv/rng.c +++ b/arch/powerpc/platforms/powernv/rng.c @@ -19,6 +19,7 @@ #include #include #include +#include struct powernv_rng { diff --git a/arch/powerpc/platforms/pseries/rng.c b/arch/powerpc/platforms/pseries/rng.c index a702f1c08242..72a102758d4e 100644 --- a/arch/powerpc/platforms/pseries/rng.c +++ b/arch/powerpc/platforms/pseries/rng.c @@ -13,6 +13,7 @@ #include #include #include +#include static int pseries_get_random_long(unsigned long *v) diff --git a/arch/powerpc/platforms/wsp/chroma.c b/arch/powerpc/platforms/wsp/chroma.c index 8ef53bc2e70e..aaa46b353715 100644 --- a/arch/powerpc/platforms/wsp/chroma.c +++ b/arch/powerpc/platforms/wsp/chroma.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include diff --git a/arch/powerpc/platforms/wsp/h8.c b/arch/powerpc/platforms/wsp/h8.c index d18e6cc19df3..a3c87f395750 100644 --- a/arch/powerpc/platforms/wsp/h8.c +++ b/arch/powerpc/platforms/wsp/h8.c @@ -10,6 +10,7 @@ #include #include #include +#include #include "wsp.h" diff --git a/arch/powerpc/platforms/wsp/ics.c b/arch/powerpc/platforms/wsp/ics.c index 2d3b1dd9571d..9cd92e645028 100644 --- a/arch/powerpc/platforms/wsp/ics.c +++ b/arch/powerpc/platforms/wsp/ics.c @@ -18,6 +18,8 @@ #include #include #include +#include +#include #include #include diff --git a/arch/powerpc/platforms/wsp/opb_pic.c b/arch/powerpc/platforms/wsp/opb_pic.c index cb565bf93650..3f6729807938 100644 --- a/arch/powerpc/platforms/wsp/opb_pic.c +++ b/arch/powerpc/platforms/wsp/opb_pic.c @@ -15,6 +15,8 @@ #include #include #include +#include +#include #include #include diff --git a/arch/powerpc/platforms/wsp/psr2.c b/arch/powerpc/platforms/wsp/psr2.c index 508ec8282b96..a87b414c766a 100644 --- a/arch/powerpc/platforms/wsp/psr2.c +++ b/arch/powerpc/platforms/wsp/psr2.c @@ -15,6 +15,7 @@ #include #include #include +#include #include #include diff --git a/arch/powerpc/platforms/wsp/scom_wsp.c b/arch/powerpc/platforms/wsp/scom_wsp.c index 8928507affea..6538b4de34fc 100644 --- a/arch/powerpc/platforms/wsp/scom_wsp.c +++ b/arch/powerpc/platforms/wsp/scom_wsp.c @@ -14,6 +14,7 @@ #include #include #include +#include #include #include diff --git a/arch/powerpc/platforms/wsp/wsp.c b/arch/powerpc/platforms/wsp/wsp.c index ddb6efe88914..58cd1f00e1ef 100644 --- a/arch/powerpc/platforms/wsp/wsp.c +++ b/arch/powerpc/platforms/wsp/wsp.c @@ -13,6 +13,7 @@ #include #include #include +#include #include