diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/include/asm/exception-64s.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/eeh_cache.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/irq.c | 2 | ||||
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 17 | ||||
| -rw-r--r-- | arch/powerpc/kernel/process.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 10 | ||||
| -rw-r--r-- | arch/powerpc/kvm/booke.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/mm/hugetlbpage.c | 8 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 24 |
10 files changed, 47 insertions, 29 deletions
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h index 484cb09..07ca627 100644 --- a/arch/powerpc/include/asm/exception-64s.h +++ b/arch/powerpc/include/asm/exception-64s.h @@ -513,7 +513,7 @@ label##_common: \ */ #define STD_EXCEPTION_COMMON_ASYNC(trap, label, hdlr) \ EXCEPTION_COMMON(trap, label, hdlr, ret_from_except_lite, \ - FINISH_NAP;RUNLATCH_ON;DISABLE_INTS) + FINISH_NAP;DISABLE_INTS;RUNLATCH_ON) /* * When the idle code in power4_idle puts the CPU into NAP mode, diff --git a/arch/powerpc/kernel/eeh_cache.c b/arch/powerpc/kernel/eeh_cache.c index ea9a94c..f9ac123 100644 --- a/arch/powerpc/kernel/eeh_cache.c +++ b/arch/powerpc/kernel/eeh_cache.c @@ -294,8 +294,6 @@ void eeh_addr_cache_build(void) spin_lock_init(&pci_io_addr_cache_root.piar_lock); for_each_pci_dev(dev) { - eeh_addr_cache_insert_dev(dev); - dn = pci_device_to_OF_node(dev); if (!dn) continue; @@ -308,6 +306,8 @@ void eeh_addr_cache_build(void) dev->dev.archdata.edev = edev; edev->pdev = dev; + eeh_addr_cache_insert_dev(dev); + eeh_sysfs_add_device(dev); } diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 359d949..4e00d22 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -692,7 +692,7 @@ machine_check_common: STD_EXCEPTION_COMMON(0xb00, trap_0b, .unknown_exception) STD_EXCEPTION_COMMON(0xd00, single_step, .single_step_exception) STD_EXCEPTION_COMMON(0xe00, trap_0e, .unknown_exception) - STD_EXCEPTION_COMMON(0xe40, emulation_assist, .program_check_exception) + STD_EXCEPTION_COMMON(0xe40, emulation_assist, .emulation_assist_interrupt) STD_EXCEPTION_COMMON(0xe60, hmi_exception, .unknown_exception) #ifdef CONFIG_PPC_DOORBELL STD_EXCEPTION_COMMON_ASYNC(0xe80, h_doorbell, .doorbell_exception) diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 32fa52e..2e51cde 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -160,7 +160,7 @@ notrace unsigned int __check_irq_replay(void) * in case we also had a rollover while hard disabled */ local_paca->irq_happened &= ~PACA_IRQ_DEC; - if (decrementer_check_overflow()) + if ((happened & PACA_IRQ_DEC) || decrementer_check_overflow()) return 0x900; /* Finally check if an external interrupt happened */ diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index eabeec9..f46914a 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -994,7 +994,7 @@ void pcibios_setup_bus_self(struct pci_bus *bus) ppc_md.pci_dma_bus_setup(bus); } -void pcibios_setup_device(struct pci_dev *dev) +static void pcibios_setup_device(struct pci_dev *dev) { /* Fixup NUMA node as it may not be setup yet by the generic * code and is needed by the DMA init @@ -1015,6 +1015,17 @@ void pcibios_setup_device(struct pci_dev *dev) ppc_md.pci_irq_fixup(dev); } +int pcibios_add_device(struct pci_dev *dev) +{ + /* + * We can only call pcibios_setup_device() after bus setup is complete, + * since some of the platform specific DMA setup code depends on it. + */ + if (dev->bus->is_added) + pcibios_setup_device(dev); + return 0; +} + void pcibios_setup_bus_devices(struct pci_bus *bus) { struct pci_dev *dev; @@ -1469,10 +1480,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) if (ppc_md.pcibios_enable_device_hook(dev)) return -EINVAL; - /* avoid pcie irq fix up impact on cardbus */ - if (dev->hdr_type != PCI_HEADER_TYPE_CARDBUS) - pcibios_setup_device(dev); - return pci_enable_resources(dev, mask); } diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index f8a76e62..c517dbe 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -1373,7 +1373,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) #ifdef CONFIG_PPC64 /* Called with hard IRQs off */ -void __ppc64_runlatch_on(void) +void notrace __ppc64_runlatch_on(void) { struct thread_info *ti = current_thread_info(); unsigned long ctrl; @@ -1386,7 +1386,7 @@ void __ppc64_runlatch_on(void) } /* Called with hard IRQs off */ -void __ppc64_runlatch_off(void) +void notrace __ppc64_runlatch_off(void) { struct thread_info *ti = current_thread_info(); unsigned long ctrl; diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 4a87fcb..bf33c22 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1179,6 +1179,16 @@ bail: exception_exit(prev_state); } +/* + * This occurs when running in hypervisor mode on POWER6 or later + * and an illegal instruction is encountered. + */ +void __kprobes emulation_assist_interrupt(struct pt_regs *regs) +{ + regs->msr |= REASON_ILLEGAL; + program_check_exception(regs); +} + void alignment_exception(struct pt_regs *regs) { enum ctx_state prev_state = exception_enter(); diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 5cd7ad0..1a1b511 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -673,7 +673,6 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) ret = s; goto out; } - kvmppc_lazy_ee_enable(); kvm_guest_enter(); @@ -699,6 +698,8 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) kvmppc_load_guest_fp(vcpu); #endif + kvmppc_lazy_ee_enable(); + ret = __kvmppc_vcpu_run(kvm_run, vcpu); /* No need for kvm_guest_exit. It's done in handle_exit. diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index f2f01fd..5555778 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -536,8 +536,14 @@ static void hugetlb_free_pmd_range(struct mmu_gather *tlb, pud_t *pud, do { pmd = pmd_offset(pud, addr); next = pmd_addr_end(addr, end); - if (pmd_none_or_clear_bad(pmd)) + if (!is_hugepd(pmd)) { + /* + * if it is not hugepd pointer, we should already find + * it cleared. + */ + WARN_ON(!pmd_none_or_clear_bad(pmd)); continue; + } #ifdef CONFIG_PPC_FSL_BOOK3E /* * Increment next by the size of the huge mapping since diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 028ac1f..46ac1dd 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -97,22 +97,14 @@ static int fsl_indirect_read_config(struct pci_bus *bus, unsigned int devfn, return indirect_read_config(bus, devfn, offset, len, val); } -static struct pci_ops fsl_indirect_pci_ops = +#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx) + +static struct pci_ops fsl_indirect_pcie_ops = { .read = fsl_indirect_read_config, .write = indirect_write_config, }; -static void __init fsl_setup_indirect_pci(struct pci_controller* hose, - resource_size_t cfg_addr, - resource_size_t cfg_data, u32 flags) -{ - setup_indirect_pci(hose, cfg_addr, cfg_data, flags); - hose->ops = &fsl_indirect_pci_ops; -} - -#if defined(CONFIG_FSL_SOC_BOOKE) || defined(CONFIG_PPC_86xx) - #define MAX_PHYS_ADDR_BITS 40 static u64 pci64_dma_offset = 1ull << MAX_PHYS_ADDR_BITS; @@ -504,13 +496,15 @@ int __init fsl_add_bridge(struct platform_device *pdev, int is_primary) if (!hose->private_data) goto no_bridge; - fsl_setup_indirect_pci(hose, rsrc.start, rsrc.start + 0x4, - PPC_INDIRECT_TYPE_BIG_ENDIAN); + setup_indirect_pci(hose, rsrc.start, rsrc.start + 0x4, + PPC_INDIRECT_TYPE_BIG_ENDIAN); if (in_be32(&pci->block_rev1) < PCIE_IP_REV_3_0) hose->indirect_type |= PPC_INDIRECT_TYPE_FSL_CFG_REG_LINK; if (early_find_capability(hose, 0, 0, PCI_CAP_ID_EXP)) { + /* use fsl_indirect_read_config for PCIe */ + hose->ops = &fsl_indirect_pcie_ops; /* For PCIE read HEADER_TYPE to identify controler mode */ early_read_config_byte(hose, 0, 0, PCI_HEADER_TYPE, &hdr_type); if ((hdr_type & 0x7f) != PCI_HEADER_TYPE_BRIDGE) @@ -814,8 +808,8 @@ int __init mpc83xx_add_bridge(struct device_node *dev) if (ret) goto err0; } else { - fsl_setup_indirect_pci(hose, rsrc_cfg.start, - rsrc_cfg.start + 4, 0); + setup_indirect_pci(hose, rsrc_cfg.start, + rsrc_cfg.start + 4, 0); } printk(KERN_INFO "Found FSL PCI host bridge at 0x%016llx. " |
