diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-07-01 07:57:25 (GMT) |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-07-01 07:57:25 (GMT) |
commit | 24a72acac155576d630cf4304fa9cefb9b62ea1f (patch) | |
tree | 84d09427b319c613512316c658a3f6d6d8fe3dd1 /arch/powerpc/kernel | |
parent | 6e0b8bc965d25a8e0701eaca3fca5941b4f4b2b2 (diff) | |
parent | 8bb495e3f02401ee6f76d1b1d77f3ac9f079e376 (diff) | |
download | linux-fsl-qoriq-24a72acac155576d630cf4304fa9cefb9b62ea1f.tar.xz |
Merge tag 'v3.10' into next
Merge 3.10 in order to get some of the last minute powerpc
changes, resolve conflicts and add additional fixes on top
of them.
Diffstat (limited to 'arch/powerpc/kernel')
-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 |
6 files changed, 28 insertions, 11 deletions
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 f8a76e6..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(); |