diff options
78 files changed, 491 insertions, 229 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 21c038f216e3..6c2079270791 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1368,6 +1368,9 @@ T: git git://git.xilinx.com/linux-xlnx.git S: Supported F: arch/arm/mach-zynq/ F: drivers/cpuidle/cpuidle-zynq.c +N: zynq +N: xilinx +F: drivers/clocksource/cadence_ttc_timer.c ARM SMMU DRIVER M: Will Deacon <will.deacon@arm.com> @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 13 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = -rc7 NAME = One Giant Leap for Frogkind # *DOCUMENTATION* diff --git a/arch/arm/crypto/aesbs-core.S_shipped b/arch/arm/crypto/aesbs-core.S_shipped index 64205d453260..71e5fc7cfb18 100644 --- a/arch/arm/crypto/aesbs-core.S_shipped +++ b/arch/arm/crypto/aesbs-core.S_shipped @@ -58,7 +58,7 @@ # define VFP_ABI_FRAME 0 # define BSAES_ASM_EXTENDED_KEY # define XTS_CHAIN_TWEAK -# define __ARM_ARCH__ __LINUX_ARM_ARCH__ +# define __ARM_ARCH__ 7 #endif #ifdef __thumb__ diff --git a/arch/arm/crypto/bsaes-armv7.pl b/arch/arm/crypto/bsaes-armv7.pl index f3d96d932573..be068db960ee 100644 --- a/arch/arm/crypto/bsaes-armv7.pl +++ b/arch/arm/crypto/bsaes-armv7.pl @@ -701,7 +701,7 @@ $code.=<<___; # define VFP_ABI_FRAME 0 # define BSAES_ASM_EXTENDED_KEY # define XTS_CHAIN_TWEAK -# define __ARM_ARCH__ __LINUX_ARM_ARCH__ +# define __ARM_ARCH__ 7 #endif #ifdef __thumb__ diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 3c597c222ef2..fbeb39c869e9 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -329,7 +329,7 @@ extern void _memset_io(volatile void __iomem *, int, size_t); */ #define ioremap(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) #define ioremap_nocache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE) -#define ioremap_cached(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED) +#define ioremap_cache(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_CACHED) #define ioremap_wc(cookie,size) __arm_ioremap((cookie), (size), MT_DEVICE_WC) #define iounmap __arm_iounmap diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 6976b03e5213..8756e4bcdba0 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -347,7 +347,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define ARCH_PFN_OFFSET PHYS_PFN_OFFSET #define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) +#define virt_addr_valid(kaddr) (((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory) \ + && pfn_valid(__pa(kaddr) >> PAGE_SHIFT) ) #endif diff --git a/arch/arm/include/asm/xen/page.h b/arch/arm/include/asm/xen/page.h index 75579a9d6f76..3759cacdd7f8 100644 --- a/arch/arm/include/asm/xen/page.h +++ b/arch/arm/include/asm/xen/page.h @@ -117,6 +117,6 @@ static inline bool set_phys_to_machine(unsigned long pfn, unsigned long mfn) return __set_phys_to_machine(pfn, mfn); } -#define xen_remap(cookie, size) ioremap_cached((cookie), (size)); +#define xen_remap(cookie, size) ioremap_cache((cookie), (size)); #endif /* _ASM_ARM_XEN_PAGE_H */ diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 7940241f0576..6eda3bf85c52 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -36,7 +36,13 @@ #include <asm/system_misc.h> #include <asm/opcodes.h> -static const char *handler[]= { "prefetch abort", "data abort", "address exception", "interrupt" }; +static const char *handler[]= { + "prefetch abort", + "data abort", + "address exception", + "interrupt", + "undefined instruction", +}; void *vectors_page; diff --git a/arch/arm/mach-footbridge/dc21285-timer.c b/arch/arm/mach-footbridge/dc21285-timer.c index 9ee78f7b4990..782f6c71fa0a 100644 --- a/arch/arm/mach-footbridge/dc21285-timer.c +++ b/arch/arm/mach-footbridge/dc21285-timer.c @@ -96,11 +96,12 @@ static struct irqaction footbridge_timer_irq = { void __init footbridge_timer_init(void) { struct clock_event_device *ce = &ckevt_dc21285; + unsigned rate = DIV_ROUND_CLOSEST(mem_fclk_21285, 16); - clocksource_register_hz(&cksrc_dc21285, (mem_fclk_21285 + 8) / 16); + clocksource_register_hz(&cksrc_dc21285, rate); setup_irq(ce->irq, &footbridge_timer_irq); ce->cpumask = cpumask_of(smp_processor_id()); - clockevents_config_and_register(ce, mem_fclk_21285, 0x4, 0xffffff); + clockevents_config_and_register(ce, rate, 0x4, 0xffffff); } diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 6d5ba9afb16a..3387e60e4ea3 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -175,16 +175,16 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page) unsigned long i; if (cache_is_vipt_nonaliasing()) { for (i = 0; i < (1 << compound_order(page)); i++) { - void *addr = kmap_atomic(page); + void *addr = kmap_atomic(page + i); __cpuc_flush_dcache_area(addr, PAGE_SIZE); kunmap_atomic(addr); } } else { for (i = 0; i < (1 << compound_order(page)); i++) { - void *addr = kmap_high_get(page); + void *addr = kmap_high_get(page + i); if (addr) { __cpuc_flush_dcache_area(addr, PAGE_SIZE); - kunmap_high(page); + kunmap_high(page + i); } } } diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 1e1a03d2d19f..e9f312532526 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -135,7 +135,6 @@ config S390 select HAVE_SYSCALL_TRACEPOINTS select HAVE_UID16 if 32BIT select HAVE_VIRT_CPU_ACCOUNTING - select INIT_ALL_POSSIBLE select KTIME_SCALAR if 32BIT select MODULES_USE_ELF_RELA select OLD_SIGACTION diff --git a/arch/s390/include/asm/smp.h b/arch/s390/include/asm/smp.h index ac9bed8e103f..160779394096 100644 --- a/arch/s390/include/asm/smp.h +++ b/arch/s390/include/asm/smp.h @@ -31,6 +31,7 @@ extern void smp_yield(void); extern void smp_stop_cpu(void); extern void smp_cpu_set_polarization(int cpu, int val); extern int smp_cpu_get_polarization(int cpu); +extern void smp_fill_possible_mask(void); #else /* CONFIG_SMP */ @@ -50,6 +51,7 @@ static inline int smp_vcpu_scheduled(int cpu) { return 1; } static inline void smp_yield_cpu(int cpu) { } static inline void smp_yield(void) { } static inline void smp_stop_cpu(void) { } +static inline void smp_fill_possible_mask(void) { } #endif /* CONFIG_SMP */ diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 4444875266ee..0f3d44ecbfc6 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -1023,6 +1023,7 @@ void __init setup_arch(char **cmdline_p) setup_vmcoreinfo(); setup_lowcore(); + smp_fill_possible_mask(); cpu_init(); s390_init_cpu_topology(); diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index dc4a53465060..958704798f4a 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -721,18 +721,14 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle) return 0; } -static int __init setup_possible_cpus(char *s) -{ - int max, cpu; +static unsigned int setup_possible_cpus __initdata; - if (kstrtoint(s, 0, &max) < 0) - return 0; - init_cpu_possible(cpumask_of(0)); - for (cpu = 1; cpu < max && cpu < nr_cpu_ids; cpu++) - set_cpu_possible(cpu, true); +static int __init _setup_possible_cpus(char *s) +{ + get_option(&s, &setup_possible_cpus); return 0; } -early_param("possible_cpus", setup_possible_cpus); +early_param("possible_cpus", _setup_possible_cpus); #ifdef CONFIG_HOTPLUG_CPU @@ -775,6 +771,17 @@ void __noreturn cpu_die(void) #endif /* CONFIG_HOTPLUG_CPU */ +void __init smp_fill_possible_mask(void) +{ + unsigned int possible, cpu; + + possible = setup_possible_cpus; + if (!possible) + possible = MACHINE_IS_VM ? 64 : nr_cpu_ids; + for (cpu = 0; cpu < possible && cpu < nr_cpu_ids; cpu++) + set_cpu_possible(cpu, true); +} + void __init smp_prepare_cpus(unsigned int max_cpus) { /* request the 0x1201 emergency signal external interrupt */ diff --git a/arch/s390/pci/pci_event.c b/arch/s390/pci/pci_event.c index 800f064b0da7..069607209a30 100644 --- a/arch/s390/pci/pci_event.c +++ b/arch/s390/pci/pci_event.c @@ -75,6 +75,7 @@ void zpci_event_availability(void *data) if (!zdev || zdev->state == ZPCI_FN_STATE_CONFIGURED) break; zdev->state = ZPCI_FN_STATE_CONFIGURED; + zdev->fh = ccdf->fh; ret = zpci_enable_device(zdev); if (ret) break; @@ -101,6 +102,7 @@ void zpci_event_availability(void *data) if (pdev) pci_stop_and_remove_bus_device(pdev); + zdev->fh = ccdf->fh; zpci_disable_device(zdev); zdev->state = ZPCI_FN_STATE_STANDBY; break; diff --git a/arch/sh/kernel/sh_ksyms_32.c b/arch/sh/kernel/sh_ksyms_32.c index 2a0a596ebf67..d77f2f6c7ff0 100644 --- a/arch/sh/kernel/sh_ksyms_32.c +++ b/arch/sh/kernel/sh_ksyms_32.c @@ -20,6 +20,11 @@ EXPORT_SYMBOL(csum_partial_copy_generic); EXPORT_SYMBOL(copy_page); EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(empty_zero_page); +#ifdef CONFIG_FLATMEM +/* need in pfn_valid macro */ +EXPORT_SYMBOL(min_low_pfn); +EXPORT_SYMBOL(max_low_pfn); +#endif #define DECLARE_EXPORT(name) \ extern void name(void);EXPORT_SYMBOL(name) diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index e562d3caee57..ad7e178337f1 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -262,8 +262,8 @@ extern unsigned long __must_check __clear_user(void __user *, unsigned long); extern __must_check long strlen_user(const char __user *str); extern __must_check long strnlen_user(const char __user *str, long n); -#define __copy_to_user_inatomic ___copy_to_user -#define __copy_from_user_inatomic ___copy_from_user +#define __copy_to_user_inatomic __copy_to_user +#define __copy_from_user_inatomic __copy_from_user struct pt_regs; extern unsigned long compute_effective_address(struct pt_regs *, diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c index 070ed141aac7..76663b019eb5 100644 --- a/arch/sparc/kernel/iommu.c +++ b/arch/sparc/kernel/iommu.c @@ -854,7 +854,7 @@ int dma_supported(struct device *dev, u64 device_mask) return 1; #ifdef CONFIG_PCI - if (dev->bus == &pci_bus_type) + if (dev_is_pci(dev)) return pci64_dma_supported(to_pci_dev(dev), device_mask); #endif diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 2096468de9b2..e7e215dfa866 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -666,10 +666,9 @@ EXPORT_SYMBOL(dma_ops); */ int dma_supported(struct device *dev, u64 mask) { -#ifdef CONFIG_PCI - if (dev->bus == &pci_bus_type) + if (dev_is_pci(dev)) return 1; -#endif + return 0; } EXPORT_SYMBOL(dma_supported); diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index 60b19f50c80a..b45fe3fb4d2c 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -6,6 +6,7 @@ #include <linux/kgdb.h> #include <linux/kdebug.h> #include <linux/ftrace.h> +#include <linux/context_tracking.h> #include <asm/cacheflush.h> #include <asm/kdebug.h> diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c index b66a5338231e..b085311dcd0e 100644 --- a/arch/sparc/kernel/smp_64.c +++ b/arch/sparc/kernel/smp_64.c @@ -123,11 +123,12 @@ void smp_callin(void) rmb(); set_cpu_online(cpuid, true); - local_irq_enable(); /* idle thread is expected to have preempt disabled */ preempt_disable(); + local_irq_enable(); + cpu_startup_entry(CPUHP_ONLINE); } diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index dec48bfaddb8..1673940cf9c3 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1350,6 +1350,10 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) return; } + if (!kvm_vcpu_is_bsp(apic->vcpu)) + value &= ~MSR_IA32_APICBASE_BSP; + vcpu->arch.apic_base = value; + /* update jump label if enable bit changes */ if ((vcpu->arch.apic_base ^ value) & MSR_IA32_APICBASE_ENABLE) { if (value & MSR_IA32_APICBASE_ENABLE) @@ -1359,10 +1363,6 @@ void kvm_lapic_set_base(struct kvm_vcpu *vcpu, u64 value) recalculate_apic_map(vcpu->kvm); } - if (!kvm_vcpu_is_bsp(apic->vcpu)) - value &= ~MSR_IA32_APICBASE_BSP; - - vcpu->arch.apic_base = value; if ((old_value ^ value) & X2APIC_ENABLE) { if (value & X2APIC_ENABLE) { u32 id = kvm_apic_id(apic); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index b2fe1c252f35..da7837e1349d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -8283,8 +8283,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu, vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK); kvm_set_cr4(vcpu, vmcs12->host_cr4); - if (nested_cpu_has_ept(vmcs12)) - nested_ept_uninit_mmu_context(vcpu); + nested_ept_uninit_mmu_context(vcpu); kvm_set_cr3(vcpu, vmcs12->host_cr3); kvm_mmu_reset_context(vcpu); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index bba9b72e25f8..0710004055c8 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -156,6 +156,16 @@ int acpi_bus_get_private_data(acpi_handle handle, void **data) } EXPORT_SYMBOL(acpi_bus_get_private_data); +void acpi_bus_no_hotplug(acpi_handle handle) +{ + struct acpi_device *adev = NULL; + + acpi_bus_get_device(handle, &adev); + if (adev) + adev->flags.no_hotplug = true; +} +EXPORT_SYMBOL_GPL(acpi_bus_no_hotplug); + static void acpi_print_osc_error(acpi_handle handle, struct acpi_osc_context *context, char *error) { diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 16d7b4ac94be..8d19f7c06010 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -839,9 +839,6 @@ static void cpufreq_init_policy(struct cpufreq_policy *policy) /* set default policy */ ret = cpufreq_set_policy(policy, &new_policy); - policy->user_policy.policy = policy->policy; - policy->user_policy.governor = policy->governor; - if (ret) { pr_debug("setting policy failed\n"); if (cpufreq_driver->exit) @@ -1016,15 +1013,17 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, read_unlock_irqrestore(&cpufreq_driver_lock, flags); #endif - if (frozen) - /* Restore the saved policy when doing light-weight init */ - policy = cpufreq_policy_restore(cpu); - else + /* + * Restore the saved policy when doing light-weight init and fall back + * to the full init if that fails. + */ + policy = frozen ? cpufreq_policy_restore(cpu) : NULL; + if (!policy) { + frozen = false; policy = cpufreq_policy_alloc(); - - if (!policy) - goto nomem_out; - + if (!policy) + goto nomem_out; + } /* * In the resume path, since we restore a saved policy, the assignment @@ -1069,8 +1068,10 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, */ cpumask_and(policy->cpus, policy->cpus, cpu_online_mask); - policy->user_policy.min = policy->min; - policy->user_policy.max = policy->max; + if (!frozen) { + policy->user_policy.min = policy->min; + policy->user_policy.max = policy->max; + } blocking_notifier_call_chain(&cpufreq_policy_notifier_list, CPUFREQ_START, policy); @@ -1101,6 +1102,11 @@ static int __cpufreq_add_dev(struct device *dev, struct subsys_interface *sif, cpufreq_init_policy(policy); + if (!frozen) { + policy->user_policy.policy = policy->policy; + policy->user_policy.governor = policy->governor; + } + kobject_uevent(&policy->kobj, KOBJ_ADD); up_read(&cpufreq_rwsem); @@ -1118,8 +1124,11 @@ err_get_freq: if (cpufreq_driver->exit) cpufreq_driver->exit(policy); err_set_policy_cpu: - if (frozen) + if (frozen) { + /* Do not leave stale fallback data behind. */ + per_cpu(cpufreq_cpu_data_fallback, cpu) = NULL; cpufreq_policy_put_kobj(policy); + } cpufreq_policy_free(policy); nomem_out: diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 5f1cbae36961..f9d561e198ab 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -614,6 +614,11 @@ static int intel_pstate_init_cpu(unsigned int cpunum) cpu = all_cpu_data[cpunum]; intel_pstate_get_cpu_pstates(cpu); + if (!cpu->pstate.current_pstate) { + all_cpu_data[cpunum] = NULL; + kfree(cpu); + return -ENODATA; + } cpu->cpu = cpunum; diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c index 36795639df0d..6e51114057d0 100644 --- a/drivers/cpuidle/cpuidle-calxeda.c +++ b/drivers/cpuidle/cpuidle-calxeda.c @@ -65,7 +65,7 @@ static struct cpuidle_driver calxeda_idle_driver = { .state_count = 2, }; -static int __init calxeda_cpuidle_probe(struct platform_device *pdev) +static int calxeda_cpuidle_probe(struct platform_device *pdev) { return cpuidle_register(&calxeda_idle_driver, NULL); } diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index 9dd6e01eac33..f757a0f428bd 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -1410,14 +1410,12 @@ static const struct platform_device_info ixp_dev_info __initdata = { static int __init ixp_module_init(void) { int num = ARRAY_SIZE(ixp4xx_algos); - int i, err ; + int i, err; pdev = platform_device_register_full(&ixp_dev_info); if (IS_ERR(pdev)) return PTR_ERR(pdev); - dev = &pdev->dev; - spin_lock_init(&desc_lock); spin_lock_init(&emerg_lock); diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 1a49c777607c..87529181efcc 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -817,7 +817,15 @@ int ioat_dma_self_test(struct ioatdma_device *device) } dma_src = dma_map_single(dev, src, IOAT_TEST_SIZE, DMA_TO_DEVICE); + if (dma_mapping_error(dev, dma_src)) { + dev_err(dev, "mapping src buffer failed\n"); + goto free_resources; + } dma_dest = dma_map_single(dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, dma_dest)) { + dev_err(dev, "mapping dest buffer failed\n"); + goto unmap_src; + } flags = DMA_PREP_INTERRUPT; tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src, IOAT_TEST_SIZE, flags); @@ -855,8 +863,9 @@ int ioat_dma_self_test(struct ioatdma_device *device) } unmap_dma: - dma_unmap_single(dev, dma_src, IOAT_TEST_SIZE, DMA_TO_DEVICE); dma_unmap_single(dev, dma_dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); +unmap_src: + dma_unmap_single(dev, dma_src, IOAT_TEST_SIZE, DMA_TO_DEVICE); free_resources: dma->device_free_chan_resources(dma_chan); out: diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c index 95c740454049..ba0183fb84f3 100644 --- a/drivers/gpu/drm/nouveau/nouveau_acpi.c +++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c @@ -51,6 +51,7 @@ static struct nouveau_dsm_priv { bool dsm_detected; bool optimus_detected; acpi_handle dhandle; + acpi_handle other_handle; acpi_handle rom_handle; } nouveau_dsm_priv; @@ -260,9 +261,10 @@ static int nouveau_dsm_pci_probe(struct pci_dev *pdev) if (!dhandle) return false; - if (!acpi_has_method(dhandle, "_DSM")) + if (!acpi_has_method(dhandle, "_DSM")) { + nouveau_dsm_priv.other_handle = dhandle; return false; - + } if (nouveau_test_dsm(dhandle, nouveau_dsm, NOUVEAU_DSM_POWER)) retval |= NOUVEAU_DSM_HAS_MUX; @@ -338,6 +340,16 @@ static bool nouveau_dsm_detect(void) printk(KERN_INFO "VGA switcheroo: detected DSM switching method %s handle\n", acpi_method_name); nouveau_dsm_priv.dsm_detected = true; + /* + * On some systems hotplug events are generated for the device + * being switched off when _DSM is executed. They cause ACPI + * hotplug to trigger and attempt to remove the device from + * the system, which causes it to break down. Prevent that from + * happening by setting the no_hotplug flag for the involved + * ACPI device objects. + */ + acpi_bus_no_hotplug(nouveau_dsm_priv.dhandle); + acpi_bus_no_hotplug(nouveau_dsm_priv.other_handle); ret = true; } diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index b1970596a782..0b9621c9aeea 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1143,31 +1143,53 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, } if (tiling_flags & RADEON_TILING_MACRO) { - if (rdev->family >= CHIP_BONAIRE) - tmp = rdev->config.cik.tile_config; - else if (rdev->family >= CHIP_TAHITI) - tmp = rdev->config.si.tile_config; - else if (rdev->family >= CHIP_CAYMAN) - tmp = rdev->config.cayman.tile_config; - else - tmp = rdev->config.evergreen.tile_config; + evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); - switch ((tmp & 0xf0) >> 4) { - case 0: /* 4 banks */ - fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); - break; - case 1: /* 8 banks */ - default: - fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); - break; - case 2: /* 16 banks */ - fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); - break; + /* Set NUM_BANKS. */ + if (rdev->family >= CHIP_BONAIRE) { + unsigned tileb, index, num_banks, tile_split_bytes; + + /* Calculate the macrotile mode index. */ + tile_split_bytes = 64 << tile_split; + tileb = 8 * 8 * target_fb->bits_per_pixel / 8; + tileb = min(tile_split_bytes, tileb); + + for (index = 0; tileb > 64; index++) { + tileb >>= 1; + } + + if (index >= 16) { + DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n", + target_fb->bits_per_pixel, tile_split); + return -EINVAL; + } + + num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; + fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); + } else { + /* SI and older. */ + if (rdev->family >= CHIP_TAHITI) + tmp = rdev->config.si.tile_config; + else if (rdev->family >= CHIP_CAYMAN) + tmp = rdev->config.cayman.tile_config; + else + tmp = rdev->config.evergreen.tile_config; + + switch ((tmp & 0xf0) >> 4) { + case 0: /* 4 banks */ + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); + break; + case 1: /* 8 banks */ + default: + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); + break; + case 2: /* 16 banks */ + fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); + break; + } } fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1); - - evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split); fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw); fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh); @@ -1180,19 +1202,12 @@ static int dce4_crtc_do_set_base(struct drm_crtc *crtc, fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); if (rdev->family >= CHIP_BONAIRE) { - u32 num_pipe_configs = rdev->config.cik.max_tile_pipes; - u32 num_rb = rdev->config.cik.max_backends_per_se; - if (num_pipe_configs > 8) - num_pipe_configs = 8; - if (num_pipe_configs == 8) - fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P8_32x32_16x16); - else if (num_pipe_configs == 4) { - if (num_rb == 4) - fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_16x16); - else if (num_rb < 4) - fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P4_8x16); - } else if (num_pipe_configs == 2) - fb_format |= CIK_GRPH_PIPE_CONFIG(CIK_ADDR_SURF_P2); + /* Read the pipe config from the 2D TILED SCANOUT mode. + * It should be the same for the other modes too, but not all + * modes set the pipe config field. */ + u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f; + + fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config); } else if ((rdev->family == CHIP_TAHITI) || (rdev->family == CHIP_PITCAIRN)) fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16); diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index b43a3a3c9067..e950fabd7f5e 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -3057,7 +3057,7 @@ static u32 cik_create_bitmask(u32 bit_width) * Returns the disabled RB bitmask. */ static u32 cik_get_rb_disabled(struct radeon_device *rdev, - u32 max_rb_num, u32 se_num, + u32 max_rb_num_per_se, u32 sh_per_se) { u32 data, mask; @@ -3071,7 +3071,7 @@ static u32 cik_get_rb_disabled(struct radeon_device *rdev, data >>= BACKEND_DISABLE_SHIFT; - mask = cik_create_bitmask(max_rb_num / se_num / sh_per_se); + mask = cik_create_bitmask(max_rb_num_per_se / sh_per_se); return data & mask; } @@ -3088,7 +3088,7 @@ static u32 cik_get_rb_disabled(struct radeon_device *rdev, */ static void cik_setup_rb(struct radeon_device *rdev, u32 se_num, u32 sh_per_se, - u32 max_rb_num) + u32 max_rb_num_per_se) { int i, j; u32 data, mask; @@ -3098,7 +3098,7 @@ static void cik_setup_rb(struct radeon_device *rdev, for (i = 0; i < se_num; i++) { for (j = 0; j < sh_per_se; j++) { cik_select_se_sh(rdev, i, j); - data = cik_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se); + data = cik_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se); if (rdev->family == CHIP_HAWAII) disabled_rbs |= data << ((i * sh_per_se + j) * HAWAII_RB_BITMAP_WIDTH_PER_SH); else @@ -3108,12 +3108,14 @@ static void cik_setup_rb(struct radeon_device *rdev, cik_select_se_sh(rdev, 0xffffffff, 0xffffffff); mask = 1; - for (i = 0; i < max_rb_num; i++) { + for (i = 0; i < max_rb_num_per_se * se_num; i++) { if (!(disabled_rbs & mask)) enabled_rbs |= mask; mask <<= 1; } + rdev->config.cik.backend_enable_mask = enabled_rbs; + for (i = 0; i < se_num; i++) { cik_select_se_sh(rdev, i, 0xffffffff); data = 0; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index b1f990d0eaa1..45e1f447bc79 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -1940,7 +1940,7 @@ struct si_asic { unsigned sc_earlyz_tile_fifo_size; unsigned num_tile_pipes; - unsigned num_backends_per_se; + unsigned backend_enable_mask; unsigned backend_disable_mask_per_asic; unsigned backend_map; unsigned num_texture_channel_caches; @@ -1970,7 +1970,7 @@ struct cik_asic { unsigned sc_earlyz_tile_fifo_size; unsigned num_tile_pipes; - unsigned num_backends_per_se; + unsigned backend_enable_mask; unsigned backend_disable_mask_per_asic; unsigned backend_map; unsigned num_texture_channel_caches; diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 9d302eaeea15..485848f889f5 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -33,6 +33,7 @@ static struct radeon_atpx_priv { bool atpx_detected; /* handle for device - and atpx */ acpi_handle dhandle; + acpi_handle other_handle; struct radeon_atpx atpx; } radeon_atpx_priv; @@ -451,9 +452,10 @@ static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev) return false; status = acpi_get_handle(dhandle, "ATPX", &atpx_handle); - if (ACPI_FAILURE(status)) + if (ACPI_FAILURE(status)) { + radeon_atpx_priv.other_handle = dhandle; return false; - + } radeon_atpx_priv.dhandle = dhandle; radeon_atpx_priv.atpx.handle = atpx_handle; return true; @@ -530,6 +532,16 @@ static bool radeon_atpx_detect(void) printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n", acpi_method_name); radeon_atpx_priv.atpx_detected = true; + /* + * On some systems hotplug events are generated for the device + * being switched off when ATPX is executed. They cause ACPI + * hotplug to trigger and attempt to remove the device from + * the system, which causes it to break down. Prevent that from + * happening by setting the no_hotplug flag for the involved + * ACPI device objects. + */ + acpi_bus_no_hotplug(radeon_atpx_priv.dhandle); + acpi_bus_no_hotplug(radeon_atpx_priv.other_handle); return true; } return false; diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index 1958b36ad0e5..db39ea36bf22 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -77,9 +77,10 @@ * 2.33.0 - Add SI tiling mode array query * 2.34.0 - Add CIK tiling mode array query * 2.35.0 - Add CIK macrotile mode array query + * 2.36.0 - Fix CIK DCE tiling setup */ #define KMS_DRIVER_MAJOR 2 -#define KMS_DRIVER_MINOR 35 +#define KMS_DRIVER_MINOR 36 #define KMS_DRIVER_PATCHLEVEL 0 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); int radeon_driver_unload_kms(struct drm_device *dev); diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index 55d0b474bd37..21d593c0ecaf 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -461,6 +461,15 @@ int radeon_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp) case RADEON_INFO_SI_CP_DMA_COMPUTE: *value = 1; break; + case RADEON_INFO_SI_BACKEND_ENABLED_MASK: + if (rdev->family >= CHIP_BONAIRE) { + *value = rdev->config.cik.backend_enable_mask; + } else if (rdev->family >= CHIP_TAHITI) { + *value = rdev->config.si.backend_enable_mask; + } else { + DRM_DEBUG_KMS("BACKEND_ENABLED_MASK is si+ only!\n"); + } + break; default: DRM_DEBUG_KMS("Invalid request %d\n", info->request); return -EINVAL; diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 373d088bac66..b9c0529b4a2e 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -473,7 +473,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p, return -EINVAL; } - if ((start >> 28) != (end >> 28)) { + if ((start >> 28) != ((end - 1) >> 28)) { DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n", start, end); return -EINVAL; diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index a36736dab5e0..85e1edfaa3be 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2811,7 +2811,7 @@ static void si_setup_spi(struct radeon_device *rdev, } static u32 si_get_rb_disabled(struct radeon_device *rdev, - u32 max_rb_num, u32 se_num, + u32 max_rb_num_per_se, u32 sh_per_se) { u32 data, mask; @@ -2825,14 +2825,14 @@ static u32 si_get_rb_disabled(struct radeon_device *rdev, data >>= BACKEND_DISABLE_SHIFT; - mask = si_create_bitmask(max_rb_num / se_num / sh_per_se); + mask = si_create_bitmask(max_rb_num_per_se / sh_per_se); return data & mask; } static void si_setup_rb(struct radeon_device *rdev, u32 se_num, u32 sh_per_se, - u32 max_rb_num) + u32 max_rb_num_per_se) { int i, j; u32 data, mask; @@ -2842,19 +2842,21 @@ static void si_setup_rb(struct radeon_device *rdev, for (i = 0; i < se_num; i++) { for (j = 0; j < sh_per_se; j++) { si_select_se_sh(rdev, i, j); - data = si_get_rb_disabled(rdev, max_rb_num, se_num, sh_per_se); + data = si_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se); disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH); } } si_select_se_sh(rdev, 0xffffffff, 0xffffffff); mask = 1; - for (i = 0; i < max_rb_num; i++) { + for (i = 0; i < max_rb_num_per_se * se_num; i++) { if (!(disabled_rbs & mask)) enabled_rbs |= mask; mask <<= 1; } + rdev->config.si.backend_enable_mask = enabled_rbs; + for (i = 0; i < se_num; i++) { si_select_se_sh(rdev, i, 0xffffffff); data = 0; diff --git a/drivers/input/input.c b/drivers/input/input.c index 846ccdd905b1..d2965e4b3224 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1871,6 +1871,10 @@ void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int break; case EV_ABS: + input_alloc_absinfo(dev); + if (!dev->absinfo) + return; + __set_bit(code, dev->absbit); break; diff --git a/drivers/input/touchscreen/zforce_ts.c b/drivers/input/touchscreen/zforce_ts.c index 75762d6ff3ba..aa127ba392a4 100644 --- a/drivers/input/touchscreen/zforce_ts.c +++ b/drivers/input/touchscreen/zforce_ts.c @@ -455,7 +455,18 @@ static void zforce_complete(struct zforce_ts *ts, int cmd, int result) } } -static irqreturn_t zforce_interrupt(int irq, void *dev_id) +static irqreturn_t zforce_irq(int irq, void *dev_id) +{ + struct zforce_ts *ts = dev_id; + struct i2c_client *client = ts->client; + + if (ts->suspended && device_may_wakeup(&client->dev)) + pm_wakeup_event(&client->dev, 500); + + return IRQ_WAKE_THREAD; +} + +static irqreturn_t zforce_irq_thread(int irq, void *dev_id) { struct zforce_ts *ts = dev_id; struct i2c_client *client = ts->client; @@ -465,12 +476,10 @@ static irqreturn_t zforce_interrupt(int irq, void *dev_id) u8 *payload; /* - * When suspended, emit a wakeup signal if necessary and return. + * When still suspended, return. * Due to the level-interrupt we will get re-triggered later. */ if (ts->suspended) { - if (device_may_wakeup(&client->dev)) - pm_wakeup_event(&client->dev, 500); msleep(20); return IRQ_HANDLED; } @@ -763,8 +772,8 @@ static int zforce_probe(struct i2c_client *client, * Therefore we can trigger the interrupt anytime it is low and do * not need to limit it to the interrupt edge. */ - ret = devm_request_threaded_irq(&client->dev, client->irq, NULL, - zforce_interrupt, + ret = devm_request_threaded_irq(&client->dev, client->irq, + zforce_irq, zforce_irq_thread, IRQF_TRIGGER_LOW | IRQF_ONESHOT, input_dev->name, ts); if (ret) { diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c index 497bd026c237..4a4825528188 100644 --- a/drivers/isdn/hisax/hfc_pci.c +++ b/drivers/isdn/hisax/hfc_pci.c @@ -1643,10 +1643,6 @@ setup_hfcpci(struct IsdnCard *card) int i; struct pci_dev *tmp_hfcpci = NULL; -#ifdef __BIG_ENDIAN -#error "not running on big endian machines now" -#endif - strcpy(tmp, hfcpci_revision); printk(KERN_INFO "HiSax: HFC-PCI driver Rev. %s\n", HiSax_getrev(tmp)); diff --git a/drivers/isdn/hisax/telespci.c b/drivers/isdn/hisax/telespci.c index f6ab63aa6995..33eeb4602c7e 100644 --- a/drivers/isdn/hisax/telespci.c +++ b/drivers/isdn/hisax/telespci.c @@ -290,10 +290,6 @@ int setup_telespci(struct IsdnCard *card) struct IsdnCardState *cs = card->cs; char tmp[64]; -#ifdef __BIG_ENDIAN -#error "not running on big endian machines now" -#endif - strcpy(tmp, telespci_revision); printk(KERN_INFO "HiSax: Teles/PCI driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_TELESPCI) diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c index d210d131fef2..0f55589a56b8 100644 --- a/drivers/mtd/maps/pxa2xx-flash.c +++ b/drivers/mtd/maps/pxa2xx-flash.c @@ -73,7 +73,7 @@ static int pxa2xx_flash_probe(struct platform_device *pdev) return -ENOMEM; } info->map.cached = - ioremap_cached(info->map.phys, info->map.size); + ioremap_cache(info->map.phys, info->map.size); if (!info->map.cached) printk(KERN_WARNING "Failed to ioremap cached %s\n", info->map.name); diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index 5878df619b53..4ccaf9af6fc9 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -104,6 +104,7 @@ static inline char *nic_name(struct pci_dev *pdev) #define BE3_MAX_RSS_QS 16 #define BE3_MAX_TX_QS 16 #define BE3_MAX_EVT_QS 16 +#define BE3_SRIOV_MAX_EVT_QS 8 #define MAX_RX_QS 32 #define MAX_EVT_QS 32 @@ -480,7 +481,7 @@ struct be_adapter { struct list_head entry; u32 flash_status; - struct completion flash_compl; + struct completion et_cmd_compl; struct be_resources res; /* resources available for the func */ u16 num_vfs; /* Number of VFs provisioned by PF */ diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index e0e8bc1ef14c..94c35c8d799d 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -141,11 +141,17 @@ static int be_mcc_compl_process(struct be_adapter *adapter, subsystem = resp_hdr->subsystem; } + if (opcode == OPCODE_LOWLEVEL_LOOPBACK_TEST && + subsystem == CMD_SUBSYSTEM_LOWLEVEL) { + complete(&adapter->et_cmd_compl); + return 0; + } + if (((opcode == OPCODE_COMMON_WRITE_FLASHROM) || (opcode == OPCODE_COMMON_WRITE_OBJECT)) && (subsystem == CMD_SUBSYSTEM_COMMON)) { adapter->flash_status = compl_status; - complete(&adapter->flash_compl); + complete(&adapter->et_cmd_compl); } if (compl_status == MCC_STATUS_SUCCESS) { @@ -2017,6 +2023,9 @@ int be_cmd_rss_config(struct be_adapter *adapter, u8 *rsstable, 0x3ea83c02, 0x4a110304}; int status; + if (!(be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS)) + return 0; + if (mutex_lock_interruptible(&adapter->mbox_lock)) return -1; @@ -2160,7 +2169,7 @@ int lancer_cmd_write_object(struct be_adapter *adapter, struct be_dma_mem *cmd, be_mcc_notify(adapter); spin_unlock_bh(&adapter->mcc_lock); - if (!wait_for_completion_timeout(&adapter->flash_compl, + if (!wait_for_completion_timeout(&adapter->et_cmd_compl, msecs_to_jiffies(60000))) status = -1; else @@ -2255,8 +2264,8 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd, be_mcc_notify(adapter); spin_unlock_bh(&adapter->mcc_lock); - if (!wait_for_completion_timeout(&adapter->flash_compl, - msecs_to_jiffies(40000))) + if (!wait_for_completion_timeout(&adapter->et_cmd_compl, + msecs_to_jiffies(40000))) status = -1; else status = adapter->flash_status; @@ -2367,6 +2376,7 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num, { struct be_mcc_wrb *wrb; struct be_cmd_req_loopback_test *req; + struct be_cmd_resp_loopback_test *resp; int status; spin_lock_bh(&adapter->mcc_lock); @@ -2381,8 +2391,8 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num, be_wrb_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_LOWLEVEL, OPCODE_LOWLEVEL_LOOPBACK_TEST, sizeof(*req), wrb, NULL); - req->hdr.timeout = cpu_to_le32(4); + req->hdr.timeout = cpu_to_le32(15); req->pattern = cpu_to_le64(pattern); req->src_port = cpu_to_le32(port_num); req->dest_port = cpu_to_le32(port_num); @@ -2390,12 +2400,15 @@ int be_cmd_loopback_test(struct be_adapter *adapter, u32 port_num, req->num_pkts = cpu_to_le32(num_pkts); req->loopback_type = cpu_to_le32(loopback_type); - status = be_mcc_notify_wait(adapter); - if (!status) { - struct be_cmd_resp_loopback_test *resp = embedded_payload(wrb); - status = le32_to_cpu(resp->status); - } + be_mcc_notify(adapter); + + spin_unlock_bh(&adapter->mcc_lock); + wait_for_completion(&adapter->et_cmd_compl); + resp = embedded_payload(wrb); + status = le32_to_cpu(resp->status); + + return status; err: spin_unlock_bh(&adapter->mcc_lock); return status; diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 0fde69d5cb6a..bf40fdaecfa3 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -2744,13 +2744,16 @@ static int be_rx_qs_create(struct be_adapter *adapter) if (!BEx_chip(adapter)) adapter->rss_flags |= RSS_ENABLE_UDP_IPV4 | RSS_ENABLE_UDP_IPV6; + } else { + /* Disable RSS, if only default RX Q is created */ + adapter->rss_flags = RSS_ENABLE_NONE; + } - rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, - 128); - if (rc) { - adapter->rss_flags = 0; - return rc; - } + rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, + 128); + if (rc) { + adapter->rss_flags = RSS_ENABLE_NONE; + return rc; } /* First time posting */ @@ -3124,11 +3127,11 @@ static void BEx_get_resources(struct be_adapter *adapter, { struct pci_dev *pdev = adapter->pdev; bool use_sriov = false; + int max_vfs; - if (BE3_chip(adapter) && sriov_want(adapter)) { - int max_vfs; + max_vfs = pci_sriov_get_totalvfs(pdev); - max_vfs = pci_sriov_get_totalvfs(pdev); + if (BE3_chip(adapter) && sriov_want(adapter)) { res->max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; use_sriov = res->max_vfs; } @@ -3159,7 +3162,11 @@ static void BEx_get_resources(struct be_adapter *adapter, BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; res->max_rx_qs = res->max_rss_qs + 1; - res->max_evt_qs = be_physfn(adapter) ? BE3_MAX_EVT_QS : 1; + if (be_physfn(adapter)) + res->max_evt_qs = (max_vfs > 0) ? + BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS; + else + res->max_evt_qs = 1; res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) @@ -4205,7 +4212,7 @@ static int be_ctrl_init(struct be_adapter *adapter) spin_lock_init(&adapter->mcc_lock); spin_lock_init(&adapter->mcc_cq_lock); - init_completion(&adapter->flash_compl); + init_completion(&adapter->et_cmd_compl); pci_save_state(adapter->pdev); return 0; diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 86292e6aaf49..1a482344b3f5 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -185,7 +185,6 @@ enum rx_ctrl_state{ #define BM_REQUEST_TYPE (0xa1) #define B_NOTIFICATION (0x20) #define W_VALUE (0x0) -#define W_INDEX (0x2) #define W_LENGTH (0x2) #define B_OVERRUN (0x1<<6) @@ -1487,6 +1486,7 @@ static void tiocmget_intr_callback(struct urb *urb) struct uart_icount *icount; struct hso_serial_state_notification *serial_state_notification; struct usb_device *usb; + int if_num; /* Sanity checks */ if (!serial) @@ -1495,15 +1495,24 @@ static void tiocmget_intr_callback(struct urb *urb) handle_usb_error(status, __func__, serial->parent); return; } + + /* tiocmget is only supported on HSO_PORT_MODEM */ tiocmget = serial->tiocmget; if (!tiocmget) return; + BUG_ON((serial->parent->port_spec & HSO_PORT_MASK) != HSO_PORT_MODEM); + usb = serial->parent->usb; + if_num = serial->parent->interface->altsetting->desc.bInterfaceNumber; + + /* wIndex should be the USB interface number of the port to which the + * notification applies, which should always be the Modem port. + */ serial_state_notification = &tiocmget->serial_state_notification; if (serial_state_notification->bmRequestType != BM_REQUEST_TYPE || serial_state_notification->bNotification != B_NOTIFICATION || le16_to_cpu(serial_state_notification->wValue) != W_VALUE || - le16_to_cpu(serial_state_notification->wIndex) != W_INDEX || + le16_to_cpu(serial_state_notification->wIndex) != if_num || le16_to_cpu(serial_state_notification->wLength) != W_LENGTH) { dev_warn(&usb->dev, "hso received invalid serial state notification\n"); diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 1cf605f67673..e86439283a5d 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -279,7 +279,9 @@ static acpi_status register_slot(acpi_handle handle, u32 lvl, void *data, status = acpi_evaluate_integer(handle, "_ADR", NULL, &adr); if (ACPI_FAILURE(status)) { - acpi_handle_warn(handle, "can't evaluate _ADR (%#x)\n", status); + if (status != AE_NOT_FOUND) + acpi_handle_warn(handle, + "can't evaluate _ADR (%#x)\n", status); return AE_OK; } @@ -643,6 +645,24 @@ static void disable_slot(struct acpiphp_slot *slot) slot->flags &= (~SLOT_ENABLED); } +static bool acpiphp_no_hotplug(acpi_handle handle) +{ + struct acpi_device *adev = NULL; + + acpi_bus_get_device(handle, &adev); + return adev && adev->flags.no_hotplug; +} + +static bool slot_no_hotplug(struct acpiphp_slot *slot) +{ + struct acpiphp_func *func; + + list_for_each_entry(func, &slot->funcs, sibling) + if (acpiphp_no_hotplug(func_to_handle(func))) + return true; + + return false; +} /** * get_slot_status - get ACPI slot status @@ -701,7 +721,8 @@ static void trim_stale_devices(struct pci_dev *dev) unsigned long long sta; status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); - alive = ACPI_SUCCESS(status) && sta == ACPI_STA_ALL; + alive = (ACPI_SUCCESS(status) && sta == ACPI_STA_ALL) + || acpiphp_no_hotplug(handle); } if (!alive) { u32 v; @@ -741,8 +762,9 @@ static void acpiphp_check_bridge(struct acpiphp_bridge *bridge) struct pci_dev *dev, *tmp; mutex_lock(&slot->crit_sect); - /* wake up all functions */ - if (get_slot_status(slot) == ACPI_STA_ALL) { + if (slot_no_hotplug(slot)) { + ; /* do nothing */ + } else if (get_slot_status(slot) == ACPI_STA_ALL) { /* remove stale devices if any */ list_for_each_entry_safe(dev, tmp, &bus->devices, bus_list) diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c index 577074efbe62..f7ebdba14bde 100644 --- a/drivers/pci/pci-acpi.c +++ b/drivers/pci/pci-acpi.c @@ -330,29 +330,32 @@ static int acpi_pci_find_device(struct device *dev, acpi_handle *handle) static void pci_acpi_setup(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - acpi_handle handle = ACPI_HANDLE(dev); - struct acpi_device *adev; + struct acpi_device *adev = ACPI_COMPANION(dev); - if (acpi_bus_get_device(handle, &adev) || !adev->wakeup.flags.valid) + if (!adev) + return; + + pci_acpi_add_pm_notifier(adev, pci_dev); + if (!adev->wakeup.flags.valid) return; device_set_wakeup_capable(dev, true); acpi_pci_sleep_wake(pci_dev, false); - - pci_acpi_add_pm_notifier(adev, pci_dev); if (adev->wakeup.flags.run_wake) device_set_run_wake(dev, true); } static void pci_acpi_cleanup(struct device *dev) { - acpi_handle handle = ACPI_HANDLE(dev); - struct acpi_device *adev; + struct acpi_device *adev = ACPI_COMPANION(dev); + + if (!adev) + return; - if (!acpi_bus_get_device(handle, &adev) && adev->wakeup.flags.valid) { + pci_acpi_remove_pm_notifier(adev); + if (adev->wakeup.flags.valid) { device_set_wakeup_capable(dev, false); device_set_run_wake(dev, false); - pci_acpi_remove_pm_notifier(adev); } } diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 5e2054afe840..85ad58c6da17 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -196,6 +196,7 @@ config BATTERY_MAX17040 config BATTERY_MAX17042 tristate "Maxim MAX17042/17047/17050/8997/8966 Fuel Gauge" depends on I2C + select REGMAP_I2C help MAX17042 is fuel-gauge systems for lithium-ion (Li+) batteries in handheld and portable equipment. The MAX17042 is configured diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c index 00e667296360..557af943b2f5 100644 --- a/drivers/power/power_supply_core.c +++ b/drivers/power/power_supply_core.c @@ -511,6 +511,10 @@ int power_supply_register(struct device *parent, struct power_supply *psy) dev_set_drvdata(dev, psy); psy->dev = dev; + rc = dev_set_name(dev, "%s", psy->name); + if (rc) + goto dev_set_name_failed; + INIT_WORK(&psy->changed_work, power_supply_changed_work); rc = power_supply_check_supplies(psy); @@ -524,10 +528,6 @@ int power_supply_register(struct device *parent, struct power_supply *psy) if (rc) goto wakeup_init_failed; - rc = kobject_set_name(&dev->kobj, "%s", psy->name); - if (rc) - goto kobject_set_name_failed; - rc = device_add(dev); if (rc) goto device_add_failed; @@ -553,11 +553,11 @@ create_triggers_failed: register_cooler_failed: psy_unregister_thermal(psy); register_thermal_failed: -wakeup_init_failed: device_del(dev); -kobject_set_name_failed: device_add_failed: +wakeup_init_failed: check_supplies_failed: +dev_set_name_failed: put_device(dev); success: return rc; diff --git a/drivers/s390/char/tty3270.c b/drivers/s390/char/tty3270.c index 3f4ca4e09a4c..34629ea913d4 100644 --- a/drivers/s390/char/tty3270.c +++ b/drivers/s390/char/tty3270.c @@ -942,7 +942,7 @@ static int tty3270_install(struct tty_driver *driver, struct tty_struct *tty) return rc; } - tp->screen = tty3270_alloc_screen(tp->view.cols, tp->view.rows); + tp->screen = tty3270_alloc_screen(tp->view.rows, tp->view.cols); if (IS_ERR(tp->screen)) { rc = PTR_ERR(tp->screen); raw3270_put_view(&tp->view); diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index aa3397620342..2c29db6a247e 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -477,9 +477,10 @@ extern int CIFSGetExtAttr(const unsigned int xid, struct cifs_tcon *tcon, const int netfid, __u64 *pExtAttrBits, __u64 *pMask); extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr); -extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr, - const unsigned char *path, - struct cifs_sb_info *cifs_sb, unsigned int xid); +extern int CIFSCheckMFSymlink(unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, + struct cifs_fattr *fattr, + const unsigned char *path); extern int mdfour(unsigned char *, unsigned char *, int); extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, const struct nls_table *codepage); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 124aa0230c1b..d707edb6b852 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4010,7 +4010,7 @@ QFileInfoRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); if (rc) { - cifs_dbg(FYI, "Send error in QPathInfo = %d\n", rc); + cifs_dbg(FYI, "Send error in QFileInfo = %d", rc); } else { /* decode response */ rc = validate_t2((struct smb_t2_rsp *)pSMBr); @@ -4179,7 +4179,7 @@ UnixQFileInfoRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); if (rc) { - cifs_dbg(FYI, "Send error in QPathInfo = %d\n", rc); + cifs_dbg(FYI, "Send error in UnixQFileInfo = %d", rc); } else { /* decode response */ rc = validate_t2((struct smb_t2_rsp *)pSMBr); @@ -4263,7 +4263,7 @@ UnixQPathInfoRetry: rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *) pSMBr, &bytes_returned, 0); if (rc) { - cifs_dbg(FYI, "Send error in QPathInfo = %d\n", rc); + cifs_dbg(FYI, "Send error in UnixQPathInfo = %d", rc); } else { /* decode response */ rc = validate_t2((struct smb_t2_rsp *)pSMBr); diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 11ff5f116b20..a514e0a65f69 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -193,7 +193,7 @@ check_name(struct dentry *direntry) static int cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, struct tcon_link *tlink, unsigned oflags, umode_t mode, - __u32 *oplock, struct cifs_fid *fid, int *created) + __u32 *oplock, struct cifs_fid *fid) { int rc = -ENOENT; int create_options = CREATE_NOT_DIR; @@ -349,7 +349,6 @@ cifs_do_create(struct inode *inode, struct dentry *direntry, unsigned int xid, .device = 0, }; - *created |= FILE_CREATED; if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) { args.uid = current_fsuid(); if (inode->i_mode & S_ISGID) @@ -480,13 +479,16 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry, cifs_add_pending_open(&fid, tlink, &open); rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode, - &oplock, &fid, opened); + &oplock, &fid); if (rc) { cifs_del_pending_open(&open); goto out; } + if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL)) + *opened |= FILE_CREATED; + rc = finish_open(file, direntry, generic_file_open, opened); if (rc) { if (server->ops->close) @@ -529,7 +531,6 @@ int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, struct TCP_Server_Info *server; struct cifs_fid fid; __u32 oplock; - int created = FILE_CREATED; cifs_dbg(FYI, "cifs_create parent inode = 0x%p name is: %s and dentry = 0x%p\n", inode, direntry->d_name.name, direntry); @@ -546,7 +547,7 @@ int cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, server->ops->new_lease_key(&fid); rc = cifs_do_create(inode, direntry, xid, tlink, oflags, mode, - &oplock, &fid, &created); + &oplock, &fid); if (!rc && server->ops->close) server->ops->close(xid, tcon, &fid); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index 36f9ebb93ceb..49719b8228e5 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -383,7 +383,8 @@ int cifs_get_inode_info_unix(struct inode **pinode, /* check for Minshall+French symlinks */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) { - int tmprc = CIFSCheckMFSymlink(&fattr, full_path, cifs_sb, xid); + int tmprc = CIFSCheckMFSymlink(xid, tcon, cifs_sb, &fattr, + full_path); if (tmprc) cifs_dbg(FYI, "CIFSCheckMFSymlink: %d\n", tmprc); } @@ -799,7 +800,8 @@ cifs_get_inode_info(struct inode **inode, const char *full_path, /* check for Minshall+French symlinks */ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) { - tmprc = CIFSCheckMFSymlink(&fattr, full_path, cifs_sb, xid); + tmprc = CIFSCheckMFSymlink(xid, tcon, cifs_sb, &fattr, + full_path); if (tmprc) cifs_dbg(FYI, "CIFSCheckMFSymlink: %d\n", tmprc); } diff --git a/fs/cifs/link.c b/fs/cifs/link.c index cc0234710ddb..92aee08483a5 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -354,34 +354,30 @@ open_query_close_cifs_symlink(const unsigned char *path, char *pbuf, int -CIFSCheckMFSymlink(struct cifs_fattr *fattr, - const unsigned char *path, - struct cifs_sb_info *cifs_sb, unsigned int xid) +CIFSCheckMFSymlink(unsigned int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, struct cifs_fattr *fattr, + const unsigned char *path) { - int rc = 0; + int rc; u8 *buf = NULL; unsigned int link_len = 0; unsigned int bytes_read = 0; - struct cifs_tcon *ptcon; if (!CIFSCouldBeMFSymlink(fattr)) /* it's not a symlink */ return 0; buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL); - if (!buf) { - rc = -ENOMEM; - goto out; - } + if (!buf) + return -ENOMEM; - ptcon = tlink_tcon(cifs_sb_tlink(cifs_sb)); - if ((ptcon->ses) && (ptcon->ses->server->ops->query_mf_symlink)) - rc = ptcon->ses->server->ops->query_mf_symlink(path, buf, - &bytes_read, cifs_sb, xid); + if (tcon->ses->server->ops->query_mf_symlink) + rc = tcon->ses->server->ops->query_mf_symlink(path, buf, + &bytes_read, cifs_sb, xid); else - goto out; + rc = -ENOSYS; - if (rc != 0) + if (rc) goto out; if (bytes_read == 0) /* not a symlink */ diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 8b5e2584c840..af903128891c 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1907,10 +1907,6 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, } } } - if (op == EPOLL_CTL_DEL && is_file_epoll(tf.file)) { - tep = tf.file->private_data; - mutex_lock_nested(&tep->mtx, 1); - } /* * Try to lookup the file inside our RB tree, Since we grabbed "mtx" diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 4410cc3d6ee2..3384dc4bed40 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4218,7 +4218,7 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, */ map->m_flags &= ~EXT4_MAP_FROM_CLUSTER; newex.ee_block = cpu_to_le32(map->m_lblk); - cluster_offset = EXT4_LBLK_CMASK(sbi, map->m_lblk); + cluster_offset = EXT4_LBLK_COFF(sbi, map->m_lblk); /* * If we are doing bigalloc, check to see if the extent returned diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index b7fc035a6943..73f3e4ee4037 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -986,6 +986,7 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, { struct file *file = iocb->ki_filp; struct inode *inode = file->f_mapping->host; + struct address_space *mapping = inode->i_mapping; struct gfs2_inode *ip = GFS2_I(inode); struct gfs2_holder gh; int rv; @@ -1006,6 +1007,35 @@ static ssize_t gfs2_direct_IO(int rw, struct kiocb *iocb, if (rv != 1) goto out; /* dio not valid, fall back to buffered i/o */ + /* + * Now since we are holding a deferred (CW) lock at this point, you + * might be wondering why this is ever needed. There is a case however + * where we've granted a deferred local lock against a cached exclusive + * glock. That is ok provided all granted local locks are deferred, but + * it also means that it is possible to encounter pages which are + * cached and possibly also mapped. So here we check for that and sort + * them out ahead of the dio. The glock state machine will take care of + * everything else. + * + * If in fact the cached glock state (gl->gl_state) is deferred (CW) in + * the first place, mapping->nr_pages will always be zero. + */ + if (mapping->nrpages) { + loff_t lstart = offset & (PAGE_CACHE_SIZE - 1); + loff_t len = iov_length(iov, nr_segs); + loff_t end = PAGE_ALIGN(offset + len) - 1; + + rv = 0; + if (len == 0) + goto out; + if (test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) + unmap_shared_mapping_range(ip->i_inode.i_mapping, offset, len); + rv = filemap_write_and_wait_range(mapping, lstart, end); + if (rv) + return rv; + truncate_inode_pages_range(mapping, lstart, end); + } + rv = __blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov, offset, nr_segs, gfs2_get_block_direct, NULL, NULL, 0); diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index c8420f7e4db6..6f7a47c05259 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -1655,6 +1655,7 @@ static int dump_holder(struct seq_file *seq, const struct gfs2_holder *gh) struct task_struct *gh_owner = NULL; char flags_buf[32]; + rcu_read_lock(); if (gh->gh_owner_pid) gh_owner = pid_task(gh->gh_owner_pid, PIDTYPE_PID); gfs2_print_dbg(seq, " H: s:%s f:%s e:%d p:%ld [%s] %pS\n", @@ -1664,6 +1665,7 @@ static int dump_holder(struct seq_file *seq, const struct gfs2_holder *gh) gh->gh_owner_pid ? (long)pid_nr(gh->gh_owner_pid) : -1, gh_owner ? gh_owner->comm : "(ended)", (void *)gh->gh_ip); + rcu_read_unlock(); return 0; } diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c index db908f697139..f88dcd925010 100644 --- a/fs/gfs2/glops.c +++ b/fs/gfs2/glops.c @@ -192,8 +192,11 @@ static void inode_go_sync(struct gfs2_glock *gl) if (ip && !S_ISREG(ip->i_inode.i_mode)) ip = NULL; - if (ip && test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) - unmap_shared_mapping_range(ip->i_inode.i_mapping, 0, 0); + if (ip) { + if (test_and_clear_bit(GIF_SW_PAGED, &ip->i_flags)) + unmap_shared_mapping_range(ip->i_inode.i_mapping, 0, 0); + inode_dio_wait(&ip->i_inode); + } if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags)) return; @@ -410,6 +413,9 @@ static int inode_go_lock(struct gfs2_holder *gh) return error; } + if (gh->gh_state != LM_ST_DEFERRED) + inode_dio_wait(&ip->i_inode); + if ((ip->i_diskflags & GFS2_DIF_TRUNC_IN_PROG) && (gl->gl_state == LM_ST_EXCLUSIVE) && (gh->gh_state == LM_ST_EXCLUSIVE)) { diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 610613fb65b5..9dcb9777a5f8 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -551,10 +551,10 @@ void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) struct buffer_head *bh = bd->bd_bh; struct gfs2_glock *gl = bd->bd_gl; - gfs2_remove_from_ail(bd); - bd->bd_bh = NULL; bh->b_private = NULL; bd->bd_blkno = bh->b_blocknr; + gfs2_remove_from_ail(bd); /* drops ref on bh */ + bd->bd_bh = NULL; bd->bd_ops = &gfs2_revoke_lops; sdp->sd_log_num_revoke++; atomic_inc(&gl->gl_revokes); diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 932415050540..52f177be3bf8 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -258,6 +258,7 @@ void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int struct address_space *mapping = bh->b_page->mapping; struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping); struct gfs2_bufdata *bd = bh->b_private; + int was_pinned = 0; if (test_clear_buffer_pinned(bh)) { trace_gfs2_pin(bd, 0); @@ -273,12 +274,16 @@ void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int tr->tr_num_databuf_rm++; } tr->tr_touched = 1; + was_pinned = 1; brelse(bh); } if (bd) { spin_lock(&sdp->sd_ail_lock); if (bd->bd_tr) { gfs2_trans_add_revoke(sdp, bd); + } else if (was_pinned) { + bh->b_private = NULL; + kmem_cache_free(gfs2_bufdata_cachep, bd); } spin_unlock(&sdp->sd_ail_lock); } diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 82303b474958..52fa88314f5c 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -1366,8 +1366,18 @@ static struct dentry *gfs2_mount(struct file_system_type *fs_type, int flags, if (IS_ERR(s)) goto error_bdev; - if (s->s_root) + if (s->s_root) { + /* + * s_umount nests inside bd_mutex during + * __invalidate_device(). blkdev_put() acquires + * bd_mutex and can't be called under s_umount. Drop + * s_umount temporarily. This is safe as we're + * holding an active reference. + */ + up_write(&s->s_umount); blkdev_put(bdev, mode); + down_write(&s->s_umount); + } memset(&args, 0, sizeof(args)); args.ar_quota = GFS2_QUOTA_DEFAULT; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index c602c7718421..ddabed1f51c2 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -169,7 +169,8 @@ struct acpi_device_flags { u32 ejectable:1; u32 power_manageable:1; u32 match_driver:1; - u32 reserved:27; + u32 no_hotplug:1; + u32 reserved:26; }; /* File System */ @@ -344,6 +345,7 @@ extern struct kobject *acpi_kobj; extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); void acpi_bus_private_data_handler(acpi_handle, void *); int acpi_bus_get_private_data(acpi_handle, void **); +void acpi_bus_no_hotplug(acpi_handle handle); extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); extern int register_acpi_notifier(struct notifier_block *); extern int unregister_acpi_notifier(struct notifier_block *); diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 87578c109e48..49376aec2fbb 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -600,7 +600,7 @@ {0x1002, 0x9645, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ - {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ + {0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\ {0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ {0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \ diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h index 2f3f7ea8c77b..fe421e8a431b 100644 --- a/include/uapi/drm/radeon_drm.h +++ b/include/uapi/drm/radeon_drm.h @@ -983,6 +983,8 @@ struct drm_radeon_cs { #define RADEON_INFO_SI_CP_DMA_COMPUTE 0x17 /* CIK macrotile mode array */ #define RADEON_INFO_CIK_MACROTILE_MODE_ARRAY 0x18 +/* query the number of render backends */ +#define RADEON_INFO_SI_BACKEND_ENABLED_MASK 0x19 struct drm_radeon_info { diff --git a/include/uapi/linux/input.h b/include/uapi/linux/input.h index ecc88592ecbe..bd24470d24a2 100644 --- a/include/uapi/linux/input.h +++ b/include/uapi/linux/input.h @@ -464,7 +464,8 @@ struct input_keymap_entry { #define KEY_BRIGHTNESS_ZERO 244 /* brightness off, use ambient */ #define KEY_DISPLAY_OFF 245 /* display device to off state */ -#define KEY_WIMAX 246 +#define KEY_WWAN 246 /* Wireless WAN (LTE, UMTS, GSM, etc.) */ +#define KEY_WIMAX KEY_WWAN #define KEY_RFKILL 247 /* Key that controls all radios */ #define KEY_MICMUTE 248 /* Mute / unmute the microphone */ diff --git a/mm/fremap.c b/mm/fremap.c index 5bff08147768..bbc4d660221a 100644 --- a/mm/fremap.c +++ b/mm/fremap.c @@ -208,9 +208,10 @@ get_write_lock: if (mapping_cap_account_dirty(mapping)) { unsigned long addr; struct file *file = get_file(vma->vm_file); + /* mmap_region may free vma; grab the info now */ + vm_flags = vma->vm_flags; - addr = mmap_region(file, start, size, - vma->vm_flags, pgoff); + addr = mmap_region(file, start, size, vm_flags, pgoff); fput(file); if (IS_ERR_VALUE(addr)) { err = addr; @@ -218,7 +219,7 @@ get_write_lock: BUG_ON(addr != start); err = 0; } - goto out; + goto out_freed; } mutex_lock(&mapping->i_mmap_mutex); flush_dcache_mmap_lock(mapping); @@ -253,6 +254,7 @@ get_write_lock: out: if (vma) vm_flags = vma->vm_flags; +out_freed: if (likely(!has_write_lock)) up_read(&mm->mmap_sem); else diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 7de1bf85f683..9c0b17295ba0 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -883,9 +883,6 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, goto out_unlock; } - /* mmap_sem prevents this happening but warn if that changes */ - WARN_ON(pmd_trans_migrating(pmd)); - if (unlikely(pmd_trans_splitting(pmd))) { /* split huge page running from under us */ spin_unlock(src_ptl); diff --git a/mm/memcontrol.c b/mm/memcontrol.c index bf5e89457149..7f1a356153c0 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -338,7 +338,7 @@ struct mem_cgroup { static size_t memcg_size(void) { return sizeof(struct mem_cgroup) + - nr_node_ids * sizeof(struct mem_cgroup_per_node); + nr_node_ids * sizeof(struct mem_cgroup_per_node *); } /* internal only representation about the status of kmem accounting. */ diff --git a/mm/memory-failure.c b/mm/memory-failure.c index db08af92c6fc..fabe55046c1d 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -938,6 +938,16 @@ static int hwpoison_user_mappings(struct page *p, unsigned long pfn, BUG_ON(!PageHWPoison(p)); return SWAP_FAIL; } + /* + * We pinned the head page for hwpoison handling, + * now we split the thp and we are interested in + * the hwpoisoned raw page, so move the refcount + * to it. + */ + if (hpage != p) { + put_page(hpage); + get_page(p); + } /* THP is split, so ppage should be the real poisoned page. */ ppage = p; } diff --git a/mm/mlock.c b/mm/mlock.c index d480cd6fc475..192e6eebe4f2 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -133,7 +133,10 @@ static void __munlock_isolation_failed(struct page *page) /** * munlock_vma_page - munlock a vma page - * @page - page to be unlocked + * @page - page to be unlocked, either a normal page or THP page head + * + * returns the size of the page as a page mask (0 for normal page, + * HPAGE_PMD_NR - 1 for THP head page) * * called from munlock()/munmap() path with page supposedly on the LRU. * When we munlock a page, because the vma where we found the page is being @@ -148,21 +151,30 @@ static void __munlock_isolation_failed(struct page *page) */ unsigned int munlock_vma_page(struct page *page) { - unsigned int page_mask = 0; + unsigned int nr_pages; BUG_ON(!PageLocked(page)); if (TestClearPageMlocked(page)) { - unsigned int nr_pages = hpage_nr_pages(page); + nr_pages = hpage_nr_pages(page); mod_zone_page_state(page_zone(page), NR_MLOCK, -nr_pages); - page_mask = nr_pages - 1; if (!isolate_lru_page(page)) __munlock_isolated_page(page); else __munlock_isolation_failed(page); + } else { + nr_pages = hpage_nr_pages(page); } - return page_mask; + /* + * Regardless of the original PageMlocked flag, we determine nr_pages + * after touching the flag. This leaves a possible race with a THP page + * split, such that a whole THP page was munlocked, but nr_pages == 1. + * Returning a smaller mask due to that is OK, the worst that can + * happen is subsequent useless scanning of the former tail pages. + * The NR_MLOCK accounting can however become broken. + */ + return nr_pages - 1; } /** @@ -286,10 +298,12 @@ static void __munlock_pagevec(struct pagevec *pvec, struct zone *zone) { int i; int nr = pagevec_count(pvec); - int delta_munlocked = -nr; + int delta_munlocked; struct pagevec pvec_putback; int pgrescued = 0; + pagevec_init(&pvec_putback, 0); + /* Phase 1: page isolation */ spin_lock_irq(&zone->lru_lock); for (i = 0; i < nr; i++) { @@ -318,18 +332,21 @@ skip_munlock: /* * We won't be munlocking this page in the next phase * but we still need to release the follow_page_mask() - * pin. + * pin. We cannot do it under lru_lock however. If it's + * the last pin, __page_cache_release would deadlock. */ + pagevec_add(&pvec_putback, pvec->pages[i]); pvec->pages[i] = NULL; - put_page(page); - delta_munlocked++; } } + delta_munlocked = -nr + pagevec_count(&pvec_putback); __mod_zone_page_state(zone, NR_MLOCK, delta_munlocked); spin_unlock_irq(&zone->lru_lock); + /* Now we can release pins of pages that we are not munlocking */ + pagevec_release(&pvec_putback); + /* Phase 2: page munlock */ - pagevec_init(&pvec_putback, 0); for (i = 0; i < nr; i++) { struct page *page = pvec->pages[i]; @@ -440,7 +457,8 @@ void munlock_vma_pages_range(struct vm_area_struct *vma, while (start < end) { struct page *page = NULL; - unsigned int page_mask, page_increm; + unsigned int page_mask; + unsigned long page_increm; struct pagevec pvec; struct zone *zone; int zoneid; @@ -490,7 +508,9 @@ void munlock_vma_pages_range(struct vm_area_struct *vma, goto next; } } - page_increm = 1 + (~(start >> PAGE_SHIFT) & page_mask); + /* It's a bug to munlock in the middle of a THP page */ + VM_BUG_ON((start >> PAGE_SHIFT) & page_mask); + page_increm = 1 + page_mask; start += page_increm * PAGE_SIZE; next: cond_resched(); diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 4c214b2b88ef..ef66365b7354 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1998,7 +1998,7 @@ int br_multicast_set_hash_max(struct net_bridge *br, unsigned long val) u32 old; struct net_bridge_mdb_htable *mdb; - spin_lock(&br->multicast_lock); + spin_lock_bh(&br->multicast_lock); if (!netif_running(br->dev)) goto unlock; @@ -2030,7 +2030,7 @@ rollback: } unlock: - spin_unlock(&br->multicast_lock); + spin_unlock_bh(&br->multicast_lock); return err; } diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 1a341f74aa3f..f62c72b59f8e 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -1671,7 +1671,7 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr) static void addrconf_join_anycast(struct inet6_ifaddr *ifp) { struct in6_addr addr; - if (ifp->prefix_len == 127) /* RFC 6164 */ + if (ifp->prefix_len >= 127) /* RFC 6164 */ return; ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); if (ipv6_addr_any(&addr)) @@ -1682,7 +1682,7 @@ static void addrconf_join_anycast(struct inet6_ifaddr *ifp) static void addrconf_leave_anycast(struct inet6_ifaddr *ifp) { struct in6_addr addr; - if (ifp->prefix_len == 127) /* RFC 6164 */ + if (ifp->prefix_len >= 127) /* RFC 6164 */ return; ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len); if (ipv6_addr_any(&addr)) diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index a4564b05c47b..7b42d5ef868d 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -732,12 +732,18 @@ static void vti6_dev_setup(struct net_device *dev) static inline int vti6_dev_init_gen(struct net_device *dev) { struct ip6_tnl *t = netdev_priv(dev); + int i; t->dev = dev; t->net = dev_net(dev); dev->tstats = alloc_percpu(struct pcpu_tstats); if (!dev->tstats) return -ENOMEM; + for_each_possible_cpu(i) { + struct pcpu_tstats *stats; + stats = per_cpu_ptr(dev->tstats, i); + u64_stats_init(&stats->syncp); + } return 0; } diff --git a/net/tipc/link.c b/net/tipc/link.c index 69cd9bf3f561..13b987745820 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -1498,6 +1498,7 @@ void tipc_recv_msg(struct sk_buff *head, struct tipc_bearer *b_ptr) int type; head = head->next; + buf->next = NULL; /* Ensure bearer is still enabled */ if (unlikely(!b_ptr->active)) |