diff options
Diffstat (limited to 'arch/ia64')
-rw-r--r-- | arch/ia64/Kconfig | 3 | ||||
-rw-r--r-- | arch/ia64/hp/common/sba_iommu.c | 8 | ||||
-rw-r--r-- | arch/ia64/include/asm/atomic.h | 4 | ||||
-rw-r--r-- | arch/ia64/include/asm/bitops.h | 11 | ||||
-rw-r--r-- | arch/ia64/include/asm/mmzone.h | 4 | ||||
-rw-r--r-- | arch/ia64/include/asm/percpu.h | 5 | ||||
-rw-r--r-- | arch/ia64/include/asm/thread_info.h | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/acpi.c | 8 | ||||
-rw-r--r-- | arch/ia64/kernel/cpufreq/acpi-cpufreq.c | 10 | ||||
-rw-r--r-- | arch/ia64/kernel/irq_ia64.c | 9 | ||||
-rw-r--r-- | arch/ia64/kernel/salinfo.c | 5 | ||||
-rw-r--r-- | arch/ia64/kernel/time.c | 12 | ||||
-rw-r--r-- | arch/ia64/kernel/topology.c | 4 | ||||
-rw-r--r-- | arch/ia64/kernel/unaligned.c | 24 | ||||
-rw-r--r-- | arch/ia64/kvm/kvm-ia64.c | 8 | ||||
-rw-r--r-- | arch/ia64/kvm/vmm.c | 2 | ||||
-rw-r--r-- | arch/ia64/mm/fault.c | 13 | ||||
-rw-r--r-- | arch/ia64/sn/kernel/sn2/sn_hwperf.c | 4 |
18 files changed, 59 insertions, 77 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 4d4f4188cdf1..9676100b83ee 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -59,9 +59,6 @@ config NEED_DMA_MAP_STATE config SWIOTLB bool -config IOMMU_HELPER - bool - config GENERIC_LOCKBREAK def_bool n diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c index e14c492a8a93..4ce8d1358fee 100644 --- a/arch/ia64/hp/common/sba_iommu.c +++ b/arch/ia64/hp/common/sba_iommu.c @@ -2046,13 +2046,13 @@ acpi_sba_ioc_add(struct acpi_device *device) struct ioc *ioc; acpi_status status; u64 hpa, length; - struct acpi_device_info *dev_info; + struct acpi_device_info *adi; status = hp_acpi_csr_space(device->handle, &hpa, &length); if (ACPI_FAILURE(status)) return 1; - status = acpi_get_object_info(device->handle, &dev_info); + status = acpi_get_object_info(device->handle, &adi); if (ACPI_FAILURE(status)) return 1; @@ -2060,13 +2060,13 @@ acpi_sba_ioc_add(struct acpi_device *device) * For HWP0001, only SBA appears in ACPI namespace. It encloses the PCI * root bridges, and its CSR space includes the IOC function. */ - if (strncmp("HWP0001", dev_info->hardware_id.string, 7) == 0) { + if (strncmp("HWP0001", adi->hardware_id.string, 7) == 0) { hpa += ZX1_IOC_OFFSET; /* zx1 based systems default to kernel page size iommu pages */ if (!iovp_shift) iovp_shift = min(PAGE_SHIFT, 16); } - kfree(dev_info); + kfree(adi); /* * default anything not caught above or specified on cmdline to 4k diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h index 88405cb0832a..4e1948447a00 100644 --- a/arch/ia64/include/asm/atomic.h +++ b/arch/ia64/include/asm/atomic.h @@ -21,8 +21,8 @@ #define ATOMIC_INIT(i) ((atomic_t) { (i) }) #define ATOMIC64_INIT(i) ((atomic64_t) { (i) }) -#define atomic_read(v) ((v)->counter) -#define atomic64_read(v) ((v)->counter) +#define atomic_read(v) (*(volatile int *)&(v)->counter) +#define atomic64_read(v) (*(volatile long *)&(v)->counter) #define atomic_set(v,i) (((v)->counter) = (i)) #define atomic64_set(v,i) (((v)->counter) = (i)) diff --git a/arch/ia64/include/asm/bitops.h b/arch/ia64/include/asm/bitops.h index 6ebc229a1c51..9da3df6f1a52 100644 --- a/arch/ia64/include/asm/bitops.h +++ b/arch/ia64/include/asm/bitops.h @@ -437,17 +437,18 @@ __fls (unsigned long x) * hweightN: returns the hamming weight (i.e. the number * of bits set) of a N-bit word */ -static __inline__ unsigned long -hweight64 (unsigned long x) +static __inline__ unsigned long __arch_hweight64(unsigned long x) { unsigned long result; result = ia64_popcnt(x); return result; } -#define hweight32(x) (unsigned int) hweight64((x) & 0xfffffffful) -#define hweight16(x) (unsigned int) hweight64((x) & 0xfffful) -#define hweight8(x) (unsigned int) hweight64((x) & 0xfful) +#define __arch_hweight32(x) ((unsigned int) __arch_hweight64((x) & 0xfffffffful)) +#define __arch_hweight16(x) ((unsigned int) __arch_hweight64((x) & 0xfffful)) +#define __arch_hweight8(x) ((unsigned int) __arch_hweight64((x) & 0xfful)) + +#include <asm-generic/bitops/const_hweight.h> #endif /* __KERNEL__ */ diff --git a/arch/ia64/include/asm/mmzone.h b/arch/ia64/include/asm/mmzone.h index f2ca32069b3f..e0de61709cf1 100644 --- a/arch/ia64/include/asm/mmzone.h +++ b/arch/ia64/include/asm/mmzone.h @@ -19,16 +19,12 @@ static inline int pfn_to_nid(unsigned long pfn) { -#ifdef CONFIG_NUMA extern int paddr_to_nid(unsigned long); int nid = paddr_to_nid(pfn << PAGE_SHIFT); if (nid < 0) return 0; else return nid; -#else - return 0; -#endif } #ifdef CONFIG_IA64_DIG /* DIG systems are small */ diff --git a/arch/ia64/include/asm/percpu.h b/arch/ia64/include/asm/percpu.h index f7c00a5e0e2b..1bd408265694 100644 --- a/arch/ia64/include/asm/percpu.h +++ b/arch/ia64/include/asm/percpu.h @@ -39,7 +39,10 @@ extern void *per_cpu_init(void); * On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly * more efficient. */ -#define __ia64_per_cpu_var(var) var +#define __ia64_per_cpu_var(var) (*({ \ + __verify_pcpu_ptr(&(var)); \ + ((typeof(var) __kernel __force *)&(var)); \ +})) #include <asm-generic/percpu.h> diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h index 8ce2e388e37c..b6a5ba2aca34 100644 --- a/arch/ia64/include/asm/thread_info.h +++ b/arch/ia64/include/asm/thread_info.h @@ -102,7 +102,7 @@ struct thread_info { #define TIF_SINGLESTEP 4 /* restore singlestep on return to user mode */ #define TIF_NOTIFY_RESUME 6 /* resumption notification requested */ #define TIF_POLLING_NRFLAG 16 /* true if poll_idle() is polling TIF_NEED_RESCHED */ -#define TIF_MEMDIE 17 +#define TIF_MEMDIE 17 /* is terminating due to OOM killer */ #define TIF_MCA_INIT 18 /* this task is processing MCA or INIT */ #define TIF_DB_DISABLED 19 /* debug trap disabled for fsyscall */ #define TIF_FREEZE 20 /* is freezing for suspend */ diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c index 4d1a7e9314cf..c6c90f39f4d9 100644 --- a/arch/ia64/kernel/acpi.c +++ b/arch/ia64/kernel/acpi.c @@ -785,6 +785,14 @@ int acpi_gsi_to_irq(u32 gsi, unsigned int *irq) return 0; } +int acpi_isa_irq_to_gsi(unsigned isa_irq, u32 *gsi) +{ + if (isa_irq >= 16) + return -1; + *gsi = isa_irq; + return 0; +} + /* * ACPI based hotplug CPU support */ diff --git a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c index b0b4e6e710f2..22f61526a8e1 100644 --- a/arch/ia64/kernel/cpufreq/acpi-cpufreq.c +++ b/arch/ia64/kernel/cpufreq/acpi-cpufreq.c @@ -113,7 +113,7 @@ processor_get_freq ( dprintk("processor_get_freq\n"); saved_mask = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); if (smp_processor_id() != cpu) goto migrate_end; @@ -121,7 +121,7 @@ processor_get_freq ( ret = processor_get_pstate(&value); if (ret) { - set_cpus_allowed(current, saved_mask); + set_cpus_allowed_ptr(current, &saved_mask); printk(KERN_WARNING "get performance failed with error %d\n", ret); ret = 0; @@ -131,7 +131,7 @@ processor_get_freq ( ret = (clock_freq*1000); migrate_end: - set_cpus_allowed(current, saved_mask); + set_cpus_allowed_ptr(current, &saved_mask); return ret; } @@ -151,7 +151,7 @@ processor_set_freq ( dprintk("processor_set_freq\n"); saved_mask = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); if (smp_processor_id() != cpu) { retval = -EAGAIN; goto migrate_end; @@ -208,7 +208,7 @@ processor_set_freq ( retval = 0; migrate_end: - set_cpus_allowed(current, saved_mask); + set_cpus_allowed_ptr(current, &saved_mask); return (retval); } diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c index 640479304ac0..f14c35f9b03a 100644 --- a/arch/ia64/kernel/irq_ia64.c +++ b/arch/ia64/kernel/irq_ia64.c @@ -29,6 +29,7 @@ #include <linux/threads.h> #include <linux/bitops.h> #include <linux/irq.h> +#include <linux/ratelimit.h> #include <asm/delay.h> #include <asm/intrinsics.h> @@ -467,13 +468,9 @@ ia64_handle_irq (ia64_vector vector, struct pt_regs *regs) sp = ia64_getreg(_IA64_REG_SP); if ((sp - bsp) < 1024) { - static unsigned char count; - static long last_time; + static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5); - if (time_after(jiffies, last_time + 5 * HZ)) - count = 0; - if (++count < 5) { - last_time = jiffies; + if (__ratelimit(&ratelimit)) { printk("ia64_handle_irq: DANGER: less than " "1KB of free stack space!!\n" "(bsp=0x%lx, sp=%lx)\n", bsp, sp); diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c index e6676fca4828..aa8b5fa1a8de 100644 --- a/arch/ia64/kernel/salinfo.c +++ b/arch/ia64/kernel/salinfo.c @@ -404,10 +404,9 @@ static void call_on_cpu(int cpu, void (*fn)(void *), void *arg) { cpumask_t save_cpus_allowed = current->cpus_allowed; - cpumask_t new_cpus_allowed = cpumask_of_cpu(cpu); - set_cpus_allowed(current, new_cpus_allowed); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); (*fn)(arg); - set_cpus_allowed(current, save_cpus_allowed); + set_cpus_allowed_ptr(current, &save_cpus_allowed); } static void diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c index 47a192781b0a..653b3c46ea82 100644 --- a/arch/ia64/kernel/time.c +++ b/arch/ia64/kernel/time.c @@ -430,18 +430,16 @@ static int __init rtc_init(void) } module_init(rtc_init); +void read_persistent_clock(struct timespec *ts) +{ + efi_gettimeofday(ts); +} + void __init time_init (void) { register_percpu_irq(IA64_TIMER_VECTOR, &timer_irqaction); - efi_gettimeofday(&xtime); ia64_init_itm(); - - /* - * Initialize wall_to_monotonic such that adding it to xtime will yield zero, the - * tv_nsec field must be normalized (i.e., 0 <= nsec < NSEC_PER_SEC). - */ - set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec); } /* diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c index 28f299de2903..0baa1bbb65fe 100644 --- a/arch/ia64/kernel/topology.c +++ b/arch/ia64/kernel/topology.c @@ -361,12 +361,12 @@ static int __cpuinit cache_add_dev(struct sys_device * sys_dev) return 0; oldmask = current->cpus_allowed; - retval = set_cpus_allowed(current, cpumask_of_cpu(cpu)); + retval = set_cpus_allowed_ptr(current, cpumask_of(cpu)); if (unlikely(retval)) return retval; retval = cpu_cache_sysfs_init(cpu); - set_cpus_allowed(current, oldmask); + set_cpus_allowed_ptr(current, &oldmask); if (unlikely(retval < 0)) return retval; diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c index 776dd40397e2..622772b7fb6c 100644 --- a/arch/ia64/kernel/unaligned.c +++ b/arch/ia64/kernel/unaligned.c @@ -17,6 +17,7 @@ #include <linux/kernel.h> #include <linux/sched.h> #include <linux/tty.h> +#include <linux/ratelimit.h> #include <asm/intrinsics.h> #include <asm/processor.h> @@ -1283,24 +1284,9 @@ emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs) /* * Make sure we log the unaligned access, so that user/sysadmin can notice it and * eventually fix the program. However, we don't want to do that for every access so we - * pace it with jiffies. This isn't really MP-safe, but it doesn't really have to be - * either... + * pace it with jiffies. */ -static int -within_logging_rate_limit (void) -{ - static unsigned long count, last_time; - - if (time_after(jiffies, last_time + 5 * HZ)) - count = 0; - if (count < 5) { - last_time = jiffies; - count++; - return 1; - } - return 0; - -} +static DEFINE_RATELIMIT_STATE(logging_rate_limit, 5 * HZ, 5); void ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) @@ -1337,7 +1323,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) if (!no_unaligned_warning && !(current->thread.flags & IA64_THREAD_UAC_NOPRINT) && - within_logging_rate_limit()) + __ratelimit(&logging_rate_limit)) { char buf[200]; /* comm[] is at most 16 bytes... */ size_t len; @@ -1370,7 +1356,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs) } } } else { - if (within_logging_rate_limit()) { + if (__ratelimit(&logging_rate_limit)) { printk(KERN_WARNING "kernel unaligned access to 0x%016lx, ip=0x%016lx\n", ifa, regs->cr_iip + ipsr->ri); if (unaligned_dump_stack) diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 7f3c0a2e60cd..d5f4e9161201 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -979,11 +979,13 @@ long kvm_arch_vm_ioctl(struct file *filp, r = -EFAULT; if (copy_from_user(&irq_event, argp, sizeof irq_event)) goto out; + r = -ENXIO; if (irqchip_in_kernel(kvm)) { __s32 status; status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID, irq_event.irq, irq_event.level); if (ioctl == KVM_IRQ_LINE_STATUS) { + r = -EFAULT; irq_event.status = status; if (copy_to_user(argp, &irq_event, sizeof irq_event)) @@ -1379,7 +1381,7 @@ static void kvm_release_vm_pages(struct kvm *kvm) int i, j; unsigned long base_gfn; - slots = rcu_dereference(kvm->memslots); + slots = kvm_memslots(kvm); for (i = 0; i < slots->nmemslots; i++) { memslot = &slots->memslots[i]; base_gfn = memslot->base_gfn; @@ -1535,8 +1537,10 @@ long kvm_arch_vcpu_ioctl(struct file *filp, goto out; if (copy_to_user(user_stack, stack, - sizeof(struct kvm_ia64_vcpu_stack))) + sizeof(struct kvm_ia64_vcpu_stack))) { + r = -EFAULT; goto out; + } break; } diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c index 7a62f75778c5..f0b9cac82414 100644 --- a/arch/ia64/kvm/vmm.c +++ b/arch/ia64/kvm/vmm.c @@ -51,7 +51,7 @@ static int __init kvm_vmm_init(void) vmm_fpswa_interface = fpswa_interface; /*Register vmm data to kvm side*/ - return kvm_init(&vmm_info, 1024, THIS_MODULE); + return kvm_init(&vmm_info, 1024, 0, THIS_MODULE); } static void __exit kvm_vmm_exit(void) diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index 19261a99e623..0799fea4c588 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -148,7 +148,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re if ((vma->vm_flags & mask) != mask) goto bad_area; - survive: /* * If for any reason at all we couldn't handle the fault, make * sure we exit gracefully rather than endlessly redo the @@ -276,13 +275,7 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re out_of_memory: up_read(&mm->mmap_sem); - if (is_global_init(current)) { - yield(); - down_read(&mm->mmap_sem); - goto survive; - } - printk(KERN_CRIT "VM: killing process %s\n", current->comm); - if (user_mode(regs)) - do_group_exit(SIGKILL); - goto no_context; + if (!user_mode(regs)) + goto no_context; + pagefault_out_of_memory(); } diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c index 55ac3c4e11d2..f6c1c5fd075d 100644 --- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c +++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c @@ -629,9 +629,9 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info) else { /* migrate the task before calling SAL */ save_allowed = current->cpus_allowed; - set_cpus_allowed(current, cpumask_of_cpu(cpu)); + set_cpus_allowed_ptr(current, cpumask_of(cpu)); sn_hwperf_call_sal(op_info); - set_cpus_allowed(current, save_allowed); + set_cpus_allowed_ptr(current, &save_allowed); } } r = op_info->ret; |