diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 9 | ||||
| -rw-r--r-- | lib/Makefile | 2 | ||||
| -rw-r--r-- | lib/cpumask.c | 12 | ||||
| -rw-r--r-- | lib/dma-debug.c | 53 | ||||
| -rw-r--r-- | lib/kobject.c | 3 | ||||
| -rw-r--r-- | lib/kobject_uevent.c | 4 | ||||
| -rw-r--r-- | lib/scatterlist.c | 9 |
7 files changed, 29 insertions, 63 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index c6e854f215fa..6cdcf38f2da9 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -440,7 +440,7 @@ config LOCKDEP bool depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT select STACKTRACE - select FRAME_POINTER if !X86 && !MIPS && !PPC && !ARM_UNWIND + select FRAME_POINTER if !X86 && !MIPS && !PPC && !ARM_UNWIND && !S390 select KALLSYMS select KALLSYMS_ALL @@ -620,7 +620,7 @@ config ARCH_WANT_FRAME_POINTERS config FRAME_POINTER bool "Compile the kernel with frame pointers" depends on DEBUG_KERNEL && \ - (CRIS || M68K || M68KNOMMU || FRV || UML || S390 || \ + (CRIS || M68K || M68KNOMMU || FRV || UML || \ AVR32 || SUPERH || BLACKFIN || MN10300) || \ ARCH_WANT_FRAME_POINTERS default y if (DEBUG_INFO && UML) || ARCH_WANT_FRAME_POINTERS @@ -809,13 +809,13 @@ config FAULT_INJECTION_STACKTRACE_FILTER depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT depends on !X86_64 select STACKTRACE - select FRAME_POINTER if !PPC + select FRAME_POINTER if !PPC && !S390 help Provide stacktrace filter for fault-injection capabilities config LATENCYTOP bool "Latency measuring infrastructure" - select FRAME_POINTER if !MIPS && !PPC + select FRAME_POINTER if !MIPS && !PPC && !S390 select KALLSYMS select KALLSYMS_ALL select STACKTRACE @@ -891,7 +891,6 @@ config DYNAMIC_DEBUG default n depends on PRINTK depends on DEBUG_FS - select PRINTK_DEBUG help Compiles debug level messages into the kernel, which would not diff --git a/lib/Makefile b/lib/Makefile index d6edd6753f40..33a40e40e3ee 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -38,7 +38,7 @@ lib-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o lib-$(CONFIG_GENERIC_FIND_FIRST_BIT) += find_next_bit.o lib-$(CONFIG_GENERIC_FIND_NEXT_BIT) += find_next_bit.o -lib-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o +obj-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o obj-$(CONFIG_LOCK_KERNEL) += kernel_lock.o obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o diff --git a/lib/cpumask.c b/lib/cpumask.c index 1f71b97de0f9..eb23aaa0c7b8 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c @@ -119,6 +119,12 @@ bool alloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node) } EXPORT_SYMBOL(alloc_cpumask_var_node); +bool zalloc_cpumask_var_node(cpumask_var_t *mask, gfp_t flags, int node) +{ + return alloc_cpumask_var_node(mask, flags | __GFP_ZERO, node); +} +EXPORT_SYMBOL(zalloc_cpumask_var_node); + /** * alloc_cpumask_var - allocate a struct cpumask * @mask: pointer to cpumask_var_t where the cpumask is returned @@ -135,6 +141,12 @@ bool alloc_cpumask_var(cpumask_var_t *mask, gfp_t flags) } EXPORT_SYMBOL(alloc_cpumask_var); +bool zalloc_cpumask_var(cpumask_var_t *mask, gfp_t flags) +{ + return alloc_cpumask_var(mask, flags | __GFP_ZERO); +} +EXPORT_SYMBOL(zalloc_cpumask_var); + /** * alloc_bootmem_cpumask_var - allocate a struct cpumask from the bootmem arena. * @mask: pointer to cpumask_var_t where the cpumask is returned diff --git a/lib/dma-debug.c b/lib/dma-debug.c index d3da7edc034f..69da09a085a1 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -400,60 +400,9 @@ out_err: return -ENOMEM; } -static int device_dma_allocations(struct device *dev) -{ - struct dma_debug_entry *entry; - unsigned long flags; - int count = 0, i; - - for (i = 0; i < HASH_SIZE; ++i) { - spin_lock_irqsave(&dma_entry_hash[i].lock, flags); - list_for_each_entry(entry, &dma_entry_hash[i].list, list) { - if (entry->dev == dev) - count += 1; - } - spin_unlock_irqrestore(&dma_entry_hash[i].lock, flags); - } - - return count; -} - -static int dma_debug_device_change(struct notifier_block *nb, - unsigned long action, void *data) -{ - struct device *dev = data; - int count; - - - switch (action) { - case BUS_NOTIFY_UNBIND_DRIVER: - count = device_dma_allocations(dev); - if (count == 0) - break; - err_printk(dev, NULL, "DMA-API: device driver has pending " - "DMA allocations while released from device " - "[count=%d]\n", count); - break; - default: - break; - } - - return 0; -} - void dma_debug_add_bus(struct bus_type *bus) { - struct notifier_block *nb; - - nb = kzalloc(sizeof(struct notifier_block), GFP_KERNEL); - if (nb == NULL) { - printk(KERN_ERR "dma_debug_add_bus: out of memory\n"); - return; - } - - nb->notifier_call = dma_debug_device_change; - - bus_register_notifier(bus, nb); + /* FIXME: register notifier */ } /* diff --git a/lib/kobject.c b/lib/kobject.c index a6dec32f2ddd..bacf6fe4f7a0 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -218,6 +218,9 @@ int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, const char *old_name = kobj->name; char *s; + if (kobj->name && !fmt) + return 0; + kobj->name = kvasprintf(GFP_KERNEL, fmt, vargs); if (!kobj->name) return -ENOMEM; diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 97a777ad4f59..920a3ca6e259 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -258,7 +258,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action, goto exit; retval = call_usermodehelper(argv[0], argv, - env->envp, UMH_NO_WAIT); + env->envp, UMH_WAIT_EXEC); } exit: @@ -328,7 +328,7 @@ static int __init kobject_uevent_init(void) "kobject_uevent: unable to create netlink socket!\n"); return -ENODEV; } - + netlink_set_nonroot(NETLINK_KOBJECT_UEVENT, NL_NONROOT_RECV); return 0; } diff --git a/lib/scatterlist.c b/lib/scatterlist.c index b7b449dafbe5..a295e404e908 100644 --- a/lib/scatterlist.c +++ b/lib/scatterlist.c @@ -347,9 +347,12 @@ bool sg_miter_next(struct sg_mapping_iter *miter) sg_miter_stop(miter); /* get to the next sg if necessary. __offset is adjusted by stop */ - if (miter->__offset == miter->__sg->length && --miter->__nents) { - miter->__sg = sg_next(miter->__sg); - miter->__offset = 0; + while (miter->__offset == miter->__sg->length) { + if (--miter->__nents) { + miter->__sg = sg_next(miter->__sg); + miter->__offset = 0; + } else + return false; } /* map the next page */ |