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authorIngo Molnar <mingo@elte.hu>2009-05-11 14:44:27 +0200
committerIngo Molnar <mingo@elte.hu>2009-05-11 14:44:31 +0200
commit41fb454ebe6024f5c1e3b3cbc0abc0da762e7b51 (patch)
tree51c50bcb67a5039448ddfa1869d7948cab1217e9 /lib
parent19c1a6f5764d787113fa323ffb18be7991208f82 (diff)
parent091bf7624d1c90cec9e578a18529f615213ff847 (diff)
Merge commit 'v2.6.30-rc5' into core/iommu
Merge reason: core/iommu was on an .30-rc1 base, update it to .30-rc5 to refresh. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib')
-rw-r--r--lib/Kconfig.debug8
-rw-r--r--lib/Makefile2
-rw-r--r--lib/debug_locks.c2
-rw-r--r--lib/dma-debug.c53
-rw-r--r--lib/kobject.c3
-rw-r--r--lib/kobject_uevent.c4
-rw-r--r--lib/scatterlist.c9
-rw-r--r--lib/vsprintf.c16
8 files changed, 18 insertions, 79 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index c6e854f215f..812c28207ba 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
diff --git a/lib/Makefile b/lib/Makefile
index d6edd6753f4..33a40e40e3e 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/debug_locks.c b/lib/debug_locks.c
index 0218b4693dd..bc3b11731b9 100644
--- a/lib/debug_locks.c
+++ b/lib/debug_locks.c
@@ -36,7 +36,7 @@ int debug_locks_silent;
*/
int debug_locks_off(void)
{
- if (xchg(&debug_locks, 0)) {
+ if (__debug_locks_off()) {
if (!debug_locks_silent) {
oops_in_progress = 1;
console_verbose();
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 5d61019330c..cdd205d6bf7 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -458,60 +458,9 @@ 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 a6dec32f2dd..bacf6fe4f7a 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 97a777ad4f5..920a3ca6e25 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 b7b449dafbe..a295e404e90 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 */
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index be3001f912e..7536acea135 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -1051,13 +1051,6 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
if (str < end)
*str = '%';
++str;
- if (*fmt) {
- if (str < end)
- *str = *fmt;
- ++str;
- } else {
- --fmt;
- }
break;
case FORMAT_TYPE_NRCHARS: {
@@ -1339,8 +1332,6 @@ do { \
break;
case FORMAT_TYPE_INVALID:
- if (!*fmt)
- --fmt;
break;
case FORMAT_TYPE_NRCHARS: {
@@ -1523,13 +1514,6 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf)
if (str < end)
*str = '%';
++str;
- if (*fmt) {
- if (str < end)
- *str = *fmt;
- ++str;
- } else {
- --fmt;
- }
break;
case FORMAT_TYPE_NRCHARS: