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-rw-r--r--lib/Kconfig12
-rw-r--r--lib/Kconfig.debug21
-rw-r--r--lib/Makefile1
-rw-r--r--lib/crc-t10dif.c73
-rw-r--r--lib/debugobjects.c20
-rw-r--r--lib/dump_stack.c4
-rw-r--r--lib/dynamic_debug.c2
-rw-r--r--lib/earlycpio.c29
-rw-r--r--lib/kobject.c22
-rw-r--r--lib/lockref.c128
-rw-r--r--lib/lz4/lz4_compress.c4
-rw-r--r--lib/lz4/lz4_decompress.c6
-rw-r--r--lib/lz4/lz4hc_compress.c4
-rw-r--r--lib/mpi/longlong.h17
-rw-r--r--lib/percpu_counter.c2
15 files changed, 268 insertions, 77 deletions
diff --git a/lib/Kconfig b/lib/Kconfig
index 35da51359d40..65561716c16c 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -48,6 +48,16 @@ config STMP_DEVICE
config PERCPU_RWSEM
boolean
+config ARCH_USE_CMPXCHG_LOCKREF
+ bool
+
+config CMPXCHG_LOCKREF
+ def_bool y if ARCH_USE_CMPXCHG_LOCKREF
+ depends on SMP
+ depends on !GENERIC_LOCKBREAK
+ depends on !DEBUG_SPINLOCK
+ depends on !DEBUG_LOCK_ALLOC
+
config CRC_CCITT
tristate "CRC-CCITT functions"
help
@@ -66,8 +76,6 @@ config CRC16
config CRC_T10DIF
tristate "CRC calculation for the T10 Data Integrity Field"
- select CRYPTO
- select CRYPTO_CRCT10DIF
help
This option is only needed if a module that's not in the
kernel tree needs to calculate CRC checks for use with the
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 98ac17ed6222..444e1c12fea9 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -238,7 +238,7 @@ config DEBUG_SECTION_MISMATCH
any use of code/data previously in these sections would
most likely result in an oops.
In the code, functions and variables are annotated with
- __init, __cpuinit, etc. (see the full list in include/linux/init.h),
+ __init,, etc. (see the full list in include/linux/init.h),
which results in the code/data being placed in specific sections.
The section mismatch analysis is always performed after a full
kernel build, and enabling this option causes the following
@@ -981,6 +981,25 @@ config DEBUG_KOBJECT
If you say Y here, some extra kobject debugging messages will be sent
to the syslog.
+config DEBUG_KOBJECT_RELEASE
+ bool "kobject release debugging"
+ depends on DEBUG_KERNEL
+ help
+ kobjects are reference counted objects. This means that their
+ last reference count put is not predictable, and the kobject can
+ live on past the point at which a driver decides to drop it's
+ initial reference to the kobject gained on allocation. An
+ example of this would be a struct device which has just been
+ unregistered.
+
+ However, some buggy drivers assume that after such an operation,
+ the memory backing the kobject can be immediately freed. This
+ goes completely against the principles of a refcounted object.
+
+ If you say Y here, the kernel will delay the release of kobjects
+ on the last reference count to improve the visibility of this
+ kind of kobject release bug.
+
config HAVE_DEBUG_BUGVERBOSE
bool
diff --git a/lib/Makefile b/lib/Makefile
index 7baccfd8a4e9..f2cb3082697c 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -20,6 +20,7 @@ lib-$(CONFIG_MMU) += ioremap.o
lib-$(CONFIG_SMP) += cpumask.o
lib-y += kobject.o klist.o
+obj-y += lockref.o
obj-y += bcd.o div64.o sort.o parser.o halfmd4.o debug_locks.o random32.o \
bust_spinlocks.o hexdump.o kasprintf.o bitmap.o scatterlist.o \
diff --git a/lib/crc-t10dif.c b/lib/crc-t10dif.c
index fe3428c07b47..fbbd66ed86cd 100644
--- a/lib/crc-t10dif.c
+++ b/lib/crc-t10dif.c
@@ -11,44 +11,57 @@
#include <linux/types.h>
#include <linux/module.h>
#include <linux/crc-t10dif.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <crypto/hash.h>
-static struct crypto_shash *crct10dif_tfm;
+/* Table generated using the following polynomium:
+ * x^16 + x^15 + x^11 + x^9 + x^8 + x^7 + x^5 + x^4 + x^2 + x + 1
+ * gt: 0x8bb7
+ */
+static const __u16 t10_dif_crc_table[256] = {
+ 0x0000, 0x8BB7, 0x9CD9, 0x176E, 0xB205, 0x39B2, 0x2EDC, 0xA56B,
+ 0xEFBD, 0x640A, 0x7364, 0xF8D3, 0x5DB8, 0xD60F, 0xC161, 0x4AD6,
+ 0x54CD, 0xDF7A, 0xC814, 0x43A3, 0xE6C8, 0x6D7F, 0x7A11, 0xF1A6,
+ 0xBB70, 0x30C7, 0x27A9, 0xAC1E, 0x0975, 0x82C2, 0x95AC, 0x1E1B,
+ 0xA99A, 0x222D, 0x3543, 0xBEF4, 0x1B9F, 0x9028, 0x8746, 0x0CF1,
+ 0x4627, 0xCD90, 0xDAFE, 0x5149, 0xF422, 0x7F95, 0x68FB, 0xE34C,
+ 0xFD57, 0x76E0, 0x618E, 0xEA39, 0x4F52, 0xC4E5, 0xD38B, 0x583C,
+ 0x12EA, 0x995D, 0x8E33, 0x0584, 0xA0EF, 0x2B58, 0x3C36, 0xB781,
+ 0xD883, 0x5334, 0x445A, 0xCFED, 0x6A86, 0xE131, 0xF65F, 0x7DE8,
+ 0x373E, 0xBC89, 0xABE7, 0x2050, 0x853B, 0x0E8C, 0x19E2, 0x9255,
+ 0x8C4E, 0x07F9, 0x1097, 0x9B20, 0x3E4B, 0xB5FC, 0xA292, 0x2925,
+ 0x63F3, 0xE844, 0xFF2A, 0x749D, 0xD1F6, 0x5A41, 0x4D2F, 0xC698,
+ 0x7119, 0xFAAE, 0xEDC0, 0x6677, 0xC31C, 0x48AB, 0x5FC5, 0xD472,
+ 0x9EA4, 0x1513, 0x027D, 0x89CA, 0x2CA1, 0xA716, 0xB078, 0x3BCF,
+ 0x25D4, 0xAE63, 0xB90D, 0x32BA, 0x97D1, 0x1C66, 0x0B08, 0x80BF,
+ 0xCA69, 0x41DE, 0x56B0, 0xDD07, 0x786C, 0xF3DB, 0xE4B5, 0x6F02,
+ 0x3AB1, 0xB106, 0xA668, 0x2DDF, 0x88B4, 0x0303, 0x146D, 0x9FDA,
+ 0xD50C, 0x5EBB, 0x49D5, 0xC262, 0x6709, 0xECBE, 0xFBD0, 0x7067,
+ 0x6E7C, 0xE5CB, 0xF2A5, 0x7912, 0xDC79, 0x57CE, 0x40A0, 0xCB17,
+ 0x81C1, 0x0A76, 0x1D18, 0x96AF, 0x33C4, 0xB873, 0xAF1D, 0x24AA,
+ 0x932B, 0x189C, 0x0FF2, 0x8445, 0x212E, 0xAA99, 0xBDF7, 0x3640,
+ 0x7C96, 0xF721, 0xE04F, 0x6BF8, 0xCE93, 0x4524, 0x524A, 0xD9FD,
+ 0xC7E6, 0x4C51, 0x5B3F, 0xD088, 0x75E3, 0xFE54, 0xE93A, 0x628D,
+ 0x285B, 0xA3EC, 0xB482, 0x3F35, 0x9A5E, 0x11E9, 0x0687, 0x8D30,
+ 0xE232, 0x6985, 0x7EEB, 0xF55C, 0x5037, 0xDB80, 0xCCEE, 0x4759,
+ 0x0D8F, 0x8638, 0x9156, 0x1AE1, 0xBF8A, 0x343D, 0x2353, 0xA8E4,
+ 0xB6FF, 0x3D48, 0x2A26, 0xA191, 0x04FA, 0x8F4D, 0x9823, 0x1394,
+ 0x5942, 0xD2F5, 0xC59B, 0x4E2C, 0xEB47, 0x60F0, 0x779E, 0xFC29,
+ 0x4BA8, 0xC01F, 0xD771, 0x5CC6, 0xF9AD, 0x721A, 0x6574, 0xEEC3,
+ 0xA415, 0x2FA2, 0x38CC, 0xB37B, 0x1610, 0x9DA7, 0x8AC9, 0x017E,
+ 0x1F65, 0x94D2, 0x83BC, 0x080B, 0xAD60, 0x26D7, 0x31B9, 0xBA0E,
+ 0xF0D8, 0x7B6F, 0x6C01, 0xE7B6, 0x42DD, 0xC96A, 0xDE04, 0x55B3
+};
__u16 crc_t10dif(const unsigned char *buffer, size_t len)
{
- struct {
- struct shash_desc shash;
- char ctx[2];
- } desc;
- int err;
-
- desc.shash.tfm = crct10dif_tfm;
- desc.shash.flags = 0;
- *(__u16 *)desc.ctx = 0;
+ __u16 crc = 0;
+ unsigned int i;
- err = crypto_shash_update(&desc.shash, buffer, len);
- BUG_ON(err);
+ for (i = 0 ; i < len ; i++)
+ crc = (crc << 8) ^ t10_dif_crc_table[((crc >> 8) ^ buffer[i]) & 0xff];
- return *(__u16 *)desc.ctx;
+ return crc;
}
EXPORT_SYMBOL(crc_t10dif);
-static int __init crc_t10dif_mod_init(void)
-{
- crct10dif_tfm = crypto_alloc_shash("crct10dif", 0, 0);
- return PTR_RET(crct10dif_tfm);
-}
-
-static void __exit crc_t10dif_mod_fini(void)
-{
- crypto_free_shash(crct10dif_tfm);
-}
-
-module_init(crc_t10dif_mod_init);
-module_exit(crc_t10dif_mod_fini);
-
MODULE_DESCRIPTION("T10 DIF CRC calculation");
MODULE_LICENSE("GPL");
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 37061ede8b81..bf2c8b1043d8 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -381,19 +381,21 @@ void debug_object_init_on_stack(void *addr, struct debug_obj_descr *descr)
* debug_object_activate - debug checks when an object is activated
* @addr: address of the object
* @descr: pointer to an object specific debug description structure
+ * Returns 0 for success, -EINVAL for check failed.
*/
-void debug_object_activate(void *addr, struct debug_obj_descr *descr)
+int debug_object_activate(void *addr, struct debug_obj_descr *descr)
{
enum debug_obj_state state;
struct debug_bucket *db;
struct debug_obj *obj;
unsigned long flags;
+ int ret;
struct debug_obj o = { .object = addr,
.state = ODEBUG_STATE_NOTAVAILABLE,
.descr = descr };
if (!debug_objects_enabled)
- return;
+ return 0;
db = get_bucket((unsigned long) addr);
@@ -405,23 +407,26 @@ void debug_object_activate(void *addr, struct debug_obj_descr *descr)
case ODEBUG_STATE_INIT:
case ODEBUG_STATE_INACTIVE:
obj->state = ODEBUG_STATE_ACTIVE;
+ ret = 0;
break;
case ODEBUG_STATE_ACTIVE:
debug_print_object(obj, "activate");
state = obj->state;
raw_spin_unlock_irqrestore(&db->lock, flags);
- debug_object_fixup(descr->fixup_activate, addr, state);
- return;
+ ret = debug_object_fixup(descr->fixup_activate, addr, state);
+ return ret ? -EINVAL : 0;
case ODEBUG_STATE_DESTROYED:
debug_print_object(obj, "activate");
+ ret = -EINVAL;
break;
default:
+ ret = 0;
break;
}
raw_spin_unlock_irqrestore(&db->lock, flags);
- return;
+ return ret;
}
raw_spin_unlock_irqrestore(&db->lock, flags);
@@ -431,8 +436,11 @@ void debug_object_activate(void *addr, struct debug_obj_descr *descr)
* true or not.
*/
if (debug_object_fixup(descr->fixup_activate, addr,
- ODEBUG_STATE_NOTAVAILABLE))
+ ODEBUG_STATE_NOTAVAILABLE)) {
debug_print_object(&o, "activate");
+ return -EINVAL;
+ }
+ return 0;
}
/**
diff --git a/lib/dump_stack.c b/lib/dump_stack.c
index c03154173cc7..f23b63f0a1c3 100644
--- a/lib/dump_stack.c
+++ b/lib/dump_stack.c
@@ -23,7 +23,7 @@ static void __dump_stack(void)
#ifdef CONFIG_SMP
static atomic_t dump_lock = ATOMIC_INIT(-1);
-void dump_stack(void)
+asmlinkage void dump_stack(void)
{
int was_locked;
int old;
@@ -55,7 +55,7 @@ retry:
preempt_enable();
}
#else
-void dump_stack(void)
+asmlinkage void dump_stack(void)
{
__dump_stack();
}
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 99fec3ae405a..c37aeacd7651 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -309,7 +309,7 @@ static int ddebug_parse_query(char *words[], int nwords,
struct ddebug_query *query, const char *modname)
{
unsigned int i;
- int rc;
+ int rc = 0;
/* check we have an even number of words */
if (nwords % 2 != 0) {
diff --git a/lib/earlycpio.c b/lib/earlycpio.c
index 8078ef49cb79..3eb3e4722b8e 100644
--- a/lib/earlycpio.c
+++ b/lib/earlycpio.c
@@ -49,22 +49,23 @@ enum cpio_fields {
/**
* cpio_data find_cpio_data - Search for files in an uncompressed cpio
- * @path: The directory to search for, including a slash at the end
- * @data: Pointer to the the cpio archive or a header inside
- * @len: Remaining length of the cpio based on data pointer
- * @offset: When a matching file is found, this is the offset to the
- * beginning of the cpio. It can be used to iterate through
- * the cpio to find all files inside of a directory path
+ * @path: The directory to search for, including a slash at the end
+ * @data: Pointer to the the cpio archive or a header inside
+ * @len: Remaining length of the cpio based on data pointer
+ * @nextoff: When a matching file is found, this is the offset from the
+ * beginning of the cpio to the beginning of the next file, not the
+ * matching file itself. It can be used to iterate through the cpio
+ * to find all files inside of a directory path.
*
- * @return: struct cpio_data containing the address, length and
- * filename (with the directory path cut off) of the found file.
- * If you search for a filename and not for files in a directory,
- * pass the absolute path of the filename in the cpio and make sure
- * the match returned an empty filename string.
+ * @return: struct cpio_data containing the address, length and
+ * filename (with the directory path cut off) of the found file.
+ * If you search for a filename and not for files in a directory,
+ * pass the absolute path of the filename in the cpio and make sure
+ * the match returned an empty filename string.
*/
-struct cpio_data __cpuinit find_cpio_data(const char *path, void *data,
- size_t len, long *offset)
+struct cpio_data find_cpio_data(const char *path, void *data,
+ size_t len, long *nextoff)
{
const size_t cpio_header_len = 8*C_NFIELDS - 2;
struct cpio_data cd = { NULL, 0, "" };
@@ -124,7 +125,7 @@ struct cpio_data __cpuinit find_cpio_data(const char *path, void *data,
if ((ch[C_MODE] & 0170000) == 0100000 &&
ch[C_NAMESIZE] >= mypathsize &&
!memcmp(p, path, mypathsize)) {
- *offset = (long)nptr - (long)data;
+ *nextoff = (long)nptr - (long)data;
if (ch[C_NAMESIZE] - mypathsize >= MAX_CPIO_FILE_NAME) {
pr_warn(
"File %s exceeding MAX_CPIO_FILE_NAME [%d]\n",
diff --git a/lib/kobject.c b/lib/kobject.c
index 4a1f33d43548..1d46c151a4ae 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -545,8 +545,8 @@ static void kobject_cleanup(struct kobject *kobj)
struct kobj_type *t = get_ktype(kobj);
const char *name = kobj->name;
- pr_debug("kobject: '%s' (%p): %s\n",
- kobject_name(kobj), kobj, __func__);
+ pr_debug("kobject: '%s' (%p): %s, parent %p\n",
+ kobject_name(kobj), kobj, __func__, kobj->parent);
if (t && !t->release)
pr_debug("kobject: '%s' (%p): does not have a release() "
@@ -580,9 +580,25 @@ static void kobject_cleanup(struct kobject *kobj)
}
}
+#ifdef CONFIG_DEBUG_KOBJECT_RELEASE
+static void kobject_delayed_cleanup(struct work_struct *work)
+{
+ kobject_cleanup(container_of(to_delayed_work(work),
+ struct kobject, release));
+}
+#endif
+
static void kobject_release(struct kref *kref)
{
- kobject_cleanup(container_of(kref, struct kobject, kref));
+ struct kobject *kobj = container_of(kref, struct kobject, kref);
+#ifdef CONFIG_DEBUG_KOBJECT_RELEASE
+ pr_debug("kobject: '%s' (%p): %s, parent %p (delayed)\n",
+ kobject_name(kobj), kobj, __func__, kobj->parent);
+ INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup);
+ schedule_delayed_work(&kobj->release, HZ);
+#else
+ kobject_cleanup(kobj);
+#endif
}
/**
diff --git a/lib/lockref.c b/lib/lockref.c
new file mode 100644
index 000000000000..9d76f404ce9a
--- /dev/null
+++ b/lib/lockref.c
@@ -0,0 +1,128 @@
+#include <linux/export.h>
+#include <linux/lockref.h>
+
+#ifdef CONFIG_CMPXCHG_LOCKREF
+
+/*
+ * Note that the "cmpxchg()" reloads the "old" value for the
+ * failure case.
+ */
+#define CMPXCHG_LOOP(CODE, SUCCESS) do { \
+ struct lockref old; \
+ BUILD_BUG_ON(sizeof(old) != 8); \
+ old.lock_count = ACCESS_ONCE(lockref->lock_count); \
+ while (likely(arch_spin_value_unlocked(old.lock.rlock.raw_lock))) { \
+ struct lockref new = old, prev = old; \
+ CODE \
+ old.lock_count = cmpxchg(&lockref->lock_count, \
+ old.lock_count, new.lock_count); \
+ if (likely(old.lock_count == prev.lock_count)) { \
+ SUCCESS; \
+ } \
+ cpu_relax(); \
+ } \
+} while (0)
+
+#else
+
+#define CMPXCHG_LOOP(CODE, SUCCESS) do { } while (0)
+
+#endif
+
+/**
+ * lockref_get - Increments reference count unconditionally
+ * @lockcnt: pointer to lockref structure
+ *
+ * This operation is only valid if you already hold a reference
+ * to the object, so you know the count cannot be zero.
+ */
+void lockref_get(struct lockref *lockref)
+{
+ CMPXCHG_LOOP(
+ new.count++;
+ ,
+ return;
+ );
+
+ spin_lock(&lockref->lock);
+ lockref->count++;
+ spin_unlock(&lockref->lock);
+}
+EXPORT_SYMBOL(lockref_get);
+
+/**
+ * lockref_get_not_zero - Increments count unless the count is 0
+ * @lockcnt: pointer to lockref structure
+ * Return: 1 if count updated successfully or 0 if count was zero
+ */
+int lockref_get_not_zero(struct lockref *lockref)
+{
+ int retval;
+
+ CMPXCHG_LOOP(
+ new.count++;
+ if (!old.count)
+ return 0;
+ ,
+ return 1;
+ );
+
+ spin_lock(&lockref->lock);
+ retval = 0;
+ if (lockref->count) {
+ lockref->count++;
+ retval = 1;
+ }
+ spin_unlock(&lockref->lock);
+ return retval;
+}
+EXPORT_SYMBOL(lockref_get_not_zero);
+
+/**
+ * lockref_get_or_lock - Increments count unless the count is 0
+ * @lockcnt: pointer to lockref structure
+ * Return: 1 if count updated successfully or 0 if count was zero
+ * and we got the lock instead.
+ */
+int lockref_get_or_lock(struct lockref *lockref)
+{
+ CMPXCHG_LOOP(
+ new.count++;
+ if (!old.count)
+ break;
+ ,
+ return 1;
+ );
+
+ spin_lock(&lockref->lock);
+ if (!lockref->count)
+ return 0;
+ lockref->count++;
+ spin_unlock(&lockref->lock);
+ return 1;
+}
+EXPORT_SYMBOL(lockref_get_or_lock);
+
+/**
+ * lockref_put_or_lock - decrements count unless count <= 1 before decrement
+ * @lockcnt: pointer to lockref structure
+ * Return: 1 if count updated successfully or 0 if count <= 1 and lock taken
+ */
+int lockref_put_or_lock(struct lockref *lockref)
+{
+ CMPXCHG_LOOP(
+ new.count--;
+ if (old.count <= 1)
+ break;
+ ,
+ return 1;
+ );
+
+ spin_lock(&lockref->lock);
+ if (lockref->count <= 1)
+ return 0;
+ lockref->count--;
+ spin_unlock(&lockref->lock);
+ return 1;
+}
+EXPORT_SYMBOL(lockref_put_or_lock);
diff --git a/lib/lz4/lz4_compress.c b/lib/lz4/lz4_compress.c
index fd94058bd7f9..28321d8f75ef 100644
--- a/lib/lz4/lz4_compress.c
+++ b/lib/lz4/lz4_compress.c
@@ -437,7 +437,7 @@ int lz4_compress(const unsigned char *src, size_t src_len,
exit:
return ret;
}
-EXPORT_SYMBOL_GPL(lz4_compress);
+EXPORT_SYMBOL(lz4_compress);
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("LZ4 compressor");
diff --git a/lib/lz4/lz4_decompress.c b/lib/lz4/lz4_decompress.c
index d3414eae73a1..411be80ddb46 100644
--- a/lib/lz4/lz4_decompress.c
+++ b/lib/lz4/lz4_decompress.c
@@ -299,7 +299,7 @@ exit_0:
return ret;
}
#ifndef STATIC
-EXPORT_SYMBOL_GPL(lz4_decompress);
+EXPORT_SYMBOL(lz4_decompress);
#endif
int lz4_decompress_unknownoutputsize(const char *src, size_t src_len,
@@ -319,8 +319,8 @@ exit_0:
return ret;
}
#ifndef STATIC
-EXPORT_SYMBOL_GPL(lz4_decompress_unknownoutputsize);
+EXPORT_SYMBOL(lz4_decompress_unknownoutputsize);
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("LZ4 Decompressor");
#endif
diff --git a/lib/lz4/lz4hc_compress.c b/lib/lz4/lz4hc_compress.c
index eb1a74f5e368..f344f76b6559 100644
--- a/lib/lz4/lz4hc_compress.c
+++ b/lib/lz4/lz4hc_compress.c
@@ -533,7 +533,7 @@ int lz4hc_compress(const unsigned char *src, size_t src_len,
exit:
return ret;
}
-EXPORT_SYMBOL_GPL(lz4hc_compress);
+EXPORT_SYMBOL(lz4hc_compress);
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("LZ4HC compressor");
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index d411355f238e..aac511417ad1 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -151,15 +151,12 @@ do { \
#endif /* __a29k__ */
#if defined(__alpha) && W_TYPE_SIZE == 64
-#define umul_ppmm(ph, pl, m0, m1) \
-do { \
- UDItype __m0 = (m0), __m1 = (m1); \
- __asm__ ("umulh %r1,%2,%0" \
- : "=r" ((UDItype) ph) \
- : "%rJ" (__m0), \
- "rI" (__m1)); \
- (pl) = __m0 * __m1; \
- } while (0)
+#define umul_ppmm(ph, pl, m0, m1) \
+do { \
+ UDItype __m0 = (m0), __m1 = (m1); \
+ (ph) = __builtin_alpha_umulh(__m0, __m1); \
+ (pl) = __m0 * __m1; \
+} while (0)
#define UMUL_TIME 46
#ifndef LONGLONG_STANDALONE
#define udiv_qrnnd(q, r, n1, n0, d) \
@@ -167,7 +164,7 @@ do { UDItype __r; \
(q) = __udiv_qrnnd(&__r, (n1), (n0), (d)); \
(r) = __r; \
} while (0)
-extern UDItype __udiv_qrnnd();
+extern UDItype __udiv_qrnnd(UDItype *, UDItype, UDItype, UDItype);
#define UDIV_TIME 220
#endif /* LONGLONG_STANDALONE */
#endif /* __alpha */
diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index 1fc23a3277e1..93c5d5ecff4e 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -158,7 +158,7 @@ static void compute_batch_value(void)
percpu_counter_batch = max(32, nr*2);
}
-static int __cpuinit percpu_counter_hotcpu_callback(struct notifier_block *nb,
+static int percpu_counter_hotcpu_callback(struct notifier_block *nb,
unsigned long action, void *hcpu)
{
#ifdef CONFIG_HOTPLUG_CPU
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 17:42:42 +0000