The patch titled
kthread: move kernel-doc and put it into DocBook
has been added to the -mm tree. Its filename is
kthread-move-kernel-doc-and-put-it-into-docbook.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: kthread: move kernel-doc and put it into DocBook
From: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Move kthread API kernel-doc from kthread.h to kthread.c & fix it.
Add kthread API to kernel-api DocBook.
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
Documentation/DocBook/kernel-api.tmpl | 2
include/linux/kthread.h | 65 +-----------------------
kernel/kthread.c | 61 ++++++++++++++++++++++
3 files changed, 65 insertions(+), 63 deletions(-)
diff -puN Documentation/DocBook/kernel-api.tmpl~kthread-move-kernel-doc-and-put-it-into-docbook Documentation/DocBook/kernel-api.tmpl
--- a/Documentation/DocBook/kernel-api.tmpl~kthread-move-kernel-doc-and-put-it-into-docbook
+++ a/Documentation/DocBook/kernel-api.tmpl
@@ -62,6 +62,8 @@
<sect1><title>Internal Functions</title>
!Ikernel/exit.c
!Ikernel/signal.c
+!Iinclude/linux/kthread.h
+!Ekernel/kthread.c
</sect1>
<sect1><title>Kernel objects manipulation</title>
diff -puN include/linux/kthread.h~kthread-move-kernel-doc-and-put-it-into-docbook include/linux/kthread.h
--- a/include/linux/kthread.h~kthread-move-kernel-doc-and-put-it-into-docbook
+++ a/include/linux/kthread.h
@@ -4,37 +4,19 @@
#include <linux/err.h>
#include <linux/sched.h>
-/**
- * kthread_create: create a kthread.
- * @threadfn: the function to run until signal_pending(current).
- * @data: data ptr for @threadfn.
- * @namefmt: printf-style name for the thread.
- *
- * Description: This helper function creates and names a kernel
- * thread. The thread will be stopped: use wake_up_process() to start
- * it. See also kthread_run(), kthread_create_on_cpu().
- *
- * When woken, the thread will run @threadfn() with @data as its
- * argument. @threadfn can either call do_exit() directly if it is a
- * standalone thread for which noone will call kthread_stop(), or
- * return when 'kthread_should_stop()' is true (which means
- * kthread_stop() has been called). The return value should be zero
- * or a negative error number: it will be passed to kthread_stop().
- *
- * Returns a task_struct or ERR_PTR(-ENOMEM).
- */
struct task_struct *kthread_create(int (*threadfn)(void *data),
void *data,
const char namefmt[], ...);
/**
- * kthread_run: create and wake a thread.
+ * kthread_run - create and wake a thread.
* @threadfn: the function to run until signal_pending(current).
* @data: data ptr for @threadfn.
* @namefmt: printf-style name for the thread.
*
* Description: Convenient wrapper for kthread_create() followed by
- * wake_up_process(). Returns the kthread, or ERR_PTR(-ENOMEM). */
+ * wake_up_process(). Returns the kthread or ERR_PTR(-ENOMEM).
+ */
#define kthread_run(threadfn, data, namefmt, ...) \
({ \
struct task_struct *__k \
@@ -44,50 +26,9 @@ struct task_struct *kthread_create(int (
__k; \
})
-/**
- * kthread_bind: bind a just-created kthread to a cpu.
- * @k: thread created by kthread_create().
- * @cpu: cpu (might not be online, must be possible) for @k to run on.
- *
- * Description: This function is equivalent to set_cpus_allowed(),
- * except that @cpu doesn't need to be online, and the thread must be
- * stopped (ie. just returned from kthread_create().
- */
void kthread_bind(struct task_struct *k, unsigned int cpu);
-
-/**
- * kthread_stop: stop a thread created by kthread_create().
- * @k: thread created by kthread_create().
- *
- * Sets kthread_should_stop() for @k to return true, wakes it, and
- * waits for it to exit. Your threadfn() must not call do_exit()
- * itself if you use this function! This can also be called after
- * kthread_create() instead of calling wake_up_process(): the thread
- * will exit without calling threadfn().
- *
- * Returns the result of threadfn(), or -EINTR if wake_up_process()
- * was never called. */
int kthread_stop(struct task_struct *k);
-
-/**
- * kthread_stop_sem: stop a thread created by kthread_create().
- * @k: thread created by kthread_create().
- * @s: semaphore that @k waits on while idle.
- *
- * Does essentially the same thing as kthread_stop() above, but wakes
- * @k by calling up(@s).
- *
- * Returns the result of threadfn(), or -EINTR if wake_up_process()
- * was never called. */
int kthread_stop_sem(struct task_struct *k, struct semaphore *s);
-
-/**
- * kthread_should_stop: should this kthread return now?
- *
- * When someone calls kthread_stop on your kthread, it will be woken
- * and this will return true. You should then return, and your return
- * value will be passed through to kthread_stop().
- */
int kthread_should_stop(void);
#endif /* _LINUX_KTHREAD_H */
diff -puN kernel/kthread.c~kthread-move-kernel-doc-and-put-it-into-docbook kernel/kthread.c
--- a/kernel/kthread.c~kthread-move-kernel-doc-and-put-it-into-docbook
+++ a/kernel/kthread.c
@@ -45,6 +45,13 @@ struct kthread_stop_info
static DEFINE_MUTEX(kthread_stop_lock);
static struct kthread_stop_info kthread_stop_info;
+/**
+ * kthread_should_stop - should this kthread return now?
+ *
+ * When someone calls kthread_stop on your kthread, it will be woken
+ * and this will return true. You should then return, and your return
+ * value will be passed through to kthread_stop().
+ */
int kthread_should_stop(void)
{
return (kthread_stop_info.k == current);
@@ -122,6 +129,25 @@ static void keventd_create_kthread(void
complete(&create->done);
}
+/**
+ * kthread_create - create a kthread.
+ * @threadfn: the function to run until signal_pending(current).
+ * @data: data ptr for @threadfn.
+ * @namefmt: printf-style name for the thread.
+ *
+ * Description: This helper function creates and names a kernel
+ * thread. The thread will be stopped: use wake_up_process() to start
+ * it. See also kthread_run(), kthread_create_on_cpu().
+ *
+ * When woken, the thread will run @threadfn() with @data as its
+ * argument. @threadfn can either call do_exit() directly if it is a
+ * standalone thread for which noone will call kthread_stop(), or
+ * return when 'kthread_should_stop()' is true (which means
+ * kthread_stop() has been called). The return value should be zero
+ * or a negative error number; it will be passed to kthread_stop().
+ *
+ * Returns a task_struct or ERR_PTR(-ENOMEM).
+ */
struct task_struct *kthread_create(int (*threadfn)(void *data),
void *data,
const char namefmt[],
@@ -156,6 +182,15 @@ struct task_struct *kthread_create(int (
}
EXPORT_SYMBOL(kthread_create);
+/**
+ * kthread_bind - bind a just-created kthread to a cpu.
+ * @k: thread created by kthread_create().
+ * @cpu: cpu (might not be online, must be possible) for @k to run on.
+ *
+ * Description: This function is equivalent to set_cpus_allowed(),
+ * except that @cpu doesn't need to be online, and the thread must be
+ * stopped (i.e., just returned from kthread_create().
+ */
void kthread_bind(struct task_struct *k, unsigned int cpu)
{
BUG_ON(k->state != TASK_INTERRUPTIBLE);
@@ -166,12 +201,36 @@ void kthread_bind(struct task_struct *k,
}
EXPORT_SYMBOL(kthread_bind);
+/**
+ * kthread_stop - stop a thread created by kthread_create().
+ * @k: thread created by kthread_create().
+ *
+ * Sets kthread_should_stop() for @k to return true, wakes it, and
+ * waits for it to exit. Your threadfn() must not call do_exit()
+ * itself if you use this function! This can also be called after
+ * kthread_create() instead of calling wake_up_process(): the thread
+ * will exit without calling threadfn().
+ *
+ * Returns the result of threadfn(), or %-EINTR if wake_up_process()
+ * was never called.
+ */
int kthread_stop(struct task_struct *k)
{
return kthread_stop_sem(k, NULL);
}
EXPORT_SYMBOL(kthread_stop);
+/**
+ * kthread_stop_sem - stop a thread created by kthread_create().
+ * @k: thread created by kthread_create().
+ * @s: semaphore that @k waits on while idle.
+ *
+ * Does essentially the same thing as kthread_stop() above, but wakes
+ * @k by calling up(@s).
+ *
+ * Returns the result of threadfn(), or %-EINTR if wake_up_process()
+ * was never called.
+ */
int kthread_stop_sem(struct task_struct *k, struct semaphore *s)
{
int ret;
@@ -210,5 +269,5 @@ static __init int helper_init(void)
return 0;
}
-core_initcall(helper_init);
+core_initcall(helper_init);
_
Patches currently in -mm which might be from rdunlap@xxxxxxxxxxxx are
origin.patch
git-alsa.patch
git-dvb.patch
git-infiniband.patch
git-kbuild.patch
git-pcmcia.patch
lpfc-sparse-null-warnings.patch
aic7-cleanup-module_parm_desc-strings.patch
qla1280-fix-section-mismatch-warnings.patch
areca-raid-linux-scsi-driver.patch
git-watchdog.patch
slab-kmalloc-kzalloc-comments-cleanup-and-fix.patch
kernel-doc-for-mm-filemapc.patch
add-poisonh-and-patch-primary-users.patch
update-2-drivers-for-poisonh.patch
poison-add-use-more-constants.patch
add-doc-submitchecklist.patch
doc-add-audit-acct-to-docbook.patch
codingstyle-add-typedefs-chapter.patch
fix-listh-kernel-doc.patch
listh-doc-change-counter-to-control.patch
kernel-doc-drop-leading-space-in-sections.patch
kernel-doc-script-cleanups.patch
wd7000-fix-section-mismatch-warnings.patch
megaraid_mbox-fix-section-mismatch-warnings.patch
kernel-doc-mm-readhead-fixup.patch
checkstack-pirnt-module-names.patch
wan-sdla-section-fixes.patch
trident-fb-section-fixes.patch
cdrom-mcdx-section-fixes.patch
char-ip2-more-section-fixes-replacement.patch
advansys-section-fixes.patch
kernel-doc-warn-on-malformed-function-docs.patch
ide-floppy-fix-debug-only-syntax-error.patch
kernel-doc-for-lib-bitmapc.patch
kernel-doc-for-lib-cmdlinec.patch
kernel-doc-for-lib-crcc.patch
kernel-doc-dont-use-xml-escapes-in-text-or-man-output.patch
kernel-doc-use-members-for-struct-fields-consistently.patch
reed-solomon-fix-kernel-doc-comments.patch
ktime-hrtimer-fix-kernel-doc-comments.patch
dmi-cleanup-kernel-doc-add-to-docbook.patch
kthread-move-kernel-doc-and-put-it-into-docbook.patch
pi-futex-rt-mutex-docs-update.patch
acpi-identify-which-device-is-not-power-manageable.patch
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