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authorLinus Torvalds <torvalds@linux-foundation.org>2017-07-03 21:13:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-03 21:13:25 -0700
commit650fc870a2ef35b83397eebd35b8c8df211bff78 (patch)
tree14a293fa894d0f166aa60f1f5ca672a2bdb312c0 /kernel/futex.c
parentf4dd029ee0b92b77769a1ac6dce03e829e74763e (diff)
parent1cb566ba5634d7593b8b2a0a5c83f1c9e14b2e09 (diff)
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Merge tag 'docs-4.13' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet: "There has been a fair amount of activity in the docs tree this time around. Highlights include: - Conversion of a bunch of security documentation into RST - The conversion of the remaining DocBook templates by The Amazing Mauro Machine. We can now drop the entire DocBook build chain. - The usual collection of fixes and minor updates" * tag 'docs-4.13' of git://git.lwn.net/linux: (90 commits) scripts/kernel-doc: handle DECLARE_HASHTABLE Documentation: atomic_ops.txt is core-api/atomic_ops.rst Docs: clean up some DocBook loose ends Make the main documentation title less Geocities Docs: Use kernel-figure in vidioc-g-selection.rst Docs: fix table problems in ras.rst Docs: Fix breakage with Sphinx 1.5 and upper Docs: Include the Latex "ifthen" package doc/kokr/howto: Only send regression fixes after -rc1 docs-rst: fix broken links to dynamic-debug-howto in kernel-parameters doc: Document suitability of IBM Verse for kernel development Doc: fix a markup error in coding-style.rst docs: driver-api: i2c: remove some outdated information Documentation: DMA API: fix a typo in a function name Docs: Insert missing space to separate link from text doc/ko_KR/memory-barriers: Update control-dependencies example Documentation, kbuild: fix typo "minimun" -> "minimum" docs: Fix some formatting issues in request-key.rst doc: ReSTify keys-trusted-encrypted.txt doc: ReSTify keys-request-key.txt ...
Diffstat (limited to 'kernel/futex.c')
-rw-r--r--kernel/futex.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/kernel/futex.c b/kernel/futex.c
index d6cf71d08f21..c934689043b2 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -488,7 +488,7 @@ static void drop_futex_key_refs(union futex_key *key)
*
* Return: a negative error code or 0
*
- * The key words are stored in *key on success.
+ * The key words are stored in @key on success.
*
* For shared mappings, it's (page->index, file_inode(vma->vm_file),
* offset_within_page). For private mappings, it's (uaddr, current->mm).
@@ -1259,9 +1259,9 @@ static int lock_pi_update_atomic(u32 __user *uaddr, u32 uval, u32 newval)
* @set_waiters: force setting the FUTEX_WAITERS bit (1) or not (0)
*
* Return:
- * 0 - ready to wait;
- * 1 - acquired the lock;
- * <0 - error
+ * - 0 - ready to wait;
+ * - 1 - acquired the lock;
+ * - <0 - error
*
* The hb->lock and futex_key refs shall be held by the caller.
*/
@@ -1717,9 +1717,9 @@ void requeue_pi_wake_futex(struct futex_q *q, union futex_key *key,
* hb1 and hb2 must be held by the caller.
*
* Return:
- * 0 - failed to acquire the lock atomically;
- * >0 - acquired the lock, return value is vpid of the top_waiter
- * <0 - error
+ * - 0 - failed to acquire the lock atomically;
+ * - >0 - acquired the lock, return value is vpid of the top_waiter
+ * - <0 - error
*/
static int futex_proxy_trylock_atomic(u32 __user *pifutex,
struct futex_hash_bucket *hb1,
@@ -1785,8 +1785,8 @@ static int futex_proxy_trylock_atomic(u32 __user *pifutex,
* uaddr2 atomically on behalf of the top waiter.
*
* Return:
- * >=0 - on success, the number of tasks requeued or woken;
- * <0 - on error
+ * - >=0 - on success, the number of tasks requeued or woken;
+ * - <0 - on error
*/
static int futex_requeue(u32 __user *uaddr1, unsigned int flags,
u32 __user *uaddr2, int nr_wake, int nr_requeue,
@@ -2142,8 +2142,8 @@ static inline void queue_me(struct futex_q *q, struct futex_hash_bucket *hb)
* be paired with exactly one earlier call to queue_me().
*
* Return:
- * 1 - if the futex_q was still queued (and we removed unqueued it);
- * 0 - if the futex_q was already removed by the waking thread
+ * - 1 - if the futex_q was still queued (and we removed unqueued it);
+ * - 0 - if the futex_q was already removed by the waking thread
*/
static int unqueue_me(struct futex_q *q)
{
@@ -2333,9 +2333,9 @@ static long futex_wait_restart(struct restart_block *restart);
* acquire the lock. Must be called with the hb lock held.
*
* Return:
- * 1 - success, lock taken;
- * 0 - success, lock not taken;
- * <0 - on error (-EFAULT)
+ * - 1 - success, lock taken;
+ * - 0 - success, lock not taken;
+ * - <0 - on error (-EFAULT)
*/
static int fixup_owner(u32 __user *uaddr, struct futex_q *q, int locked)
{
@@ -2422,8 +2422,8 @@ static void futex_wait_queue_me(struct futex_hash_bucket *hb, struct futex_q *q,
* with no q.key reference on failure.
*
* Return:
- * 0 - uaddr contains val and hb has been locked;
- * <1 - -EFAULT or -EWOULDBLOCK (uaddr does not contain val) and hb is unlocked
+ * - 0 - uaddr contains val and hb has been locked;
+ * - <1 - -EFAULT or -EWOULDBLOCK (uaddr does not contain val) and hb is unlocked
*/
static int futex_wait_setup(u32 __user *uaddr, u32 val, unsigned int flags,
struct futex_q *q, struct futex_hash_bucket **hb)
@@ -2895,8 +2895,8 @@ pi_faulted:
* called with the hb lock held.
*
* Return:
- * 0 = no early wakeup detected;
- * <0 = -ETIMEDOUT or -ERESTARTNOINTR
+ * - 0 = no early wakeup detected;
+ * - <0 = -ETIMEDOUT or -ERESTARTNOINTR
*/
static inline
int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb,
@@ -2968,8 +2968,8 @@ int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb,
* If 4 or 7, we cleanup and return with -ETIMEDOUT.
*
* Return:
- * 0 - On success;
- * <0 - On error
+ * - 0 - On success;
+ * - <0 - On error
*/
static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags,
u32 val, ktime_t *abs_time, u32 bitset,