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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-05-11 18:08:10 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-05-11 18:08:10 +0200
commit94cc2fde365fb4484080ea6675bb1e0c933f8002 (patch)
treea249c6f6b12ff2dbe39d78bfb050e9c28619bee9 /include/linux/sem.h
parent900aa8ad21587e909603f471b6cd81fd5338ec45 (diff)
parent8eb008c80841e3410ef2c043093478ea36bb5ff1 (diff)
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
drm-misc-next is still based on v4.16-rc7, and was getting a bit stale. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'include/linux/sem.h')
-rw-r--r--include/linux/sem.h40
1 files changed, 1 insertions, 39 deletions
diff --git a/include/linux/sem.h b/include/linux/sem.h
index 9badd322dcee..5608a500c43e 100644
--- a/include/linux/sem.h
+++ b/include/linux/sem.h
@@ -2,48 +2,10 @@
#ifndef _LINUX_SEM_H
#define _LINUX_SEM_H
-#include <linux/atomic.h>
-#include <linux/rcupdate.h>
-#include <linux/cache.h>
-#include <linux/time64.h>
#include <uapi/linux/sem.h>
struct task_struct;
-
-/* One semaphore structure for each semaphore in the system. */
-struct sem {
- int semval; /* current value */
- /*
- * PID of the process that last modified the semaphore. For
- * Linux, specifically these are:
- * - semop
- * - semctl, via SETVAL and SETALL.
- * - at task exit when performing undo adjustments (see exit_sem).
- */
- int sempid;
- spinlock_t lock; /* spinlock for fine-grained semtimedop */
- struct list_head pending_alter; /* pending single-sop operations */
- /* that alter the semaphore */
- struct list_head pending_const; /* pending single-sop operations */
- /* that do not alter the semaphore*/
- time_t sem_otime; /* candidate for sem_otime */
-} ____cacheline_aligned_in_smp;
-
-/* One sem_array data structure for each set of semaphores in the system. */
-struct sem_array {
- struct kern_ipc_perm sem_perm; /* permissions .. see ipc.h */
- time64_t sem_ctime; /* create/last semctl() time */
- struct list_head pending_alter; /* pending operations */
- /* that alter the array */
- struct list_head pending_const; /* pending complex operations */
- /* that do not alter semvals */
- struct list_head list_id; /* undo requests on this array */
- int sem_nsems; /* no. of semaphores in array */
- int complex_count; /* pending complex operations */
- unsigned int use_global_lock;/* >0: global lock required */
-
- struct sem sems[];
-} __randomize_layout;
+struct sem_undo_list;
#ifdef CONFIG_SYSVIPC