Author: hselasky
Date: Tue Mar 13 16:30:01 2018
New Revision: 330861
URL: https://svnweb.freebsd.org/changeset/base/330861

Log:
  MFC r330395:
  Implement DEFINE_WAIT_FUNC() function macro and default_wake_function()
  in the LinuxKPI.
  
  Submitted by: Johannes Lundberg <johal...@gmail.com>
  Sponsored by: Mellanox Technologies
  Sponsored by: Limelight Networks

Modified:
  stable/11/sys/compat/linuxkpi/common/include/linux/wait.h
  stable/11/sys/compat/linuxkpi/common/src/linux_schedule.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/compat/linuxkpi/common/include/linux/wait.h
==============================================================================
--- stable/11/sys/compat/linuxkpi/common/include/linux/wait.h   Tue Mar 13 
16:29:02 2018        (r330860)
+++ stable/11/sys/compat/linuxkpi/common/include/linux/wait.h   Tue Mar 13 
16:30:01 2018        (r330861)
@@ -76,13 +76,17 @@ struct wait_queue_head {
  * renamed and furthermore must be the default wait queue callback.
  */
 extern wait_queue_func_t autoremove_wake_function;
+extern wait_queue_func_t default_wake_function;
 
-#define        DEFINE_WAIT(name)                                               
\
+#define        DEFINE_WAIT_FUNC(name, function)                                
\
        wait_queue_t name = {                                           \
                .private = current,                                     \
-               .func = autoremove_wake_function,                       \
+               .func = function,                                       \
                .task_list = LINUX_LIST_HEAD_INIT(name.task_list)       \
        }
+
+#define        DEFINE_WAIT(name) \
+       DEFINE_WAIT_FUNC(name, autoremove_wake_function)
 
 #define        DECLARE_WAITQUEUE(name, task)                                   
\
        wait_queue_t name = {                                           \

Modified: stable/11/sys/compat/linuxkpi/common/src/linux_schedule.c
==============================================================================
--- stable/11/sys/compat/linuxkpi/common/src/linux_schedule.c   Tue Mar 13 
16:29:02 2018        (r330860)
+++ stable/11/sys/compat/linuxkpi/common/src/linux_schedule.c   Tue Mar 13 
16:30:01 2018        (r330861)
@@ -176,6 +176,13 @@ autoremove_wake_function(wait_queue_t *wq, unsigned in
        return (ret);
 }
 
+int
+default_wake_function(wait_queue_t *wq, unsigned int state, int flags,
+    void *key __unused)
+{
+       return (wake_up_task(wq->private, state));
+}
+
 void
 linux_wake_up(wait_queue_head_t *wqh, unsigned int state, int nr, bool locked)
 {
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