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authorPeter Zijlstra <peterz@infradead.org>2022-09-06 12:39:55 +0200
committerPeter Zijlstra <peterz@infradead.org>2022-09-07 21:53:49 +0200
commitf9fc8cad9728124cefe8844fb53d1814c92c6bfc (patch)
tree1d8a1b332af2b0f921951310852284b8e556f162 /include/linux/sched.h
parent9204a97f7ae862fc8a3330ec8335917534c3fb63 (diff)
sched: Add TASK_ANY for wait_task_inactive()
Now that wait_task_inactive()'s @match_state argument is a mask (like ttwu()) it is possible to replace the special !match_state case with an 'all-states' value such that any blocked state will match. Suggested-by: Ingo Molnar (mingo@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/YxhkzfuFTvRnpUaH@hirez.programming.kicks-ass.net
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e7b2f8a5c711..0facaadbae71 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -101,6 +101,8 @@ struct task_group;
#define TASK_RTLOCK_WAIT 0x1000
#define TASK_STATE_MAX 0x2000
+#define TASK_ANY (TASK_STATE_MAX-1)
+
/* Convenience macros for the sake of set_current_state: */
#define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE)
#define TASK_STOPPED (TASK_WAKEKILL | __TASK_STOPPED)