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authorPeter Zijlstra <peterz@infradead.org>2025-11-21 11:21:20 +0100
committerPeter Zijlstra <peterz@infradead.org>2025-11-21 11:21:20 +0100
commit2ace52718376fdb56aca863da2eebe70d7e2ddb1 (patch)
tree494517cf79608fa93840a3c84ee5e6118da5f26f /include/linux/kernel.h
parenta53d0cf7f1cb3182ad533ff5cacfa5fd29c419ad (diff)
parent11991999a20145b7f8af21202d0cac6b1f90a6e4 (diff)
Merge branch 'objtool/core'
Bring in the UDB and objtool data annotations to avoid conflicts while further extending the bug exceptions. Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Diffstat (limited to 'include/linux/kernel.h')
-rw-r--r--include/linux/kernel.h21
1 files changed, 17 insertions, 4 deletions
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 989315dabb86..5b46924fdff5 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -164,11 +164,23 @@ extern int root_mountflags;
extern bool early_boot_irqs_disabled;
-/*
- * Values used for system_state. Ordering of the states must not be changed
+/**
+ * enum system_states - Values used for system_state.
+ *
+ * @SYSTEM_BOOTING: %0, no init needed
+ * @SYSTEM_SCHEDULING: system is ready for scheduling; OK to use RCU
+ * @SYSTEM_FREEING_INITMEM: system is freeing all of initmem; almost running
+ * @SYSTEM_RUNNING: system is up and running
+ * @SYSTEM_HALT: system entered clean system halt state
+ * @SYSTEM_POWER_OFF: system entered shutdown/clean power off state
+ * @SYSTEM_RESTART: system entered emergency power off or normal restart
+ * @SYSTEM_SUSPEND: system entered suspend or hibernate state
+ *
+ * Note:
+ * Ordering of the states must not be changed
* as code checks for <, <=, >, >= STATE.
*/
-extern enum system_states {
+enum system_states {
SYSTEM_BOOTING,
SYSTEM_SCHEDULING,
SYSTEM_FREEING_INITMEM,
@@ -177,7 +189,8 @@ extern enum system_states {
SYSTEM_POWER_OFF,
SYSTEM_RESTART,
SYSTEM_SUSPEND,
-} system_state;
+};
+extern enum system_states system_state;
/*
* General tracing related utility functions - trace_printk(),