}
/*
- * Return true when this CPU should unlock console_sem without pushing all
- * messages to the console. This reduces the chance that the console is
- * locked when the panic CPU tries to use it.
+ * Return true if a panic is in progress on a remote CPU.
+ *
+ * On true, the local CPU should immediately release any printing resources
+ * that may be needed by the panic CPU.
*/
-static bool abandon_console_lock_in_panic(void)
+bool other_cpu_in_panic(void)
{
if (!panic_in_progress())
return false;
might_sleep();
/* On panic, the console_lock must be left to the panic cpu. */
- while (abandon_console_lock_in_panic())
+ while (other_cpu_in_panic())
msleep(1000);
down_console_sem();
int console_trylock(void)
{
/* On panic, the console_lock must be left to the panic cpu. */
- if (abandon_console_lock_in_panic())
+ if (other_cpu_in_panic())
return 0;
if (down_trylock_console_sem())
return 0;
any_progress = true;
/* Allow panic_cpu to take over the consoles safely. */
- if (abandon_console_lock_in_panic())
+ if (other_cpu_in_panic())
goto abandon;
if (do_cond_resched)