Merge tag 'printk-for-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux

Pull printk fix from Petr Mladek:

 - Prevent scheduling in an atomic context when printk() takes over the
   console flushing duty

* tag 'printk-for-6.9-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
  printk: Update @console_may_schedule in console_trylock_spinning()

1 files changed, 6 insertions, 0 deletions

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index ca5146006b94..adf99c05adca 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2009,6 +2009,12 @@ static int console_trylock_spinning(void)
 	 */
 	mutex_acquire(&console_lock_dep_map, 0, 1, _THIS_IP_);
 
+	/*
+	 * Update @console_may_schedule for trylock because the previous
+	 * owner may have been schedulable.
+	 */
+	console_may_schedule = 0;
+
 	return 1;
 }