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authorPetr Mladek <pmladek@suse.com>2023-10-11 12:58:14 +0200
committerPetr Mladek <pmladek@suse.com>2023-10-11 12:58:14 +0200
commit9277abd2c17272ed8fc1b842d9efa45797435b77 (patch)
treeba81f29f1bbd2b025d04e0e0e0e368451f9c2d85 /kernel/printk
parentMerge tag 'printk-for-6.6-fixup' of git://git.kernel.org/pub/scm/linux/kernel... (diff)
parentprintk: flush consoles before checking progress (diff)
downloadlinux-9277abd2c17272ed8fc1b842d9efa45797435b77.tar.xz
linux-9277abd2c17272ed8fc1b842d9efa45797435b77.zip
Merge branch 'rework/misc-cleanups' into for-linus
Diffstat (limited to 'kernel/printk')
-rw-r--r--kernel/printk/printk.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 7e0b4dd02398..0b3af1529778 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -3740,12 +3740,18 @@ static bool __pr_flush(struct console *con, int timeout_ms, bool reset_on_progre
seq = prb_next_seq(prb);
+ /* Flush the consoles so that records up to @seq are printed. */
+ console_lock();
+ console_unlock();
+
for (;;) {
diff = 0;
/*
* Hold the console_lock to guarantee safe access to
- * console->seq.
+ * console->seq. Releasing console_lock flushes more
+ * records in case @seq is still not printed on all
+ * usable consoles.
*/
console_lock();