The following commit has been merged into the sched/rt branch of tip: Commit-ID: d2e85ca7a736d2d889bac9aef6ede0a67f6870b2 Gitweb: https://git.kernel.org/tip/d2e85ca7a736d2d889bac9aef6ede0a67f6870b2 Author: John Ogness <john.ogness@xxxxxxxxxxxxx> AuthorDate: Tue, 20 Aug 2024 08:35:51 +02:06 Committer: Petr Mladek <pmladek@xxxxxxxx> CommitterDate: Wed, 21 Aug 2024 14:56:24 +02:00 printk: Flush nbcon consoles first on panic In console_flush_on_panic(), flush the nbcon consoles before flushing legacy consoles. The legacy write() callbacks are not fully safe when oops_in_progress is set. Signed-off-by: John Ogness <john.ogness@xxxxxxxxxxxxx> Reviewed-by: Petr Mladek <pmladek@xxxxxxxx> Link: https://lore.kernel.org/r/20240820063001.36405-26-john.ogness@xxxxxxxxxxxxx Signed-off-by: Petr Mladek <pmladek@xxxxxxxx> --- kernel/printk/printk.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 7c9f8f6..c6e6333 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -3269,6 +3269,9 @@ void console_flush_on_panic(enum con_flush_mode mode) if (mode == CONSOLE_REPLAY_ALL) __console_rewind_all(); + if (!have_boot_console) + nbcon_atomic_flush_pending(); + console_flush_all(false, &next_seq, &handover); }
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