Hello RT-list! I'm pleased to announce the 5.10.168-rt83 stable release. You can get this release via the git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git branch: v5.10-rt Head SHA1: d9e23cb3164dffbb59cd995fb652d99cb8e3bc56 Or to build 5.10.168-rt83 directly, the following patches should be applied: https://www.kernel.org/pub/linux/kernel/v5.x/linux-5.10.tar.xz https://www.kernel.org/pub/linux/kernel/v5.x/patch-5.10.168.xz https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patch-5.10.168-rt83.patch.xz Signing key fingerprint: 9354 0649 9972 8D31 D464 D140 F394 A423 F8E6 7C26 All keys used for the above files and repositories can be found on the following git repository: git://git.kernel.org/pub/scm/docs/kernel/pgpkeys.git Enjoy! Luis RT Changes since v5.10.165-rt81: --- John Ogness (1): printk: ignore consoles without write() callback --- kernel/printk/printk.c | 6 + 1 file changed, 6 insertions(+), 0 deletions(-) --- diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index d2205872304d..64747c72fbea 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2267,6 +2267,10 @@ static int printk_kthread_func(void *data) /* Must be called within console_lock(). */ static void start_printk_kthread(struct console *con) { + /* No need to start a printing thread if the console cannot print. */ + if (!con->write) + return; + con->thread = kthread_run(printk_kthread_func, con, "pr/%s%d", con->name, con->index); if (IS_ERR(con->thread)) { @@ -3566,6 +3570,8 @@ bool pr_flush(int timeout_ms, bool reset_on_progress) for_each_console(con) { if (!(con->flags & CON_ENABLED)) continue; + if (!con->write && !con->write_atomic) + continue; printk_seq = atomic64_read(&con->printk_seq); if (printk_seq < seq) diff += seq - printk_seq;