diff options
Diffstat (limited to 'kernel/printk/printk.c')
| -rw-r--r-- | kernel/printk/printk.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 2f4af216bd6e..3f041e7cbfc9 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1908,6 +1908,7 @@ asmlinkage int vprintk_emit(int facility, int level, preempt_enable(); } + wake_up_klogd(); return printed_len; } EXPORT_SYMBOL(vprintk_emit); @@ -2242,6 +2243,7 @@ int is_console_locked(void) { return console_locked; } +EXPORT_SYMBOL(is_console_locked); /* * Check if we have any console that is capable of printing while cpu is @@ -2289,9 +2291,7 @@ void console_unlock(void) { static char ext_text[CONSOLE_EXT_LOG_MAX]; static char text[LOG_LINE_MAX + PREFIX_MAX]; - static u64 seen_seq; unsigned long flags; - bool wake_klogd = false; bool do_cond_resched, retry; if (console_suspended) { @@ -2335,11 +2335,6 @@ again: printk_safe_enter_irqsave(flags); raw_spin_lock(&logbuf_lock); - if (seen_seq != log_next_seq) { - wake_klogd = true; - seen_seq = log_next_seq; - } - if (console_seq < log_first_seq) { len = sprintf(text, "** %u printk messages dropped **\n", (unsigned)(log_first_seq - console_seq)); @@ -2397,7 +2392,7 @@ skip: if (console_lock_spinning_disable_and_check()) { printk_safe_exit_irqrestore(flags); - goto out; + return; } printk_safe_exit_irqrestore(flags); @@ -2429,10 +2424,6 @@ skip: if (retry && console_trylock()) goto again; - -out: - if (wake_klogd) - wake_up_klogd(); } EXPORT_SYMBOL(console_unlock); |