Messages in this thread Patch in this message | | | Date | Mon, 15 Feb 2016 22:20:34 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [lkp] [printk] af097cab1b: EIP is at vprintk_emit+0xab2/0xb5c |
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On (02/15/16 09:43), kernel test robot wrote: > FYI, we noticed the below changes on > > https://github.com/0day-ci/linux Sergey-Senozhatsky/printk-move-can_use_console-out-of-console_trylock_for_printk/20160213-024210 > commit af097cab1b878d5be746be8bcaa9a79986716c41 ("printk: set may_schedule for some of console_trylock callers")
Hello, thanks for reporting,
any chance you can test the patch below?
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kernel/printk/printk.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 9917f69..7268a40 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -2208,7 +2208,7 @@ void console_unlock(void) static u64 seen_seq; unsigned long flags; bool wake_klogd = false; - bool do_cond_resched, retry; + bool do_cond_resched, retry = false; if (console_suspended) { up_console_sem(); @@ -2241,7 +2241,8 @@ again: } /* flush buffered message fragment immediately to console */ - console_cont_flush(text, sizeof(text)); + if (!retry) + console_cont_flush(text, sizeof(text)); for (;;) { struct printk_log *msg;
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