diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/printk.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/kernel/printk.c b/kernel/printk.c index 7b432951f91..301fb0f09fb 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1230,12 +1230,13 @@ asmlinkage int vprintk_emit(int facility, int level, static size_t buflen; static int buflevel; static char textbuf[LOG_LINE_MAX]; + static struct task_struct *cont; char *text = textbuf; size_t textlen; unsigned long flags; int this_cpu; bool newline = false; - bool cont = false; + bool prefix = false; int printed_len = 0; boot_delay_msec(); @@ -1295,20 +1296,16 @@ asmlinkage int vprintk_emit(int facility, int level, case '0' ... '7': if (level == -1) level = text[1] - '0'; - text += 3; - textlen -= 3; - break; - case 'c': /* KERN_CONT */ - cont = true; case 'd': /* KERN_DEFAULT */ + prefix = true; + case 'c': /* KERN_CONT */ text += 3; textlen -= 3; - break; } } - if (buflen && (!cont || dict)) { - /* no continuation; flush existing buffer */ + if (buflen && (prefix || dict || cont != current)) { + /* flush existing buffer */ log_store(facility, buflevel, NULL, 0, buf, buflen); printed_len += buflen; buflen = 0; @@ -1342,6 +1339,10 @@ asmlinkage int vprintk_emit(int facility, int level, dict, dictlen, text, textlen); printed_len += textlen; } + cont = NULL; + } else { + /* remember thread which filled the buffer */ + cont = current; } /* |