On Tue, 2012-07-03 at 13:21 +0200, Kay Sievers wrote:
> On Tue, Jul 3, 2012 at 12:45 PM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> > Static checkers complain about the impossible condition here.
> >
> > In 084681d14e ('printk: flush continuation lines immediately to
> > console'), we changed msg->level from being a u16 to being an unsigned
> > 3 bit bitfield. That means we can remove the code here to handle log
> > levels which are in the tens or hundreds column.
>
> We should do that for the facility value, now that level is split up
> in separate fields. I'll prepare a fix.
Here it is. Nice tool, very useful.
Thanks again,
Kay
From: Kay Sievers <kay@xxxxxxxx>
Subject: kmsg: add the facility number to the syslog prefix
After the recent split of facility and level into separate variables,
we miss the facility value (always 0 for kernel-originated messages)
in the syslog prefix.
On Tue, Jul 3, 2012 at 12:45 PM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
> Static checkers complain about the impossible condition here.
>
> In 084681d14e ('printk: flush continuation lines immediately to
> console'), we changed msg->level from being a u16 to being an unsigned
> 3 bit bitfield.
Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Kay Sievers <kay@xxxxxxxx>
---
kernel/printk.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -818,15 +818,16 @@ static size_t print_time(u64 ts, char *b
static size_t print_prefix(const struct log *msg, bool syslog, char *buf)
{
size_t len = 0;
+ unsigned int prefix = (msg->facility << 3) | msg->level;
if (syslog) {
if (buf) {
- len += sprintf(buf, "<%u>", msg->level);
+ len += sprintf(buf, "<%u>", prefix);
} else {
len += 3;
- if (msg->level > 9)
+ if (prefix > 9)
len++;
- if (msg->level > 99)
+ if (prefix > 99)
len++;
}
}
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