On Mon, 2017-09-18 at 11:41 +0900, Sergey Senozhatsky wrote: > On (09/17/17 19:22), Joe Perches wrote: > > On Mon, 2017-09-18 at 09:46 +0900, Sergey Senozhatsky wrote: > > > there is another reason why I think that, yes, we probably better do > > > it some other way. and the reason is that not every message that looks > > > like !PREFIX (does not start with KERN_SOH_ASCII) is _actually_ a > > > !PREFIX message. the normal/usual way is to have something like > > > > > > printk(KERN_SOH_ASCII %d " foo bar / %s %s\n", "foo", "bar"); > > > > > > but some messages look like > > > > > > printk("%s", KERN_SOH_ASCII %d "foo bar\n"); > > > > There are no messages that look like that. > > > > There are 2 entries somewhat like that though > > > > net/bridge/netfilter/ebt_log.c: printk(KERN_SOH "%c%s IN=%s OUT=%s MAC > > source = %pM MAC dest = %pM proto = 0x%04x", > > net/netfilter/nf_log_common.c: nf_log_buf_add(m, KERN_SOH "%c%sIN=%s > > OUT=%s ", > > take a look at ACPI acpi_os_vprintf(). for instance.
I've looked. Try git grep KERN_SOH.