Messages in this thread | | | Date | Tue, 20 Mar 2012 09:47:03 +0100 | From | Jiri Slaby <> | Subject | Re: [PATCH 2/9] ext4: Use pr_fmt and pr_<level> |
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On 03/20/2012 08:10 AM, David Miller wrote: > From: Valdis.Kletnieks@vt.edu > Date: Tue, 20 Mar 2012 01:46:06 -0400 > >> OK. Say I'm a scraper. How do I distinguish between: >> >> pr_info("foo"); >> printk(KERN_INFO "foo"); >> >> Oh my. seems that both result in exactly the same thing ending up in the >> dmesg buffer > > No it doesn't result in the same output, read the definitions again. > > pr_info can be influenced by pr_fmt, plain printk cannot
Ok, but how exactly does one select per-subsystem messages relying only on pr_fmt?
Joe writes: "notify a particular set of per subsystem messages that pr_<level> could easily provide"
Maybe the concept is not explained well enough that we do not follow?
thanks, -- js suse labs
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