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SubjectRe: [PATCH] printk: Remove no longer used LOG_PREFIX.
On (02/22/19 18:59), Tetsuo Handa wrote:
> When commit 5becfb1df5ac8e49 ("kmsg: merge continuation records while
> printing") introduced LOG_PREFIX, we used KERN_DEFAULT etc. as a flag
> for setting LOG_PREFIX in order to tell whether to call cont_add()
> (i.e. whether to append the message to "struct cont").
> But since commit 4bcc595ccd80decb ("printk: reinstate KERN_CONT for
> printing continuation lines") inverted the behavior (i.e. don't append
> the message to "struct cont" unless KERN_CONT is specified) and commit
> 5aa068ea4082b39e ("printk: remove games with previous record flags")
> removed the last LOG_PREFIX check, setting LOG_PREFIX via KERN_DEFAULT
> etc. is no longer meaningful.
> Therefore, we can remove LOG_PREFIX and make KERN_DEFAULT empty string.
> Signed-off-by: Tetsuo Handa <>

Looks good to me. Well, at least I don't see any problems with the patch.
We can do a tree-wide KERN_DEFAULT removal later.

Reviewed-by: Sergey Senozhatsky <>


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