Messages in this thread |  | | Date | Sun, 19 Jul 2020 12:43:12 +0900 | From | Sergey Senozhatsky <> | Subject | Re: [PATCH v5 4/4] printk: use the lockless ringbuffer |
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Hi Marco,
On (20/07/18 14:10), Marco Elver wrote: > > It seems this causes a regression observed at least with newline-only > printks. I noticed this during -next testing because various debugging > tools (K*SAN, lockdep, etc.) use e.g. pr_{err,warn,info}("\n") to format > reports. > > Without wanting to wait for a report from one of these debugging tools, > a simple reproducer is below. Without this patch, the expected newline > is printed.
Empty/blank lines carry no valuable payload, could you please explain why do you consider this to be a regression?
-ss
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