Messages in this thread | | | From | Sergey Senozhatsky <> | Date | Thu, 21 May 2020 13:32:09 +0900 | Subject | Re: [RFC PATCH 2/2] init: Allow multi-line output of kernel command line |
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On (20/05/20 13:36), Joe Perches wrote: > > We can split command line in a loop - memchr(pos, ' ') - and > > pr_cont() parts of the command line. pr_cont() has overflow > > control and it flushes cont buffer before it overflows, so > > we should not lose anything. > > It doesn't matter much here, but I believe > there's an 8k max buffer for pr_cont output. > > include/linux/printk.h:#define CONSOLE_EXT_LOG_MAX 8192
This is for extended payload - the key:value dictionaries which device core appends to normal printk() messages. We don't have that many consoles that handle extended output (netcon and, maybe, a few more).
-ss
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