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SubjectRe: [PATCH] printk: support structured and multi-facility log messages
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On Thu, 2012-04-05 at 21:47 +0200, Kay Sievers wrote:

> Better?
>
> [root@mop ~]# cat /dev/kmsg
[]
> 6,5,0; BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved)
> 6,6,0; BIOS-e820: 0000000000100000 - 000000001fffd000 (usable)
> 6 ,7,0; BIOS-e820: 000000001fffd000 - 0000000020000000 (reserved)

Not really, why the space between the 6 and the comma?

> This patch extends printk() to be able to attach arbitrary key/value
> pairs to logged messages,

Bad commit changelog.

It does not extend printk(). printk() is a function call.

It extends the message logging subsystem to include the
printk_emit() and vprintk_emit() functions, which can
add decidedly not arbitrary key/value pairs, but some
additional subsystem specific information.

> - Output of dev_printk() is reliably machine-readable now.

No, it's not.

An output header simply contains additional
structured information. The message portion
can still be arbitrary gobbledygook.

I still think this should be 3 patches not 1.




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