[PATCH printk v4 2/3] printk: move dictionary keys to dev_printk_info

Petr Mladek pmladek at suse.com
Mon Sep 21 09:56:25 EDT 2020


On Mon 2020-09-21 13:24:45, John Ogness wrote:
> Dictionaries are only used for SUBSYSTEM and DEVICE properties. The
> current implementation stores the property names each time they are
> used. This requires more space than otherwise necessary. Also,
> because the dictionary entries are currently considered optional,
> it cannot be relied upon that they are always available, even if the
> writer wanted to store them. These issues will increase should new
> dictionary properties be introduced.
> 
> Rather than storing the subsystem and device properties in the
> dict ring, introduce a struct dev_printk_info with separate fields
> to store only the property values. Embed this struct within the
> struct printk_info to provide guaranteed availability.
> 
> Signed-off-by: John Ogness <john.ogness at linutronix.de>
> Reviewed-by: Petr Mladek <pmladek at suse.com>
> ---
>  Sorry. v3 did not include Petr's fixup correctly. @size was wrong.
>  Now it is correct.

I could confirm that the added line and the patch looks fine now.

Best Regards,
Petr



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