Re: [PATCH printk 00/18] preparation for threaded/atomic printing

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On Sat, Sep 24, 2022 at 02:10:36AM +0206, John Ogness wrote:
> Hi,
> 
> This series is essentially the first 18 patches of tglx's RFC series
> [0] with only minor changes in comments and commit messages. It's
> purpose is to lay the groundwork for the upcoming threaded/atomic
> console printing posted as the RFC series and demonstrated at
> LPC2022 [1].
> 
> This series is interesting for mainline because it cleans up various
> code and documentation quirks discovered while working on the new
> console printing implementation.
> 
> Aside from cleanups, the main features introduced here are:
> 
> - Converts the console's DIY linked list implementation to hlist.
> 
> - Introduces a console list lock (mutex) so that readers (such as
>   /proc/consoles) can safely iterate the consoles without blocking
>   console printing.
> 
> - Adds SRCU support to the console list to prepare for safe console
>   list iterating from any context.
> 
> - Refactors buffer handling to prepare for per-console, per-cpu,
>   per-context atomic printing.
> 
> The series has the following parts:
> 
>    Patches  1 - 5:   Cleanups
> 
>    Patches  6 - 12:  Locking and list conversion
> 
>    Patches 13 - 18:  Improved output buffer handling to prepare for
>                      code sharing
> 

These all look great to me, thanks for resending them.

Do you want them to go through my serial/tty tree, or is there some
other tree to take them through (printk?)

If they are to go through someone else's tree, feel free to add:

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>



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