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

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat 2022-09-24 02:10:36, 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
> 
> Thomas Gleixner (18):
>   printk: Make pr_flush() static
>   printk: Declare log_wait properly
>   printk: Remove write only variable nr_ext_console_drivers
>   printk: Remove bogus comment vs. boot consoles
>   printk: Mark __printk percpu data ready __ro_after_init

JFYI, I have pushed the first 5 cleanup patches into printk/linux.git,
branch rework/kthreads. The aim is to get them into 6.1.

The rest of the patchset is still being discussed.

Best Regards,
Petr



[Index of Archives]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux PPP]     [Linux FS]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Linmodem]     [Device Mapper]     [Linux Kernel for ARM]

  Powered by Linux