Re: [PATCH v5 0/4] printk: replace ringbuffer

[Petr Mladek]

On Thu 2020-07-09 15:29:40, John Ogness wrote:
> Hello,
> 
> Here is a v5 for the first series to rework the printk
> subsystem. The v4 is here [0]. This first series
> only replaces the existing ringbuffer implementation. No locking
> is removed. The semantics/behavior of printk are kept the same
> except for a minor optimization that is reverted (patch 3).
> 
> John Ogness (4):
>   crash: add VMCOREINFO macro to define offset in a struct declared by
>     typedef
>   printk: add lockless ringbuffer
>   Revert "printk: lock/unlock console only for new logbuf entries"
>   printk: use the lockless ringbuffer

The patchset is committed in printk/linux.git, branch printk-rework.

I did not add any target kernel version into the topic branch name.
We could use it for the entire rework. The pieces would go into
mainline when we and linux-next are happy.

Best Regards,
Petr