Re: [PATCH printk v4 3/6] printk: remove safe buffers

2021-09-02 Thread Geert Uytterhoeven
Hi John, On Thu, Jul 15, 2021 at 9:53 PM John Ogness wrote: > With @logbuf_lock removed, the high level printk functions for > storing messages are lockless. Messages can be stored from any > context, so there is no need for the NMI and safe buffers anymore. > Remove the NMI and safe buffers. > >

Re: [PATCH printk v4 3/6] printk: remove safe buffers

2021-07-21 Thread Petr Mladek
On Thu 2021-07-15 21:39:56, John Ogness wrote: > With @logbuf_lock removed, the high level printk functions for > storing messages are lockless. Messages can be stored from any > context, so there is no need for the NMI and safe buffers anymore. > Remove the NMI and safe buffers. > > Although the

[PATCH printk v4 3/6] printk: remove safe buffers

2021-07-15 Thread John Ogness
With @logbuf_lock removed, the high level printk functions for storing messages are lockless. Messages can be stored from any context, so there is no need for the NMI and safe buffers anymore. Remove the NMI and safe buffers. Although the safe buffers are removed, the NMI and safe context tracking