Re: [PATCH printk v2 1/5] printk: track/limit recursion

2021-04-01 Thread Sergey Senozhatsky
On (21/04/01 12:00), Petr Mladek wrote: > On Tue 2021-03-30 17:35:08, John Ogness wrote: > > Currently the printk safe buffers provide a form of recursion > > protection by redirecting to the safe buffers whenever printk() is > > recursively called. > > > > In preparation for removal of the safe

Re: [PATCH printk v2 1/5] printk: track/limit recursion

2021-04-01 Thread Petr Mladek
On Tue 2021-03-30 17:35:08, John Ogness wrote: > Currently the printk safe buffers provide a form of recursion > protection by redirecting to the safe buffers whenever printk() is > recursively called. > > In preparation for removal of the safe buffers, provide an alternate > explicit recursion

[PATCH printk v2 1/5] printk: track/limit recursion

2021-03-30 Thread John Ogness
Currently the printk safe buffers provide a form of recursion protection by redirecting to the safe buffers whenever printk() is recursively called. In preparation for removal of the safe buffers, provide an alternate explicit recursion protection. Recursion is limited to 3 levels per-CPU and