Re: [PATCH printk v3 00/40] reduce console_lock scope

2022-11-11 Thread Mathieu Desnoyers
On 2022-11-07 09:15, John Ogness wrote: [...] The base commit for this series is from Paul McKenney's RCU tree and provides an NMI-safe SRCU implementation [1]. Without the NMI-safe SRCU implementation, this series is not less safe than mainline. But we will need the NMI-safe SRCU implementation

[PATCH printk v3 00/40] reduce console_lock scope

2022-11-07 Thread John Ogness
This is v3 of a series to prepare for threaded/atomic printing. v2 is here [0]. This series focuses on reducing the scope of the BKL console_lock. It achieves this by switching to SRCU and a dedicated mutex for console list iteration and modification, respectively. The console_lock will no longer o