[PATCH 25/26 v5] printk: Add per_cpu printk func to allow printk to be diverted

From: "Steven Rostedt (Red Hat)" Being able to divert printk to call another function besides the normal logging is useful for such things like NMI handling. If some functions are to be called from NMI that does printk() it is possible to lock up the box if the nmi handler triggers when another

[PATCH 25/26 v5] printk: Add per_cpu printk func to allow printk to be diverted

From: Steven Rostedt (Red Hat) rost...@goodmis.org Being able to divert printk to call another function besides the normal logging is useful for such things like NMI handling. If some functions are to be called from NMI that does printk() it is possible to lock up the box if the nmi handler