Messages in this thread | | | Date | Wed, 4 Jan 2017 17:28:25 +0100 | From | Petr Mladek <> | Subject | Re: [PATCHv7 8/8] printk: convert the rest to printk-safe |
| |
On Tue 2016-12-27 23:16:11, Sergey Senozhatsky wrote: > This patch converts the rest of logbuf users (which are > out of printk recursion case, but can deadlock in printk). > To make printk-safe usage easier the patch introduces 4 > helper macros: > - logbuf_lock_irq()/logbuf_unlock_irq() > lock/unlock the logbuf lock and disable/enable local IRQ > > - logbuf_lock_irqsave(flags)/logbuf_unlock_irqrestore(flags) > lock/unlock the logbuf lock and saves/restores local IRQ state > > Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
I like that it is so straigforward using the new macros. It is great that you discovered this before we finished the patchset.
Reviewed-by: Petr Mladek <pmladek@suse.com>
Best Regards, Petr
PS: All patches look fine to me. I am going to do some tests before I could say a final word. I guess that it will be fine and we will be able to push it to linux-next.
| |