On Sat 2016-10-08 04:40:15, Sergey Senozhatsky wrote:
> On (10/06/16 16:56), Petr Mladek wrote:
> > The question is whether we need to store the flags in
> > a per-CPU variable. We might also store it on the stack
> > of the enter()/exit() function caller. I mean something like
>
> yes, let's keep it on the stack. this particular implementation
> was just an experiment, and I hate it. what I currently have in
> my tree:
>
> #define alt_printk_enter(flags) \
> do { \
> local_irq_save(flags); \
> __alt_printk_enter(); \
> } while (0)
>
> #define alt_printk_exit(flags) \
> do { \
> __alt_printk_exit(); \
> local_irq_restore(flags); \
> } while (0)
Looks fine to me.
Best Regards,
Petr
