[PATCH v2 1/1] fbdev/core: Disable console-lock warnings when fb.lockless_register_fb is set

[Sergey Senozhatsky]

Hi,

On (07/19/18 12:20), Thomas Zimmermann wrote:
> Am 19.07.2018 um 12:05 schrieb Sergey Senozhatsky:
> > On (07/19/18 10:53), Petr Mladek wrote:
> >> Hmm, this approach is racy if there are other users
> >> saving/setting/restoring ignore_console_lock_warning in parallel.
> >> I mean that this works only when the entire safe/set/restore
> >> operation is nested or sequential.
> > 
> > Good point!
> > 
> > However, I tend to think that we don't need to care about it
> > that much. Having a counter to permit nesting would probably be
> > better, but, like you said, it's unlikely that we will see any
> > problems with ignore_console_lock_warning anyway. So we can keep
> > it simple [IOW - the way it is].
> 
> I just sent a new patch set based on atomic_t

Ah, just saw the new version.

> and TBH it's easier to use that this version. I only had to introduce
> the save-state variable in the caller because I couldn't do inc/dec.

No objections, if it makes your life easier.
Thanks.

	-ss