Re: [PATCH 1/11] Add generic helpers for arch IPI function calls

[Avi Kivity]

Jens Axboe wrote:
> > Introducing this fallback will make any usage from irq disabled context
> > deadlock prone.
> >
> > I rather like the current interface.
> >     
>
> Hmm good point, I'll back that bit out again.
>   

But then you need to fix all callers to handle errors.

Perhaps we need a new flag for failable async IPIs (or better, API).  
I'm pretty sure no one uses s_c_f_s() from irq disabled context on x86, 
since it will WARN_ON(irqs_disabled()).

--
error compiling committee.c: too many arguments to function

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