Re: [Qemu-devel] RFC [PATCH] Make bdrv_flush synchronous only and update callers

[Stefan Hajnoczi]

On Tue, Jul 23, 2013 at 01:10:35PM +0100, Gabriel Kerneis wrote:
> On Tue, Jul 23, 2013 at 02:05:15PM +0200, Stefan Hajnoczi wrote:
> > A built-time check for coroutine_fn would be valuable if we ever hope to
> > get disciplined with this annotation.
> > 
> > The check can detect when a coroutine_fn is invoked outside coroutine
> > context.  I wonder if Coccinelle can detect this, although I never
> > figured out how to use it as a grep-like tool instead of just a
> > patch-like tool.
> 
> The recent "cps-inference" branch of CPC enables precisely that kind of check.
> Charlie is using it to drive his modifications to QEMU and has already 
> suggested
> several improvements that I have implemented.  Hopefully we should reach
> something fully covering QEMU by the end his GSoC.
> 
> If there is interest, I can post a script showing how to build it and use it 
> to
> check QEMU annotations (it does not require any modifications to QEMU, only a
> couple of configure switches).

What is the status of CPC packaging in distros?

Stefan