Re: [Qemu-devel] [PATCH for-2.1? 2/2] thread-pool: avoid deadlock in nested aio_poll() calls

[Paolo Bonzini]

Il 15/07/2014 16:37, Stefan Hajnoczi ha scritto:
> > > This is of course missing here:
> > >
> > >            break;
> Let's keep goto restart so we don't use the BH for each completion
> callback.  We just need the BH scheduled once to protect against the
> deadlock.

Ah, I missed this remark.

Then you could add qemu_bh_cancel at the end of the BH handler.  I do 
find the code a little harder to follow with the "goto" though, as it's 
not clear who will take care of the rest of the list...

Paolo