Re: [Xen-devel] [Qemu-devel] [PATCH v3 6/6] qemu_calculate_timeout: increase minimum timeout to 1h

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Tue, 14 Feb 2012, Paul Brook wrote:
> > Yes, you are right. Also considering that we are only calling
> > slirp_update_timeout if CONFIG_SLIRP is defined, there is no need for
> > the !CONFIG_SLIRP dummy version of the function.
> 
> Looks reasonable to me.  Unfortunately I can't remember which combination of 
> headless VM and timer configs caused hangs when this was originally added.
> 
> If anyone has a setup that suffered timeout-related hangs last time we made 
> this change, please retest with this patch.  Otherwise I guess we apply the 
> patch and hope we didn't miss anything.

OK, thanks. I'll resend the patch as part of the series and ask for
testing.

> > Author: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> > Date:   Mon Feb 13 11:25:03 2012 +0000
> > 
> >     main_loop_wait: block indefinitely
> >     
> >     - remove qemu_calculate_timeout;
> >     
> >     - explicitly size timeout to uint32_t;
> >     
> >     - introduce slirp_update_timeout;
> >     
> >     - pass NULL as timeout argument to select in case timeout is the
> >     maximum value;
> >     
> >     Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
> 
> Acked-by: Paul Brook <paul@xxxxxxxxxxxxxxxx>
> 

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