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

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

On 02/10/2012 10:52 AM, Paul Brook wrote:
> > >  At least the floppy DMA engine is fine with it, it uses idle bottom
> > >  halves (which are a hack and could be replaced by timers, but that's not
> > >  relevant now).
> I thought idle bottom halves were one of the things that made this timout
> necessary.  How else are they going to get run?
The timeout is reduced to 10 ms when an idle bottom half is scheduled. 
See qemu_bh_update_timeout in async.c.
Paolo

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