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

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.


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