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Re: [Qemu-devel] [PATCH] migration: flush the bdrv before stopping VM


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] migration: flush the bdrv before stopping VM
Date: Wed, 18 Mar 2015 13:59:26 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0


On 18/03/2015 13:36, Juan Quintela wrote:
> I know that the code has changed a lot on that area, the select() don't
> exist anymore.

It is still there in aio_poll():

    ret = qemu_poll_ns((GPollFD *)ctx->pollfds->data,
                         ctx->pollfds->len,
                         blocking ? aio_compute_timeout(ctx) : 0);

where aio_compute_timeout will usually return -1.

Paolo



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