From mboxrd@z Thu Jan  1 00:00:00 1970
From: Max Krasnyansky <maxk@kernel.org>
Subject: Re: [PATCH 1/5] husb: support for USB host device auto disconnect.
Date: Thu, 14 Aug 2008 14:41:11 -0700
Message-ID: <48A4A677.2090606@kernel.org>
References: <cover.1218685607.git.maxk@kernel.org> <75c6e94e6d567896941e879ef7eddb29ecc3f6fa.1218685608.git.maxk@kernel.org> <48A45D2E.5000704@codemonkey.ws>
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Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org
To: Anthony Liguori <anthony@codemonkey.ws>
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Anthony Liguori wrote:
 > I'm surprised there isn't an EOF when the device is disconnected.  There
> has to be some sort of userspace notification that a device has been
> unplugged.  I don't really like the idea of polling but it wouldn't
> surprise me if we had to.

I just sent you a patch that removes this polling mechanism. As I mentioned
async handler can actually detect that by itself.

Max