linux-kernel - Re: [RFC PATCH v2 14/19] kvm: add a reset capability

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Message-ID: <49E0CBB0.9030105@redhat.com>
Date:	Sat, 11 Apr 2009 19:56:16 +0300
From:	Avi Kivity <avi@...hat.com>
To:	Gregory Haskins <ghaskins@...ell.com>
CC:	linux-kernel@...r.kernel.org, agraf@...e.de, pmullaney@...ell.com,
	pmorreale@...ell.com, anthony@...emonkey.ws, rusty@...tcorp.com.au,
	netdev@...r.kernel.org, kvm@...r.kernel.org,
	bhutchings@...arflare.com, andi@...stfloor.org, gregkh@...e.de,
	herber@...dor.apana.org.au, chrisw@...s-sol.org,
	shemminger@...tta.com
Subject: Re: [RFC PATCH v2 14/19] kvm: add a reset capability

Gregory Haskins wrote:
> We need a way to detect if a VM is reset later in the series, so lets
> add a capability for userspace to signal a VM reset down to the kernel.
>   

As I mentioned, this won't be reliable.  It needs to be driven from 
userspace and be per-device.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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