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Date: Thu, 15 Mar 2012 13:46:16 +0200
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Subject: Re: [Qemu-devel] [PATCH 0/2 v3] kvm: notify host when guest panicked
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To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Gleb Natapov <gleb@redhat.com>, qemu-devel <qemu-devel@nongnu.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, Eric Northup <digitaleric@google.com>, kvm list <kvm@vger.kernel.org>, Amit Shah <amit.shah@redhat.com>, KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>

On 03/15/2012 01:25 PM, Jan Kiszka wrote:
> >>
> > There was such vm exit (KVM_EXIT_HYPERCALL), but it was deemed to be a
> > bad idea.
>
> BTW, this would help a lot in emulating hypercalls of other hypervisors
> (or of KVM's VAPIC in the absence of in-kernel irqchip - I had to jump
> through hoops therefore) in user space. Not all those hypercall handlers
> actually have to reside in the KVM module.
>

That is true.  On the other hand the hypercall ABI might go to pieces if
there was no central implementation.

-- 
error compiling committee.c: too many arguments to function