linux-kernel - Re: [RFC PATCH 00/11] KVM: multiple address spaces (for SMM)

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Message-ID: <555C4CA1.3080704@redhat.com>
Date:	Wed, 20 May 2015 10:58:09 +0200
From:	Paolo Bonzini <pbonzini@...hat.com>
To:	Christian Borntraeger <borntraeger@...ibm.com>,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
CC:	Xiao Guangrong <guangrong.xiao@...ux.intel.com>,
	rkrcmar@...hat.com, bdas@...hat.com,
	linux-s390 <linux-s390@...r.kernel.org>
Subject: Re: [RFC PATCH 00/11] KVM: multiple address spaces (for SMM)



On 20/05/2015 10:31, Christian Borntraeger wrote:
> 
> So in essence this allows to have each vcpu in separate address space if
> necessary. These address space might overlap or be identical and allow
> permutations by having different memslots for each address space.
> And we can have several address spaces per vcpu. Correct?

Yes, exactly.

I've also posted QEMU patches that may give more insight on how this is
used.

Paolo

> This might be useful for kvm on s390 (e.g. we did the ucontrol thing that
> also has one guest address space per vcpu). I need to have a look at that.
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