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From: gleb@redhat.com (Gleb Natapov)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/3] KVM: ARM: Get rid of KVM_HPAGE_ defines
Date: Sun, 25 Aug 2013 17:48:47 +0300	[thread overview]
Message-ID: <20130825144847.GV8218@redhat.com> (raw)
In-Reply-To: <CAFEAcA9-hcGHYAKTP4xty1pB-bs=EgATrxKQhCOQ3YZOOpM4wg@mail.gmail.com>

On Sun, Aug 25, 2013 at 03:29:17PM +0100, Peter Maydell wrote:
> On 25 August 2013 15:05, Gleb Natapov <gleb@redhat.com> wrote:
> > (you will probably need them when you will implement
> > nested HYP mode :)).
> 
> Smiley noted, but this is pretty unlikely since it's not possible
> to lie to the guest about which mode it's in, so you can't make
> a guest think it's in Hyp mode.
> 
I suspected this, but forgot most that I read about Hyp mode by now.
Need to refresh my memory ASAP. Is it impossible even with a lot of
emulation? Can guest detect that it is not in a Hyp mode without
trapping into hypervisor?

--
			Gleb.

  reply	other threads:[~2013-08-25 14:48 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-09  4:07 [PATCH 0/3] KVM/ARM Huge pages support Christoffer Dall
2013-08-09  4:07 ` [PATCH 1/3] KVM: Move gfn_to_index to x86 specific code Christoffer Dall
2013-08-09  4:07 ` [PATCH 2/3] KVM: ARM: Get rid of KVM_HPAGE_XXX defines Christoffer Dall
2013-08-09  4:07 ` [PATCH 3/3] KVM: ARM: Transparent huge pages and hugetlbfs support Christoffer Dall
2013-09-23 10:11   ` Marc Zyngier
2013-09-23 14:46     ` Marc Zyngier
2013-09-24 15:41     ` Steve Capper
2013-10-02 22:36     ` Christoffer Dall
2013-10-03 20:33     ` Christoffer Dall
2013-10-04  9:23       ` Marc Zyngier
2013-08-09 14:30 ` [PATCH 2/3] KVM: ARM: Get rid of KVM_HPAGE_ defines Christoffer Dall
2013-08-25 14:05   ` Gleb Natapov
2013-08-25 14:29     ` Peter Maydell
2013-08-25 14:48       ` Gleb Natapov [this message]
2013-08-25 15:18         ` Peter Maydell
2013-08-25 15:27           ` Alexander Graf
2013-08-26 10:55             ` Gleb Natapov
2013-08-26  0:46           ` Christoffer Dall

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