From: RR NN <rnn59437@gmail.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org
Subject: Re: ARM hypervisors
Date: Tue, 5 Mar 2024 22:44:04 +0330 [thread overview]
Message-ID: <CAK4oD7AJYesHPRY3ft3cXQkqW9RAvCZVcnLSC-rfFbnpUGykAQ@mail.gmail.com> (raw)
In-Reply-To: <CAFEAcA8wQK_jfj+q-70TJ9Mnu+JHan_oNPYTDMMUmsBm7kMcOw@mail.gmail.com>
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Awesome, thanks for the info!
On Tue, Mar 5, 2024, 17:29 Peter Maydell <peter.maydell@linaro.org> wrote:
> On Tue, 5 Mar 2024 at 13:40, RR NN <rnn59437@gmail.com> wrote:
> >
> > Hello
> > ARM hypervisors (pKVM, Gunyah) can run x86 OSs?
>
> No. A hypervisor uses the host CPU's virtualization extensions
> to allow the guest code to run directly on the host CPU. This
> is why they're fast. This also means that they only work when
> the guest CPU is the same architecture as the host CPU.
> So you can run an x86 OS on an x86 host CPU, or an Arm
> OS on an Arm host CPU using a hypervisor, but you can't run
> a guest of the "wrong" architecture.
>
> thanks
> -- PMM
>
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next prev parent reply other threads:[~2024-03-05 19:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-05 13:39 ARM hypervisors RR NN
2024-03-05 13:59 ` Peter Maydell
2024-03-05 19:14 ` RR NN [this message]
2024-03-05 19:15 ` RR NN
2024-03-06 2:21 ` Trilok Soni
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