linux-kernel - Re: [PATCH 00/31] KVM/MIPS: Implement hardware virtualization via the MIPS-VZ extensions.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20130610061849.GX4725@redhat.com>
Date:	Mon, 10 Jun 2013 09:18:49 +0300
From:	Gleb Natapov <gleb@...hat.com>
To:	David Daney <david.s.daney@...il.com>
Cc:	David Daney <ddaney@...iumnetworks.com>,
	David Daney <ddaney.cavm@...il.com>, kvm@...r.kernel.org,
	linux-mips@...ux-mips.org, ralf@...ux-mips.org,
	Sanjay Lal <sanjayl@...asys.com>, linux-kernel@...r.kernel.org,
	David Daney <david.daney@...ium.com>
Subject: Re: [PATCH 00/31] KVM/MIPS: Implement hardware virtualization via
 the MIPS-VZ extensions.

On Sun, Jun 09, 2013 at 04:23:51PM -0700, David Daney wrote:
> On 06/09/2013 12:31 AM, Gleb Natapov wrote:
> >On Fri, Jun 07, 2013 at 04:15:00PM -0700, David Daney wrote:
> >>I should also add that I will shortly send patches for the kvm tool
> >>required to drive this VM as well as a small set of patches that
> >>create a para-virtualized MIPS/Linux guest kernel.
> >>
> >>The idea is that because there is no standard SMP linux system, we
> >>create a standard para-virtualized system that uses a handful of
> >>hypercalls, but mostly just uses virtio devices.  It has no emulated
> >>real hardware (no 8250 UART, no emulated legacy anything...)
> >>
> >Virtualization is useful for running legacy code. Why dismiss support
> >for non pv guests so easily?
> 
> Just because we create standard PV system devices, doesn't preclude
> emulating real hardware.  In fact Sanjay Lal's work includes QEMU
> support for doing just this for a MIPS malta board.  I just wanted a
> very simple system I could implement with the kvm tool in a couple
> of days, so that is what I initially did.
> 
That makes sense. From your wording I misunderstood that there is something
in proposed patches that requires PV to run a guest.

--
			Gleb.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/