linux-kernel - Re: [GIT PULL] Linux KVM tool for v3.7-rc0

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Message-ID: <CAFLxGvzLOa-BibZ39_yMEC70AseEPbtjcNGk6jLwaAVsU2ujwA@mail.gmail.com>
Date:	Sun, 21 Oct 2012 16:02:44 +0200
From:	richard -rw- weinberger <richard.weinberger@...il.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Dave Airlie <airlied@...il.com>,
	Borislav Petkov <bp@...en8.de>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Pekka Enberg <penberg@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Avi Kivity <avi@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [GIT PULL] Linux KVM tool for v3.7-rc0

On Sun, Oct 21, 2012 at 2:59 PM, Ingo Molnar <mingo@...nel.org> wrote:
> You are wrong on three counts:
>
>  - As I mentioned it in my first mail to you this is not the
>    same as 'vm run': you still have a qemu-root.img while
>    tools/kvm does not ...
>
>    'vm run' works without having any disk image around, it just
>    uses the existing distro binaries and boots them, sharing the
>    host file system.
>
>  - automatic, transparent host filesystem sharing is another
>    useful feature: I can copy files in/out of the virtual
>    machine using the host filesystem.
>
>  - transparent networking is up and running straight away

qemu supports all these features.
E.g. to access the host fs use:
qemu ... \
  -fsdev local,security_model=passthrough,id=fsdev-root,path=/your/root/,readonly
\
  -device virtio-9p-pci,id=fs-root,fsdev=fsdev-root,mount_tag=rootshare

-- 
Thanks,
//richard
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