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

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Message-ID: <20121020181425.GA11191@liondog.tnic>
Date:	Sat, 20 Oct 2012 20:14:25 +0200
From:	Borislav Petkov <bp@...en8.de>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Pekka Enberg <penberg@...nel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>, Avi Kivity <avi@...hat.com>,
	linux-kernel@...r.kernel.org, Christoph Hellwig <hch@...radead.org>
Subject: Re: [GIT PULL] Linux KVM tool for v3.7-rc0

On Sat, Oct 20, 2012 at 06:04:36PM +1100, Stephen Rothwell wrote:
> So are there any compelling arguments from the proponents, or can
> I remove this from linux-next (and have it removed from the tip
> auto-latest branch)?

FWIW, I gave this a run and I have to say, it works as advertized: I
built it and ran it with the latest kernel and the thing simply boots
the kernel. Even without a disk image - the simplest command is:

$ ./lkvm run --kernel ../../arch/x86/boot/bzImage

and it gets me a shell in the vm after a second.

So the absolute advantage it gives kernel devs is that they can
smoke-test whether their stuff boots in seconds.

This is probably not helpful when enabling specific hw features but
should be pretty helpful for generic arch stuff.

HTH.

-- 
Regards/Gruss,
    Boris.
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