linux-kernel - Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine

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Date:	Sun, 22 Oct 2006 20:36:03 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Avi Kivity <avi@...ranet.com>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Muli Ben-Yehuda <muli@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Anthony Liguori <aliguori@...ibm.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: Re: [PATCH 0/7] KVM: Kernel-based Virtual Machine

On Sunday 22 October 2006 20:00, Avi Kivity wrote:
> Existing installations?
>
> Dropping 32-bit host support would certainly kill a lot of #ifdefs and
> reduce the amount of testing needed.  It would also force me to upgrade
> my home machine.

Ok, but if you radically change the kernel<->user API, doesn't that mean
you have to upgrade in the same way? The 32 bit emulation mode in x86_64
is actually pretty complete, so it probably boils down to a kernel upgrade
for you, without having to touch any of the user space.

	Arnd <><
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