linux-kernel - Re: [PATCH 1/7] paravirtualization: header and stubs for paravirtualizing critical operations

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Message-Id: <1162377928.23744.4.camel@laptopd505.fenrus.org>
Date:	Wed, 01 Nov 2006 11:45:25 +0100
From:	Arjan van de Ven <arjan@...radead.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Andi Kleen <ak@....de>, Andi Kleen <ak@...e.de>,
	virtualization@...ts.osdl.org, Chris Wright <chrisw@...s-sol.org>,
	akpm@...l.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/7] paravirtualization: header and stubs for
	paravirtualizing critical operations

On Wed, 2006-11-01 at 21:27 +1100, Rusty Russell wrote:
> Create a paravirt.h header for all the critical operations which need
> to be replaced with hypervisor calls, and include that instead of
> defining native operations, when CONFIG_PARAVIRT.
> 
> This patch does the dumbest possible replacement of paravirtualized
> instructions: calls through a "paravirt_ops" structure.  Currently
> these are function implementations of native hardware: hypervisors
> will override the ops structure with their own variants.
> 
> All the pv-ops functions are declared "fastcall" so that a specific
> register-based ABI is used, to make inlining assember easier.


this is a lot of infrastructure... do we have more than 1 user of this
yet that wants to get merged in mainline?


-- 
if you want to mail me at work (you don't), use arjan (at) linux.intel.com
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