linux-kernel - Re: [PATCH 25/25] [PATCH] add paravirtualization support for x86

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Date:	Thu, 09 Aug 2007 00:02:39 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Glauber de Oliveira Costa <glommer@...il.com>
CC:	Glauber de Oliveira Costa <gcosta@...hat.com>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	rusty@...tcorp.com.au, ak@...e.de, mingo@...e.hu,
	chrisw@...s-sol.org, avi@...ranet.com, anthony@...emonkey.ws,
	virtualization@...ts.linux-foundation.org, lguest@...abs.org,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 25/25] [PATCH] add paravirtualization support for x86_64

Glauber de Oliveira Costa wrote:
>>> +/*
>>> + * integers must be use with care here. They can break the PARAVIRT_PATCH(x)
>>> + * macro, that divides the offset in the structure by 8, to get a number
>>> + * associated with the hook. Dividing by four would be a solution, but it
>>> + * would limit the future growth of the structure if needed.
>>>
>>>       
>> Why not just stick them at the end of the structure?
>>     
>
> Does it really matter?
>   

Well, yes, if alignment is an issue.


    J
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