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From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: "Zhang, Xiantao" <xiantao.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel
	<kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
	Carsten Otte <carsteno-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>,
	Hollis Blanchard
	<hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
Subject: Re: architecture-specific data in struct kvm_run ?
Date: Thu, 10 Jan 2008 11:47:02 +0200	[thread overview]
Message-ID: <4785E996.2040008@qumranet.com> (raw)
In-Reply-To: <42DFA526FC41B1429CE7279EF83C6BDCC08A9F-wq7ZOvIWXbMAbVU2wMM1CrfspsVTdybXVpNB7YpNyf8@public.gmane.org>

Zhang, Xiantao wrote:
> Hollis Blanchard wrote:
>   
>> There are a bunch of x86-specific fields in struct kvm_run:
>> 	/* in */
>> 	__u8 request_interrupt_window;
>> 	__u8 padding1[7];
>>
>> 	/* out */
>> 	__u8 if_flag;
>> 	__u8 padding2[2];
>>
>> 	/* in (pre_kvm_run), out (post_kvm_run) */
>> 	__u64 cr8;
>> 	__u64 apic_base;
>>
>> Since this structure is shared with all architectures, can we find a
>> more appropriate place to keep this data? Or should we feel free to
>> add arch-specific data here?
>>     
> Hollis,
>
> Maybe #ifdef is enough if we other archs doesn't need to add new more.
> For IA64, we don't require new fields.
>
>   

I agree, ifdefs are best here.  Maybe wrap them in a structure.


-- 
error compiling committee.c: too many arguments to function


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  parent reply	other threads:[~2008-01-10  9:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-09 23:20 architecture-specific data in struct kvm_run ? Hollis Blanchard
2008-01-10  1:36 ` Zhang, Xiantao
     [not found]   ` <42DFA526FC41B1429CE7279EF83C6BDCC08A9F-wq7ZOvIWXbMAbVU2wMM1CrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2008-01-10  9:47     ` Avi Kivity [this message]
2008-01-10  8:30 ` Carsten Otte

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