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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-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	Christian Ehrhardt
	<ehrhardt-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	carsteno-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org,
	hollisb-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org
Subject: Re: [PATCH]0/2 Patches to furthure split kvm_init
Date: Fri, 30 Nov 2007 11:51:48 +0200	[thread overview]
Message-ID: <474FDD34.9020807@qumranet.com> (raw)
In-Reply-To: <42DFA526FC41B1429CE7279EF83C6BDCA397EA-wq7ZOvIWXbMAbVU2wMM1CrfspsVTdybXVpNB7YpNyf8@public.gmane.org>

Zhang, Xiantao wrote:
>>>       
>> Ah, I see.  It isn't just the alignment. How do you allocate
>> kvm_vcpu, then? 
>>     
>
> For evevy vm, we allocate a big chunk of memory for structure
> allocation. For vcpu, it should be always 64k aligned through our
> allocation mechanism. So, we don't care about its aligment issue :)
>   

I see.  Can you explain why you do that?  Do you have a special
allocator in your guest-resident vmm module?

I don't think other archs need that, so a CONFIG_KVM_ARCH_CVPU_ALLOC
approach seems better than copying all that code.

-- 
Do not meddle in the internals of kernels, for they are subtle and quick to panic.


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  parent reply	other threads:[~2007-11-30  9:51 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-29  8:16 [PATCH]0/2 Patches to furthure split kvm_init Zhang, Xiantao
     [not found] ` <42DFA526FC41B1429CE7279EF83C6BDCA394B2-wq7ZOvIWXbMAbVU2wMM1CrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-11-29  9:59   ` Christian Ehrhardt
     [not found]     ` <474E8D88.4090508-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2007-11-30  7:43       ` Avi Kivity
     [not found]         ` <474FBF0D.7020601-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-30  8:27           ` Zhang, Xiantao
     [not found]             ` <42DFA526FC41B1429CE7279EF83C6BDCA397B9-wq7ZOvIWXbMAbVU2wMM1CrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-11-30  8:36               ` Avi Kivity
     [not found]                 ` <474FCB79.2010008-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-30  8:50                   ` Zhang, Xiantao
     [not found]                     ` <42DFA526FC41B1429CE7279EF83C6BDCA397CF-wq7ZOvIWXbMAbVU2wMM1CrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-11-30  9:04                       ` Avi Kivity
     [not found]                         ` <474FD21E.8030900-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-30  9:14                           ` Zhang, Xiantao
     [not found]                             ` <42DFA526FC41B1429CE7279EF83C6BDCA397EA-wq7ZOvIWXbMAbVU2wMM1CrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-11-30  9:51                               ` Avi Kivity [this message]
     [not found]                                 ` <474FDD34.9020807-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-30 10:03                                   ` Zhang, Xiantao
     [not found]                                     ` <42DFA526FC41B1429CE7279EF83C6BDCA39817-wq7ZOvIWXbMAbVU2wMM1CrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-11-30 17:29                                       ` Hollis Blanchard
2007-11-30 20:36                                         ` Avi Kivity
2007-11-30  9:52                           ` Christian Ehrhardt
2007-11-30 11:52           ` Carsten Otte
     [not found]             ` <474FF970.9060404-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-11-30 11:55               ` Avi Kivity
     [not found]                 ` <474FFA26.6020302-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-30 12:49                   ` Carsten Otte
     [not found]                     ` <475006D5.9060504-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>
2007-11-30 14:50                       ` Avi Kivity
     [not found]                         ` <4750234D.6000504-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-11-30 18:18                           ` Hollis Blanchard
2007-11-30 20:34                             ` Avi Kivity

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