linux-kernel - Re: [kvm-devel] [RFC] Proposed new directory layout for kvm and virtualization

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Message-ID: <4760EE69.2090006@qumranet.com>
Date:	Thu, 13 Dec 2007 10:33:45 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	Arnd Bergmann <arnd@...db.de>
CC:	kvm-devel@...ts.sourceforge.net,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [kvm-devel] [RFC] Proposed new directory layout for kvm and virtualization

Arnd Bergmann wrote:
> On Tuesday 11 December 2007, Avi Kivity wrote:
>   
>> Heiko Carstens wrote:
>>     
>>> On Tue, Dec 11, 2007 at 11:47:39AM +0200, Avi Kivity wrote:
>>>
>>>       
>>>>  arch/*/kvm/   arch dependent kvm code
>>>>     
>>>>         
>>> Maybe arch/*/virt/ ? No need to add an own directory for each hypervisor.
>>>
>>>       
>> There will be several kvm files in that directory for x86. If you have 
>> just one file, I guess arch/*/virt/kvm.c is okay.
>>     
>
> In that case, even arch/*/{mm,kernel}/kvm.c would work fine, as long as you
> only want to support one hypervisor, or a small set of small files, there
> is no need to have even have a virt directory.
>
> However, if you want to have symmetry across the architectures, I think
> arch/*/kvm/ works out best, along the lines of 
> arch/*/{perfmon,crypto,xen,power}. Neither of these is particularly large,
> but arch/* is typically not that crowded either.
>   

In the case of x86, we'll have 16 arch dependent files (i8259.[ch], 
irq.[ch], lapic.c, mmu.c, paging_tmpl.[ch], svm.[ch], vmx.[ch], 
x86.[ch], x86_emulate.[ch]) which warrant a kvm/ subdirectory IMO.

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

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