linux-kernel - Re: [PATCH 11/12] x86 Kconfig: create x86/Kconfig.virt

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Date:	Mon, 13 Jan 2014 15:00:48 -0800
From:	Dave Hansen <dave@...1.net>
To:	Paolo Bonzini <pbonzini@...hat.com>
CC:	linux-kernel@...r.kernel.org, x86@...nel.org, bp@...e.de,
	dtor@...are.com, kys@...rosoft.com, haiyangz@...rosoft.com,
	agraf@...e.de, gleb@...hat.com
Subject: Re: [PATCH 11/12] x86 Kconfig: create x86/Kconfig.virt

On 01/13/2014 02:46 PM, Paolo Bonzini wrote:
> Il 13/01/2014 20:22, Dave Hansen ha scritto:
>> diff -puN arch/x86/Kconfig~x86-Kconfig-move-paravirt-under-virtualization arch/x86/Kconfig
>> --- linux.git/arch/x86/Kconfig~x86-Kconfig-move-paravirt-under-virtualization	2014-01-13 11:11:36.617255854 -0800
>> +++ linux.git-davehans/arch/x86/Kconfig	2014-01-13 11:11:36.620255990 -0800
> 
> These diff headers are unreadable...

Man, and I thought I was pedantic about about those kinds of things.  I
guess git has spoiled everyone. :)

>> @@ -2416,6 +2416,6 @@ source "security/Kconfig"
>>  
>>  source "crypto/Kconfig"
>>  
>> -source "arch/x86/kvm/Kconfig"
>> +source "arch/x86/Kconfig.virt"
>>  
>>  source "lib/Kconfig"
>> diff -puN /dev/null arch/x86/Kconfig.virt
>> --- /dev/null	2013-11-27 17:20:18.337162396 -0800
>> +++ linux.git-davehans/arch/x86/Kconfig.virt	2014-01-13 11:11:36.621256035 -0800
>> @@ -0,0 +1,18 @@
>> +
>> +menuconfig VIRTUALIZATION
>> +	bool "Virtualization"
> 
> Please rename this to "Hypervisor support" or "Virtual guest support" to
> avoid confusion with KVM.  Note there is a reference to
> CONFIG_VIRTUALIZATION in configs/kvm_guest.config.

I'm not sure I'm following.  When this gets done, we have a menu that says:

>         --- Virtualization                                                                          
>         <*>   Kernel-based Virtual Machine (KVM) support                                            
>         <*>     KVM for Intel processors support                                                    
>         <*>     KVM for AMD processors support
>         [*]     Audit KVM MMU                                                                       
>         [*]     KVM legacy PCI device assignment support                                            
>         < >   Host kernel accelerator for virtio net
>         [*]   Linux guest support  --->

So this new menu grouping includes both KVM, Xen, and lguest.  It
includes both the host-side and guest-side support.  Are you suggesting
that we separate out host and guest somehow?


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