Re: [ANNOUNCE] qemu-kvm-0.13.0-rc1

[Anthony Liguori <anthony@codemonkey.ws>]

On 09/10/2010 02:31 PM, Chris Wright wrote:
> * Avi Kivity (avi@redhat.com) wrote:
>    
>>   On 09/09/2010 04:00 PM, Anthony Liguori wrote:
>>      
>>>> It's perfectly reasonable to want to avoid building the tcg code
>>>> if you aren't going to use it.
>>>>          
>>> Why?  It doesn't do any harm to have extra code.
>>>        
>> It's half a megabyte of code.
>>      
> And half a day to compile ;)
>
>    
>> Also, it's better not to have code
>> snippets that call mprotect(PROT_EXEC) in your executable.
>>      
> I agree, is there any reason not to enable compiling less into the binary?
> There are folks interested in eliminating as much as possible to reduce
> the attack surface and auditing requirements, for example.
>    

It's not a bad idea, it's just that what --disable-cpu-emulation does is 
evil.  Being that I wrote the implementation, I'm quite confident in 
declare it as such :-)

It was initially a work around in the dyngen days because a GCC 3.x 
compiler wasn't available for PPC 44x easily.  It's always been the 
wrong approach to addressing the problem though and since we don't have 
weird compiler dependencies anymore we really should remove it.

Regards,

Anthony Liguori

> thanks,
> -chris
>