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

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* Anthony Liguori (anthony@xxxxxxxxxxxxx) wrote:
> On 09/10/2010 02:31 PM, Chris Wright wrote:
> >* Avi Kivity (avi@xxxxxxxxxx) 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 :-)

Heh

> 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.

OK, I see.  Thanks for clarifying.

thanks,
-chris
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