Avi Kivity wrote:
Avi Kivity wrote:
Jerone Young wrote:
These patches remove all traces of --disable-cpu-emulation
configuration flag.
I kind of like --disable-cpu-emulation. It means we have the choice
of kvm-only (low footprint, shuts up the security people), qemu-only
(running cross-arch or on older cpu), and mixed mode (I'm a distro
so don't know what cpu I'm running on).
Well, actually, at least Fedora already supplies both plain qemu and
qemu-kvm, so it seems they don't care much about mixed mode. I'll
look at applying the patches.
Er, that only makes sense with Anthony's idea of a -kvm subtarget
thrown in as well.
The -kvm subtarget is really easy to implement. If anyone is interested
in doing this, let me know and I'll point them in the right direction.
The good thing about a -kvm subtarget is that we can introduce a
CONFIG_KVM_ONLY #define which we can use to compile out l1_phys_map et
al. That will give a much better RSS reduction than not linking in
TCG. I doubt --disable-cpu-emulation really reduces RSS size an
observable amount.
Regards,
Anthony Liguori
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