Re: qemu-kvm upstreaming: Do we want -kvm-shadow-memory semantics?

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On 01/19/2012 07:39 PM, Jan Kiszka wrote:
> On 2012-01-19 18:28, Marcelo Tosatti wrote:
> > On Thu, Jan 19, 2012 at 01:46:39PM +0100, Jan Kiszka wrote:
> >> Hi again,
> >>
> >> do we need some KVM knob comparable to qemu-kvm's -kvm-shadow-memory in
> >> upstream?
> >>
> >> If yes: The underlying IOCTL is x86-only. Are other archs interested in
> >> this long-term as well, ie. should the control become arch-independent?
> >>
> >> Jan
> > 
> > Last time i asked about removal, Avi wished for it to remain.
> > 
>
> Then I guess he should comment on this after returning to work. :)

-kvm-shadow-memory is becoming less meaningful for ordinary workloads
since everything uses TDP these days.  It's still meaningful for testing
(forcing aggressive cache replacement), or perhaps nested virtualization.

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

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