Thread (53 messages) 53 messages, 9 authors, 2012-06-14

Re: [Xen-devel] [PATCH RFC V8 0/17] Paravirtualized ticket spinlocks

From: Jan Beulich <hidden>
Date: 2012-05-15 11:26:18
Also in: kvm, lkml, virtualization

quoted
quoted
On 07.05.12 at 19:25, Ingo Molnar [off-list ref] wrote:
(apologies for the late reply, the mail just now made it to my inbox
via xen-devel)
I'll hold off on the whole thing - frankly, we don't want this 
kind of Xen-only complexity. If KVM can make use of PLE then Xen 
ought to be able to do it as well.
It does - for fully virtualized guests. For para-virtualized ones,
it can't (as the hardware feature is an extension to VMX/SVM).
If both Xen and KVM makes good use of it then that's a different 
matter.
I saw in a later reply that you're now tending towards trying it
out at least - thanks.

Jan
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