Re: [patch 1/6] mmu_notifier: Core code

From: Avi Kivity
Date: Sat Feb 16 2008 - 03:47:25 EST


Andrew Morton wrote:
How important is this feature to KVM?

Very. kvm pins pages that are referenced by the guest; a 64-bit guest will easily pin its entire memory with the kernel map. So this is critical for guest swapping to actually work.

Other nice features like page migration are also enabled by this patch.

--
Any sufficiently difficult bug is indistinguishable from a feature.

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