Andi Kleen wrote:
KVM flushes tlbs on remote cpus for two purposes: to protect guest pages
that it needs to collect information about, and to prevent stale tlb entries
from pointing to pages that no longer belong to the guest.
I assume you have numbers with some benchmark how much that
improves performance. It would be nice to add them to the
commit log.
Your assumption is incorrect; I did not benchmark this patch.
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I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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