Re: [PATCH] kvm: add EVER_MAPPED ioctl and capability
Sean Christopherson <[email protected]> Fri, 31 Jul 2026 05:54:59 -0700
| Newsgroups | org.kernel.vger.linux-kselftest,org.kernel.vger.kvm,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On Fri, Jul 31, 2026, Florian Schmidt wrote: > This allows a VMM to keep track of which pages were mapped by the guest > at any point. So does userfaultfd. Any performance concerns with UFFD should be addressed by KVM Userfault, which is on my todo list for this year. [*] https://lore.kernel.org/all/[email protected]