On Mon, 07 Jul 2025 22:47:13 +0000, James Houghton wrote:
> I'm finishing off Vipin's NX huge page recovery optimization for the TDP
> MMU from last year. This is a respin on the series I sent a couple weeks
> ago, v4. Below is a mostly unchanged cover letter from v4.
>
> NX huge page recovery can cause guest performance jitter, originally
> noticed with network tests in Windows guests. Please see Vipin's earlier
> performance results[1]. Below is some new data I have collected with the
> nx_huge_pages_perf_test that I've included with this series.
>
> [...]
Applied 1-3 to kvm-x86 mmu, with the fixups described (hopefully I got 'em all)
Thanks!
[1/7] KVM: x86/mmu: Track TDP MMU NX huge pages separately
https://github.com/kvm-x86/linux/commit/6777885605e1
[2/7] KVM: x86/mmu: Rename kvm_tdp_mmu_zap_sp() to better indicate its purpose
https://github.com/kvm-x86/linux/commit/62105564226e
[3/7] KVM: x86/mmu: Recover TDP MMU NX huge pages using MMU read lock
https://github.com/kvm-x86/linux/commit/a57750909580
--
https://github.com/kvm-x86/linux/tree/next
