[PATCH v2 0/5] ... and FWB for all

Marc Zyngier maz at kernel.org
Sun Jan 25 08:19:47 PST 2026


On Fri, 23 Jan 2026 19:16:32 +0000, Marc Zyngier wrote:
> [Yes, I have since learned that FWB doesn't always mean "Force Write
>  Back". I'm not judging.]
> 
> This is v2 for this small series teaching pKVM about the benefits
> (haha) of using FWB on the host S2 page-tables.
> 
> * From v1 [1]:
> 
> [...]

Applied to next, thanks!

[1/5] arm64: Add MT_S2{,_FWB}_AS_S1 encodings
      commit: d4236f1ef270347b26ed34bcd0eb28d285b86bcb
[2/5] KVM: arm64: Add KVM_PGTABLE_S2_AS_S1 flag
      commit: 17d7b15131f3ed7fff29f2a43b6ead547e495653
[3/5] KVM: arm64: Switch pKVM host S2 over to KVM_PGTABLE_S2_AS_S1
      commit: a373930ec9406aeb9f82b5b78db56ca8d0919d99
[4/5] KVM: arm64: Kill KVM_PGTABLE_S2_NOFWB
      commit: 4f27fe82aa304c50b24f92da72b4895cf73b54ba
[5/5] KVM: arm64: Simplify PAGE_S2_MEMATTR
      commit: 65d00e37b17f46a21e7a25e0fb211a4c33274a83

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.





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