[PATCH v2 00/16] KVM: arm64: TTW reporting on SEA and 52bit PA in S1 PTW

[Marc Zyngier]

On Mon, 15 Sep 2025 12:44:35 +0100, Marc Zyngier wrote:
> Yes, $SUBJECT rolls off the tongue.
> 
> This series was triggered by the realisation that when injecting an
> SEA while on a S1PTW fault, we don't report the level of the walk and
> instead give a bare SEA, which definitely violates the architecture.
> 
> This state of things dates back to the pre-NV days, when we didn't
> have a S1 page table walker, and really didn't want to implement one.
> I've since moved on and reluctantly implemented one, which means we
> now *could* provide the level if we really wanted to.
> 
> [...]

Applied to next, thanks!

[01/16] KVM: arm64: Add helper computing the state of 52bit PA support
        commit: 0090c0a247cd3dc37181be4a9af4750ae3fedbd0
[02/16] KVM: arm64: Account for 52bit when computing maximum OA
        commit: 23cf13def0c87d9ce234f12eb6132f6bf9442f29
[03/16] KVM: arm64: Compute 52bit TTBR address and alignment
        commit: e645226a9c238db919d105d0ee7b4e09d80d13b1
[04/16] KVM: arm64: Decouple output address from the PT descriptor
        commit: df1d0197a2b939e28321686cafaead4a183980fa
[05/16] KVM: arm64: Pass the walk_info structure to compute_par_s1()
        commit: e4bd479884a1353efd43aa950c996d333145642d
[06/16] KVM: arm64: Compute shareability for LPA2
        commit: c0cc438046eed8d906ac917bc70a7284b6cc3f03
[07/16] KVM: arm64: Populate PAR_EL1 with 52bit addresses
        commit: dd82412c2b2b30bf4aa08ef069eb38c7795cd9b8
[08/16] KVM: arm64: Expand valid block mappings to FEAT_LPA/LPA2 support
        commit: 5da3a3b27a0108562547086e0ba7d9593f147cfe
[09/16] KVM: arm64: Report faults from S1 walk setup at the expected start level
        commit: dabf9f73fed86e096255c5be12c7e1d08a939c67
[10/16] KVM: arm64: Allow use of S1 PTW for non-NV vcpus
        commit: 14d4802dc22acf670333c8aad4e1931e7d6ee412
[11/16] KVM: arm64: Allow EL1 control registers to be accessed from the CPU state
        commit: cb1762904c5000220a0facf9bcab68ba687ec417
[12/16] KVM: arm64: Don't switch MMU on translation from non-NV context
        commit: 61b0280a670bdbb3a209ae474625f387788af0a8
[13/16] KVM: arm64: Add filtering hook to S1 page table walk
        commit: 0c5471408cb5c518bce76b851aff89719283a428
[14/16] KVM: arm64: Add S1 IPA to page table level walker
        commit: b8e625167a321138f83b1f6c99cf25d1290cb04e
[15/16] KVM: arm64: Populate level on S1PTW SEA injection
        commit: 50f77dc87f133b09db44a5bbfdd64b1ca83a8d8e
[16/16] KVM: arm64: selftest: Expand external_aborts test to look for TTW levels
        commit: 00a37271c8a68070dc64f81a5d64644beb4cef2f

Cheers,

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