Re: [PATCH v5 00/37] KVM: arm64: Add EL2 support to FEAT_S1PIE/S1POE

Oliver Upton
2024-10-31T03:04:28Z

On Wed, 23 Oct 2024 15:53:08 +0100, Marc Zyngier wrote:
> This series serves a few purposes:
>
> - Complete the S1PIE/S1POE support to include EL2
> - Sneak in the EL2 system register world switch
>
> As mentioned in few of the patches, this implementation relies on a
> very recent fix to the architecture (D22677 in [0]).
>
> [...]

Applied to kvmarm/next, thanks!

[01/37] arm64: Drop SKL0/SKL1 from TCR2_EL2
https://git.kernel.org/kvmarm/kvmarm/c/d41571c7097a
[02/37] arm64: Remove VNCR definition for PIRE0_EL2
https://git.kernel.org/kvmarm/kvmarm/c/5792349d0cce
[03/37] arm64: Add encoding for PIRE0_EL2
https://git.kernel.org/kvmarm/kvmarm/c/4ecda4c67961
[04/37] KVM: arm64: Drop useless struct s2_mmu in __kvm_at_s1e2()
https://git.kernel.org/kvmarm/kvmarm/c/a5c870d0939b
[05/37] KVM: arm64: nv: Add missing EL2->EL1 mappings in get_el2_to_el1_mapping()
https://git.kernel.org/kvmarm/kvmarm/c/dfeb91686992
[06/37] KVM: arm64: nv: Handle CNTHCTL_EL2 specially
https://git.kernel.org/kvmarm/kvmarm/c/164b5e20cdf6
[07/37] KVM: arm64: nv: Save/Restore vEL2 sysregs
https://git.kernel.org/kvmarm/kvmarm/c/b9527b38c667
[08/37] KVM: arm64: Correctly access TCR2_EL1, PIR_EL1, PIRE0_EL1 with VHE
https://git.kernel.org/kvmarm/kvmarm/c/14ca930d828b
[09/37] KVM: arm64: Extend masking facility to arbitrary registers
https://git.kernel.org/kvmarm/kvmarm/c/a0162020095e
[10/37] arm64: Define ID_AA64MMFR1_EL1.HAFDBS advertising FEAT_HAFT
https://git.kernel.org/kvmarm/kvmarm/c/9ae424d2a1ae
[11/37] KVM: arm64: Add TCR2_EL2 to the sysreg arrays
https://git.kernel.org/kvmarm/kvmarm/c/69c19e047dfe
[12/37] KVM: arm64: Sanitise TCR2_EL2
https://git.kernel.org/kvmarm/kvmarm/c/ad4f6ef0fa19
[13/37] KVM: arm64: Add save/restore for TCR2_EL2
https://git.kernel.org/kvmarm/kvmarm/c/5055938452ed
[14/37] KVM: arm64: Add PIR{,E0}_EL2 to the sysreg arrays
https://git.kernel.org/kvmarm/kvmarm/c/5f8d5a15ef5a
[15/37] KVM: arm64: Add save/restore for PIR{,E0}_EL2
https://git.kernel.org/kvmarm/kvmarm/c/b3ad940a0887
[16/37] KVM: arm64: Handle PIR{,E0}_EL2 traps
https://git.kernel.org/kvmarm/kvmarm/c/874ae1d48e60
[17/37] KVM: arm64: Sanitise ID_AA64MMFR3_EL1
(no commit info)
[18/37] KVM: arm64: Add AT fast-path support for S1PIE
https://git.kernel.org/kvmarm/kvmarm/c/23e7a34c8397
[19/37] KVM: arm64: Split S1 permission evaluation into direct and hierarchical parts
https://git.kernel.org/kvmarm/kvmarm/c/4967b87a9ff7
[20/37] KVM: arm64: Disable hierarchical permissions when S1PIE is enabled
https://git.kernel.org/kvmarm/kvmarm/c/5e21b2978722
[21/37] KVM: arm64: Implement AT S1PIE support
https://git.kernel.org/kvmarm/kvmarm/c/364c081029a6
[22/37] KVM: arm64: Add a composite EL2 visibility helper
https://git.kernel.org/kvmarm/kvmarm/c/ee3a9a0643c5
[23/37] KVM: arm64: Define helper for EL2 registers with custom visibility
https://git.kernel.org/kvmarm/kvmarm/c/997eeecafeba
[24/37] KVM: arm64: Hide TCR2_EL1 from userspace when disabled for guests
https://git.kernel.org/kvmarm/kvmarm/c/0fcb4eea5345
[25/37] KVM: arm64: Hide S1PIE registers from userspace when disabled for guests
https://git.kernel.org/kvmarm/kvmarm/c/a68cddbe47ef
[26/37] KVM: arm64: Rely on visibility to let PIR*_ELx/TCR2_ELx UNDEF
https://git.kernel.org/kvmarm/kvmarm/c/b4824120303f
[27/37] arm64: Add encoding for POR_EL2
https://git.kernel.org/kvmarm/kvmarm/c/b9ed7e5dfbe9
[28/37] KVM: arm64: Drop bogus CPTR_EL2.E0POE trap routing
https://git.kernel.org/kvmarm/kvmarm/c/b17d8aa20126
[29/37] KVM: arm64: Subject S1PIE/S1POE registers to HCR_EL2.{TVM,TRVM}
https://git.kernel.org/kvmarm/kvmarm/c/f7575530df43
[30/37] KVM: arm64: Add kvm_has_s1poe() helper
https://git.kernel.org/kvmarm/kvmarm/c/26e89dccdf63
[31/37] KVM: arm64: Add basic support for POR_EL2
https://git.kernel.org/kvmarm/kvmarm/c/5970e9903f03
[32/37] KVM: arm64: Add save/restore support for POR_EL2
https://git.kernel.org/kvmarm/kvmarm/c/de5c2827fb44
[33/37] KVM: arm64: Add POE save/restore for AT emulation fast-path
https://git.kernel.org/kvmarm/kvmarm/c/846c993df982
[34/37] KVM: arm64: Disable hierarchical permissions when POE is enabled
https://git.kernel.org/kvmarm/kvmarm/c/8a9b304d7e22
[35/37] KVM: arm64: Make PAN conditions part of the S1 walk context
https://git.kernel.org/kvmarm/kvmarm/c/7cd5c2796cb0
[36/37] KVM: arm64: Handle stage-1 permission overlays
https://git.kernel.org/kvmarm/kvmarm/c/e39ce7033c70
[37/37] KVM: arm64: Handle WXN attribute
https://git.kernel.org/kvmarm/kvmarm/c/1c6801d565ec

--
Best,
Oliver