[PATCH v2 00/45] KVM: arm64: Add LR overflow infrastructure

Wed Nov 12 01:13:18 PST 2025

On Sun, 09 Nov 2025 17:15:34 +0000, Marc Zyngier wrote:
> This is the 2nd version of the series originally posted at [1]. The
> series has significantly evolved with a bunch of bug fixes, some
> additional optimisations, and a number of test cases.
> 
> This has now been extensively tested on much of what I have access to,
> specially on some of the most broken stuff (Apple, Qualcomm, Cavium,
> ARMv8.0 CPUs without TDIR), but also on some less shitty systems
> (which are the minority, unsurprisingly).
> 
> [...]

Applied to next, thanks!

[01/45] irqchip/gic: Add missing GICH_HCR control bits
        https://git.kernel.org/kvmarm/kvmarm/c/435d529bf5cd
[02/45] irqchip/gic: Expose CPU interface VA to KVM
        https://git.kernel.org/kvmarm/kvmarm/c/5bebf839b2e7
[03/45] irqchip/apple-aic: Spit out ICH_MISR_EL2 value on spurious vGIC MI
        https://git.kernel.org/kvmarm/kvmarm/c/5a9655de7241
[04/45] KVM: arm64: Turn vgic-v3 errata traps into a patched-in constant
        https://git.kernel.org/kvmarm/kvmarm/c/ca30799f7c2d
[05/45] KVM: arm64: GICv3: Detect and work around the lack of ICV_DIR_EL1 trapping
        https://git.kernel.org/kvmarm/kvmarm/c/375e16720b4c
[06/45] KVM: arm64: Repack struct vgic_irq fields
        https://git.kernel.org/kvmarm/kvmarm/c/10576b2d8652
[07/45] KVM: arm64: Add tracking of vgic_irq being present in a LR
        https://git.kernel.org/kvmarm/kvmarm/c/023c81ada994
[08/45] KVM: arm64: Add LR overflow handling documentation
        https://git.kernel.org/kvmarm/kvmarm/c/2a69aca33cac
[09/45] KVM: arm64: GICv3: Drop LPI active state when folding LRs
        https://git.kernel.org/kvmarm/kvmarm/c/9fc8456206e8
[10/45] KVM: arm64: GICv3: Preserve EOIcount on exit
        https://git.kernel.org/kvmarm/kvmarm/c/a3a4ca462fdb
[11/45] KVM: arm64: GICv3: Decouple ICH_HCR_EL2 programming from LRs
        https://git.kernel.org/kvmarm/kvmarm/c/417714763ec1
[12/45] KVM: arm64: GICv3: Extract LR folding primitive
        https://git.kernel.org/kvmarm/kvmarm/c/7f69d30b7024
[13/45] KVM: arm64: GICv3: Extract LR computing primitive
        https://git.kernel.org/kvmarm/kvmarm/c/4b963cd815c0
[14/45] KVM: arm64: GICv2: Preserve EOIcount on exit
        https://git.kernel.org/kvmarm/kvmarm/c/fc2fda4298ba
[15/45] KVM: arm64: GICv2: Decouple GICH_HCR programming from LRs being loaded
        https://git.kernel.org/kvmarm/kvmarm/c/8ff2bf028907
[16/45] KVM: arm64: GICv2: Extract LR folding primitive
        https://git.kernel.org/kvmarm/kvmarm/c/a8306bb15afd
[17/45] KVM: arm64: GICv2: Extract LR computing primitive
        https://git.kernel.org/kvmarm/kvmarm/c/d78124a65a03
[18/45] KVM: arm64: Compute vgic state irrespective of the number of interrupts
        https://git.kernel.org/kvmarm/kvmarm/c/f9bb784186be
[19/45] KVM: arm64: Eagerly save VMCR on exit
        https://git.kernel.org/kvmarm/kvmarm/c/d3c2036861c6
[20/45] KVM: arm64: Revamp vgic maintenance interrupt configuration
        https://git.kernel.org/kvmarm/kvmarm/c/877324a1b541
[21/45] KVM: arm64: Turn kvm_vgic_vcpu_enable() into kvm_vgic_vcpu_reset()
        https://git.kernel.org/kvmarm/kvmarm/c/df5dfcad48ca
[22/45] KVM: arm64: Make vgic_target_oracle() globally available
        https://git.kernel.org/kvmarm/kvmarm/c/0cb4b6d1c73e
[23/45] KVM: arm64: Invert ap_list sorting to push active interrupts out
        https://git.kernel.org/kvmarm/kvmarm/c/c6a5d4815634
[24/45] KVM: arm64: Move undeliverable interrupts to the end of ap_list
        https://git.kernel.org/kvmarm/kvmarm/c/7fb79d1a03e6
[25/45] KVM: arm64: Use MI to detect groups being enabled/disabled
        https://git.kernel.org/kvmarm/kvmarm/c/f259e2c758dc
[26/45] KVM: arm64: GICv3: Handle LR overflow when EOImode==0
        https://git.kernel.org/kvmarm/kvmarm/c/81ef83de9440
[27/45] KVM: arm64: GICv3: Handle deactivation via ICV_DIR_EL1 traps
        https://git.kernel.org/kvmarm/kvmarm/c/f1d440106c3f
[28/45] KVM: arm64: GICv3: Add GICv2 SGI handling to deactivation primitive
        https://git.kernel.org/kvmarm/kvmarm/c/90d527ac928c
[29/45] KVM: arm64: GICv3: Set ICH_HCR_EL2.TDIR when interrupts overflow LR capacity
        https://git.kernel.org/kvmarm/kvmarm/c/9a2292c50d1c
[30/45] KVM: arm64: GICv3: Add SPI tracking to handle asymmetric deactivation
        https://git.kernel.org/kvmarm/kvmarm/c/0f64bed159d2
[31/45] KVM: arm64: GICv3: Handle in-LR deactivation when possible
        https://git.kernel.org/kvmarm/kvmarm/c/164dd4bae47b
[32/45] KVM: arm64: GICv3: Avoid broadcast kick on CPUs lacking TDIR
        https://git.kernel.org/kvmarm/kvmarm/c/2b36853d7e58
[33/45] KVM: arm64: GICv2: Handle LR overflow when EOImode==0
        https://git.kernel.org/kvmarm/kvmarm/c/d4537c8d3116
[34/45] KVM: arm64: GICv2: Handle deactivation via GICV_DIR traps
        https://git.kernel.org/kvmarm/kvmarm/c/182853c7680a
[35/45] KVM: arm64: GICv2: Always trap GICV_DIR register
        https://git.kernel.org/kvmarm/kvmarm/c/efa05bae8936
[36/45] KVM: arm64: selftests: gic_v3: Add irq group setting helper
        https://git.kernel.org/kvmarm/kvmarm/c/0f0e2b4108b3
[37/45] KVM: arm64: selftests: gic_v3: Disable Group-0 interrupts by default
        https://git.kernel.org/kvmarm/kvmarm/c/eea5d19518f2
[38/45] KVM: arm64: selftests: vgic_irq: Fix GUEST_ASSERT_IAR_EMPTY() helper
        https://git.kernel.org/kvmarm/kvmarm/c/eecb216b2f74
[39/45] KVM: arm64: selftests: vgic_irq: Change configuration before enabling interrupt
        https://git.kernel.org/kvmarm/kvmarm/c/9f3f3ddbc730
[40/45] KVM: arm64: selftests: vgic_irq: Exclude timer-controlled interrupts
        https://git.kernel.org/kvmarm/kvmarm/c/bbaf6ed67c41
[41/45] KVM: arm64: selftests: vgic_irq: Remove LR-bound limitation
        https://git.kernel.org/kvmarm/kvmarm/c/0b7c2f50f3fd
[42/45] KVM: arm64: selftests: vgic_irq: Perform EOImode==1 deactivation in ack order
        https://git.kernel.org/kvmarm/kvmarm/c/d64e3140ab5f
[43/45] KVM: arm64: selftests: vgic_irq: Add asymmetric SPI deaectivation test
        https://git.kernel.org/kvmarm/kvmarm/c/170b047e15af
[44/45] KVM: arm64: selftests: vgic_irq: Add Group-0 enable test
        https://git.kernel.org/kvmarm/kvmarm/c/2423a2369fc1
[45/45] KVM: arm64: selftests: vgic_irq: Add timer deactivation test
        https://git.kernel.org/kvmarm/kvmarm/c/eaaaaab4b530

--
Best,
Oliver