Re: [PATCH v3 00/16] KVM: x86/tdx: Have TDX handle VMXON during bringup

[Sean Christopherson]

On Fri, 13 Feb 2026 17:26:46 -0800, Sean Christopherson wrote:
> Assuming I didn't break anything between v2 and v3, I think this is ready to
> rip.  Given the scope of the KVM changes, and that they extend outside of x86,
> my preference is to take this through the KVM tree.  But a stable topic branch
> in tip would work too, though I think we'd want it sooner than later so that
> it can be used as a base.
> 
> Chao, I deliberately omitted your Tested-by, as I shuffled things around enough
> while splitting up the main patch that I'm not 100% positive I didn't regress
> anything relative to v2.
> 
> [...]

Applied to kvm-x86 vmxon, with the minor fixups.  I'll make sure not to touch
the hashes at this point, but holler if anyone wants an "official" stable tag.

[01/16] KVM: x86: Move kvm_rebooting to x86
        https://github.com/kvm-x86/linux/commit/4059172b2a78
[02/16] KVM: VMX: Move architectural "vmcs" and "vmcs_hdr" structures to public vmx.h
        https://github.com/kvm-x86/linux/commit/3c75e6a5da3c
[03/16] KVM: x86: Move "kvm_rebooting" to kernel as "virt_rebooting"
        https://github.com/kvm-x86/linux/commit/a1450a8156c6
[04/16] KVM: VMX: Unconditionally allocate root VMCSes during boot CPU bringup
        https://github.com/kvm-x86/linux/commit/405b7c27934e
[05/16] x86/virt: Force-clear X86_FEATURE_VMX if configuring root VMCS fails
        https://github.com/kvm-x86/linux/commit/95e4adb24ff6
[06/16] KVM: VMX: Move core VMXON enablement to kernel
        https://github.com/kvm-x86/linux/commit/920da4f75519
[07/16] KVM: SVM: Move core EFER.SVME enablement to kernel
        https://github.com/kvm-x86/linux/commit/32d76cdfa122
[08/16] KVM: x86: Move bulk of emergency virtualizaton logic to virt subsystem
        https://github.com/kvm-x86/linux/commit/428afac5a8ea
[09/16] x86/virt: Add refcounting of VMX/SVM usage to support multiple in-kernel users
        https://github.com/kvm-x86/linux/commit/8528a7f9c91d
[10/16] x86/virt/tdx: Drop the outdated requirement that TDX be enabled in IRQ context
        https://github.com/kvm-x86/linux/commit/0efe5dc16169
[11/16] KVM: x86/tdx: Do VMXON and TDX-Module initialization during subsys init
        https://github.com/kvm-x86/linux/commit/165e77353831
[12/16] x86/virt/tdx: Tag a pile of functions as __init, and globals as __ro_after_init
        https://github.com/kvm-x86/linux/commit/9900400e20c0
[13/16] x86/virt/tdx: KVM: Consolidate TDX CPU hotplug handling
        https://github.com/kvm-x86/linux/commit/eac90a5ba0aa
[14/16] x86/virt/tdx: Use ida_is_empty() to detect if any TDs may be running
        https://github.com/kvm-x86/linux/commit/afe31de159bf
[15/16] KVM: Bury kvm_{en,dis}able_virtualization() in kvm_main.c once more
        https://github.com/kvm-x86/linux/commit/d30372d0b7e6
[16/16] KVM: TDX: Fold tdx_bringup() into tdx_hardware_setup()
        https://github.com/kvm-x86/linux/commit/f630de1f8d70

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