[PATCH v4 00/28] KVM: x86/mmu: TDX post-populate cleanups

Huang, Kai kai.huang at intel.com
Fri Oct 31 10:19:41 AEDT 2025


On Thu, 2025-10-30 at 13:09 -0700, Sean Christopherson wrote:
> Non-x86 folks, as with v3, patches 1 and 2 are likely the only thing of
> interest here.  They make kvm_arch_vcpu_async_ioctl() mandatory and then
> rename it to kvm_arch_vcpu_unlocked_ioctl().
> 
> As for the x86 side...
> 
> Clean up the TDX post-populate paths (and many tangentially related paths) to
> address locking issues between gmem and TDX's post-populate hook[*], and
> within KVM itself (KVM doesn't ensure full mutual exclusivity between paths
> that for all intents and purposes the TDX-Module requires to be serialized).

I pulled this series to local, applied to kvm-x86/next and sanity tested
that booting/destroying two TDs worked fine, so:

Tested-by: Kai Huang <kai.huang at intel.com>


More information about the Linuxppc-dev mailing list