Re: [PATCH 0/7] KVM: TDX SEPT SEAMCALL retry

Edgecombe, Rick P
2025-01-14T22:28:08Z

We should probably...

On Mon, 2025-01-13 at 10:09 +0800, Yan Zhao wrote:
>   KVM: TDX: Return -EBUSY when tdh_mem_page_add() encounters
>     TDX_OPERAND_BUSY

Squash this in "KVM: TDX: Add an ioctl to create initial guest
memory" in kvm-coco-queue.

>   KVM: x86/mmu: Return RET_PF* instead of 1 in kvm_mmu_page_fault()

Recommend this to go through kvm/x86 tree separately?

>   KVM: TDX: Retry locally in TDX EPT violation handler on RET_PF_RETRY
>   KVM: TDX: Kick off vCPUs when SEAMCALL is busy during TD page removal

Include these in kvm-coco-queue and drop "x86/virt/tdx: Retry seamcall when
TDX_OPERAND_BUSY with operand SEPT"

>   fixup! KVM: TDX: Implement hooks to propagate changes of TDP MMU
>     mirror page table
>   fixup! KVM: TDX: Implement hooks to propagate changes of TDP MMU
>     mirror page table

Squash these into kvm-coco-queue.

>   fixup! KVM: TDX: Implement TDX vcpu enter/exit path

Add this in the next version of "TDX vcpu enter/exit path".

How does that sound?