Re: [PATCH v14 14/22] KVM: selftests: Expose function to allocate vCPU stack

[Xiaoyao Li]

On 7/23/2026 7:13 AM, Lisa Wang wrote:
> From: Sagi Shahar <sagis@xxxxxxxxxx>
>
> Introduce kvm_allocate_vcpu_stack() to allocate a vCPU's stack
> in preparation for TDX to allocate a vCPU's stack and initialize
> its stack pointer.
>
> TDX VMs' registers are protected state and cannot be initialized
> using the KVM_SET_REGS ioctl() that is used for normal VMs. A TDX
> vCPU's stack address will be a property of the TDX specific boot code
> that initializes the vCPUs' stack pointers at boot.
>
> Reviewed-by: Binbin Wu <binbin.wu@xxxxxxxxxxxxxxx>
> Signed-off-by: Sagi Shahar <sagis@xxxxxxxxxx>
> Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>
> Signed-off-by: Lisa Wang <wyihan@xxxxxxxxxx>

Reviewed-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx>