On 7/23/2026 7:13 AM, Lisa Wang wrote:
From: Sagi Shahar <[email protected]>

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 <[email protected]>
Signed-off-by: Sagi Shahar <[email protected]>
Reviewed-by: Ira Weiny <[email protected]>
Signed-off-by: Lisa Wang <[email protected]>

Reviewed-by: Xiaoyao Li <[email protected]>


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