[PATCH v4 21/28] KVM: TDX: Add macro to retry SEAMCALLs when forcing vCPUs out of guest

[Huang, Kai]

On Thu, 2025-10-30 at 13:09 -0700, Sean Christopherson wrote:
> Add a macro to handle kicking vCPUs out of the guest and retrying
> SEAMCALLs on -EBUSY instead of providing small helpers to be used by each
	       ^
Nit: maybe TDX_OPERAND_BUSY to be more accurate, but feel free to ignore.

> SEAMCALL.  Wrapping the SEAMCALLs in a macro makes it a little harder to
> tease out which SEAMCALL is being made, but significantly reduces the
> amount of copy+paste code and makes it all but impossible to leave an
> elevated wait_for_sept_zap.
> 
> Signed-off-by: Sean Christopherson <seanjc at google.com>

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