Re: [PATCH v15 03/23] KVM: selftests: Initialize the TDX VM

[Xiaoyao Li]

On 10/2/2026 3:37 AM, Lisa Wang wrote:
> +#define tdx_vm_ioctl(vm, cmd, flags, arg)				\
> +({									\
> +	u64 hw_error;							\
> +	int ret = __tdx_vm_ioctl(vm, cmd, flags, arg, &hw_error);	\
> +									\
> +	TEST_ASSERT(!ret,						\
> +		    "%s failed, rc: %d errno: %i (%s) hw_error: 0x%llx",\
> +		    #cmd, ret, errno, strerror(errno),			\
> +		    (unsigned long long)hw_error);			\
> +})

The cast to (unsigned long long) catches me eye. Can we use

  "hw_error: 0x%" PRIx64

instead?