[Xen-devel] incorrect layout of globals from head_64.S during kexec boot

[Olaf Hering]

On Tue, Jul 17, Olaf Hering wrote:

To make this robust against allocation errors I will change it to

       do {

> +	/* Allocate new mfn for previous pfn */
> +	rc = HYPERVISOR_memory_op(XENMEM_populate_physmap, &reservation);

       } while (rc == 0);

> +
> +	/* Make sure the previous pfn is really connected to a (new) mfn */
> +	BUG_ON(rc != 1);

Olaf