On 11/21/2012 06:37 AM, Vivek Goyal wrote:
> On Tue, Nov 20, 2012 at 11:31:38PM -0800, Yinghai Lu wrote:
>
> [..]
>> + /* avoid cross GB boundary */
>> + align = real_mode->kernel_alignment;
>> + addr = locate_hole(info, size, align, 0x100000, -1, -1);
>> + if (addr == ULONG_MAX)
>> + die("can not load bzImage64");
>> + /* same GB ? */
>> + while ((addr >> 30) != ((addr + size - 1) >> 30)) {
>> + addr = locate_hole(info, size, align, 0x100000,
>> + round_down(addr + size - 1, (1UL<<30)), -1);
>> + if (addr == ULONG_MAX)
>> + die("can not load bzImage64");
>> + }
>> + dbgprintf("Found kernel buffer at %lx size %lx\n", addr, size);
>
> Where does this limitation of not loading kernel across GB boundary come
> from?
>
Seriously... that is bizarre.
-hpa
--
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel. I don't speak on their behalf.
