tree b7456cf49eaf034740fa7cb8b75e5b6ee01c9666
parent 782c3fd470abddf2525e34cf3131215a8f95e834
author David S. Miller <davem@sunset.davemloft.net> 1128550320 -0700
committer David S. Miller <davem@sunset.davemloft.net> 1128550320 -0700

[SPARC64]: Fix initrd when net booting.

By allocating early memory for the firmware page tables, we
can write over the beginning of the initrd image.

So what we do now is:

1) Read in firmware translations table while still on the
   firmware's trap table.
2) Switch to Linux trap table.
3) Init bootmem.
4) Build firmware page tables using __alloc_bootmem().

And this keeps the initrd from being clobbered.

Signed-off-by: David S. Miller <davem@davemloft.net>