please pull powerpc-merge.git

Benjamin Herrenschmidt benh at kernel.crashing.org
Wed Nov 16 17:53:09 EST 2005


On Wed, 2005-11-16 at 15:33 +1100, Paul Mackerras wrote:
> Linus,
> 
> Please do another pull from
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc-merge.git
> 
> I have moved arch/ppc64/boot over to arch/powerpc/boot, so if you use
> a zImage, you will have to use arch/powerpc/boot/zImage.vmode rather
> than arch/ppc64/boot/zImage.vmode (for a G5).  I assume you probably
> boot a vmlinux using yaboot, though.

Linus (and others on the list), in case that interests you, this
zImage.vmode thing can be booted directly from open firmware. More
specifically, it can be _netbooted_ which is very handy for testing
kernels, especially when you have 2  G5s :)

To netboot from OF, the simplest way to do so is to type:

boot enet:server_ip,filename

(server_ip is the numeric address of the tftp server, filename the file
to request on that server).

OF will automatically acquire an address for itself via DHCP.

You can make it boot that way by default by doing

setenv boot-device enet:server_ip,filename

(You can usually always back off by using the "option" key at boot to
pick your boot partition, and then from linux, re-do an "ybin" or
"mkofboot" to restore the yaboot "boot-device").

OF can also automatically pick the server and filename via DHCP,
however, Apple hacked badly there, it only works if your DHCP server has
been modified to send some apple-specific extensions. (They claim they
did that to avoid confusing users, go figure) so don't bother with that.
  
> Other than that, there is a collection of minor build and bug fixes.
> I haven't included the NUMA/sparsemem fix yet (still waiting for
> comments on the patch).

It got in anyway :)

Ben.




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