Re: sparc64, mm BUG in 3.9-rc8

[David Miller]

From: Meelis Roos <mroos@xxxxxxxx>
Date: Mon, 22 Apr 2013 16:57:22 +0300 (EEST)

> Hello, I got a non-booting Sun E420R (sparc64) with 3.9-rc8: BUG-s in 
> mm/slub.c:925 and mm/memory.c:1267 (the latter keeps scrolling until 
> other things break and panic comes from trying to kill init). This is 
> reproducible. Same machine runs 3.9.0-rc7-00004-gbb33db7 successfully.
> Configuration is below.

It's certainly a bug in the TLB shootdown fix, please verify that
reverting the following fixes things: