Re: unaligned accesses in SLAB etc.

[David Miller]

From: Meelis Roos <mroos@xxxxxxxx>
Date: Sun, 19 Oct 2014 10:07:03 +0300 (EEST)

>> From: Meelis Roos <mroos@xxxxxxxx>
>> Date: Fri, 17 Oct 2014 00:38:20 +0300 (EEST)
>> 
>> > arch/sparc/kernel/setup_64.c is the only culprit.
>> > 
>> > Attached are 2 versions of the object file as of v3.17-rc1-22-g480cadc 
>> > that I tested.
>> 
>> Just to confirm, a gcc-4.9 compiled kernel works if just setup_64.c
>> is built with gcc-4.6, is that correct?
> 
> Yes, exactly.

Just an update, I have an environment where I can perfectly reproduce
this.  I have a gcc-4.9 SVN built that compiles kernels which crash
the same way it does for you.

I'll let you know when I make more progress.
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