Re: unaligned accesses in SLAB etc.

[Meelis Roos]

> Do you happen to have both gcc-4.9 and a previously working compiler
> on these systems?  If you do, we can build a kernel with gcc-4.9 and
> then selectively compile certain failes with the older working
> compiler to narrow down what compiles into something non-working with
> gcc-4.9

Yes, I kept gcc-4.6 to help resolving it.

[...]

> Hopefully, this should be a simply matter of doing a complete build
> with gcc-4.9, then removing the object file we want to selectively
> build with the older compiler and then going:
> 
> 	make CC="gcc-4.6" arch/sparc/mm/init_64.o
> 
> then relinking with plain 'make'.
> 
> If the build system rebuilds the object file on you when you try
> to relink the final kernel image, we'll have to do some of this
> by hand to make the test.

Unfortunately it starts a full rebuild with plain make after compiling 
some files with gcc-4.6 - detects CC change?

-- 
Meelis Roos (mroos@xxxxxxxx)
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