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SubjectRe: [PATCH] x86,nmi: Fix section mismatch warnings on 32-bit
>>> On 05.06.12 at 16:47, Don Zickus <dzickus@redhat.com> wrote:
> On Tue, Jun 05, 2012 at 09:12:13AM +0100, Jan Beulich wrote:
>> So before applying a change like this, I'd really like to understand
>> the issue itself. Could you simply attach the nmi_selftest.o file
>> that you get without your patch here (and indicate which
>> upstream version or revision the corresponding source file was
>> from, to be able to re-construct what the compiler actually did)?
>
> I could but it might be easier for you to re-create it on your end.
> Using gcc-4.4.4 on an x86_64 box and v3.5-rc1, I just set
> CONFIG_DEBUG_NMI_SELFTEST to 'y' and compile with
>
> make ARCH=i386 O=out/i686
>
> and it easily reproduces for me.

I don't think I have a plain 4.4.4 around anywhere, nor is it clear
whether you used a plain one (and how it was configured). For
tricky, highly version dependent things like this (where a compiler
bug also can't be excluded), having the _exact_ object file the
problem was seen with would be much easier than trying to hunt
down a compiler version that I can reproduce this with.

Jan



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