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SubjectRe: [Xen-devel] Re: Allow compile with CONFIG_DEBUG_INFO=y, X86_PAE not set on gcc 3.4.5
Adrian Bunk wrote:
> CONFIG_DEBUG_INFO=y is why I never hit it before.
>
> It does not seem to be just one dodgy Redhat compiler (as I assumed in
> the Bugzilla entry) but the whole 3.4 series of gcc which makes our
> resolution of saying that this specific compiler is broken invalid.
>
> Considering that we officially support all compilers >= 3.2 this is just
> one more case where we have to add to the kernel a workaround for a
> broken compiler.
>

Yes. I'm happy to write off a specific rpm package, but a whole series
is a different matter.

Adding

if (PREALLOCATED_PMDS == 0)
return;

in the appropriate places with a small comment seems like the right answer.

J


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