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SubjectRe: [PATCH] parisc: fix module loading failure of large kernel modules (take 4)
On Wed, 31 Dec 2008 09:47:19 -0800 (PST) Linus Torvalds <torvalds@linux-foundation.org> wrote:

>
> > (I just notice this because I saw the warning about swiotlb_alloc_boot()
> > not being __init but calling __alloc_bootmem_low and so I looked at the
> > code yesterday)
>
> Lucky us. What's nasty about this is that most developers probably have
> updated versions of gcc, and are then surprised when some odd user has
> insane behavior that doesn't match the source code - because the compiler
> did something unexpected.

Adrian claimed that it was gcc-4.1.0 and 4.1.1 only. He proposed
banning them: http://lkml.org/lkml/2008/8/5/444

> I guess I could make a sparse rule for this, but nobody seems to run or
> care about sparse anyway. Sad.

No, there are some people who regularly run sparse and fix stuff. Pending
things here include:

y:/usr/src/25> grep sparse series
input-ads7846c-sparse-lock-annotation.patch
hugetlb-fix-sparse-warnings.patch
lib-fix-sparse-shadowed-variable-warning.patch
lib-proportionsc-trivial-sparse-lock-annotation.patch
nvidia-fix-sparse-warnings.patch
viafb-fix-sparse-warnings.patch
pm3fb-fix-sparse-warning.patch
neofb-fix-sparse-warnings.patch
i810-fix-sparse-warnings.patch
intelfb-fix-sparse-warnings.patch

Which is a good way for it to be used.


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