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Subject[PATCH v5] Remove #ifdef CONFIG_* from all userspace headers
I think this should _actually_ be ready to go this time, the buildbot found
some errors in arches that I didn't test for.

Changes since v4 (<>)

* #9 was changed to work on arm by moving the enum to an in-kernel header

* #13 was added, this fixes a problem on blackfin.

Changes since v3 (<>)

* #4 is very different: rather than defining a canonical value for
MAP_UNINITIALIZED, it just punts on the problem and lets arch maintainers
deal with it. There's still an #ifndef MAP_UNINITIALIZED in there, but that
shouldn't get triggered by anything because the arch headers should set it
to whatever they actually want.

* #11 defines MAX_RAW_MINORS to 2^20 instead of 2^16.

* #13 moves the variable around a bit so it gets initialized. I forgot I was
in perl and not C :).

Changes since v2 (<>)

* Patch set renamed.

* #2 is rewritten to use sys_ni.c instead of an #ifdef

* #3, #6, #8, #9, #10, and #11 no longer use "#ifdef __KERNEL__" but
have instead moved the offending lines to the correct, kernel-only

* #4 has been rewritten to always define MAP_UNINITIALIZED to
non-zero, rather than defining it to zero when in userspace.

* #5 got a whole lot longer -- rather than just always hiding these
fields from userspace, there is now a second "struct
elf_fdpic_prstatus" structure. This should allow userspace to
parse core dumps correctly.

* Rebased onto 9c488de24f7264f08d341024bffdd637b4d04c96.

Changes since v1 (<>)

* All patches but #1 were added.

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