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    SubjectRe: [PATCH v2] ARM: uaccess: Implement strict user copy checks
    On Tuesday 24 August 2010, Heiko Carstens wrote:
    > On Tue, Aug 24, 2010 at 05:26:08PM +0200, Arnd Bergmann wrote:
    > > Can't you just turn that option off then? Or are you worried about
    > > allyesconfig builds?
    > I'd like to keep an allyesconfig compiling and booting.
    > With the proposed change we would never see a green entry at
    > for s390's allyesconfig
    > build ;)

    Yes, that makes sense.

    > Then maybe add a "choice" Kconfig option in a way that both allyesconfig
    > as well as allnoconfig will build?

    I think it would be easier to remove the config option entirely on s390
    and just always warn. As I said earlier in this thread, I generally
    don't think this particular warning is more important than a lot of
    the other ones that we don't turn into errors.

    I do think it would be helpful to optionally build parts of the kernel
    with the much stronger '-Werror', which we already do for some
    architectures. You could do that with inverted logic (bool "Disable -Werror
    compile option) and fix all warnings in allnoconfig to make all of
    allnoconfig, allyesconfig and defconfig build.


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