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    SubjectRe: [PATCH tip v6 2/5] kbuild: Add option to turn incompatible pointer check into error
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    On 02/01/2016 07:49 AM, Daniel Wagner wrote:
    > On 01/29/2016 07:55 PM, Paul Gortmaker wrote:
    >> [Re: [PATCH tip v6 2/5] kbuild: Add option to turn incompatible pointer check into error] On 29/01/2016 (Fri 13:17) Daniel Wagner wrote:
    >>
    >>> On 01/28/2016 03:44 PM, Daniel Wagner wrote:
    >>>> +# enforce correct pointer usage
    >>>> +KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types)
    >>>> +
    >>>
    >>> As it turns out there are a few fallouts by that one. I'll send fixes
    >>> for it.
    >>
    >> Did you try non-x86 builds with this applied? I'd be really surprised
    >> if there were just a few, once you did allyesconfig/allmodconfig for
    >> ARM, MIPS, PPC, etc.
    >
    > I have tried this with non-x86 builds and apart of a few problems all
    > looked fine. As it turns out I was using too old cross tools from
    > kernel.org [1]. Luckily Fengguang's kbuild robot did catch a bunch of
    > them (see the patches in this series).

    It turns out this week was particular bad for doing anything productive.
    Anyway, I found some time to fire up some cross compilers and it looks
    promising.

    I used the cross compiler version 5.2.1 shipped by Fedora 23
    and run allyesconfig/allmodconfig for ARM, ARM64, MIPS64, PPC64
    (swait-v7 and 4.5-rc2). No new errors popped up.

    With some luck I get some more architectures covered soon.

    cheers,
    daniel

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