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    SubjectRe: [PATCH 1/2] Add thread_info_cache_init() to all archs

    On Wed, 2008-05-21 at 21:06 +0200, Sam Ravnborg wrote:
    > It was discussed to add some run-time checks for this issue.
    > But the examples given were a bit fluffy so I never integrated
    > anything
    > i kbuild to detect this.
    > As this is only a bug for const weak functions they could be made
    > non-const
    > if they are seldomly used?

    With the asm("") trick ?

    I suppose, but I'm also happy to just reject the bad gcc...

    It shouldn't be too hard to do a test case made of 2 files.


    int foo(void)


    int foo(void) __weak

    int main(void)
    return 0;

    And check for "good" in the output of said program..

    Can somebody test that ? Luke, you have a broken compiler, can you make
    up some test that could be integrated in the kernel build system
    easily ?

    (I'm travelling right now, no time to play much with it myself).


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