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    SubjectRe: [PATCH] arch: xtensa: include: asm: compiling issue, need cmpxchg64() defined.
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    On Mon, May 27, 2013 at 3:57 PM, Chen Gang <gang.chen@asianux.com> wrote:
    >
    > When compiling with 'allmodconfig', some of drivers need cmpxchg64(),
    > xtensa does not supply 64-bit implementation for 'xchg', so use the
    > 'generic' implementation.
    >
    > e.g. (for next-20130527 tree):
    > drivers/block/blockconsole.c:164:2: error: implicit declaration of function ‘cmpxchg64’ [-Werror=implicit-function-declaration]
    >
    > Signed-off-by: Chen Gang <gang.chen@asianux.com>
    > ---
    > arch/xtensa/include/asm/cmpxchg.h | 1 +
    > 1 files changed, 1 insertions(+), 0 deletions(-)

    Taken to the xtensa-fixes tree. Thanks.

    -- Max
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