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    Subject[RFC PATCH 1/2] static_call: fix out-of-line static call implementation
    Date
    Actually call __static_call_update() from static_call_update(), and fix the
    former so it can actually compile. Also make it update key.func.

    Signed-off-by: Edward Cree <ecree@solarflare.com>
    ---
    include/linux/static_call.h | 6 ++++--
    1 file changed, 4 insertions(+), 2 deletions(-)

    diff --git a/include/linux/static_call.h b/include/linux/static_call.h
    index 6daff586c97d..38d6c1e4c85d 100644
    --- a/include/linux/static_call.h
    +++ b/include/linux/static_call.h
    @@ -153,16 +153,18 @@ struct static_call_key {

    #define static_call(key, args...) STATIC_CALL_TRAMP(key)(args)

    -#define __static_call_update(key, func) \
    +#define __static_call_update(key, _func) \
    ({ \
    cpus_read_lock(); \
    - arch_static_call_transform(NULL, key->tramp, func); \
    + arch_static_call_transform(NULL, key.tramp, _func); \
    + WRITE_ONCE(key.func, _func); \
    cpus_read_unlock(); \
    })

    #define static_call_update(key, func) \
    ({ \
    BUILD_BUG_ON(!__same_type(func, STATIC_CALL_TRAMP(key))); \
    + __static_call_update(key, func); \
    })

    #define EXPORT_STATIC_CALL(key) \
    \
     
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      Last update: 2018-12-12 18:50    [W:4.452 / U:0.152 seconds]
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