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    IB/mthca: Avoid alignment traps when writing doorbells · ab8403c4
    Roland Dreier 提交于
    Architectures such as ia64 see alignment traps when doing a 64-bit 
    read from __be32 doorbell[2] arrays to do doorbell writes in 
    mthca_write64().  Fix this by just passing the two halves of the 
    doorbell value into mthca_write64().  This actually improves the 
    generated code by allowing the compiler to see what's going on better.
    Signed-off-by: NRoland Dreier <rolandd@cisco.com>
    ab8403c4
mthca_cq.c 25.7 KB