Hi Vlad, Did you consider my input in http://www.mail-archive.com/linux-rdma@vger.kernel.org/msg02803.html wrt. to these enhancements?
Thanks, Håkon On Mar 10, 2010, at 16:57 , Vladimir Sokolovsky wrote: > Hi Roland, > > This patchset adds support for the following enhanced atomic > operations: > - Masked atomic compare and swap > - Masked atomic fetch and add > > These operations enable using a smaller amount of memory when using > multiple locks by using portions of a 64 bit value in an atomic > operation. > For some applications the memory savings are very significant. One > example is fine grain lock implementations for huge data sets. In > other cases, the benefit is the ability to update multiple fields with > a single io operation. > > Vladimir Sokolovsky(2): > IB/core: Add support for enhanced atomic operations > mlx4/IB: Add support for enhanced atomic operations > > changes from V2: > - patch #1: > Updated description > Renamed: > IB_WR_ATOMIC_MASKED_CMP_AND_SWP -> IB_WR_MASKED_ATOMIC_CMP_AND_SWP > IB_WR_ATOMIC_MASKED_FETCH_AND_ADD -> IB_WR_MASKED_ATOMIC_FETCH_AND_ADD > In the ib_send_wr struct the new fields added before the rkey field > > - patch #2: > Set IB_DEVICE_MASKED_ATOMIC flag with other flags that get set for > all devices > > Regards, > Vladimir > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html Håkon Bugge haakon.bu...@sun.com +47 924 84 514 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
