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    Subject[ATM] more changes available for testing...

    new changes with this release --

    . the vcc socket list is now global instead of per interface
    . more drivers have been tested with the smp locking (iphase, fore200e)
    other have the changes, but are untested due to no hardware (lanai, idt77252)
    . alloc_tx, free_rx_skb are no longer part of struct atmdev
    . iovcnt has been removed -- linux-atm should use skb.nr_frags in the
    . ATM_PDUOVHD has been removed (it was 0 anyway)
    . some (very unlikely) races in net/atm/svc.c were addressed
    . listenq was dropped in favor just using the receive_queue of the
    listening 'socket'
    . 2.4 makefile issues corrected (or so i think)
    . SO_ATMQOS should be more 'stack' friendly
    . skb->cb is memzero'ed before calling netif_rx()

    previous changes included --

    . should no longer race when opening vcc's -- atm_find_ci is obselete
    the upper layer always allocates the vpi/vci with the proper locking
    . fixes a race for device numbering in atm_dev_register()
    . make the list of vcc's global. this simplifies the code quite a bit,
    and for a vast majority (single atm card) its essentially the same.
    . converts vcc->itf to vcc->sk->bound_dev_if
    . lets proc/fore200e/eni walk the vcc list safely now

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