svn commit: r193272 - in head/sys: dev/cxgb/ulp/iw_cxgb kern netgraph netgraph/bluetooth/socket netinet netsmb nfsclient nfsserver rpc sys

[John Baldwin]

On Monday 01 June 2009 5:17:03 pm John Baldwin wrote:
> Author: jhb
> Date: Mon Jun  1 21:17:03 2009
> New Revision: 193272
> URL: http://svn.freebsd.org/changeset/base/193272
> 
> Log:
>   Rework socket upcalls to close some races with setup/teardown of upcalls.
>   - The various RPC client upcalls currently drop the socket buffer lock
>     while invoking soreceive() as a temporary band-aid.  The plan for
>     the future is to add a new flag to allow soreceive() to be called with
>     the socket buffer locked.

Hopefully once this last bit is done, the various panics people have seen with 
the new NFS code in 8 will be fixed as they all seem to be due to races 
between socket upcall teardown and socket upcall invocations.

-- 
John Baldwin