[ofa-general] Re: [PATCH 24/28] IB/ipath - ipath_poll fixups and enhancements
Roland Dreier
rdreier at cisco.com
Wed Jun 20 14:00:27 PDT 2007
> + tail = *(volatile u64 *)pd->port_rcvhdrtail_kvaddr;
Why is there a volatile here? cf http://lwn.net/Articles/234017/
("volatile considered harmful")
- R.
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