[ofa-general] Re: regression
Roland Dreier
rdreier at cisco.com
Mon Jul 7 16:11:37 PDT 2008
> ethtool ops assume the rtnl_lock is held. From net/core/dev.c:
>
> case SIOCETHTOOL:
> dev_load(net, ifr.ifr_name);
> rtnl_lock();
> ret = dev_ethtool(net, &ifr);
> rtnl_unlock();
>
>
>
> I'm just avoiding the overhead of building the ifr struct and calling
> the ioctl...
Yes, but cf the argument I'm having with davem on netdev right now about
whether the get_drvinfo ethtool method is safe to call without rtnl...
- R.
More information about the general
mailing list