Re: [patch] revert: [NET]: Fix races in net_rx_action vs netpoll

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jul 17, 2007 at 10:28:34AM +0200, Olaf Kirch wrote:
> On Tuesday 17 July 2007 09:55, Olaf Kirch wrote:
> > What I find more problematic about this portion of code though
> > is that once a net_device is over quota, net_rx_action will
> > loop for up to one jiffy, even if there's just this one device on
> > the poll_list.
> 
> Duh, wrong. For every loop, it'll add dev->weight to dev->quota,
> so it'll be fine very soon.

After your patch only two things can be different here: dev->poll_list
and this flag. Since Ingo offered testing it should be easy to check
after moving the check of "your" flag to __netif_rx_complete, and
skipping only list_del on true.

Jarek P.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux