Search Linux Wireless

Re: That's pretty much it for 3.5.0

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

 



On Tue, Jul 17, 2012 at 04:27:53PM -0700, John Fastabend wrote:
> On 7/17/2012 3:18 PM, David Miller wrote:
> >From: John Fastabend <john.r.fastabend@xxxxxxxxx>
> >Date: Tue, 17 Jul 2012 15:13:36 -0700
> >
> >>Perhaps the easiest way is to check net->count this should be zero
> >>until setup_net is called.
> >>
> >>if (!atomic_read(&init_net.count))
> >>	return ret;
> >>
> >
> >Won't work, setup_net() runs via a pure_initcall().
> >
> 
> Why not must have missed something? cgroup_init() and
> cgroup_early_init() both run before _initcall() routines are
> called via kernel_init() so this will stop the update in
> netprio from occurring.
> 
> And I don't see any race elsewhere for this.
John, can you post the backtrace you got for this?  I replied to the patch that
you posted for this fix.  the cgroup subsystem has an early_init flag thats
supposed to prevent the initialization of cgroups that don't need initialization
until later (like via module_init() calls).
Neil

> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-wireless" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux