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.
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