[PATCH] net: don't unnecessarily load kernel modules in dev_ioctl()
davem at davemloft.net
Thu Mar 8 18:11:15 UTC 2018
From: Eric Dumazet <eric.dumazet at gmail.com>
Date: Thu, 8 Mar 2018 10:05:12 -0800
> Another problematic legacy behavior is the automatic creation of
> fallback tunnels, which hurts netns creation/deletion.
> Some environments want to create a netns for every job/task, and they
> do not care if the init netns has these tunnels or not.
> We have a local patch adding yet another knob to control this, since
> it saves a lot of cpu cycles (about 10ms per netns create/delete pair
Yeah, understood. At small scale the current behavior maybe made
sense, but these days it really doesn't.
No objections to the knob if you want to submit it.
To unsubscribe from this list: send the line "unsubscribe linux-security-module" in
the body of a message to majordomo at vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
More information about the Linux-security-module-archive