[Cake] [Cerowrt-devel] apu2 sqm/htb issue + a minor win for speeding up fq_codel itself

[Toke Høiland-Jørgensen]

Jonathan Morton <chromatix99 at gmail.com> writes:

> I'm not familiar with precisely what mitigations are now in use on
> ARM. I am however certain that, on a device running only trustworthy
> code (ie. not running a Web browser), mitigating Spectre is
> unnecessary. If an attacker gets into a position to exploit it, he's
> already compromised the device enough to run a botnet anyway.

Yup, especially on openwrt, where most daemons run as root anyway :)

I would assume that something like the retpoline indirect function call
protection is not actually enabled on openwrt; but since we were talking
about performance regressions, that is certainly a major one...

-Toke