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SubjectRe: [patch 1/2] add ALL_CPUS option to stop_machine_run()

* Max Krasnyanskiy <maxk@qualcomm.com> wrote:

> btw Being an RT guy you do not think that stop machine is evil ? [...]

i'm not "an RT guy", -rt is just one of the many projects i've been
involved with.

and no, i dont think stop machine is "evil" - it's currently the best
way to do certain things. If you can solve it better then sure, i'm
awaiting your patches - but the only patch i saw from you so far was the
one that turned off stop-machine for isolated cpus - which was
incredibly broken and ignored the problem altogether.

Right now the answer is: "if you want to do hard RT then avoid doing
things like loading modules". (which you should avoid while doing
hard-RT anyway)

Ingo


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