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    SubjectRe: [tip:sched/core] sched/isolation: Document the isolcpus= flags
    2017-10-27 19:06 UTC+02:00, Ingo Molnar <mingo@kernel.org>:
    >
    > * Frederic Weisbecker <frederic@kernel.org> wrote:
    >
    >> 2017-10-27 15:58 UTC+02:00, Peter Zijlstra <peterz@infradead.org>:
    >> > On Fri, Oct 27, 2017 at 05:06:25AM -0700, tip-bot for Frederic
    >> > Weisbecker
    >> > wrote:
    >> >> + isolcpus= [KNL,SMP] Isolate a given set of CPUs from disturbance.
    >> >> + Format: [flag-list,]<cpu-list>
    >> >> +
    >> >> + Specify one or more CPUs to isolate from disturbances
    >> >> + specified in the flag list (default: domain):
    >> >> +
    >> >> + nohz
    >> >> + Disable the tick when a single task runs.
    >> >> + domain
    >> >> + Isolate from the general SMP balancing and scheduling
    >> >> + algorithms. This option is the preferred way to isolate
    >> >> + CPUs from tasks.
    >> >
    >> > I _strongly_ object to this statement, isolcpus is _not_ the preferred
    >> > way, cpusets are.
    >> >
    >> > And yes, while cpusets suffers some problems, we _should_ really fix
    >> > those and not promote this piece of shit isolcpus crap.
    >>
    >> I definitely agree with that so your position is a relief :-) This
    >> patch only indented the existing parameter documentation so fixing its
    >> content was beyond its scope. I'll send a patch to correct the text.
    >
    > Since it was the last commit in tip:sched/core that was pushed out just
    > hours ago
    > I zapped that last commit, please send an updated patch which we can apply
    > and get
    > a clean series.
    >
    > Thanks,

    Note the issue was there before that patch. But nevermind I'll resend
    an updated version of the patch.

    Thanks.

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