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SubjectRe: [PATCH 0/8] sched: Fix hot-unplug regressions
On Sat, Jan 16, 2021 at 07:48:59AM -0800, Paul E. McKenney wrote:
> On Sat, Jan 16, 2021 at 12:30:33PM +0100, Peter Zijlstra wrote:
> > Hi,
> >
> > These patches (no longer 4), seems to fix all the hotplug regressions as per
> > nearly a 100 18*SRCU-P runs over-night.
>
> Nice!!!
>
> > I did clean up the patches, so possibly I wrecked it again. I've started new
> > runs and will again leave them running over-night.
> >
> > Paul, if you could please also throw your monster machine at it.
>
> Will do as soon as the tests I started yesterday complete, which should
> be this afternoon, Pacific Time.
>
> My thought is to do the full set of scenarios overnight, then try
> hammering either SRCU-P and/or whatever else shows up in the overnight
> test. Seem reasonable?

And the SRCU-P runs did fine. I got some task hangs on TREE03 and (to
a lesser extent) TREE04. These might well be my fault, so I will try
bisecting tomorrow, Pacific Time.

Thanx, Paul

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