Re: [tip: core/rcu] rcu: Enable tick for nohz_full CPUs slow to provide expedited QS
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- Subject: Re: [tip: core/rcu] rcu: Enable tick for nohz_full CPUs slow to provide expedited QS
- From: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
- Date: Sat, 25 Jan 2020 17:43:18 -0800
- Cc: linux-kernel@xxxxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx, x86 <x86@xxxxxxxxxx>
- In-reply-to: <20200125194846.GF2935@paulmck-ThinkPad-P72>
- References: <157994897654.396.5667707782512768142.tip-bot2@tip-bot2> <20200125131425.GB16136@zn.tnic> <20200125161050.GE2935@paulmck-ThinkPad-P72> <20200125175442.GA4369@zn.tnic> <20200125194846.GF2935@paulmck-ThinkPad-P72>
- Reply-to: paulmck@xxxxxxxxxx
- User-agent: Mutt/1.9.4 (2018-02-28)
On Sat, Jan 25, 2020 at 11:48:46AM -0800, Paul E. McKenney wrote:
> On Sat, Jan 25, 2020 at 06:54:42PM +0100, Borislav Petkov wrote:
> > On Sat, Jan 25, 2020 at 08:10:50AM -0800, Paul E. McKenney wrote:
[ . . . ]
> > > So could you please try out the (untested) patch below?
> >
> > Warning's gone.
>
> Very good. I will get it property prepared and tested, then send it
> along to Ingo.
And it passes my rcutorture testing as well! If it does fine with 0day
and -next, I will send a pull request Sunday evening, Pacific Time.
In the meantime, it is right here in -rcu:
59d8cc6b2e37 ("rcu: Forgive slow expedited grace periods at boot time")
Thanx, Paul
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