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Message-ID: <1335287700.28150.211.camel@twins>
Date: Tue, 24 Apr 2012 19:15:00 +0200
From: Peter Zijlstra <a.p.zijlstra@...llo.nl>
To: "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc: Konstantin Khlebnikov <khlebnikov@...nvz.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Ingo Molnar <mingo@...e.hu>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Prashanth Nageshappa <prashanth@...ux.vnet.ibm.com>,
Thomas Gleixner <tglx@...utronix.de>,
"Rafael J. Wysocki" <rjw@...k.pl>,
Linux PM mailing list <linux-pm@...r.kernel.org>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
Srivatsa Vaddagiri <vatsa@...ux.vnet.ibm.com>,
Nikunj A Dadhania <nikunj@...ux.vnet.ibm.com>
Subject: Re: [PATCH bisected regression] sched: rebuild sched domains at
suspend/resume
On Mon, 2012-04-23 at 18:44 +0530, Srivatsa S. Bhat wrote:
>
> Basically, our assumption that we are good to go (even with stale sched
> domains) as long as the dying cpu was not in the cpu_active_mask, was wrong.
Argh, that means cpu_active_mask is pointless.. so we should either fix
that or remove that thing entirely.
Anyway, tglx is reworking all that hotplug stuff as we speak, I think
its best to wait for that dust to settle before we go make the mess even
bigger.
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