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Date:   Sun, 30 Jun 2019 21:03:47 +0800
From:   Feng Tang <feng.tang@intel.com>
To:     Thomas Gleixner <tglx@linutronix.de>
Cc:     "Chen, Rong A" <rong.a.chen@intel.com>,
        "tipbuild@zytor.com" <tipbuild@zytor.com>,
        Ingo Molnar <mingo@kernel.org>, "lkp@01.org" <lkp@01.org>,
        LKML <linux-kernel@vger.kernel.org>,
        "H. Peter Anvin" <hpa@zytor.com>, x86@kernel.org
Subject: Re: [LKP] [x86/hotplug] e1056a25da:
 WARNING:at_arch/x86/kernel/apic/apic.c:#setup_local_APIC
Message-ID: <20190630130347.GB93752@shbuild999.sh.intel.com>
References: <20190620021856.GP7221@shao2-debian>
 <alpine.DEB.2.21.1906212108150.5503@nanos.tec.linutronix.de>
 <58ea508f-dc2e-8537-fe96-49cca0a7c799@intel.com>
 <alpine.DEB.2.21.1906250821220.32342@nanos.tec.linutronix.de>
 <f5c36f89-61bf-a82e-3d3b-79720b2da2ef@intel.com>
 <alpine.DEB.2.21.1906251330330.32342@nanos.tec.linutronix.de>
 <20190628063231.GA7766@shbuild999.sh.intel.com>
 <alpine.DEB.2.21.1906280929010.32342@nanos.tec.linutronix.de>
 <alpine.DEB.2.21.1906290912390.1802@nanos.tec.linutronix.de>
 <alpine.DEB.2.21.1906301334290.1802@nanos.tec.linutronix.de>
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Hi Thomas,

On Sun, Jun 30, 2019 at 01:35:39PM +0200, Thomas Gleixner wrote:
> On Sat, 29 Jun 2019, Thomas Gleixner wrote:
> > On Fri, 28 Jun 2019, Thomas Gleixner wrote:
> > > On Fri, 28 Jun 2019, Feng Tang wrote:
> > > That function just 'works' by chance not by design. I'll stare into it and
> > > fix it up for real.
> > > 
> > > Thank you very much for that information. Your debug was spot on!
> > 
> > I rewrote that function so it actually handles that case correctly along
> > with some other things which were broken and force pushed the WIP.x86/ipi
> > branch.
> > 
> > Can you please run exactly that test again against that new version and
> > verify that this is fixed now?
> 
> Just found another issue with that thing. Don't waste your time on it. I'll
> come back to you when I'm done.

Ok. I noticed that the ipi branch has been merged to tip/master.

Thanks,
Feng

> 
> Thanks,
> 
> 	tglx