linux-kernel - RE: [PATCH 1/1] X86/Hyper-V:: Fix the circular dependency in IPI enlightenment.

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Message-ID: <alpine.DEB.2.21.1807061240560.1664@nanos.tec.linutronix.de>
Date:   Fri, 6 Jul 2018 12:42:03 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     KY Srinivasan <kys@...rosoft.com>
cc:     Ingo Molnar <mingo@...nel.org>, "x86@...nel.org" <x86@...nel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
        "olaf@...fle.de" <olaf@...fle.de>,
        "apw@...onical.com" <apw@...onical.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "hpa@...or.com" <hpa@...or.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        "Michael Kelley (EOSG)" <Michael.H.Kelley@...rosoft.com>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>
Subject: RE: [PATCH 1/1] X86/Hyper-V:: Fix the circular dependency in IPI
 enlightenment.

On Fri, 6 Jul 2018, Thomas Gleixner wrote:
> On Fri, 6 Jul 2018, KY Srinivasan wrote:
> > > 
> > > The problem is that the wreckage is in Linus tree and needs to be fixed
> > > there, i.e. via x86/urgent.
> > > 
> > > Now we have the new bits queued in x86/hyperv already which collide. So
> > > we
> > > need to merge x86/urgent into x86/hyperv after applying the fix and mop up
> > > the merge wreckage in x86/hyperv.
> > > 
> > > I'll have a look tomorrow morning unless you beat me to it.
> > 
> > I can rebase this patch against the latest tip and resend (tomorrow).
> 
> That doesn't help as we need to push the original fix to Linus ...

Applied it to x86/urgent and fixed up the '-1' sloppy hack as pointed out
by Vitaly and merged x86/urgent into x86/hyperv.

Please check both branches for correctness.

Thanks,

	tglx