linux-kernel - RE: [PATCH 5/5] X86: Hyper-V: Consolidate the allocation of the hypercall input page

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Message-ID: <alpine.DEB.2.21.1804271257230.2076@nanos.tec.linutronix.de>
Date:   Fri, 27 Apr 2018 12:58:41 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     KY Srinivasan <kys@...rosoft.com>
cc:     "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 5/5] X86: Hyper-V: Consolidate the allocation of the
 hypercall input page

On Fri, 27 Apr 2018, KY Srinivasan wrote:

> 
> 
> > -----Original Message-----
> > From: Thomas Gleixner <tglx@...utronix.de>
> > Sent: Thursday, April 26, 2018 3:24 PM
> > To: KY Srinivasan <kys@...rosoft.com>
> > Cc: x86@...nel.org; gregkh@...uxfoundation.org; linux-
> > kernel@...r.kernel.org; devel@...uxdriverproject.org; olaf@...fle.de;
> > apw@...onical.com; jasowang@...hat.com; hpa@...or.com; Stephen
> > Hemminger <sthemmin@...rosoft.com>; Michael Kelley (EOSG)
> > <Michael.H.Kelley@...rosoft.com>; vkuznets@...hat.com
> > Subject: Re: [PATCH 5/5] X86: Hyper-V: Consolidate the allocation of the
> > hypercall input page
> > 
> > On Wed, 25 Apr 2018, kys@...uxonhyperv.com wrote:
> > 
> > > From: "K. Y. Srinivasan" <kys@...rosoft.com>
> > >
> > > Consolidate the allocation of the hypercall input page.
> > 
> > Again. You can provide the new way of allocation first, then you don't have
> > to add code first in order to remove it later again. 
> 
> I have implemented the new way upfront for the new code - the IPI code
> [PATCH 2/5] X86: Hyper-V: Enable IPI enlightenments.
> What I am doing here using that infrastructure for the TLB flush enlightenments
> and getting rid of unnecessary code.

Ok. I maybe misread it, but a bit more elaborate change log might help to
avoid that.

Thanks,

	tglx