linux-kernel - RE: [PATCH 3/4] Drivers: hv: vmbus: Add hooks for per-CPU IRQ

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Message-ID: <CY4PR21MB077319B5C65A6959D9F4DE86D7AE0@CY4PR21MB0773.namprd21.prod.outlook.com>
Date:   Mon, 3 Dec 2018 01:47:39 +0000
From:   Michael Kelley <mikelley@...rosoft.com>
To:     Will Deacon <will.deacon@....com>,
        Greg KH <gregkh@...uxfoundation.org>
CC:     KY Srinivasan <kys@...rosoft.com>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "marc.zyngier@....com" <marc.zyngier@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.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>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        vkuznets <vkuznets@...hat.com>
Subject: RE: [PATCH 3/4] Drivers: hv: vmbus: Add hooks for per-CPU IRQ

From: Will Deacon <will.deacon@....com>  Sent: Tuesday, November 27, 2018 2:19 AM

> > > The general approach is for patches 1 and 2 of the series to provide
> > > all the new code under arch/arm64 to enable Hyper-V.  But the code
> > > won't get called (or even built) with just these two patches because
> > > CONFIG_HYPERV can't be selected.  Patch 3 is separate because it
> > > applies to architecture independent code and arch/x86 code -- I thought
> > > there might be value in keeping the ARM64 and x86 patches distinct.
> > > Patch 4 applies to architecture independent code, and enables the
> > > ARM64 code in patches 1 and 2 to be compiled and run when
> > > CONFIG_HYPERV is selected.
> > >
> > > If combining some of the patches in the series is a better approach, I'm
> > > good with that.
> >
> > Ok, that makes more sense, if it is easier to get the ARM people to
> > review this, that's fine.  Doesn't seem like anyone did that yet :(
> 
> It's on the list, but thanks for having a look as well!
> 
> Will

Will -- I'll hold off on sending a new version, pending comments from
the ARM64 maintainers.  Let me know if you prefer that I do otherwise.

Michael