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    SubjectRE: [PATCH v6 18/19] x86: Add support for generic vDSO
    On Mon, 24 Jun 2019, Michael Kelley wrote:
    > From: Thomas Gleixner <tglx@linutronix.de> Sent: Sunday, June 23, 2019 3:13 PM
    > >
    > > I have no objections if you collect hyper-v stuff, quite the contrary, but
    > > changes which touch other subsystems need to be coordinated upfront. That's
    > > all I'm asking for.
    > >
    > > Btw, that clocksource stuff looks good code wise, just the change logs need
    > > some care and after the VDSO stuff hits next we need to sort out the
    > > logistics. I hope these changes are completely self contained. If not we'll
    > > find a solution.
    > >
    >
    > In my view, the only thing that potentially needs a solution is where the
    > Hyper-V clock code used by VDSO ends up in the code tree. I think the
    > right long term place is include/clocksource/hyperv_timer.h. That location
    > is architecture neutral, and the same Hyper-V clock code will be shared by
    > the Hyper-V on ARM64 support that's in process.
    >
    > Vincenzo's patch set creates a new file arch/x86/include/asm/mshyperv-tsc.h,
    > which I will want to move when creating the separate Hyper-V clocksource
    > driver. If you're OK with that file existing for a release and then going away,
    > that's fine. Alternatively, put the code in include/clocksource/hyperv_timer.h
    > now as part of the VDSO patch set so it's in the right place from the start. My
    > subsequent patch set will add a few additional tweaks to remove x86-isms
    > and fully integrate with the separate Hyper-V clocksource driver.

    I don't care whether this goes into 5.3 or later. If you can provide me
    rebased self contained patches on top of

    git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/vdso

    I'm happy to pull them in on top.

    Thanks,

    tglx

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