linux-kernel - Re: [PATCH v3 1/2] x86/vdso: Move mult and shift into struct vgtod

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Message-ID: <df6b6311-ac67-857f-5a81-aee4eabd9f47@nokia.com>
Date:   Mon, 24 Jun 2019 09:16:26 +0000
From:   "Sverdlin, Alexander (Nokia - DE/Ulm)" <alexander.sverdlin@...ia.com>
To:     Thomas Gleixner <tglx@...utronix.de>
CC:     "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Jason Vas Dias <jason.vas.dias@...il.com>,
        Andy Lutomirski <luto@...nel.org>
Subject: Re: [PATCH v3 1/2] x86/vdso: Move mult and shift into struct vgtod_ts

Hi Thomas,

On 23/06/2019 12:18, Thomas Gleixner wrote:
> The alternative solution for this is what Vincenzo has in his unified VDSO
> patch series:
> 
>   https://lkml.kernel.org/r/20190621095252.32307-1-vincenzo.frascino@arm.com
> 
> It leaves the data struct unmodified and has a separate array for the raw
> clock. That does not have the side effects at all.
> 
> I'm in the process of merging that series and I actually adapted your
> scheme to the new unified infrastructure where it has exactly the same
> effects as with your original patches against the x86 version.

please let me know if I need to rework [2/2] based on some not-yet-published
branch of yours.

-- 
Best regards,
Alexander Sverdlin.