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Date:   Wed, 26 Jun 2019 23:22:13 +0200
From:   Ingo Molnar <>
To:     Thomas Gleixner <>
Cc:     LKML <>,,
        Peter Zijlstra <>,
        Ricardo Neri <>,
        Ashok Raj <>,
        Andi Kleen <>,
        Suravee Suthikulpanit <>,
        Stephane Eranian <>,
        Ravi Shankar <>
Subject: Re: [patch 00/29] x86/hpet: Cleanup the channel management

* Thomas Gleixner <> wrote:

> When reviewing the HPET NMI watchdog series, I stared into the HPET code
> and the proposed changes. The latter try to add yet another layer of duct
> tape and ifdeffery to the existing maze. No, thanks.
> The following series cleans up the channel management and consolidates all
> state storage into a single place instead of 3 different ad hoc allocated
> places which carry redundant information and make the code hard to follow.
> The reservation of a HPET channel for a NMI watchdog becomes a few lines of
> code after that series and just fits naturaly into that scheme without glue
> and more extra storage and ifdeffery.
> For your conveniance the series is also available from git:
>     git:// WIP.x86/hpet
> Thanks,
> 	tglx
> 8<---------------------
>  include/asm/hpet.h |    7 
>  kernel/apic/msi.c  |    4 
>  kernel/hpet.c      |  937 +++++++++++++++++++++++------------------------------
>  3 files changed, 428 insertions(+), 520 deletions(-)

Modulo the minor nits I just posted, all the other patches (not written 
by me) are looking good:

  Reviewed-by: Ingo Molnar <>



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