Re: [patch 00/29] x86/hpet: Cleanup the channel management

From: Ingo Molnar
Date: Wed Jun 26 2019 - 17:22:20 EST



* Thomas Gleixner <tglx@xxxxxxxxxxxxx> 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://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.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 <mingo@xxxxxxxxxx>

Thanks,

Ingo