linux-kernel - Re: infinite loop in read_hpet from ktime_get_boot_fast

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Message-ID: <20190612123151.GL3463@hirez.programming.kicks-ass.net>
Date:   Wed, 12 Jun 2019 14:31:51 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>, clemens@...isch.de,
        Sultan Alsawaf <sultan@...neltoast.com>,
        Waiman Long <longman@...hat.com>, X86 ML <x86@...nel.org>,
        arnd@...db.de
Subject: Re: infinite loop in read_hpet from ktime_get_boot_fast_ns

On Wed, Jun 12, 2019 at 02:28:43PM +0200, Peter Zijlstra wrote:

> AFAICT only: alpha, h8300, hexagon, m68knommu, nds32, nios2, openrisc
> are lacking any form of sched_clock(), the rest has it either natively
> or through sched_clock_register().

Scratch nds32, they use drivers/clocksource/timer-atcpit100.c

Thanks Arnd!