linux-kernel - Re: [PATCH v5 2/5] tick: Add freeze timer events

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Message-ID: <alpine.DEB.2.20.1707190038360.2425@nanos>
Date:   Wed, 19 Jul 2017 00:39:43 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "dbasehore ." <dbasehore@...omium.org>
cc:     "Rafael J. Wysocki" <rafael@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Rajneesh Bhardwaj <rajneesh.bhardwaj@...el.com>,
        the arch/x86 maintainers <x86@...nel.org>,
        Platform Driver <platform-driver-x86@...r.kernel.org>,
        Len Brown <len.brown@...el.com>,
        Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v5 2/5] tick: Add freeze timer events

On Tue, 18 Jul 2017, dbasehore . wrote:
> On Tue, Jul 18, 2017 at 3:22 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> > The HPET consists of several independent comparator units. The kernel uses
> > only a limited set of them. We can reserve one or more for that purpose, so
> > it does not require any multiplexing or whatever. How many of them do you
> > need?
> >
> 
> I just need one. Is it a different irq than the RTC? It would be nice
> if we could avoid going through the s2idle_loop code.

Yes, it is a different IRQ.

Thanks,

	tglx