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Message-ID: <alpine.LFD.2.02.1305152039350.1388@ionos> Date: Wed, 15 May 2013 20:41:41 +0200 (CEST) From: Thomas Gleixner <tglx@...utronix.de> To: John Stultz <john.stultz@...aro.org> cc: LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>, Magnus Damm <magnus.damm@...il.com> Subject: Re: [patch 07/15] clocksource: Provide unbind interface in sysfs On Wed, 15 May 2013, John Stultz wrote: > On 05/15/2013 02:47 AM, Thomas Gleixner wrote: > > TSC is current clocksource and we only have ACPI_PM as watchdog and > > its used. So now you try to unbind ACPI_PM then the TSC would be left > > w/o a watchdog instance. That's what I'm preventing. Will reword the > > changelog accordingly. > > You might double check the logic, because I feel like I actually hit this > issue where on my vm machine w/ only hpet/acpi_pm I couldn't unbind the hpet. Yes, that might be true. I'm only checking whether the clocksource is assigned watchdog duty. So now if the TSC is not available we still assign watchdog duty to HPET and therefor unbinding it does not work. I really don't worry about that. The whole watchdog workaround is horrible and all I want to prevent is wreckage of that fragile piece of ... Thanks, tglx -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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