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Message-ID: <20071214200605.GA17424@one.firstfloor.org> Date: Fri, 14 Dec 2007 21:06:05 +0100 From: Andi Kleen <andi@...stfloor.org> To: Thomas Gleixner <tglx@...utronix.de> Cc: Andi Kleen <andi@...stfloor.org>, Eduard-Gabriel Munteanu <eduard.munteanu@...ux360.ro>, LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu> Subject: Re: [PATCH] Option to disable AMD C1E (allows dynticks to work) > Well, that would interfere with the acpi-idle code. How so? idle notifiers should work for acpi idle too. > Anyway the idle notifiers is a pretty artificial interface which is on > my get rid of it list anyway. The original use cases were: - Accounting for idle time with stopped counters in oprofile and eliminate the need for idle=poll. That never was implemented unfortunately but would be still a worthy feature I think. - Perfmon for similar uses. - noidletick -- my original noidletick implementation used the idle notifiers similar to the s390 implementation. Obsolete now. Right now it is used for the machine check early notification, but I never liked that (imho it just "fixes" a non problem only relevant in non realistic testing situations) and it would be fine to drop that one I think. In fact I already made it a config in the patchkit to use the 64bit mce code on 32bit too. -Andi -- 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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