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Date: Tue, 17 Feb 2015 09:35:24 +0100 From: Sebastian Andrzej Siewior <bigeasy@...utronix.de> To: Andrey Smirnov <andrew.smirnov@...il.com> Cc: linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org, asmirnov@...etacorp.com, panos@...etacorp.com Subject: Re: i.MX6, PREEMPT-RT and interactive cpufreq governor * Andrey Smirnov | 2014-06-10 11:52:05 [-0700]: >Eventually I am hoping to disable any sorts of frequency scaling or >power management on our system, but I am still curious to know if that >is a known issue patches for which exist. Does anyone has any leads/suggestions? You need to breakout of the preempt_disable() region. However having cpufreq running will have major effect on your latency so this might not what you want in the long term. >Thank you, >Andrey Smirnov Sebastian -- 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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