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Date: Thu, 12 Sep 2013 20:48:33 +0100 From: Hedi Berriche <hedi@....com> To: Mike Travis <travis@....com> Cc: paulmck@...ux.vnet.ibm.com, Peter Zijlstra <peterz@...radead.org>, Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...stprotocols.net>, Jason Wessel <jason.wessel@...driver.com>, "H. Peter Anvin" <hpa@...or.com>, Thomas Gleixner <tglx@...utronix.de>, Andrew Morton <akpm@...ux-foundation.org>, Dimitri Sivanich <sivanich@....com>, x86@...nel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 9/9] x86/UV: Add ability to disable UV NMI handler On Thu, Sep 12, 2013 at 19:59 Mike Travis wrote: | On 9/12/2013 10:27 AM, Paul E. McKenney wrote: | | > But what is it that you are looking for? If you want to silence it | > completely, the rcu_cpu_stall_suppress boot/sysfs parameter is what | > you want to use. | | We have by default rcutree.rcu_cpu_stall_suppress=1 on the kernel | cmdline. I'll double check if it was set during my testing. FWIW, for recent enough kernels the correct boot parameter is rcupdate.rcu_cpu_stall_suppress. It used to be rcutree.rcu_cpu_stall_suppress, but that has changed after commit 6bfc09e. Cheers, Hedi. -- Be careful of reading health books, you might die of a misprint. -- Mark Twain -- 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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