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Date: Thu, 28 Feb 2008 14:09:37 -0800 From: Max Krasnyanskiy <maxk@...lcomm.com> To: Jason Baron <jbaron@...hat.com> CC: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>, akpm@...ux-foundation.org, Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au> Subject: Re: [patch 1/2] add ALL_CPUS option to stop_machine_run() Jason Baron wrote: > -allow stop_mahcine_run() to call a function on all cpus. Calling > stop_machine_run() with a 'ALL_CPUS' invokes this new behavior. > stop_machine_run() proceeds as normal until the calling cpu has > invoked 'fn'. Then, we tell all the other cpus to call 'fn'. > Jason, we're actually trying to reduce the usage of the stop_machine in general. It's a very big hammer that kills latencies and stuff. It'd be nice if we did not introduce any more dependencies on it. I guess in some case there is simply no other way to handle what need to do. But please think twice (or more :)). Max -- 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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