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Date: Thu, 17 Apr 2008 11:22:05 -0400 (EDT) From: Alan Stern <stern@...land.harvard.edu> To: Peter Zijlstra <peterz@...radead.org> cc: Kernel development list <linux-kernel@...r.kernel.org> Subject: Semphore -> mutex in the device tree Peter: The obstacle to converting the semaphore in struct device to a mutex has been that its tree-oriented usage pattern isn't compatible with lockdep. In order to get around this and at least begin the conversion process, how about adding a provision for making some classes of mutex invisible to lockdep? I know it doesn't solve the fundamental problem, but maybe it's a step in the right direction. Alan Stern -- 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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