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Date: Mon, 20 Jan 2014 14:17:35 +0100
From: Peter Zijlstra <peterz@infradead.org>
To: Tim Chen <tim.c.chen@linux.intel.com>
Cc: Ingo Molnar <mingo@elte.hu>, Andrew Morton <akpm@linux-foundation.org>,
        Thomas Gleixner <tglx@linutronix.de>,
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        Matthew R Wilcox <matthew.r.wilcox@intel.com>,
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        Peter Hurley <peter@hurleysoftware.com>,
        Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
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        Aswin Chandramouleeswaran <aswin@hp.com>,
        Scott J Norton <scott.norton@hp.com>,
        "Figo.zhang" <figo1802@gmail.com>
Subject: Re: [PATCH v7 6/6] MCS Lock: add Kconfig entries to allow
 arch-specific hooks
Message-ID: <20140120131735.GD3694@twins.programming.kicks-ass.net>
References: <cover.1389890175.git.tim.c.chen@linux.intel.com>
 <1389917316.3138.16.camel@schen9-DESK>
 <20140120123030.GE31570@twins.programming.kicks-ass.net>
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On Mon, Jan 20, 2014 at 01:30:30PM +0100, Peter Zijlstra wrote:
> Then again, people seem to whinge if you don't keep these Kbuild files
> sorted, but manually sorting 29 files is just not something I like to
> do.

This seems to do it..

gawk '/^generic-y/ {
	i = 3;
	do {
		for (; i<=NF; i++) {
			if ($i == "\\") {
				getline;
				i=1;
				continue;
			}
			if ($i != "")
				hdr[$i] = $i;
		}
		break;
	} while (1);
	next;
}
// { print $0; }
END {
	n = asort(hdr);
	for (i=1; i<=n; i++)
		print "generic-y += " hdr[i];
}'