linux-kernel - [PATCH V2 0/3] Introduce and use DO

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Date:	Thu, 21 May 2009 21:27:29 -0700
From:	Joe Perches <joe@...ches.com>
To:	linux-kernel@...r.kernel.org
Cc:	cpufreq@...r.kernel.org, Dave Jones <davej@...hat.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
	x86@...nel.org, Len Brown <len.brown@...el.com>,
	Mike Travis <travis@....com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Thomas Gleixner <tglx@...utronix.de>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	Alan Cox <alan@...rguk.ukuu.org.uk>
Subject: [PATCH V2 0/3] Introduce and use DO_ONCE statement expression macro

The printk_once macro in kernel.h is limited to printk

This generalizes the functionality of printk_once and
allows statements like DO_ONCE(pr_info("foo\n"))
and DO_ONCE(initialize(foo));

Uses atomic test_and_set_bit

Joe Perches (3):
  kernel.h: Add DO_ONCE statement expression macro
  arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c: Use DO_ONCE & spelling fix
  kernel.h: Remove unused printk_once

 arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c |    4 ++--
 include/linux/kernel.h                     |   26 +++++++++++---------------
 2 files changed, 13 insertions(+), 17 deletions(-)

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