Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755465Ab0GKVUr (ORCPT ); Sun, 11 Jul 2010 17:20:47 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:54772 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755300Ab0GKVUm (ORCPT ); Sun, 11 Jul 2010 17:20:42 -0400 From: Arnd Bergmann To: linux-kernel@vger.kernel.org Cc: John Kacur , Frederic Weisbecker , Arnd Bergmann , Benjamin Herrenschmidt , Corey Minyard , "David S. Miller" , David Woodhouse , Greg Kroah-Hartman , "James E.J. Bottomley" , Jesper Nilsson , Karsten Keil , Mauro Carvalho Chehab , netdev@vger.kernel.org, openipmi-developer@lists.sourceforge.net, devel@driverdev.osuosl.org, linux-cris-kernel@axis.com, linux-media@vger.kernel.org, linux-mtd@lists.infradead.org, linuxppc-dev@ozlabs.org, linux-scsi@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH 00/12] autoconvert trivial BKL users to private mutex Date: Sun, 11 Jul 2010 23:18:51 +0200 Message-Id: <1278883143-29035-1-git-send-email-arnd@arndb.de> X-Mailer: git-send-email 1.7.1 X-Provags-ID: V02:K0:U+8t1zGgKS/+gmvbdo5AfxR5k0C/63n7B8z+TnwT16J ucPGHm+eT2DNjFXyhL0s8yNdMCrOv9p68ROqN3m0Aqjdn54ah8 rpD8bbBawENNTZPlabigY5VsjVkw3Xg8wgAnlKmYrNVlmerhf4 WfNa78uwI9x4n4DrZiySlX8wfkunoA++Ms5EGXzlIdjrCvjYOu +2X5Jr9F6fLnu75bYMLug== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7441 Lines: 144 This is a repost of an earlier patch to remove those users of the big kernel lock that can be converted to a mutex using a simple script. The only use of the BKL is in file operations that are called without any other lock, so the new mutex is the top-level serialization and cannot introduce any AB-BA deadlock. Please apply to the respective maintainer trees if the patches look good. Arnd Bergmann (12): staging: autoconvert trivial BKL users to private mutex isdn: autoconvert trivial BKL users to private mutex scsi: autoconvert trivial BKL users to private mutex media: autoconvert trivial BKL users to private mutex usb: autoconvert trivial BKL users to private mutex net: autoconvert trivial BKL users to private mutex cris: autoconvert trivial BKL users to private mutex sbus: autoconvert trivial BKL users to private mutex mtd: autoconvert trivial BKL users to private mutex mac: autoconvert trivial BKL users to private mutex ipmi: autoconvert trivial BKL users to private mutex drivers: autoconvert trivial BKL users to private mutex arch/cris/arch-v10/drivers/eeprom.c | 2 - arch/cris/arch-v10/drivers/i2c.c | 2 - arch/cris/arch-v32/drivers/cryptocop.c | 2 - arch/cris/arch-v32/drivers/i2c.c | 12 ++++---- drivers/block/paride/pg.c | 7 ++-- drivers/block/paride/pt.c | 19 ++++++------ drivers/char/apm-emulation.c | 11 ++++--- drivers/char/applicom.c | 9 +++-- drivers/char/ds1302.c | 15 +++++---- drivers/char/ds1620.c | 8 ++-- drivers/char/dsp56k.c | 27 +++++++++-------- drivers/char/dtlk.c | 8 ++-- drivers/char/generic_nvram.c | 7 ++-- drivers/char/genrtc.c | 13 ++++---- drivers/char/i8k.c | 7 ++-- drivers/char/ip2/ip2main.c | 8 ++-- drivers/char/ipmi/ipmi_devintf.c | 14 ++++---- drivers/char/ipmi/ipmi_watchdog.c | 8 ++-- drivers/char/lp.c | 15 +++++---- drivers/char/mbcs.c | 8 ++-- drivers/char/mmtimer.c | 7 ++-- drivers/char/mwave/mwavedd.c | 44 ++++++++++++++-------------- drivers/char/nvram.c | 11 ++++--- drivers/char/nwflash.c | 12 ++++---- drivers/char/pcmcia/cm4000_cs.c | 11 ++++--- drivers/char/pcmcia/cm4040_cs.c | 7 ++-- drivers/char/ppdev.c | 8 ++-- drivers/char/rio/rio_linux.c | 7 ++-- drivers/char/snsc.c | 9 +++-- drivers/char/toshiba.c | 9 +++-- drivers/char/viotape.c | 11 ++++--- drivers/char/xilinx_hwicap/xilinx_hwicap.c | 6 ++-- drivers/hwmon/fschmd.c | 6 ++-- drivers/hwmon/w83793.c | 6 ++-- drivers/input/misc/hp_sdc_rtc.c | 7 ++-- drivers/isdn/capi/capi.c | 6 ++-- drivers/isdn/divert/divert_procfs.c | 7 ++-- drivers/isdn/hardware/eicon/divamnt.c | 7 ++-- drivers/isdn/hardware/eicon/divasi.c | 2 - drivers/isdn/hardware/eicon/divasmain.c | 2 - drivers/isdn/hysdn/hysdn_procconf.c | 21 +++++++------ drivers/isdn/hysdn/hysdn_proclog.c | 15 +++++---- drivers/isdn/i4l/isdn_common.c | 27 +++++++++-------- drivers/isdn/mISDN/timerdev.c | 7 ++-- drivers/macintosh/adb.c | 10 +++--- drivers/macintosh/smu.c | 6 ++-- drivers/macintosh/via-pmu.c | 11 ++++--- drivers/media/dvb/bt8xx/dst_ca.c | 7 ++-- drivers/media/video/cx88/cx88-blackbird.c | 13 ++++---- drivers/media/video/dabusb.c | 18 ++++++------ drivers/media/video/se401.c | 9 +++-- drivers/media/video/stradis.c | 9 +++-- drivers/media/video/usbvideo/vicam.c | 14 ++++---- drivers/message/fusion/mptctl.c | 15 +++++---- drivers/message/i2o/i2o_config.c | 23 +++++++------- drivers/misc/phantom.c | 11 ++++--- drivers/mtd/mtdchar.c | 15 +++++---- drivers/net/ppp_generic.c | 19 ++++++------ drivers/net/wan/cosa.c | 10 +++--- drivers/pci/hotplug/cpqphp_sysfs.c | 13 ++++---- drivers/rtc/rtc-m41t80.c | 13 ++++---- drivers/sbus/char/display7seg.c | 8 ++-- drivers/sbus/char/envctrl.c | 2 - drivers/sbus/char/flash.c | 15 +++++---- drivers/sbus/char/openprom.c | 15 +++++---- drivers/sbus/char/uctrl.c | 7 ++-- drivers/scsi/3w-9xxx.c | 7 ++-- drivers/scsi/3w-sas.c | 7 ++-- drivers/scsi/3w-xxxx.c | 9 ++--- drivers/scsi/aacraid/linit.c | 15 +++++---- drivers/scsi/ch.c | 8 ++-- drivers/scsi/dpt_i2o.c | 18 ++++++------ drivers/scsi/gdth.c | 11 ++++--- drivers/scsi/megaraid.c | 8 ++-- drivers/scsi/megaraid/megaraid_mm.c | 8 ++-- drivers/scsi/megaraid/megaraid_sas.c | 2 - drivers/scsi/mpt2sas/mpt2sas_ctl.c | 11 ++++--- drivers/scsi/osst.c | 15 +++++---- drivers/scsi/scsi_tgt_if.c | 2 - drivers/scsi/sg.c | 11 ++++--- drivers/staging/crystalhd/crystalhd_lnx.c | 9 +++-- drivers/staging/dt3155/dt3155_drv.c | 6 ++- drivers/staging/vme/devices/vme_user.c | 7 ++-- drivers/telephony/ixj.c | 7 ++-- drivers/usb/gadget/printer.c | 7 ++-- drivers/usb/misc/iowarrior.c | 15 +++++---- drivers/usb/misc/rio500.c | 15 +++++---- drivers/usb/misc/usblcd.c | 16 +++++----- drivers/watchdog/cpwd.c | 15 +++++---- fs/hfsplus/ioctl.c | 11 ++++--- net/wanrouter/wanmain.c | 7 ++-- net/wanrouter/wanproc.c | 7 ++-- 92 files changed, 505 insertions(+), 469 deletions(-) Cc: Benjamin Herrenschmidt Cc: Corey Minyard Cc: "David S. Miller" Cc: David Woodhouse Cc: Greg Kroah-Hartman Cc: "James E.J. Bottomley" Cc: Jesper Nilsson Cc: Karsten Keil Cc: Mauro Carvalho Chehab Cc: netdev@vger.kernel.org Cc: openipmi-developer@lists.sourceforge.net Cc: devel@driverdev.osuosl.org Cc: linux-cris-kernel@axis.com Cc: linux-media@vger.kernel.org Cc: linux-mtd@lists.infradead.org Cc: linuxppc-dev@ozlabs.org Cc: linux-scsi@vger.kernel.org Cc: linux-usb@vger.kernel.org -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/