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Message-Id: <201003251438.59062.arnd@arndb.de> Date: Thu, 25 Mar 2010 14:38:58 +0100 From: Arnd Bergmann <arnd@...db.de> To: Jiri Kosina <jkosina@...e.cz> Cc: Frederic Weisbecker <fweisbec@...il.com>, linux-kernel@...r.kernel.org, Matthew Wilcox <matthew@....cx>, Thomas Gleixner <tglx@...utronix.de>, jblunck@...e.de, Alan Cox <alan@...ux.intel.com>, Ingo Molnar <mingo@...e.hu>, John Kacur <jkacur@...hat.com> Subject: Re: [GIT, RFC] Killing the Big Kernel Lock On Thursday 25 March 2010, Arnd Bergmann wrote: > On Thursday 25 March 2010, Jiri Kosina wrote: > > config USB > > tristate "Support for Host-side USB" > > depends on USB_ARCH_HAS_HCD && BKL > > > > Well, that's very interesting definition of "obscure" :) > > > > That's why I said /mostly/ obscure modules. There are soundcore, usb-core, drm, > vfat and a few other very common ones, along with many obscure ones. FWIW, this is the full list of 148 modules that require the BKL in an x86 allmodconfig, which is probably the configuration with the largest code coverage. Arnd sound/soundcore.ko sound/soc/snd-soc-core.ko sound/oss/sound.ko sound/oss/msnd_pinnacle.ko sound/oss/msnd_classic.ko sound/core/snd.ko sound/core/snd-pcm.ko sound/core/seq/snd-seq.ko sound/core/oss/snd-pcm-oss.ko net/x25/x25.ko net/wanrouter/wanrouter.ko net/sunrpc/sunrpc.ko net/irda/irnet/irnet.ko net/irda/irda.ko net/ipx/ipx.ko net/appletalk/appletalk.ko fs/ufs/ufs.ko fs/udf/udf.ko fs/squashfs/squashfs.ko fs/smbfs/smbfs.ko fs/reiserfs/reiserfs.ko fs/qnx4/qnx4.ko fs/ocfs2/ocfs2_stack_user.ko fs/ocfs2/ocfs2.ko fs/nfsd/nfsd.ko fs/nfs/nfs.ko fs/ncpfs/ncpfs.ko fs/lockd/lockd.ko fs/jffs2/jffs2.ko fs/isofs/isofs.ko fs/hpfs/hpfs.ko fs/hfsplus/hfsplus.ko fs/freevxfs/freevxfs.ko fs/fat/vfat.ko fs/fat/msdos.ko fs/fat/fat.ko fs/ecryptfs/ecryptfs.ko fs/coda/coda.ko fs/autofs4/autofs4.ko fs/autofs/autofs.ko fs/afs/kafs.ko fs/adfs/adfs.ko drivers/usb/misc/usblcd.ko drivers/usb/misc/sisusbvga/sisusbvga.ko drivers/usb/misc/rio500.ko drivers/usb/misc/iowarrior.ko drivers/usb/misc/idmouse.ko drivers/usb/host/uhci-hcd.ko drivers/usb/gadget/gadgetfs.ko drivers/usb/gadget/g_printer.ko drivers/usb/core/usbcore.ko drivers/usb/class/usblp.ko drivers/telephony/ixj.ko drivers/scsi/st.ko drivers/scsi/scsi_tgt.ko drivers/scsi/pmcraid.ko drivers/scsi/osst.ko drivers/scsi/osd/osd.ko drivers/scsi/mpt2sas/mpt2sas.ko drivers/scsi/megaraid/megaraid_sas.ko drivers/scsi/megaraid/megaraid_mm.ko drivers/scsi/megaraid.ko drivers/scsi/gdth.ko drivers/scsi/dpt_i2o.ko drivers/scsi/ch.ko drivers/scsi/aacraid/aacraid.ko drivers/scsi/3w-xxxx.ko drivers/scsi/3w-sas.ko drivers/scsi/3w-9xxx.ko drivers/rtc/rtc-m41t80.ko drivers/pci/hotplug/cpqphp.ko drivers/net/wireless/ray_cs.ko drivers/net/wireless/airo.ko drivers/net/wan/cosa.ko drivers/net/ppp_generic.ko drivers/mtd/ubi/ubi.ko drivers/mtd/mtdchar.ko drivers/misc/phantom.ko drivers/message/i2o/i2o_config.ko drivers/message/fusion/mptctl.ko drivers/media/video/zoran/zr36067.ko drivers/media/video/videodev.ko drivers/media/video/usbvision/usbvision.ko drivers/media/video/usbvideo/vicam.ko drivers/media/video/tlg2300/poseidon.ko drivers/media/video/stv680.ko drivers/media/video/stradis.ko drivers/media/video/stkwebcam.ko drivers/media/video/se401.ko drivers/media/video/s2255drv.ko drivers/media/video/pwc/pwc.ko drivers/media/video/dabusb.ko drivers/media/video/cx88/cx8800.ko drivers/media/video/cx88/cx88-blackbird.ko drivers/media/video/cx23885/cx23885.ko drivers/media/video/cpia.ko drivers/media/video/bt8xx/bttv.ko drivers/media/radio/si470x/radio-usb-si470x.ko drivers/media/dvb/ttpci/dvb-ttpci.ko drivers/media/dvb/firewire/firedtv.ko drivers/media/dvb/dvb-core/dvb-core.ko drivers/media/dvb/bt8xx/dst_ca.ko drivers/isdn/mISDN/mISDN_core.ko drivers/isdn/i4l/isdn.ko drivers/isdn/hysdn/hysdn.ko drivers/isdn/hardware/eicon/divas.ko drivers/isdn/hardware/eicon/diva_mnt.ko drivers/isdn/hardware/eicon/diva_idi.ko drivers/isdn/divert/dss1_divert.ko drivers/isdn/capi/capifs.ko drivers/isdn/capi/capi.ko drivers/input/serio/serio_raw.ko drivers/input/misc/uinput.ko drivers/infiniband/core/rdma_ucm.ko drivers/infiniband/core/ib_uverbs.ko drivers/infiniband/core/ib_umad.ko drivers/infiniband/core/ib_ucm.ko drivers/ieee1394/video1394.ko drivers/ieee1394/raw1394.ko drivers/ieee1394/dv1394.ko drivers/ide/ide-tape.ko drivers/hwmon/fschmd.ko drivers/hid/usbhid/usbhid.ko drivers/hid/hid.ko drivers/gpu/drm/i830/i830.ko drivers/gpu/drm/i810/i810.ko drivers/gpu/drm/drm.ko drivers/firewire/firewire-core.ko drivers/char/toshiba.ko drivers/char/tlclk.ko drivers/char/stallion.ko drivers/char/raw.ko drivers/char/ppdev.ko drivers/char/pcmcia/cm4040_cs.ko drivers/char/pcmcia/cm4000_cs.ko drivers/char/mwave/mwave.ko drivers/char/lp.ko drivers/char/istallion.ko drivers/char/ipmi/ipmi_watchdog.ko drivers/char/ipmi/ipmi_devintf.ko drivers/char/ip2/ip2.ko drivers/char/i8k.ko drivers/char/dtlk.ko drivers/char/applicom.ko drivers/block/pktcdvd.ko drivers/block/paride/pt.ko drivers/block/paride/pg.ko drivers/block/DAC960.ko -- 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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