Arjan van de Ven 6cd4958609 device model: Do a quickcheck for driver binding before doing an expensive check ... This patch adds a quick check for the driver<->device match before taking the locks and doin gthe expensive checks. Taking the lock hurts in asynchronous boot context where the device lock gets hit; one of the init functions takes the lock and goes to do an expensive hardware init; the other init functions walk the same PCI list and get stuck on the lock as a result. For the common case, we can know there's no chance whatsoever of a match if the device isn't in the drivers ID table... so this patch does that check as a best-effort-avoid-the-lock approach. Bootcharts for before and after can be seen at http://www.fenrus.org/before.svg http://www.fenrus.org/after.svg Note the long time "agp_ali_init" takes in the first graph; my laptop doesn't even have an ALI chip in it! (the bootgraphs look a bit dissimilar, but that's the point, the first one has a bunch of arbitrary delays in it that cause it to look very different) This reduces my kernel boot time by about 20% Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Cc: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>		2008-10-16 09:24:50 -07:00
..
accessibility	braille_console: only register notifiers when the braille console is used	2008-10-02 15:53:13 -07:00
acpi	rtc-cmos: move wake setup from ACPI glue into RTC driver	2008-10-14 16:08:21 -07:00
amba
ata	Merge commit 'origin'	2008-10-15 11:31:54 +11:00
atm	Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6	2008-10-11 12:39:35 -07:00
auxdisplay
base	device model: Do a quickcheck for driver binding before doing an expensive check	2008-10-16 09:24:50 -07:00
block	device create: block: convert device_create_drvdata to device_create	2008-10-16 09:24:41 -07:00
bluetooth	Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6	2008-10-13 14:12:40 -07:00
cdrom	gdrom: change to use __blk_end_request()	2008-10-09 08:56:21 +02:00
char	device create: char: convert device_create_drvdata to device_create	2008-10-16 09:24:42 -07:00
clocksource
connector
cpufreq	[CPUFREQ] Fix BUG: using smp_processor_id() in preemptible code	2008-10-09 13:52:44 -04:00
cpuidle
crypto
dca	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
dio
dma	dw_dmac: fix copy/paste bug in tasklet	2008-10-03 18:22:18 -07:00
edac
eisa
firewire
firmware	drivers/firmware/iscsi_ibft.c: make 3 functions static	2008-10-16 09:24:48 -07:00
gpio
gpu
hid	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
hwmon	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
i2c	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
ide	device create: ide: convert device_create_drvdata to device_create	2008-10-16 09:24:45 -07:00
ieee1394	device create: ieee1394: convert device_create_drvdata to device_create	2008-10-16 09:24:42 -07:00
infiniband	device create: infiniband: convert device_create_drvdata to device_create	2008-10-16 09:24:42 -07:00
input	Merge commit 'origin'	2008-10-15 11:31:54 +11:00
isdn	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
leds	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
lguest
macintosh	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
mca
md	raid, fastboot: hide RAID autodetect option if MD is compiled as a module	2008-10-12 08:25:14 -07:00
media	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
memstick	memstick: change to use __blk_end_request()	2008-10-09 08:56:20 +02:00
message
mfd	mfd: Fix warning in WM8350	2008-10-13 21:51:57 +01:00
misc	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
mmc	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6	2008-10-13 17:13:56 +01:00
mtd	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
net	device create: net: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
nubus
of	Merge commit 'gcl/gcl-next'	2008-10-14 10:11:27 +11:00
oprofile	Merge branch 'linus' into oprofile-v2	2008-10-13 11:05:51 +02:00
parisc
parport	Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6	2008-10-13 14:12:40 -07:00
pci	Merge commit 'origin'	2008-10-15 11:31:54 +11:00
pcmcia	Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6	2008-10-13 14:12:40 -07:00
pnp	Merge commit 'origin'	2008-10-15 11:31:54 +11:00
power	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
ps3
rapidio
regulator	da903x: add regulator support for DA9030/DA9034	2008-10-13 21:51:57 +01:00
rtc	RTC: M48T35: new RTC driver	2008-10-15 12:46:51 +01:00
s390	device create: s390: convert device_create_drvdata to device_create	2008-10-16 09:24:44 -07:00
sbus
scsi	device create: scsi: convert device_create_drvdata to device_create	2008-10-16 09:24:44 -07:00
serial	Merge commit 'origin'	2008-10-15 11:31:54 +11:00
sh
sn
spi	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
ssb	Merge git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6	2008-10-13 14:12:40 -07:00
tc
telephony
thermal
uio	device create: misc: convert device_create_drvdata to device_create	2008-10-16 09:24:43 -07:00
usb	usb gadget: link fixes for network gadget	2008-10-16 09:24:47 -07:00
video	device create: video: convert device_create_drvdata to device_create	2008-10-16 09:24:45 -07:00
virtio
w1
watchdog	Merge git://git.kernel.org/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog	2008-10-12 11:51:32 -07:00
xen	xen: remove unused balloon.h	2008-10-03 10:04:10 +02:00
zorro
Kconfig
Makefile