Rusty Russell 7b21e34fd1 virtio: harsher barriers for rpmsg. ... We were cheating with our barriers; using the smp ones rather than the real device ones. That was fine, until rpmsg came along, which is used to talk to a real device (a non-SMP CPU). Unfortunately, just putting back the real barriers (reverting d57ed95d) causes a performance regression on virtio-pci. In particular, Amos reports netbench's TCP_RR over virtio_net CPU utilization increased up to 35% while throughput went down by up to 14%. By comparison, this branch is in the noise. Reference: https://lkml.org/lkml/2011/12/11/22 Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>		2012-01-12 15:44:42 +10:30
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accessibility
acpi	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu	2012-01-10 11:08:21 -08:00
amba	Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm	2012-01-08 13:10:57 -08:00
ata	Merge branch 'upstream-linus' of git://github.com/jgarzik/libata-dev	2012-01-10 10:19:17 -08:00
atm
auxdisplay
base	Merge branch 'dma-buf-merge' of git://people.freedesktop.org/~airlied/linux	2012-01-08 14:05:09 -08:00
bcma
block	Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze	2012-01-10 17:37:49 -08:00
bluetooth	Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm	2012-01-08 13:10:57 -08:00
cdrom
char	Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux	2012-01-10 11:04:36 -08:00
clk
clocksource
connector
cpufreq
cpuidle
crypto
dca
devfreq
dio
dma	clock management changes for i.MX	2012-01-09 14:44:15 -08:00
edac	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-01-08 13:21:22 -08:00
eisa
firewire
firmware	Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2012-01-08 12:19:57 -08:00
gpio	Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl	2012-01-10 10:19:57 -08:00
gpu	Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux	2012-01-10 11:04:36 -08:00
hid	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2012-01-10 10:48:28 -08:00
hv	Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb	2012-01-09 12:09:47 -08:00
hwmon	Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging	2012-01-08 13:39:24 -08:00
hwspinlock
i2c	Merge branch 'unicore32' of git://github.com/gxt/linux	2012-01-10 17:37:20 -08:00
ide
idle
ieee802154
infiniband	infiniband changes for 3.3 merge window	2012-01-08 14:05:48 -08:00
input	Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze	2012-01-10 17:37:49 -08:00
iommu	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu	2012-01-10 11:08:21 -08:00
isdn	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2012-01-08 13:21:22 -08:00
leds	leds: convert wm8350 driver to devm_kzalloc()	2012-01-10 16:30:49 -08:00
lguest	virtio: harsher barriers for rpmsg.	2012-01-12 15:44:42 +10:30
macintosh
mca
md	md update for 3.3	2012-01-08 13:28:33 -08:00
media	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu	2012-01-10 11:08:21 -08:00
memstick
message	SCSI updates for post 3.2 merge window	2012-01-10 10:36:08 -08:00
mfd	Driver specific changes	2012-01-09 14:39:22 -08:00
misc	Merge branch 'char-misc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc	2012-01-09 12:08:59 -08:00
mmc	clock management changes for i.MX	2012-01-09 14:44:15 -08:00
mtd	Merge branch 'linux-next' of git://git.infradead.org/ubifs-2.6	2012-01-10 14:57:19 -08:00
net	Merge branch 'stable/for-linus-3.3' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen	2012-01-10 10:09:59 -08:00
nfc
nubus
of	of: add include asm/setup.h in drivers/of/fdt.c	2012-01-10 10:29:41 +08:00
oprofile
parisc
parport	Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty	2012-01-09 12:09:24 -08:00
pci	Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu	2012-01-10 11:08:21 -08:00
pcmcia
pinctrl
platform	Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm	2012-01-08 13:10:57 -08:00
pnp
power
pps
ps3
ptp
rapidio
regulator
rtc	Merge branch 'unicore32' of git://github.com/gxt/linux	2012-01-10 17:37:20 -08:00
s390	virtio: harsher barriers for rpmsg.	2012-01-12 15:44:42 +10:30
sbus
scsi	SCSI updates for post 3.2 merge window	2012-01-10 10:36:08 -08:00
sfi
sh	Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm	2012-01-08 13:10:57 -08:00
sn
spi	Cleanups for the Samsung platforms	2012-01-09 14:30:28 -08:00
ssb
staging	Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux	2012-01-10 11:04:36 -08:00
target
tc
telephony
thermal
tty	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next	2012-01-09 14:47:06 -08:00
uio
usb	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid	2012-01-10 10:48:28 -08:00
uwb	Merge branch 'usb-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb	2012-01-09 12:09:47 -08:00
vhost
video	Merge branch 'akpm' (aka "Andrew's patch-bomb")	2012-01-10 16:42:48 -08:00
virt
virtio	virtio: harsher barriers for rpmsg.	2012-01-12 15:44:42 +10:30
vlynq
w1
watchdog	Merge git://www.linux-watchdog.org/linux-watchdog	2012-01-10 10:29:23 -08:00
xen	Merge branch 'drm-core-next' of git://people.freedesktop.org/~airlied/linux	2012-01-10 11:04:36 -08:00
zorro
Kconfig
Makefile