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Christian Borntraeger e56a7a28e2 KVM: Use virtual cpu accounting if available for guest times. 
ppc and s390 offer the possibility to track process times precisely
by looking at cpu timer on every context switch, irq, softirq etc.
We can use that infrastructure as well for guest time accounting.
We need to account the used time before we change the state.
This patch adds a call to account_system_vtime to kvm_guest_enter
and kvm_guest exit. If CONFIG_VIRT_CPU_ACCOUNTING is not set,
account_system_vtime is defined in hardirq.h as an empty function,
which means this patch does not change the behaviour on other
platforms.

I compile tested this patch on x86 and function tested the patch on
s390.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
2008-01-30 17:52:54 +02:00
..
acorn/char
acpi x86: don't disable TSC in any C states on AMD Fam10h 2008-01-30 13:32:41 +01:00
amba
ata libata: Change "write_data" to "rw" for some function documentations 2008-01-29 08:48:17 +11:00
atm [ATM]: [he] fixing compilation when you define USE_RBPS_POOL/USE_RBPL_POOL 2008-01-28 15:00:15 -08:00
auxdisplay
base convert drivers/base/power/Makefile to ccflags 2008-01-28 23:14:35 +01:00
block cciss: fix bug in overriding ->data_len before completion 2008-01-29 21:55:18 +01:00
bluetooth
cdrom Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2008-01-29 08:52:50 +11:00
char x86: remove flush_agp_mappings() 2008-01-30 13:34:07 +01:00
clocksource
connector [NETNS]: Consolidate kernel netlink socket destruction. 2008-01-28 15:08:07 -08:00
cpufreq cpufreq: fix obvious condition statement error 2008-01-30 13:33:34 +01:00
cpuidle Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
crypto [S390] crypto: move s390 Kconfig options. 2008-01-26 14:11:17 +01:00
dca
dio
dma DMA: Convert from class_device to device for DMA engine 2008-01-24 20:40:05 -08:00
edac Driver core: change sysdev classes to use dynamic kobject names 2008-01-24 20:40:40 -08:00
eisa
firewire [SCSI] relax scsi dma alignment 2008-01-11 18:29:22 -06:00
firmware x86: left over fix for leak of early_ioremp in dmi_scan 2008-01-30 13:33:32 +01:00
hid HID: ADS/Tech Radio si470x needs blacklist entry 2008-01-28 14:51:23 +01:00
hwmon hwmon: (it87) request only Environment Controller ports 2008-01-22 07:21:38 -05:00
i2c Merge branch 'orion' into devel 2008-01-28 13:21:30 +00:00
ide blk_end_request: changing ide-cd (take 4) 2008-01-28 10:37:06 +01:00
ieee1394 x86: early boot debugging via FireWire (ohci1394_dma=early) 2008-01-30 13:34:11 +01:00
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25 2008-01-29 22:54:01 +11:00
input x86: replace outb_p() with udelay(2) in drivers/input/mouse/pc110pad.c 2008-01-30 13:31:24 +01:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6 2008-01-25 08:35:13 -08:00
kvm KVM: Use virtual cpu accounting if available for guest times. 2008-01-30 17:52:54 +02:00
leds
lguest x86: use generic register name in the thread and tss structures 2008-01-30 13:31:02 +01:00
macintosh i2c: Kill rogue driver IDs 2008-01-27 18:14:47 +01:00
mca
md Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
media i2c: Drivers stop using the redundant client list 2008-01-27 18:14:51 +01:00
message blk_end_request: changing i2o_block (take 4) 2008-01-28 10:36:50 +01:00
mfd [ARM] Fix class_device damage caused by 0c55445f20 2008-01-28 10:59:09 +00:00
misc kobject: convert ibmasm to use kref, not kobject 2008-01-24 20:40:08 -08:00
mmc Merge branch 'blk-end-request' of git://git.kernel.dk/linux-2.6-block 2008-01-29 08:51:32 +11:00
mtd mtd: Convert from class_device to device for MTD/mtdchar 2008-01-24 20:40:06 -08:00
net [net] Gracefully handle shared e1000/1000e driver PCI ID's 2008-01-31 00:30:15 +11:00
nubus
of
oprofile
parisc [PARISC]: Fix build after ipv4_is_*() changes. 2008-01-28 14:58:20 -08:00
parport
pci Kobject: convert drivers/* from kobject_unregister() to kobject_put() 2008-01-24 20:40:40 -08:00
pcmcia [ARM] pxa: move memory controller registers into pxa2xx-regs.h 2008-01-26 15:07:54 +00:00
pnp git-x86: drivers/pnp/pnpbios/bioscalls.c build fix 2008-01-30 13:32:31 +01:00
power power supply : use class iteration api 2008-01-24 20:40:44 -08:00
ps3
rapidio remove __attribute_used__ 2008-01-28 23:21:18 +01:00
rtc Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2008-01-29 08:52:50 +11:00
s390 [VLAN]: Turn VLAN_DEV_INFO into inline function 2008-01-28 15:08:32 -08:00
sbus
scsi [NETNS]: Consolidate kernel netlink socket destruction. 2008-01-28 15:08:07 -08:00
serial Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2008-01-29 08:52:50 +11:00
sh
sn
spi [ARM] pxa: make pxa2xx_spi driver use ssp_request()/ssp_free() 2008-01-26 15:07:52 +00:00
ssb ssb: Add boardflags_hi field to the sprom data structure 2008-01-28 15:09:52 -08:00
tc
telephony
uio UIO: constify function pointer tables 2008-01-24 20:40:43 -08:00
usb Merge branch 'pxa-plat' into devel 2008-01-28 13:21:38 +00:00
video x86: cpa: move flush to cpa 2008-01-30 13:34:07 +01:00
virtio
w1 i2c: normal_i2c can be made const (remaining drivers) 2008-01-27 18:14:47 +01:00
watchdog [WATCHDOG] constify function pointer tables 2008-01-25 20:41:30 +00:00
xen
zorro
Kconfig
Makefile x86: early boot debugging via FireWire (ohci1394_dma=early) 2008-01-30 13:34:11 +01:00