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21bc42ab85
linux/drivers
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Len Brown 21bc42ab85 ACPI: thermal: use round_jiffies when thermal zone polling is enabled 
Properly functioning systems do not use thermal zone polling,
they use event-based notification.

However, some users enable periodic thermal zone polling
to work around bugs on their platforms, and at least one
platform exists with a real _TZP that requests polling.

While thermal zone polling (_TZP) is specified in units to 0.1 seconds,
it actually has a maximum granularity of 1 second.  Thus, we can safely
round up the _TZP timeout to occur on the next 1-second boundary.
This will batch it with other 1-second-granularity timers in the
system and thus potentially extend processor idle duration.

Note that the same timer is used both for _TZP
and for passive processor thermal throttling.
We can not round up the timeout when it is used
for passive thermal throttling.

Also, we can not make this a deferrable timer,
as temperature is just as relevant during idle
as it is during non-idle.

Signed-off-by: Len Brown <len.brown@intel.com>
2007-09-04 12:49:22 -04:00
..
acorn/char Remove the arm26 port 2007-07-31 15:39:39 -07:00
acpi ACPI: thermal: use round_jiffies when thermal zone polling is enabled 2007-09-04 12:49:22 -04:00
amba
ata [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
atm Add some help texts to recently-introduced kconfig items 2007-08-18 09:52:50 -07:00
auxdisplay cfag12864b fix 2007-08-22 19:52:46 -07:00
base CPU online file permission 2007-07-31 15:39:39 -07:00
block [SUNVDC]: Use slice 0xff on VD_DISK_TYPE_DISK. 2007-08-26 18:49:07 -07:00
bluetooth
cdrom [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
char Do not use the ia64 clocksource on non-ia64 architectures 2007-08-31 20:14:22 -07:00
clocksource x86_64: fix typo in acpi_pm.c 2007-07-21 18:37:12 -07:00
connector Use menuconfig objects: connector 2007-07-16 09:05:40 -07:00
cpufreq [CPUFREQ] Restore previously used governor on a hot-replugged CPU 2007-07-13 01:29:51 -04:00
crypto Add some help texts to recently-introduced kconfig items 2007-08-18 09:52:50 -07:00
dio
dma [IOAT]: ioatdma needs to to play nice in a multi-dma-client world 2007-08-26 18:35:40 -07:00
edac drivers/edac: fix pasemi kconfig depends 2007-07-26 11:35:18 -07:00
eisa
fc4
firewire firewire: Add ref-counting for sbp2 orbs (fix command abortion) 2007-08-25 18:00:27 +02:00
firmware edd: switch to pci_get based API 2007-07-16 09:05:42 -07:00
hid Add some help texts to recently-introduced kconfig items 2007-08-18 09:52:50 -07:00
hwmon hwmon: (smsc47m1) restore missing name attribute 2007-08-12 14:39:44 -04:00
i2c i2c-piix4: Fix SB700 PCI device ID 2007-08-31 01:42:23 -07:00
ide ide-disk: workaround for buggy HPA support on ST340823A (take 3) 2007-08-20 22:42:57 +02:00
ieee1394 ieee1394: sbp2: fix sbp2_remove_device for error cases 2007-08-25 18:00:26 +02:00
infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2007-08-31 20:40:37 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2007-08-30 21:55:22 -07:00
isdn [ISDN]: Get rid of some pointless allocation casts in common and bsd comp. 2007-08-26 18:35:46 -07:00
kvm KVM: Avoid calling smp_call_function_single() with interrupts disabled 2007-08-19 10:13:49 -07:00
leds leds: Convert from struct class_device to struct device 2007-07-16 01:15:51 +01:00
lguest Fix lguest page-pinning logic ("lguest: bad stack page 0xc057a000") 2007-08-30 09:58:22 -07:00
macintosh [POWERPC] Fix undefined reference to device_power_up/resume 2007-08-25 16:58:27 +10:00
mca
md dm-mpath-rdac: don't stomp on a requests transfer bit 2007-08-27 16:15:44 -07:00
media Merge branch 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb 2007-08-23 21:38:54 -07:00
message Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2007-08-06 17:48:34 -07:00
mfd some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
misc Pull events into release branch 2007-08-25 01:44:01 -04:00
mmc sdhci: tell which spurious interrupt we got 2007-08-23 06:31:07 +02:00
mtd [ARM] 4554/1: replace consistent_sync() with flush_ioremap_region() 2007-08-23 12:31:31 +01:00
net Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 2007-08-31 20:03:15 -07:00
nubus some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
of Create drivers/of/platform.c 2007-07-20 14:25:51 +10:00
oprofile [CELL] oprofile: add support to OProfile for profiling CELL BE SPUs 2007-07-20 21:42:24 +02:00
parisc serial: add early_serial_setup() back to header file 2007-07-18 08:38:22 -07:00
parport parport_pc locking fix 2007-07-31 15:39:37 -07:00
pci Pull events into release branch 2007-08-25 01:44:01 -04:00
pcmcia pcmcia: give socket time to power down 2007-07-31 15:39:38 -07:00
pnp PNP: remove null pointer checks 2007-08-24 01:27:24 -04:00
power Don't compile the PMU power driver on 64-bit PowerPC 2007-07-23 12:42:45 +01:00
ps3
rapidio some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
rtc [PATCH] rtc: Make rtc-rs5c348 driver hotplug-aware 2007-08-27 02:16:58 +01:00
s390 qeth: Drop ARP packages on HiperSockets interface with NOARP attribute. 2007-08-31 06:52:58 -04:00
sbus Videopix Frame Grabber: Fix unreleased lock in vfc_debug() 2007-07-31 15:39:43 -07:00
scsi Introduce CONFIG_CHECK_SIGNATURE 2007-08-22 19:52:45 -07:00
serial Fix modpost warning in serial driver 2007-08-31 01:42:23 -07:00
sh some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
sn some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
spi Fix typo in atmel_spi.c 2007-08-31 01:42:23 -07:00
tc zs: move to the serial subsystem 2007-07-18 08:38:22 -07:00
telephony some kmalloc/memset ->kzalloc (tree wide) 2007-07-19 10:04:50 -07:00
uio UIO: Hilscher CIF card driver 2007-07-18 15:57:16 -07:00
usb usb: add PRODUCT, TYPE to usb-interface events 2007-08-22 14:28:02 -07:00
video Fix font dependency for SGI Newport console driver 2007-08-31 01:42:22 -07:00
w1 w1: fix w1_remove_master_device() searching 2007-08-22 19:52:46 -07:00
xen xenbus_xs.c: fix a use-after-free 2007-07-26 11:35:17 -07:00
zorro zorro: Make sysfs config attribute read-only 2007-08-22 19:52:45 -07:00
Kconfig Begin to consolidate of_device.c 2007-07-20 13:39:59 +10:00
Makefile [WATCHDOG] Fix pcwd_init_module crash 2007-07-29 18:58:39 +00:00