Pali Rohár 3bb6a5196d hwmon: (dell-smm) Cache fan_type() calls and change fan detection ... commit 5ce91714b0 upstream. On more Dell machines (e.g. Dell Precision M3800) fan_type() call is too expensive (CPU is too long in SMM mode) and cause kernel to hang. This is bug in Dell SMM or BIOS. This patch caches type for each fan (as it should not change) and changes the way how fan presense is detected. First it try function fan_status() as was before commit f989e55452 ("i8k: Add support for fan labels"). And if that fails fallback to fan_type(). *_status() functions can fail in case fan is not currently accessible (e.g. present on GPU which is currently turned off). Reported-by: Tolga Cakir <cevelnet@gmail.com> Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Link: https://bugzilla.kernel.org/show_bug.cgi?id=112021 Tested-by: Tolga Cakir <cevelnet@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2016-07-27 09:47:37 -07:00
..
accessibility
acpi	ACPI / osi: Fix an issue that acpi_osi=!* cannot disable ACPICA internal strings	2016-06-01 12:15:50 -07:00
amba
android	drivers: android: correct the size of struct binder_uintptr_t for BC_DEAD_BINDER_DONE	2016-03-03 15:07:10 -08:00
ata	ata: ahci-platform: Add ports-implemented DT bindings.	2016-05-11 11:21:21 +02:00
atm
auxdisplay
base	base: make module_create_drivers_dir race-free	2016-07-27 09:47:32 -07:00
bcma
block	nbd: ratelimit error msgs after socket close	2016-05-11 11:21:10 +02:00
bluetooth	Bluetooth: vhci: Fix race at creating hci device	2016-06-01 12:15:50 -07:00
bus	bus: imx-weim: Take the 'status' property value into account	2016-05-04 14:48:54 -07:00
cdrom
char	ipmi: Remove smi_msg from waiting_rcv_msgs list before handle_one_recv_msg()	2016-07-27 09:47:32 -07:00
clk	clk: bcm2835: divider value has to be 1 or more	2016-06-07 18:14:35 -07:00
clocksource	clockevents/tcb_clksrc: Prevent disabling an already disabled clock	2016-03-03 15:07:15 -08:00
connector	connector: bump skb->users before callback invocation	2016-01-04 21:46:45 -05:00
cpufreq	cpufreq: intel_pstate: Fix processing for turbo activation ratio	2016-05-04 14:48:44 -07:00
cpuidle	cpuidle: Fix cpuidle_state_is_coupled() argument in cpuidle_enter()	2016-06-07 18:14:34 -07:00
crypto	crypto: ux500 - memmove the right size	2016-07-11 09:31:12 -07:00
dca
devfreq
dio
dma	dmaengine: pxa_dma: fix the maximum requestor line	2016-05-04 14:48:42 -07:00
dma-buf
edac	EDAC, sb_edac: Fix rank lookup on Broadwell	2016-07-27 09:47:27 -07:00
eisa
extcon	extcon: max77843: Use correct size for reading the interrupt register	2016-05-04 14:48:54 -07:00
firewire
firmware	efi: Expose non-blocking set_variable() wrapper to efivars	2016-05-04 14:48:49 -07:00
fmc
fpga	fpga manager: Fix firmware resource leak on error	2015-11-24 15:25:46 -08:00
gpio	Revert "gpiolib: Split GPIO flags parsing and GPIO configuration"	2016-07-27 09:47:29 -07:00
gpu	drm/vmwgfx: Fix error paths when mapping framebuffer	2016-07-27 09:47:35 -07:00
hid	HID: multitouch: enable palm rejection for Windows Precision Touchpad	2016-07-27 09:47:32 -07:00
hsi
hv	Drivers: hv: vmbus: Fix a Host signaling bug	2016-03-03 15:07:16 -08:00
hwmon	hwmon: (dell-smm) Cache fan_type() calls and change fan detection	2016-07-27 09:47:37 -07:00
hwspinlock	drivers/hwspinlock: fix race between radix tree insertion and lookup	2016-02-25 12:01:23 -08:00
hwtracing	stm class: Select CONFIG_SRCU	2016-05-04 14:48:54 -07:00
i2c	i2c: exynos5: Fix possible ABBA deadlock by keeping I2C clock prepared	2016-05-04 14:48:47 -07:00
ide
idle	intel_idle: prevent SKL-H boot failure when C8+C9+C10 enabled	2016-04-12 09:09:05 -07:00
iio	iio:ad7266: Fix probe deferral for vref	2016-07-27 09:47:37 -07:00
infiniband	IB/mlx4: Properly initialize GRH TClass and FlowLabel in AHs	2016-07-27 09:47:27 -07:00
input	Input: uinput - handle compat ioctl for UI_SET_PHYS	2016-06-07 18:14:32 -07:00
iommu	iommu/amd: Fix unity mapping initialization race	2016-07-27 09:47:32 -07:00
ipack
irqchip	irqchip/gic-v3: Configure all interrupts as non-secure Group-1	2016-06-01 12:15:49 -07:00
isdn	ser_gigaset: remove unnecessary kfree() calls from release method	2015-12-15 13:24:21 -05:00
leds
lguest
lightnvm	lightnvm: wrong offset in bad blk lun calculation	2015-12-29 08:28:32 -07:00
macintosh
mailbox
mcb	mcb: Fixed bar number assignment for the gdd	2016-06-01 12:15:53 -07:00
md	MD: make bio mergeable	2016-05-11 11:21:13 +02:00
media	uvc: Forward compat ioctls to their handlers directly	2016-07-27 09:47:29 -07:00
memory	memory: omap-gpmc: Fix omap gpmc EXTRADELAY timing	2016-07-27 09:47:35 -07:00
memstick
message
mfd	mfd: intel_soc_pmic_core: Terminate panel control GPIO lookup table correctly	2016-06-07 18:14:34 -07:00
misc	mei: bus: call mei_cl_read_start under device lock	2016-06-01 12:15:50 -07:00
mmc	mmc: sdhci-pci: Remove MMC_CAP_BUS_WIDTH_TEST for Intel controllers	2016-06-01 12:15:50 -07:00
mtd	ubi: Make recover_peb power cut aware	2016-07-27 09:47:33 -07:00
net	cdc_ncm: workaround for EM7455 "silent" data interface	2016-07-27 09:47:31 -07:00
nfc
ntb
nubus
nvdimm	libnvdimm, pfn: fix uuid validation	2016-04-20 15:41:54 +09:00
nvme	NVMe: IO ending fixes on surprise removal	2015-12-22 10:12:04 -07:00
nvmem	nvmem: mxs-ocotp: fix buffer overflow in read	2016-05-11 11:21:21 +02:00
of	of: irq: fix of_irq_get[_byname]() kernel-doc	2016-07-27 09:47:29 -07:00
oprofile
parisc	parisc iommu: fix panic due to trying to allocate too large region	2015-12-12 16:07:25 +01:00
parport
pci	PCI: Disable all BAR sizing for devices with non-compliant BARs	2016-06-07 18:14:35 -07:00
pcmcia	pcmcia: db1xxx_ss: fix last irq_to_gpio user	2016-04-20 15:42:09 +09:00
perf
phy	phy: core: fix wrong err handle for phy_power_on	2016-03-03 15:07:28 -08:00
pinctrl	pinctrl: mediatek: fix dual-edge code defect	2016-06-24 10:18:20 -07:00
platform	dell-rbtn: Ignore ACPI notifications if device is suspended	2016-06-01 12:15:50 -07:00
pnp
power
powercap	powercap / RAPL: fix BIOS lock check	2015-12-12 02:31:11 +01:00
pps
ps3
ptp
pwm	pwm: brcmstb: Fix check of devm_ioremap_resource() return code	2016-05-04 14:48:47 -07:00
rapidio
ras
regulator	regulator: axp20x: Fix axp22x ldo_io voltage ranges	2016-05-18 17:06:51 -07:00
remoteproc	remoteproc: fix memory leak of remoteproc ida cache layers	2015-11-26 17:44:28 +02:00
reset
rpmsg
rtc	rtc: max77686: Properly handle regmap_irq_get_virq() error code	2016-05-04 14:48:52 -07:00
s390	s390/dasd: fix diag 0x250 inline assembly	2016-03-16 08:42:58 -07:00
sbus
scsi	scsi: Add QEMU CD-ROM to VPD Inquiry Blacklist	2016-06-24 10:18:16 -07:00
sfi
sh	drivers: sh: Restore legacy clock domain on SuperH platforms	2016-03-09 15:34:49 -08:00
sn
soc	soc: rockchip: power-domain: fix err handle while probing	2016-05-11 11:21:11 +02:00
spi	spi: spi-ti-qspi: Handle truncated frames properly	2016-05-18 17:06:47 -07:00
spmi
ssb
staging	staging: iio: accel: fix error check	2016-07-27 09:47:36 -07:00
target	target: Fix target_release_cmd_kref shutdown comp leak	2016-04-12 09:09:02 -07:00
tc
thermal	thermal: cpu_cooling: fix improper order during initialization	2016-07-27 09:47:29 -07:00
thunderbolt	thunderbolt: Fix double free of drom buffer	2016-06-01 12:15:53 -07:00
tty	tty/vt/keyboard: fix OOB access in do_compute_shiftstate()	2016-07-27 09:47:37 -07:00
uio
usb	usb: common: otg-fsm: add license to usb-otg-fsm	2016-07-27 09:47:28 -07:00
uwb
vfio	vfio: fix ioctl error handling	2016-03-09 15:34:50 -08:00
vhost	vhost: replace % with & on data path	2015-12-07 17:28:10 +02:00
video	fbdev: da8xx-fb: fix videomodes of lcd panels	2016-05-04 14:48:51 -07:00
virt
virtio	virtio_balloon: fix PFN format for virtio-1	2016-07-27 09:47:34 -07:00
vlynq
vme
w1
watchdog	watchdog: rc32434_wdt: fix ioctl error handling	2016-04-12 09:08:54 -07:00
xen	xen/balloon: Fix declared-but-not-defined warning	2016-07-27 09:47:36 -07:00
zorro
Kconfig
Makefile	null_blk: register as a LightNVM device	2015-11-16 15:22:28 -07:00