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Rik van Riel 722773afd8 sysrq,rcu: suppress RCU stall warnings while sysrq runs 
Some sysrq handlers can run for a long time, because they dump a lot of
data onto a serial console.  Having RCU stall warnings pop up in the
middle of them only makes the problem worse.

This patch temporarily disables RCU stall warnings while a sysrq request
is handled.

Signed-off-by: Rik van Riel <riel@redhat.com>
Suggested-by: Paul McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Madper Xie <cxie@redhat.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2014-06-06 16:08:17 -07:00
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accessibility
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acpi ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
amba
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ata
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atm
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auxdisplay
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base cma: increase CMA_ALIGNMENT upper limit to 12 2014-06-04 16:54:08 -07:00
bcma
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block Merge branch 'akpm' (patchbomb from Andrew) into next 2014-06-04 16:55:13 -07:00
bluetooth
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bus
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cdrom cdrom: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:15 -07:00
char random: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:15 -07:00
clk DeviceTree for 3.16: 2014-06-04 10:02:38 -07:00
clocksource Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-04 15:57:20 -07:00
connector
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cpufreq ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
cpuidle ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
crypto
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dca
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devfreq
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dio
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dma
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edac
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eisa
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extcon
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firewire sound updates for 3.16-rc1 2014-06-04 09:08:25 -07:00
firmware Merge branch 'arm64-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-05 13:15:32 -07:00
fmc
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gpio
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gpu drm/exynos: call find_vma with the mmap_sem held 2014-06-04 16:54:00 -07:00
hid Merge branches 'for-3.16/i2c-hid', 'for-3.16/rmi4', 'for-3.16/sony' and 'for-3.16/thingm' into for-linus 2014-06-04 13:09:43 +02:00
hsi
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hv
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hwmon
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hwspinlock
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i2c
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ide
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idle
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iio
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infiniband
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input
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iommu Merge branch 'akpm' (patchbomb from Andrew) into next 2014-06-04 16:55:13 -07:00
ipack
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irqchip Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-04 15:59:13 -07:00
isdn
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leds Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid into next 2014-06-04 08:52:36 -07:00
lguest
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macintosh
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mailbox
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mcb
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md
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media Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media into next 2014-06-04 14:24:30 -07:00
memory
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memstick
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message
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mfd sound updates for 3.16-rc1 2014-06-04 09:08:25 -07:00
misc Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 15:48:23 -07:00
mmc
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mtd
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net Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-04 15:59:13 -07:00
nfc
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ntb
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nubus kernel/printk: use symbolic defines for console loglevels 2014-06-04 16:54:17 -07:00
of Microblaze patches for 3.16-rc1 2014-06-05 16:15:33 -07:00
oprofile
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parisc
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parport parport: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:15 -07:00
pci Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-04 15:59:13 -07:00
pcmcia
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phy
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pinctrl
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platform ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
pnp
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power ACPI and power management updates for 3.16-rc1 2014-06-04 08:57:16 -07:00
powercap
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pps
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ps3
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ptp
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pwm
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rapidio rapidio/tsi721: use pci_enable_msix_exact() instead of pci_enable_msix() 2014-06-06 16:08:13 -07:00
regulator
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remoteproc
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reset
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rpmsg
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rtc drivers/rtc/rtc-pxa.c: make of_device_id array const 2014-06-06 16:08:09 -07:00
s390 At over 200 commits, covering almost all supported architectures, this 2014-06-04 08:47:12 -07:00
sbus
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scsi scsi: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
sfi
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sh Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-04 15:59:13 -07:00
sn
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soc
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spi
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spmi
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ssb
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staging Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media into next 2014-06-04 14:24:30 -07:00
target
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tc
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thermal
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tty sysrq,rcu: suppress RCU stall warnings while sysrq runs 2014-06-06 16:08:17 -07:00
uio
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usb Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-04 15:59:13 -07:00
uwb
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vfio
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vhost
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video fbdev changes for 3.16 (omap) 2014-06-04 09:07:08 -07:00
virt
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virtio
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vlynq
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vme
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w1
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watchdog
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xen Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-04 15:59:13 -07:00
zorro
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Kconfig
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Makefile
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