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linux/drivers/tty
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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
..
hvc 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
ipwireless tty: Fix low_latency BUG 2014-02-28 16:31:00 -08:00
serial 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
vt console: Remove superfluous readonly check 2014-05-28 13:37:21 -07:00
amiserial.c tty/amiserial: avoid interruptible_sleep_on 2014-01-07 17:05:21 -08:00
bfin_jtag_comm.c TTY: bfin_jtag_comm: fix incorrect placement of __initdata tag 2013-09-30 19:09:37 -07:00
cyclades.c tty: an overflow of multiplication in drivers/tty/cyclades.c 2013-12-20 12:21:57 -08:00
ehv_bytechan.c drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
goldfish.c goldfish: clean up the checkpatch warnings 2014-05-15 13:20:42 -07:00
isicom.c
Kconfig drivers/tty: ehv_bytechan fails to build as a module 2014-01-09 17:52:12 -06:00
Makefile tty: Add timed, writer-prioritized rw semaphore 2013-05-20 12:30:32 -07:00
metag_da.c tree-wide: use reinit_completion instead of INIT_COMPLETION 2013-11-15 09:32:21 +09:00
moxa.c
moxa.h
mxser.c tty: mxser: Fix build warning introduced by dfc7b837c7 (Re: linux-next: build warning after merge of the tty.current tree) 2013-05-22 10:26:02 -07:00
mxser.h
n_gsm.c tty: n_gsm: Fix for modems with brk in modem status control 2014-02-07 08:40:54 -08:00
n_hdlc.c drivers/tty/n_hdlc.c: replace kmalloc/memset by kzalloc 2014-05-28 13:33:18 -07:00
n_r3964.c tty: Always handle NULL flag ptr 2013-12-08 16:56:05 -08:00
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next 2014-06-03 12:57:53 -07:00
nozomi.c tty: Remove unnecessary semicolons 2013-10-16 13:08:16 -07:00
pty.c tty: Fix lock order in tty_do_resize() 2013-07-24 15:12:53 -07:00
rocket.c tty: remove DEFINE_PCI_DEVICE_TABLE macro 2013-12-08 17:09:07 -08:00
rocket.h
rocket_int.h
synclink.c synclink: fix info leak in ioctl 2014-03-17 16:13:23 -07:00
synclink_gt.c tty: synclink: avoid sleep_on race 2014-01-07 17:05:21 -08:00
synclinkmp.c synclink: fix info leak in ioctl 2014-03-17 16:13:23 -07:00
sysrq.c sysrq,rcu: suppress RCU stall warnings while sysrq runs 2014-06-06 16:08:17 -07:00
tty_audit.c audit: anchor all pid references in the initial pid namespace 2014-03-20 10:11:55 -04:00
tty_buffer.c tty: Fix lockless tty buffer race 2014-05-03 18:14:28 -04:00
tty_io.c tty: fix memleak in alloc_pid 2014-04-16 14:31:13 -07:00
tty_ioctl.c tty: Fix SIGTTOU not sent with tcflush() 2013-09-25 17:52:17 -07:00
tty_ldisc.c tty: delete non-required instances of include <linux/init.h> 2014-01-07 17:05:21 -08:00
tty_ldsem.c lockdep: Make held_lock->check and "int check" argument bool 2014-02-09 21:18:54 +01:00
tty_mutex.c
tty_port.c tty: delete non-required instances of include <linux/init.h> 2014-01-07 17:05:21 -08:00