Peter Hurley 61e86cc90a tty: vt: Fix !TASK_RUNNING diagnostic warning from paste_selection() ... Pasting text with gpm on a VC produced warning [1]. Reset task state to TASK_RUNNING in the paste_selection() loop, if the loop did not sleep. [1] WARNING: CPU: 6 PID: 1960 at /home/peter/src/kernels/mainline/kernel/sched/core.c:7286 __might_sleep+0x7f/0x90() do not call blocking ops when !TASK_RUNNING; state=1 set at [<ffffffff8151805e>] paste_selection+0x9e/0x1a0 Modules linked in: btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c ..... CPU: 6 PID: 1960 Comm: gpm Not tainted 4.1.0-rc7+tty-xeon+debug #rc7+tty Hardware name: Dell Inc. Precision WorkStation T5400 /0RW203, BIOS A11 04/30/2012 ffffffff81c9c0a0 ffff8802b0fd3ac8 ffffffff8185778a 0000000000000001 ffff8802b0fd3b18 ffff8802b0fd3b08 ffffffff8108039a ffffffff82ae8510 ffffffff81c9ce00 0000000000000015 0000000000000000 0000000000000000 Call Trace: [<ffffffff8185778a>] dump_stack+0x4f/0x7b [<ffffffff8108039a>] warn_slowpath_common+0x8a/0xc0 [<ffffffff81080416>] warn_slowpath_fmt+0x46/0x50 [<ffffffff810ddced>] ? __lock_acquire+0xe2d/0x13a0 [<ffffffff8151805e>] ? paste_selection+0x9e/0x1a0 [<ffffffff8151805e>] ? paste_selection+0x9e/0x1a0 [<ffffffff810ad4ff>] __might_sleep+0x7f/0x90 [<ffffffff8185f76a>] down_read+0x2a/0xa0 [<ffffffff810bb1d8>] ? sched_clock_cpu+0xb8/0xe0 [<ffffffff8150d1dc>] n_tty_receive_buf_common+0x4c/0xba0 [<ffffffff810dc875>] ? mark_held_locks+0x75/0xa0 [<ffffffff81861c95>] ? _raw_spin_unlock_irqrestore+0x65/0x80 [<ffffffff810b49a1>] ? get_parent_ip+0x11/0x50 [<ffffffff8150dd44>] n_tty_receive_buf2+0x14/0x20 [<ffffffff81518117>] paste_selection+0x157/0x1a0 [<ffffffff810b77b0>] ? wake_up_state+0x20/0x20 [<ffffffff815203f8>] tioclinux+0xb8/0x2c0 [<ffffffff81515bfe>] vt_ioctl+0xaee/0x11a0 [<ffffffff810baf75>] ? sched_clock_local+0x25/0x90 [<ffffffff810bbe11>] ? vtime_account_user+0x91/0xa0 [<ffffffff8150810c>] tty_ioctl+0x20c/0xe20 [<ffffffff810bbe11>] ? vtime_account_user+0x91/0xa0 [<ffffffff810b49a1>] ? get_parent_ip+0x11/0x50 [<ffffffff810b4a69>] ? preempt_count_sub+0x49/0x50 [<ffffffff811ab71c>] ? context_tracking_exit+0x5c/0x290 [<ffffffff811ab71c>] ? context_tracking_exit+0x5c/0x290 [<ffffffff81248b98>] do_vfs_ioctl+0x318/0x570 [<ffffffff810dca8d>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff810dc9b5>] ? trace_hardirqs_on_caller+0x115/0x1e0 [<ffffffff81254acc>] ? __fget_light+0x6c/0xa0 [<ffffffff81248e71>] SyS_ioctl+0x81/0xa0 [<ffffffff81862832>] system_call_fastpath+0x16/0x7a Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2015-07-23 18:08:29 -07:00
..
hvc	xen: features and cleanups for 4.2-rc0	2015-07-01 11:53:46 -07:00
ipwireless
serial	serial: core: Fix crashes while echoing when closing	2015-07-23 18:08:28 -07:00
vt	tty: vt: Fix !TASK_RUNNING diagnostic warning from paste_selection()	2015-07-23 18:08:29 -07:00
amiserial.c	tty: amiserial.c: move assignment out of if () block	2015-05-10 19:04:16 +02:00
bfin_jtag_comm.c
cyclades.c
ehv_bytechan.c
goldfish.c	staging: goldfish: Fix pointer cast for 32 bits	2015-05-31 11:40:14 +09:00
isicom.c
Kconfig
Makefile
metag_da.c	tty/metag_da: Avoid module_init/module_exit in non-modular code	2015-06-16 14:12:31 -04:00
mips_ejtag_fdc.c	ttyFDC: Fix to use native endian MMIO reads	2015-05-26 16:46:52 +02:00
moxa.c
moxa.h
mxser.c
mxser.h
n_gsm.c	tty: Spelling s/reseved/reserved/	2015-05-24 13:06:08 -07:00
n_hdlc.c	pty: Fix input race when closing	2015-05-10 19:26:37 +02:00
n_r3964.c
n_tracerouter.c
n_tracesink.c
n_tracesink.h
n_tty.c	n_tty: signal and flush atomically	2015-07-23 15:05:53 -07:00
nozomi.c	drivers/tty/nozomi.c: rename CONFIG_MAGIC	2015-05-10 19:19:06 +02:00
pty.c	pty: Fix input race when closing	2015-05-10 19:26:37 +02:00
rocket_int.h
rocket.c
rocket.h	tty: rocket: fix comment of ROCKET_SPD_HI	2015-05-24 12:49:16 -07:00
synclink_gt.c	tty: synclink_gt.c: move assignment out of if () block	2015-05-10 19:04:18 +02:00
synclink.c	tty: synclink.c: move assignment out of if () block	2015-05-10 19:04:18 +02:00
synclinkmp.c	tty: synclinkmp.c: move assignment out of if () block	2015-05-10 19:04:18 +02:00
sysrq.c	Minor merge needed, due to function move.	2015-07-01 10:49:25 -07:00
tty_audit.c
tty_buffer.c	Merge 4.1-rc4 into tty-next	2015-05-18 14:08:58 -07:00
tty_io.c
tty_ioctl.c
tty_ldisc.c
tty_ldsem.c	tty: tty_ldsem.c: move assignment out of if () block	2015-05-10 19:04:18 +02:00
tty_mutex.c
tty_port.c