linux_dsm_epyc7002/include/linux
Peter Hurley dee4a0be69 tty: Fix lock order in tty_do_resize()
Commits 6a1c0680cf and
9356b535fc, respectively
  'tty: Convert termios_mutex to termios_rwsem' and
  'n_tty: Access termios values safely'
introduced a circular lock dependency with console_lock and
termios_rwsem.

The lockdep report [1] shows that n_tty_write() will attempt
to claim console_lock while holding the termios_rwsem, whereas
tty_do_resize() may already hold the console_lock while
claiming the termios_rwsem.

Since n_tty_write() and tty_do_resize() do not contend
over the same data -- the tty->winsize structure -- correct
the lock dependency by introducing a new lock which
specifically serializes access to tty->winsize only.

[1] Lockdep report

======================================================
[ INFO: possible circular locking dependency detected ]
3.10.0-0+tip-xeon+lockdep #0+tip Not tainted
-------------------------------------------------------
modprobe/277 is trying to acquire lock:
 (&tty->termios_rwsem){++++..}, at: [<ffffffff81452656>] tty_do_resize+0x36/0xe0

but task is already holding lock:
 ((fb_notifier_list).rwsem){.+.+.+}, at: [<ffffffff8107aac6>] __blocking_notifier_call_chain+0x56/0xc0

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

-> #2 ((fb_notifier_list).rwsem){.+.+.+}:
       [<ffffffff810b6d62>] lock_acquire+0x92/0x1f0
       [<ffffffff8175b797>] down_read+0x47/0x5c
       [<ffffffff8107aac6>] __blocking_notifier_call_chain+0x56/0xc0
       [<ffffffff8107ab46>] blocking_notifier_call_chain+0x16/0x20
       [<ffffffff813d7c0b>] fb_notifier_call_chain+0x1b/0x20
       [<ffffffff813d95b2>] register_framebuffer+0x1e2/0x320
       [<ffffffffa01043e1>] drm_fb_helper_initial_config+0x371/0x540 [drm_kms_helper]
       [<ffffffffa01bcb05>] nouveau_fbcon_init+0x105/0x140 [nouveau]
       [<ffffffffa01ad0af>] nouveau_drm_load+0x43f/0x610 [nouveau]
       [<ffffffffa008a79e>] drm_get_pci_dev+0x17e/0x2a0 [drm]
       [<ffffffffa01ad4da>] nouveau_drm_probe+0x25a/0x2a0 [nouveau]
       [<ffffffff813b13db>] local_pci_probe+0x4b/0x80
       [<ffffffff813b1701>] pci_device_probe+0x111/0x120
       [<ffffffff814977eb>] driver_probe_device+0x8b/0x3a0
       [<ffffffff81497bab>] __driver_attach+0xab/0xb0
       [<ffffffff814956ad>] bus_for_each_dev+0x5d/0xa0
       [<ffffffff814971fe>] driver_attach+0x1e/0x20
       [<ffffffff81496cc1>] bus_add_driver+0x111/0x290
       [<ffffffff814982b7>] driver_register+0x77/0x170
       [<ffffffff813b0454>] __pci_register_driver+0x64/0x70
       [<ffffffffa008a9da>] drm_pci_init+0x11a/0x130 [drm]
       [<ffffffffa022a04d>] nouveau_drm_init+0x4d/0x1000 [nouveau]
       [<ffffffff810002ea>] do_one_initcall+0xea/0x1a0
       [<ffffffff810c54cb>] load_module+0x123b/0x1bf0
       [<ffffffff810c5f57>] SyS_init_module+0xd7/0x120
       [<ffffffff817677c2>] system_call_fastpath+0x16/0x1b

-> #1 (console_lock){+.+.+.}:
       [<ffffffff810b6d62>] lock_acquire+0x92/0x1f0
       [<ffffffff810430a7>] console_lock+0x77/0x80
       [<ffffffff8146b2a1>] con_flush_chars+0x31/0x50
       [<ffffffff8145780c>] n_tty_write+0x1ec/0x4d0
       [<ffffffff814541b9>] tty_write+0x159/0x2e0
       [<ffffffff814543f5>] redirected_tty_write+0xb5/0xc0
       [<ffffffff811ab9d5>] vfs_write+0xc5/0x1f0
       [<ffffffff811abec5>] SyS_write+0x55/0xa0
       [<ffffffff817677c2>] system_call_fastpath+0x16/0x1b

-> #0 (&tty->termios_rwsem){++++..}:
       [<ffffffff810b65c3>] __lock_acquire+0x1c43/0x1d30
       [<ffffffff810b6d62>] lock_acquire+0x92/0x1f0
       [<ffffffff8175b724>] down_write+0x44/0x70
       [<ffffffff81452656>] tty_do_resize+0x36/0xe0
       [<ffffffff8146c841>] vc_do_resize+0x3e1/0x4c0
       [<ffffffff8146c99f>] vc_resize+0x1f/0x30
       [<ffffffff813e4535>] fbcon_init+0x385/0x5a0
       [<ffffffff8146a4bc>] visual_init+0xbc/0x120
       [<ffffffff8146cd13>] do_bind_con_driver+0x163/0x320
       [<ffffffff8146cfa1>] do_take_over_console+0x61/0x70
       [<ffffffff813e2b93>] do_fbcon_takeover+0x63/0xc0
       [<ffffffff813e67a5>] fbcon_event_notify+0x715/0x820
       [<ffffffff81762f9d>] notifier_call_chain+0x5d/0x110
       [<ffffffff8107aadc>] __blocking_notifier_call_chain+0x6c/0xc0
       [<ffffffff8107ab46>] blocking_notifier_call_chain+0x16/0x20
       [<ffffffff813d7c0b>] fb_notifier_call_chain+0x1b/0x20
       [<ffffffff813d95b2>] register_framebuffer+0x1e2/0x320
       [<ffffffffa01043e1>] drm_fb_helper_initial_config+0x371/0x540 [drm_kms_helper]
       [<ffffffffa01bcb05>] nouveau_fbcon_init+0x105/0x140 [nouveau]
       [<ffffffffa01ad0af>] nouveau_drm_load+0x43f/0x610 [nouveau]
       [<ffffffffa008a79e>] drm_get_pci_dev+0x17e/0x2a0 [drm]
       [<ffffffffa01ad4da>] nouveau_drm_probe+0x25a/0x2a0 [nouveau]
       [<ffffffff813b13db>] local_pci_probe+0x4b/0x80
       [<ffffffff813b1701>] pci_device_probe+0x111/0x120
       [<ffffffff814977eb>] driver_probe_device+0x8b/0x3a0
       [<ffffffff81497bab>] __driver_attach+0xab/0xb0
       [<ffffffff814956ad>] bus_for_each_dev+0x5d/0xa0
       [<ffffffff814971fe>] driver_attach+0x1e/0x20
       [<ffffffff81496cc1>] bus_add_driver+0x111/0x290
       [<ffffffff814982b7>] driver_register+0x77/0x170
       [<ffffffff813b0454>] __pci_register_driver+0x64/0x70
       [<ffffffffa008a9da>] drm_pci_init+0x11a/0x130 [drm]
       [<ffffffffa022a04d>] nouveau_drm_init+0x4d/0x1000 [nouveau]
       [<ffffffff810002ea>] do_one_initcall+0xea/0x1a0
       [<ffffffff810c54cb>] load_module+0x123b/0x1bf0
       [<ffffffff810c5f57>] SyS_init_module+0xd7/0x120
       [<ffffffff817677c2>] system_call_fastpath+0x16/0x1b

other info that might help us debug this:

Chain exists of:
  &tty->termios_rwsem --> console_lock --> (fb_notifier_list).rwsem

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock((fb_notifier_list).rwsem);
                               lock(console_lock);
                               lock((fb_notifier_list).rwsem);
  lock(&tty->termios_rwsem);

 *** DEADLOCK ***

7 locks held by modprobe/277:
 #0:  (&__lockdep_no_validate__){......}, at: [<ffffffff81497b5b>] __driver_attach+0x5b/0xb0
 #1:  (&__lockdep_no_validate__){......}, at: [<ffffffff81497b69>] __driver_attach+0x69/0xb0
 #2:  (drm_global_mutex){+.+.+.}, at: [<ffffffffa008a6dd>] drm_get_pci_dev+0xbd/0x2a0 [drm]
 #3:  (registration_lock){+.+.+.}, at: [<ffffffff813d93f5>] register_framebuffer+0x25/0x320
 #4:  (&fb_info->lock){+.+.+.}, at: [<ffffffff813d8116>] lock_fb_info+0x26/0x60
 #5:  (console_lock){+.+.+.}, at: [<ffffffff813d95a4>] register_framebuffer+0x1d4/0x320
 #6:  ((fb_notifier_list).rwsem){.+.+.+}, at: [<ffffffff8107aac6>] __blocking_notifier_call_chain+0x56/0xc0

stack backtrace:
CPU: 0 PID: 277 Comm: modprobe Not tainted 3.10.0-0+tip-xeon+lockdep #0+tip
Hardware name: Dell Inc. Precision WorkStation T5400  /0RW203, BIOS A11 04/30/2012
 ffffffff8213e5e0 ffff8802aa2fb298 ffffffff81755f19 ffff8802aa2fb2e8
 ffffffff8174f506 ffff8802aa2fa000 ffff8802aa2fb378 ffff8802aa2ea8e8
 ffff8802aa2ea910 ffff8802aa2ea8e8 0000000000000006 0000000000000007
Call Trace:
 [<ffffffff81755f19>] dump_stack+0x19/0x1b
 [<ffffffff8174f506>] print_circular_bug+0x1fb/0x20c
 [<ffffffff810b65c3>] __lock_acquire+0x1c43/0x1d30
 [<ffffffff810b775e>] ? mark_held_locks+0xae/0x120
 [<ffffffff810b78d5>] ? trace_hardirqs_on_caller+0x105/0x1d0
 [<ffffffff810b6d62>] lock_acquire+0x92/0x1f0
 [<ffffffff81452656>] ? tty_do_resize+0x36/0xe0
 [<ffffffff8175b724>] down_write+0x44/0x70
 [<ffffffff81452656>] ? tty_do_resize+0x36/0xe0
 [<ffffffff81452656>] tty_do_resize+0x36/0xe0
 [<ffffffff8146c841>] vc_do_resize+0x3e1/0x4c0
 [<ffffffff8146c99f>] vc_resize+0x1f/0x30
 [<ffffffff813e4535>] fbcon_init+0x385/0x5a0
 [<ffffffff8146a4bc>] visual_init+0xbc/0x120
 [<ffffffff8146cd13>] do_bind_con_driver+0x163/0x320
 [<ffffffff8146cfa1>] do_take_over_console+0x61/0x70
 [<ffffffff813e2b93>] do_fbcon_takeover+0x63/0xc0
 [<ffffffff813e67a5>] fbcon_event_notify+0x715/0x820
 [<ffffffff81762f9d>] notifier_call_chain+0x5d/0x110
 [<ffffffff8107aadc>] __blocking_notifier_call_chain+0x6c/0xc0
 [<ffffffff8107ab46>] blocking_notifier_call_chain+0x16/0x20
 [<ffffffff813d7c0b>] fb_notifier_call_chain+0x1b/0x20
 [<ffffffff813d95b2>] register_framebuffer+0x1e2/0x320
 [<ffffffffa01043e1>] drm_fb_helper_initial_config+0x371/0x540 [drm_kms_helper]
 [<ffffffff8173cbcb>] ? kmemleak_alloc+0x5b/0xc0
 [<ffffffff81198874>] ? kmem_cache_alloc_trace+0x104/0x290
 [<ffffffffa01035e1>] ? drm_fb_helper_single_add_all_connectors+0x81/0xf0 [drm_kms_helper]
 [<ffffffffa01bcb05>] nouveau_fbcon_init+0x105/0x140 [nouveau]
 [<ffffffffa01ad0af>] nouveau_drm_load+0x43f/0x610 [nouveau]
 [<ffffffffa008a79e>] drm_get_pci_dev+0x17e/0x2a0 [drm]
 [<ffffffffa01ad4da>] nouveau_drm_probe+0x25a/0x2a0 [nouveau]
 [<ffffffff8175f162>] ? _raw_spin_unlock_irqrestore+0x42/0x80
 [<ffffffff813b13db>] local_pci_probe+0x4b/0x80
 [<ffffffff813b1701>] pci_device_probe+0x111/0x120
 [<ffffffff814977eb>] driver_probe_device+0x8b/0x3a0
 [<ffffffff81497bab>] __driver_attach+0xab/0xb0
 [<ffffffff81497b00>] ? driver_probe_device+0x3a0/0x3a0
 [<ffffffff814956ad>] bus_for_each_dev+0x5d/0xa0
 [<ffffffff814971fe>] driver_attach+0x1e/0x20
 [<ffffffff81496cc1>] bus_add_driver+0x111/0x290
 [<ffffffffa022a000>] ? 0xffffffffa0229fff
 [<ffffffff814982b7>] driver_register+0x77/0x170
 [<ffffffffa022a000>] ? 0xffffffffa0229fff
 [<ffffffff813b0454>] __pci_register_driver+0x64/0x70
 [<ffffffffa008a9da>] drm_pci_init+0x11a/0x130 [drm]
 [<ffffffffa022a000>] ? 0xffffffffa0229fff
 [<ffffffffa022a000>] ? 0xffffffffa0229fff
 [<ffffffffa022a04d>] nouveau_drm_init+0x4d/0x1000 [nouveau]
 [<ffffffff810002ea>] do_one_initcall+0xea/0x1a0
 [<ffffffff810c54cb>] load_module+0x123b/0x1bf0
 [<ffffffff81399a50>] ? ddebug_proc_open+0xb0/0xb0
 [<ffffffff813855ae>] ? trace_hardirqs_on_thunk+0x3a/0x3f
 [<ffffffff810c5f57>] SyS_init_module+0xd7/0x120
 [<ffffffff817677c2>] system_call_fastpath+0x16/0x1b

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-07-24 15:12:53 -07:00
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iscsi_ibft.h
isdn_divertif.h
isdn_ppp.h
isdn.h
isdnif.h
isicom.h
jbd2.h
jbd_common.h
jbd.h
jhash.h
jiffies.h
journal-head.h
joystick.h
jump_label.h
jz4740-adc.h
kallsyms.h
kbd_diacr.h
kbd_kern.h
kbuild.h
kcmp.h
kconfig.h
kcore.h
kd.h
kdb.h
kdebug.h
kdev_t.h
kern_levels.h
kernel_stat.h
kernel-page-flags.h
kernel.h
kernelcapi.h
kexec.h
key-type.h
key.h
keyboard.h
kfifo.h
kgdb.h
khugepaged.h
klist.h
kmemcheck.h
kmemleak.h
kmod.h
kmsg_dump.h
kobj_map.h
kobject_ns.h
kobject.h
kprobes.h
kref.h
ks0108.h
ks8842.h
ks8851_mll.h
ksm.h
kthread.h
ktime.h
kvm_host.h
kvm_para.h
kvm_types.h
l2tp.h
lapb.h
latencytop.h
lcd.h
lcm.h
led-lm3530.h
leds_pwm.h
leds-bd2802.h
leds-lp3944.h
leds-pca9532.h
leds-regulator.h
leds-tca6507.h
leds.h
lglock.h
lguest_launcher.h
lguest.h
libata.h
libfdt_env.h
libfdt.h
libps2.h
license.h
linkage.h
linux_logo.h
lis3lv02d.h
list_bl.h
list_nulls.h
list_sort.h
list.h linked-list: Remove __list_for_each 2013-07-16 22:00:14 -07:00
llc.h
llist.h tty: Use lockless flip buffer free list 2013-07-23 16:47:08 -07:00
lockdep.h
log2.h
lp.h
lru_cache.h
lsm_audit.h
lz4.h
lzo.h
m48t86.h
mailbox.h
maple.h
marvell_phy.h
math64.h
max17040_battery.h
mbcache.h
mbus.h
mc6821.h
mc146818rtc.h
mdio-bitbang.h
mdio-gpio.h
mdio-mux.h
mdio.h
mei_cl_bus.h
memblock.h
memcontrol.h
memory_hotplug.h
memory.h
mempolicy.h
mempool.h
memstick.h
mg_disk.h
micrel_phy.h
migrate_mode.h
migrate.h
mii.h
miscdevice.h
mISDNdsp.h
mISDNhw.h
mISDNif.h
mm_inline.h
mm_types.h mm: remove free_area_cache 2013-07-10 18:11:34 -07:00
mm.h
mman.h
mmdebug.h
mmiotrace.h
mmu_context.h
mmu_notifier.h
mmzone.h
mnt_namespace.h
mod_devicetable.h
module.h
moduleloader.h
moduleparam.h
mount.h
mpage.h
mpi.h
mroute6.h
mroute.h
msdos_fs.h
msg.h
msi.h
msm_mdp.h
mutex-debug.h
mutex.h mutex: Move ww_mutex definitions to ww_mutex.h 2013-07-12 12:07:46 +02:00
mv643xx_eth.h
mv643xx_i2c.h
mv643xx.h
mxm-wmi.h
n_r3964.h
namei.h
nbd.h
net.h
netdev_features.h
netdevice.h net: rename ll methods to busy-poll 2013-07-10 17:08:27 -07:00
netfilter_bridge.h
netfilter_ipv4.h
netfilter_ipv6.h
netfilter.h
netlink.h
netpoll.h
nfs3.h
nfs4.h
nfs_fs_i.h
nfs_fs_sb.h
nfs_fs.h
nfs_idmap.h
nfs_iostat.h
nfs_page.h
nfs_xdr.h
nfs.h
nfsacl.h
nilfs2_fs.h
nl802154.h
nls.h
nmi.h
node.h
nodemask.h
notifier.h
nsc_gpio.h
nsproxy.h
ntb.h
nubus.h
numa.h
nvme.h
nvram.h
nwpserial.h
nx842.h
of_address.h
of_device.h
of_dma.h
of_fdt.h
of_gpio.h
of_i2c.h
of_iommu.h
of_irq.h
of_mdio.h
of_mtd.h
of_net.h
of_pci.h
of_pdt.h
of_platform.h
of.h
oid_registry.h
olpc-ec.h
omap-dma.h
omap-iommu.h
omap-mailbox.h
omapfb.h
oom.h
openvswitch.h
opp.h
oprofile.h
oxu210hp.h
padata.h
page_cgroup.h
page-debug-flags.h
page-flags-layout.h
page-flags.h
page-isolation.h
pageblock-flags.h
pagemap.h
pagevec.h
parport_pc.h
parport.h
parser.h
pata_arasan_cf_data.h
patchkey.h
path.h
pch_dma.h
pci_hotplug.h
pci_ids.h
pci-acpi.h
pci-aspm.h
pci-ats.h
pci-dma.h
pci.h
pcieport_if.h
pda_power.h
percpu_counter.h
percpu-defs.h
percpu-refcount.h
percpu-rwsem.h
percpu.h
perf_event.h kernel: delete __cpuinit usage from all core kernel files 2013-07-14 19:36:59 -04:00
perf_regs.h
personality.h
pfn.h
phonedev.h
phonet.h
phy_fixed.h
phy.h
pid_namespace.h
pid.h
pim.h
pipe_fs_i.h
pktcdvd.h
platform_device.h
plist.h
pm2301_charger.h
pm_clock.h
pm_domain.h
pm_qos.h
pm_runtime.h
pm_wakeup.h PM / Sleep: Fix comment typo in pm_wakeup.h 2013-07-15 01:31:37 +02:00
pm.h
pmu.h
pnfs_osd_xdr.h
pnp.h
poison.h
poll.h
posix_acl_xattr.h
posix_acl.h
posix-clock.h
posix-timers.h
power_supply.h
ppp_channel.h
ppp_defs.h
ppp-comp.h
pps_kernel.h
pps-gpio.h
preempt.h
prefetch.h
printk.h
prio_heap.h
proc_fs.h
proc_ns.h
profile.h
projid.h
proportions.h
pstore_ram.h
pstore.h
pti.h
ptp_classify.h
ptp_clock_kernel.h
ptrace.h
pvclock_gtod.h
pwm_backlight.h
pwm.h
pxa2xx_ssp.h
pxa168_eth.h
qnx6_fs.h
quicklist.h
quota.h
quotaops.h
radix-tree.h
raid_class.h
ramfs.h
random.h
range.h
ratelimit.h
rational.h
rbtree_augmented.h
rbtree.h
rculist_bl.h
rculist_nulls.h
rculist.h
rcupdate.h
rcutiny.h
rcutree.h
reboot.h
reciprocal_div.h
regmap.h
regset.h
relay.h
remoteproc.h
res_counter.h
reservation.h mutex: Move ww_mutex definitions to ww_mutex.h 2013-07-12 12:07:46 +02:00
reset-controller.h
reset.h
resource.h
resume-trace.h
rfkill-gpio.h
rfkill-regulator.h
rfkill.h
ring_buffer.h
rio_drv.h
rio_ids.h
rio_regs.h
rio.h
rmap.h
rndis.h
root_dev.h
rotary_encoder.h
rpmsg.h
rslib.h
rtc-ds2404.h
rtc-v3020.h
rtc.h
rtmutex.h
rtnetlink.h
rwlock_api_smp.h
rwlock_types.h
rwlock.h
rwsem-spinlock.h
rwsem.h
rxrpc.h
s3c_adc_battery.h
sa11x0-dma.h
scatterlist.h
scc.h
sched_clock.h
sched.h mm: remove free_area_cache 2013-07-10 18:11:34 -07:00
screen_info.h
sctp.h
scx200_gpio.h
scx200.h
sdb.h
sdla.h
seccomp.h
securebits.h
security.h
selection.h
selinux.h
sem.h
semaphore.h
seq_file_net.h
seq_file.h
seqlock.h
serial_8250.h
serial_core.h
serial_max3100.h
serial_mfd.h
serial_pnx8xxx.h
serial_s3c.h
serial_sci.h
serial.h
serio.h
sfi_acpi.h
sfi.h
sh_clk.h
sh_dma.h
sh_eth.h
sh_intc.h
sh_timer.h
shdma-base.h
shm.h
shmem_fs.h
shrinker.h
signal.h
signalfd.h
sirfsoc_dma.h
sizes.h
skbuff.h
slab_def.h
slab.h
slob_def.h
slub_def.h
sm501-regs.h
sm501.h
smc91x.h
smc911x.h
smp.h
smpboot.h
smsc911x.h
smscphy.h
sock_diag.h
socket.h
sonet.h
sony-laptop.h
sonypi.h
sort.h
sound.h
soundcard.h
spinlock_api_smp.h
spinlock_api_up.h
spinlock_types_up.h
spinlock_types.h
spinlock_up.h
spinlock.h
splice.h
srcu.h
ssbi.h
stackprotector.h
stacktrace.h
start_kernel.h
stat.h
statfs.h
static_key.h
stddef.h
ste_modem_shm.h
stmmac.h
stmp3xxx_rtc_wdt.h
stmp_device.h
stop_machine.h
string_helpers.h
string.h
stringify.h
sudmac.h
sungem_phy.h
sunserialcore.h
superhyway.h
suspend.h
svga.h
swab.h
swap.h
swapfile.h
swapops.h
swiotlb.h
synclink.h
sys_soc.h
sys.h
syscalls.h
syscore_ops.h
sysctl.h
sysfs.h sysfs: use file mode defines from stat.h 2013-07-16 10:57:37 -07:00
syslog.h
sysrq.h
sysv_fs.h
task_io_accounting_ops.h
task_io_accounting.h
task_work.h
taskstats_kern.h
tboot.h
tc.h
tca6416_keypad.h
tcp.h
tegra-ahb.h
tegra-powergate.h
tegra-soc.h
textsearch_fsm.h
textsearch.h
tfrc.h
thermal.h
thread_info.h
threads.h
ti_wilink_st.h
tick.h
tifm.h
timb_dma.h
timb_gpio.h
time-armada-370-xp.h
time.h
timekeeper_internal.h
timer.h
timerfd.h
timeriomem-rng.h
timerqueue.h
timex.h
topology.h
toshiba.h
tpm_command.h
tpm.h
trace_clock.h
trace_seq.h
tracehook.h
tracepoint.h
transport_class.h
tsacct_kern.h
tty_driver.h
tty_flip.h tty: Fix unsafe vt paste_selection() 2013-07-23 16:47:10 -07:00
tty_ldisc.h tty: Make ldisc input flow control concurrency-friendly 2013-07-23 16:42:59 -07:00
tty.h tty: Fix lock order in tty_do_resize() 2013-07-24 15:12:53 -07:00
typecheck.h
types.h
u64_stats_sync.h
uaccess.h
ucb1400.h
ucs2_string.h
udp.h
uidgid.h
uinput.h
uio_driver.h
uio.h
uprobes.h
usb_usual.h
usb.h
usbdevice_fs.h
user_namespace.h
user-return-notifier.h
user.h
uts.h
utsname.h
uuid.h
uwb.h
vermagic.h
vexpress.h
vfio.h
vfs.h
vga_switcheroo.h
vgaarb.h
via_i2c.h
via-core.h
via-gpio.h
via.h
video_output.h
videodev2.h
virtio_caif.h
virtio_config.h
virtio_console.h
virtio_mmio.h
virtio_ring.h
virtio_scsi.h
virtio.h
vlynq.h
vm_event_item.h
vm_sockets.h
vmalloc.h
vme.h
vmpressure.h
vmstat.h
vmw_vmci_api.h
vmw_vmci_defs.h
vringh.h
vt_buffer.h
vt_kern.h
vt.h
vtime.h
w1-gpio.h
wait.h
wanrouter.h
watchdog.h
wireless.h
wl12xx.h
wm97xx.h
workqueue.h
writeback.h
ww_mutex.h mutex: Move ww_mutex definitions to ww_mutex.h 2013-07-12 12:07:46 +02:00
xattr.h
xilinxfb.h
xz.h
yam.h
z2_battery.h
zbud.h zbud: add to mm/ 2013-07-10 18:11:34 -07:00
zconf.h
zlib.h
zorro_ids.h
zorro.h
zutil.h