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linux/drivers/usb/core
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Sebastian Andrzej Siewior 5ee581dc76 usb: use _nort in giveback 
Since commit 94dfd7ed ("USB: HCD: support giveback of URB in tasklet
context") I see

|BUG: sleeping function called from invalid context at kernel/rtmutex.c:673
|in_atomic(): 0, irqs_disabled(): 1, pid: 109, name: irq/11-uhci_hcd
|no locks held by irq/11-uhci_hcd/109.
|irq event stamp: 440
|hardirqs last  enabled at (439): [<ffffffff816a7555>] _raw_spin_unlock_irqrestore+0x75/0x90
|hardirqs last disabled at (440): [<ffffffff81514906>] __usb_hcd_giveback_urb+0x46/0xc0
|softirqs last  enabled at (0): [<ffffffff81081821>] copy_process.part.52+0x511/0x1510
|softirqs last disabled at (0): [<          (null)>]           (null)
|CPU: 3 PID: 109 Comm: irq/11-uhci_hcd Not tainted 3.12.0-rt0-rc1+ #13
|Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
| 0000000000000000 ffff8800db9ffbe0 ffffffff8169f064 0000000000000000
| ffff8800db9ffbf8 ffffffff810b2122 ffff88020f03e888 ffff8800db9ffc18
| ffffffff816a6944 ffffffff810b5748 ffff88020f03c000 ffff8800db9ffc50
|Call Trace:
| [<ffffffff8169f064>] dump_stack+0x4e/0x8f
| [<ffffffff810b2122>] __might_sleep+0x112/0x190
| [<ffffffff816a6944>] rt_spin_lock+0x24/0x60
| [<ffffffff8158435b>] hid_ctrl+0x3b/0x190
| [<ffffffff8151490f>] __usb_hcd_giveback_urb+0x4f/0xc0
| [<ffffffff81514aaf>] usb_hcd_giveback_urb+0x3f/0x140
| [<ffffffff815346af>] uhci_giveback_urb+0xaf/0x280
| [<ffffffff8153666a>] uhci_scan_schedule+0x47a/0xb10
| [<ffffffff81537336>] uhci_irq+0xa6/0x1a0
| [<ffffffff81513c48>] usb_hcd_irq+0x28/0x40
| [<ffffffff810c8ba3>] irq_forced_thread_fn+0x23/0x70
| [<ffffffff810c918f>] irq_thread+0x10f/0x150
| [<ffffffff810a6fad>] kthread+0xcd/0xe0
| [<ffffffff816a842c>] ret_from_fork+0x7c/0xb0

on -RT we run threaded so no need to disable interrupts.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
2020-10-14 00:59:11 +03:00
..
buffer.c usb: core: buffer: smallest buffer should start at ARCH_DMA_MINALIGN 2015-03-06 14:43:30 -08:00
config.c usb: Make DELAY_INIT quirk wait 100ms between Get Configuration requests 2014-03-07 11:46:51 -08:00
devices.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-02-26 20:16:07 -08:00
devio.c USB: usbfs: don't leak kernel data in siginfo 2015-03-18 13:31:28 +01:00
driver.c USB: Avoid runtime suspend loops for HCDs that can't handle suspend/resume 2014-06-11 11:54:13 -07:00
endpoint.c USB: core: be specific about attribute permissions 2013-08-25 15:12:03 -07:00
file.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-11-13 15:34:18 +09:00
generic.c USB: avoid error messages when a device is disconnected 2013-03-28 11:05:52 -07:00
hcd-pci.c USB: fix crash during hotplug of PCI USB controller card 2014-05-06 07:59:27 -07:00
hcd.c usb: use _nort in giveback 2020-10-14 00:59:11 +03:00
hub.c usb: core: hub: use new USB_RESUME_TIMEOUT 2015-05-06 21:59:13 +02:00
hub.h USB: core: correct spelling mistakes in comments and warning 2014-01-07 16:17:40 -08:00
Kconfig treewide: Fix typo in Kconfig 2013-10-14 15:23:02 +02:00
Makefile USB: core: remove CONFIG_USB_DEBUG usage 2013-12-21 16:01:00 -08:00
message.c usb: delete non-required instances of include <linux/init.h> 2014-01-08 15:01:39 -08:00
notify.c usb: Add export.h for EXPORT_SYMBOL/THIS_MODULE where needed 2011-10-31 19:31:25 -04:00
otg_whitelist.h USB: fix codingstyle issues in drivers/usb/core/*.h 2008-02-01 14:35:07 -08:00
port.c USB: core: be specific about attribute permissions 2013-08-25 15:12:03 -07:00
quirks.c usb-quirks: Add reset-resume quirk for MS Wireless Laser Mouse 6000 2014-12-06 15:55:36 -08:00
sysfs.c USB: core: correct spelling mistakes in comments and warning 2014-01-07 16:17:40 -08:00
urb.c usb: delete non-required instances of include <linux/init.h> 2014-01-08 15:01:39 -08:00
usb-acpi.c ACPI and power management updates for 3.14-rc1 2014-01-24 15:51:02 -08:00
usb.c usb: core: buffer: smallest buffer should start at ARCH_DMA_MINALIGN 2015-03-06 14:43:30 -08:00
usb.h USB: unbind all interfaces before rebinding any 2014-05-06 07:59:34 -07:00