Johan Hovold [Mon, 1 Jul 2013 12:03:33 +0000 (14:03 +0200)]
USB: mos7840: fix memory leak in open
Allocated urbs and buffers were never freed on errors in open.
Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Enrico Mioso [Sat, 13 Jul 2013 16:54:14 +0000 (18:54 +0200)]
usb: serial: option.c: remove ONDA MT825UP product ID fromdriver
Some (very few) early devices like mine, where not exposting a proper CDC
descriptor. This was fixed with an immediate firmware update from the vendor,
and pre-installed on newer devices.
So actual devices can be driven by cdc_acm.c + cdc_ether.c.
Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dan Williams [Wed, 10 Jul 2013 17:25:02 +0000 (12:25 -0500)]
usb: serial: option: add Olivetti Olicard 200
Speaks AT on interfaces 5 (command & PPP) and 3 (secondary), other
interface protocols are unknown.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Enrico Mioso [Sat, 29 Jun 2013 13:33:35 +0000 (15:33 +0200)]
usb: serial: option: blacklist ONDA MT689DC QMI interface
Prevent the option driver from binding itself to the QMI/WWAN interface, making
it unusable by the proper driver.
Signed-off-by: enrico Mioso <mrkiko.rs@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman [Thu, 25 Jul 2013 17:02:24 +0000 (10:02 -0700)]
Merge tag 'for-usb-linus-2013-07-25' of git://git./linux/kernel/git/sarah/xhci into usb-linus
Sarah writes:
xhci: Bug fixes, now with more tags!
Hi Greg,
Here's five bug fixes for 3.12.
The three patches are marked for stable. Two fix NULL pointer dereferences.
The third marked for stable suppresses some serious log spam from unnecessary
xHCI driver warnings, whenever an isochronous short packet happens on an xHCI
1.0 host.
The other two patches fix build warnings.
Sarah Sharp
Oleksij Rempel [Sun, 21 Jul 2013 13:36:19 +0000 (15:36 +0200)]
xhci: fix null pointer dereference on ring_doorbell_for_active_rings
in some cases where device is attched to xhci port and do not responding,
for example ath9k_htc with stalled firmware, kernel will
crash on ring_doorbell_for_active_rings.
This patch check if pointer exist before it is used.
This patch should be backported to kernels as old as 2.6.35, that
contain the commit
e9df17eb1408cfafa3d1844bfc7f22c7237b31b8 "USB: xhci:
Correct assumptions about number of rings per endpoint"
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
George Cherian [Mon, 1 Jul 2013 05:29:12 +0000 (10:59 +0530)]
usb: host: xhci: Enable XHCI_SPURIOUS_SUCCESS for all controllers with xhci 1.0
Xhci controllers with hci_version > 0.96 gives spurious success
events on short packet completion. During webcam capture the
"ERROR Transfer event TRB DMA ptr not part of current TD" was observed.
The same application works fine with synopsis controllers hci_version 0.96.
The same issue is seen with Intel Pantherpoint xhci controller. So enabling
this quirk in xhci_gen_setup if controller verion is greater than 0.96.
For xhci-pci move the quirk to much generic place xhci_gen_setup.
Note from Sarah:
The xHCI 1.0 spec changed how hardware handles short packets. The HW
will notify SW of the TRB where the short packet occurred, and it will
also give a successful status for the last TRB in a TD (the one with the
IOC flag set). On the second successful status, that warning will be
triggered in the driver.
Software is now supposed to not assume the TD is not completed until it
gets that last successful status. That means we have a slight race
condition, although it should have little practical impact. This patch
papers over that issue.
It's on my long-term to-do list to fix this race condition, but it is a
much more involved patch that will probably be too big for stable. This
patch is needed for stable to avoid serious log spam.
This patch should be backported to kernels as old as 3.0, that
contain the commit
ad808333d8201d53075a11bc8dd83b81f3d68f0b "Intel xhci:
Ignore spurious successful event."
The patch will have to be modified for kernels older than 3.2, since
that kernel added the xhci_gen_setup function for xhci platform devices.
The correct conflict resolution for kernels older than 3.2 is to set
XHCI_SPURIOUS_SUCCESS in xhci_pci_quirks for all xHCI 1.0 hosts.
Signed-off-by: George Cherian <george.cherian@ti.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable@vger.kernel.org
Randy Dunlap [Tue, 23 Jul 2013 22:22:59 +0000 (15:22 -0700)]
usb: fix build warning in pci-quirks.h when CONFIG_PCI is not enabled
Fix warning when CONFIG_PCI is not enabled
(from commit
296365781903226a3fb8758901eaeec09d2798e4).
drivers/usb/host/pci-quirks.h: warning: its scope is only this definition or declaration, which is probably not what you want [enabled by default]
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Moiz Sonasath <m-sonasath@ti.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Olof Johansson [Tue, 23 Jul 2013 18:58:20 +0000 (11:58 -0700)]
usb: xhci: Mark two functions __maybe_unused
Resolves the following build warnings:
drivers/usb/host/xhci.c:332:13: warning: 'xhci_msix_sync_irqs' defined but not used [-Wunused-function]
drivers/usb/host/xhci.c:3901:12: warning: 'xhci_change_max_exit_latency' defined but not used [-Wunused-function]
These functions are not always used, and since they're marked static
they will produce build warnings:
- xhci_msix_sync_irqs is only used with CONFIG_PCI.
- xhci_change_max_exit_latency is a little more complicated with
dependencies on CONFIG_PM and CONFIG_PM_RUNTIME.
Instead of building a bigger maze of ifdefs in this code, I've just
marked both with __maybe_unused.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Sarah Sharp [Wed, 24 Jul 2013 17:27:13 +0000 (10:27 -0700)]
xhci: Avoid NULL pointer deref when host dies.
When the host controller fails to respond to an Enable Slot command, and
the host fails to respond to the register write to abort the command
ring, the xHCI driver will assume the host is dead, and call
usb_hc_died().
The USB device's slot_id is still set to zero, and the pointer stored at
xhci->devs[0] will always be NULL. The call to xhci_check_args in
xhci_free_dev should have caught the NULL virt_dev pointer.
However, xhci_free_dev is designed to free the xhci_virt_device
structures, even if the host is dead, so that we don't leak kernel
memory. xhci_free_dev checks the return value from the generic
xhci_check_args function. If the return value is -ENODEV, it carries on
trying to free the virtual device.
The issue is that xhci_check_args looks at the host controller state
before it looks at the xhci_virt_device pointer. It will return -ENIVAL
because the host is dead, and xhci_free_dev will ignore the return
value, and happily dereference the NULL xhci_virt_device pointer.
The fix is to make sure that xhci_check_args checks the xhci_virt_device
pointer before it checks the host state.
See https://bugs.launchpad.net/ubuntu/+source/linux/+bug/
1203453 for
further details. This patch doesn't solve the underlying issue, but
will ensure we don't see any more NULL pointer dereferences because of
the issue.
This patch should be backported to kernels as old as 3.1, that
contain the commit
7bd89b4017f46a9b92853940fd9771319acb578a "xhci: Don't
submit commands or URBs to halted hosts."
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Reported-by: Vincent Thiele <vincentthiele@gmail.com>
Cc: stable@vger.kernel.org
Enrico Mioso [Thu, 25 Jul 2013 00:01:39 +0000 (02:01 +0200)]
usb: serial: option: Add ONYX 3G device support
This patch adds support for the ONYX 3G device (version 1) from ALFA
NETWORK.
Signed-off-by: Enrico Mioso <mrkiko.rs@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Johan Hovold [Fri, 28 Jun 2013 10:24:26 +0000 (12:24 +0200)]
USB: ti_usb_3410_5052: fix dynamic-id matching
The driver failed to take the dynamic ids into account when determining
the device type and therefore all devices were detected as 2-port
devices when using the dynamic-id interface.
Match on the usb-serial-driver field instead of doing redundant id-table
searches.
Reported-by: Anders Hammarquist <iko@iko.pp.se>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bjørn Mork [Fri, 28 Jun 2013 15:15:25 +0000 (17:15 +0200)]
usb: option: add TP-LINK MA260
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alexandr \"Sky\" Ivanov [Tue, 23 Jul 2013 13:46:40 +0000 (17:46 +0400)]
USB: option: add D-Link DWM-152/C1 and DWM-156/C1
Adding support for D-Link DWM-152/C1 and DWM-156/C1 devices.
DWM-152/C1:
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 6 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=07d1 ProdID=3e01 Rev= 0.00
S: Product=USB Configuration
S: SerialNumber=
1234567890ABCDEF
C:* #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
DWM-156/C1:
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 8 Spd=480 MxCh= 0
D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1
P: Vendor=07d1 ProdID=3e02 Rev= 0.00
S: Product=DataCard Device
S: SerialNumber=
1234567890ABCDEF
C:* #Ifs= 5 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=84(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
E: Ad=85(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 4 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
E: Ad=05(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=86(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
Signed-off-by: Alexandr Ivanov <alexandr.sky@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Roger Quadros [Tue, 9 Jul 2013 14:03:50 +0000 (17:03 +0300)]
USB: EHCI: Fix resume signalling on remote wakeup
Set the ehci->resuming flag for the port we receive a remote
wakeup on so that resume signalling can be completed.
Without this, the root hub timer will not fire again to check
if the resume was completed and there will be a never-ending wait on
on the port.
This effect is only observed if the HUB IRQ IN does not come after we
have initiated the port resume.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Sami Rahman [Mon, 8 Jul 2013 18:28:55 +0000 (14:28 -0400)]
USB: cp210x: add MMB and PI ZigBee USB Device Support
Added support for MMB Networks and Planet Innovation Ingeni ZigBee USB
devices using customized Silicon Labs' CP210x.c USB to UART bridge
drivers with PIDs: 88A4, 88A5.
Signed-off-by: Sami Rahman <sami.rahman@mmbresearch.com>
Tested-by: Sami Rahman <sami.rahman@mmbresearch.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Barry Grussling [Fri, 19 Jul 2013 21:46:12 +0000 (14:46 -0700)]
usb: cp210x support SEL C662 Vendor/Device
This patch adds support for the Schweitzer Engineering Laboratories
C662 USB cable based off the CP210x driver.
Signed-off-by: Barry Grussling <barry@grussling.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Daniil Bolsun [Fri, 19 Jul 2013 07:21:23 +0000 (10:21 +0300)]
USB: option: append Petatel NP10T device to GSM modems list
This patch was tested on 3.10.1 kernel.
Same models of Petatel NP10T modems have different device IDs.
Unfortunately they have no additional revision information on a board
which may treat them as different devices. Currently I've seen only
two NP10T devices with various IDs. Possibly Petatel NP10T list will
be appended upon devices with new IDs will appear.
Signed-off-by: Daniil Bolsun <dan.bolsun@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Jóhann B. Guðmundsson [Thu, 4 Jul 2013 21:47:52 +0000 (21:47 +0000)]
USB: misc: Add Manhattan Hi-Speed USB DVI Converter to sisusbvga
Signed-off-by: Jóhann B. Guðmundsson <johannbg@fedoraproject.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Ren Bigcren [Tue, 2 Jul 2013 11:34:30 +0000 (13:34 +0200)]
USB: storage: Add MicroVault Flash Drive to unusual_devs
The device report an error capacity when read_capacity_16().
Using read_capacity_10() can get the correct capacity.
Signed-off-by: Ren Bigcren <bigcren.ren@sonymobile.com>
Cc: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
Signed-off-by: Oskar Andero <oskar.andero@sonymobile.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Luiz Angelo Daros de Luca [Tue, 2 Jul 2013 02:56:25 +0000 (23:56 -0300)]
usb: serial: cp210x: Add USB ID for Netgear Switches embedded serial adapter
This adds NetGear Managed Switch M4100 series, M5300 series, M7100 series
USB ID (0846:0110) to the cp210x driver. Without this, the serial
adapter is not recognized in Linux. Description was obtained from
an Netgear Eng.
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alan Stern [Thu, 11 Jul 2013 18:58:04 +0000 (14:58 -0400)]
USB: global suspend and remote wakeup don't mix
The hub driver was recently changed to use "global" suspend for system
suspend transitions on non-SuperSpeed buses. This means that we don't
suspend devices individually by setting the suspend feature on the
upstream hub port; instead devices all go into suspend automatically
when the root hub stops transmitting packets. The idea was to save
time and to avoid certain kinds of wakeup races.
Now it turns out that many hubs are buggy; they don't relay wakeup
requests from a downstream port to their upstream port if the
downstream port's suspend feature is not set (depending on the speed
of the downstream port, whether or not the hub is enabled for remote
wakeup, and possibly other factors).
We can't have hubs dropping wakeup requests. Therefore this patch
goes partway back to the old policy: It sets the suspend feature for a
port if the device attached to that port or any of its descendants is
enabled for wakeup. People will still be able to benefit from the
time savings if they don't care about wakeup and leave it disabled on
all their devices.
In order to accomplish this, the patch adds a new field to the usb_hub
structure: wakeup_enabled_descendants is a count of how many devices
below a suspended hub are enabled for remote wakeup. A corresponding
new subroutine determines the number of wakeup-enabled devices at or
below an arbitrary suspended USB device.
This should be applied to the 3.10 stable kernel.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Toralf Förster <toralf.foerster@gmx.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Alan Stern [Thu, 27 Jun 2013 19:27:07 +0000 (15:27 -0400)]
USB: move the definition of USB_MAXCHILDREN
The USB_MAXCHILDREN symbol is used in include/uapi/linux/usb/ch11.h, a
user-mode header, even though it is defined in include/linux/usb.h,
which is kernel-only. This causes compile-time errors when user
programs try to #include linux/usb/ch11.h.
This patch fixes the problem by moving the definition of USB_MAXCHILDREN
into ch11.h. It also gets rid of unneeded parentheses.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Greg Kroah-Hartman [Tue, 16 Jul 2013 18:17:01 +0000 (11:17 -0700)]
Merge tag 'fixes-for-v3.11-rc1' of git://git./linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.11-rc1
Quite a few changes going on here. They have been
boot tested on OMAP5 and compile tested on ARM and x86
with different defconfigs.
Many gadget drivers got a depends on HAS_DMA in order
to prevent build failures on !HAS_DMA architectures.
DWC3 learned how to allow a gadget driver to be modprobed
after an unsuccessful modprobe of another gadget driver. It
also got a fix to a wrong bit mask in dwc3_event_type, and
learns to return proper error codes from failed usb3_phy
initialization.
RNDIS function driver can now be built with configfs.
at91_udc now knows that we need to prepare the clock
before enabling it.
renesas_usbhs now lets gadget drivers be modprobed
multiple times.
phy-omap-usb3 got a fix for the DPLL settings.
mv_u3d_core now passes the correct cookie to free_irq().
fotg210-udc got Section mismatch fixes.
Signed-of-by: Felipe Balbi <balbi@ti.com>
Ruchika Kharwar [Thu, 4 Jul 2013 05:21:19 +0000 (00:21 -0500)]
usb: phy: omap-usb3: fix dpll clock index
Correction of the omap_usb3_dpll_params array when the sys_clk_rate is
20MHz.
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Ruchika Kharwar <ruchika@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Sachin Kamat [Mon, 15 Jul 2013 08:36:54 +0000 (14:06 +0530)]
usb: phy: samsung: Fix an error message typo
The error message is common to both clk_get functions. Update it
accordingly.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Alan Stern [Fri, 12 Jul 2013 15:06:21 +0000 (11:06 -0400)]
usb: gadget: don't fail when DMA isn't present
When CONFIG_HAS_DMA isn't enabled, the UDC core gets build errors:
drivers/built-in.o: In function `dma_set_coherent_mask':
include/linux/dma-mapping.h:93: undefined reference to `dma_supported'
include/linux/dma-mapping.h:93: undefined reference to `dma_supported'
drivers/built-in.o: In function `usb_gadget_unmap_request':
drivers/usb/gadget/udc-core.c:91: undefined reference to `dma_unmap_sg'
drivers/usb/gadget/udc-core.c:96: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `usb_gadget_map_request':
drivers/usb/gadget/udc-core.c:62: undefined reference to `dma_map_sg'
drivers/usb/gadget/udc-core.c:71: undefined reference to `dma_map_single'
drivers/usb/gadget/udc-core.c:74: undefined reference to `dma_mapping_error'
Prevent this by protecting the DMA API routines with preprocessor tests.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Geert Uytterhoeven [Thu, 11 Jul 2013 13:54:04 +0000 (15:54 +0200)]
usb: gadget: USB_MV_U3D should depend on HAS_DMA
If NO_DMA=y:
drivers/built-in.o: In function `mv_u3d_done':
drivers/usb/gadget/mv_u3d_core.c:206: undefined reference to `dma_pool_free'
drivers/usb/gadget/mv_u3d_core.c:209: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `mv_u3d_build_trb_one':
drivers/usb/gadget/mv_u3d_core.c:311: undefined reference to `dma_pool_alloc'
drivers/built-in.o: In function `mv_u3d_req_to_trb':
drivers/usb/gadget/mv_u3d_core.c:480: undefined reference to `dma_map_single'
drivers/built-in.o: In function `mv_u3d_remove':
drivers/usb/gadget/mv_u3d_core.c:1770: undefined reference to `dma_pool_destroy'
drivers/usb/gadget/mv_u3d_core.c:1773: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `mv_u3d_probe':
drivers/usb/gadget/mv_u3d_core.c:1880: undefined reference to `dma_alloc_coherent'
drivers/usb/gadget/mv_u3d_core.c:1890: undefined reference to `dma_pool_create'
drivers/usb/gadget/mv_u3d_core.c:1984: undefined reference to `dma_pool_destroy'
drivers/usb/gadget/mv_u3d_core.c:1986: undefined reference to `dma_free_coherent'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Geert Uytterhoeven [Thu, 11 Jul 2013 13:54:03 +0000 (15:54 +0200)]
usb: gadget: USB_FOTG210_UDC should depend on HAS_DMA
If NO_DMA=y:
drivers/built-in.o: In function `fotg210_start_dma':
drivers/usb/gadget/fotg210-udc.c:354: undefined reference to `dma_map_single'
drivers/usb/gadget/fotg210-udc.c:357: undefined reference to `dma_mapping_error'
drivers/usb/gadget/fotg210-udc.c:362: undefined reference to `dma_sync_single_for_cpu'
drivers/usb/gadget/fotg210-udc.c:376: undefined reference to `dma_unmap_single'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Geert Uytterhoeven [Thu, 11 Jul 2013 13:54:02 +0000 (15:54 +0200)]
usb: gadget: USB_MV_UDC should depend on HAS_DMA
If NO_DMA=y:
drivers/built-in.o: In function `done':
drivers/usb/gadget/mv_udc_core.c:239: undefined reference to `dma_pool_free'
drivers/built-in.o: In function `build_dtd':
drivers/usb/gadget/mv_udc_core.c:371: undefined reference to `dma_pool_alloc'
drivers/built-in.o: In function `udc_prime_status':
drivers/usb/gadget/mv_udc_core.c:1465: undefined reference to `dma_map_single'
drivers/built-in.o: In function `mv_udc_remove':
drivers/usb/gadget/mv_udc_core.c:2087: undefined reference to `dma_pool_destroy'
drivers/usb/gadget/mv_udc_core.c:2090: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `mv_udc_probe':
drivers/usb/gadget/mv_udc_core.c:2190: undefined reference to `dma_alloc_coherent'
drivers/usb/gadget/mv_udc_core.c:2201: undefined reference to `dma_pool_create'
drivers/usb/gadget/mv_udc_core.c:2315: undefined reference to `dma_pool_destroy'
drivers/usb/gadget/mv_udc_core.c:2317: undefined reference to `dma_free_coherent'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Geert Uytterhoeven [Thu, 11 Jul 2013 13:54:00 +0000 (15:54 +0200)]
usb: dwc3: USB_DWC3 should depend on HAS_DMA
If NO_DMA=y:
drivers/built-in.o: In function `dwc3_free_one_event_buffer':
drivers/usb/dwc3/core.c:132: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `dwc3_alloc_one_event_buffer':
drivers/usb/dwc3/core.c:154: undefined reference to `dma_alloc_coherent'
drivers/built-in.o: In function `dma_set_coherent_mask':
include/linux/dma-mapping.h:93: undefined reference to `dma_supported'
drivers/built-in.o: In function `dwc3_free_trb_pool':
drivers/usb/dwc3/gadget.c:407: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `dwc3_gadget_exit':
drivers/usb/dwc3/gadget.c:2693: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `dwc3_alloc_trb_pool':
drivers/usb/dwc3/gadget.c:391: undefined reference to `dma_alloc_coherent'
drivers/built-in.o: In function `dwc3_gadget_init':
drivers/usb/dwc3/gadget.c:2598: undefined reference to `dma_alloc_coherent'
drivers/usb/dwc3/gadget.c:2667: undefined reference to `dma_free_coherent'
drivers/usb/dwc3/gadget.c:2674: undefined reference to `dma_free_coherent'
drivers/usb/dwc3/gadget.c:2678: undefined reference to `dma_free_coherent'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Andrzej Pietrasiewicz [Tue, 9 Jul 2013 06:14:39 +0000 (08:14 +0200)]
usb: gadget: Kconfig: Fix configfs-based RNDIS function build
USB_CONFIGFS_RNDIS depends on USB_U_RNDIS. Select it.
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Kuninori Morimoto [Tue, 9 Jul 2013 05:47:37 +0000 (22:47 -0700)]
usb: renesas_usbhs: gadget: remove extra check on udc_stop
usb_gadget_ops :: udc_stop might be called with driver = NULL since
511f3c5326eabe1ece35202a404c24c0aeacc246
(usb: gadget: udc-core: fix a regression during gadget driver unbinding)
Because of that, 2nd times insmod goes fail.
This patch fixes it up.
Reported-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Wei Yongjun [Thu, 4 Jul 2013 13:45:02 +0000 (21:45 +0800)]
usb: gadget: mv_u3d_core: fix to pass correct device identity to free_irq()
free_irq() expects the same device identity that was passed to
corresponding request_irq(), otherwise the IRQ is not freed.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Ruchika Kharwar [Thu, 4 Jul 2013 05:59:34 +0000 (00:59 -0500)]
usb: dwc3: fix the error returned with usb3_phy failure
When there is an error with the usb3_phy probe or absence, the error returned
is erroneously for usb2_phy.
Cc: <stable@vger.kernel.org>
Signed-off-by: Ruchika Kharwar <ruchika@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Huang Rui [Wed, 26 Jun 2013 17:08:11 +0000 (01:08 +0800)]
usb: dwc3: fix wrong bit mask in dwc3_event_type
Per dwc3 2.50a spec, the is_devspec bit is used to distinguish the
Device Endpoint-Specific Event or Device-Specific Event (DEVT). If the
bit is 1, the event is represented Device-Specific Event, then use
[7:1] bits as Device Specific Event to marked the type. It has 7 bits,
and we can see the reserved8_31 variable name which means from 8 to 31
bits marked reserved, actually there are 24 bits not 25 bits between
that. And 1 + 7 + 24 = 32, the event size is 4 byes.
So in dwc3_event_type, the bit mask should be:
is_devspec [0] 1 bit
type [7:1] 7 bits
reserved8_31 [31:8] 24 bits
This patch should be backported to kernels as old as 3.2, that contain
the commit
72246da40f3719af3bfd104a2365b32537c27d83 "usb: Introduce
DesignWare USB3 DRD Driver".
Cc: <stable@vger.kernel.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Boris BREZILLON [Tue, 25 Jun 2013 08:12:56 +0000 (10:12 +0200)]
usb: gadget: at91_udc: prepare clk before calling enable
Replace clk_enable/disable with clk_prepare_enable/disable_unprepare to
avoid common clk framework warnings.
Signed-off-by: Boris BREZILLON <b.brezillon@overkiz.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Yuan-Hsin Chen [Fri, 21 Jun 2013 14:50:47 +0000 (14:50 +0000)]
usb: gadget: fotg210-udc: remove __init and __exit
Remove __init and __exit from probe() and remove() and
would also fix the section mismatch issue.
Signed-off-by: Yuan-Hsin Chen <yhchen@faraday-tech.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Arnd Bergmann [Wed, 19 Jun 2013 11:27:27 +0000 (13:27 +0200)]
usb: gadget: at91_udc: call at91udc_of_init only when needed
This avoids a build error in at91sam9261_9g10_defconfig:
drivers/usb/gadget/at91_udc.c: In function 'at91udc_probe':
drivers/usb/gadget/at91_udc.c:1685:34: warning: 'flags' may be used uninitialized in this
function [-Wmaybe-uninitialized]
board->vbus_active_low = (flags & OF_GPIO_ACTIVE_LOW) ? 1 : 0;
^
drivers/usb/gadget/at91_udc.c:1678:21: note: 'flags' was declared here
enum of_gpio_flags flags;
^
Making the call to at91udc_of_init conditinal also reduces
the object code size without sacrificing build coverage.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Felipe Balbi [Mon, 15 Jul 2013 09:36:35 +0000 (12:36 +0300)]
usb: dwc3: gadget: don't prevent gadget from being probed if we fail
In case we fail our ->udc_start() callback, we
should be ready to accept another modprobe following
the failed one.
We had forgotten to clear dwc->gadget_driver back
to NULL and, because of that, we were preventing
gadget driver modprobe from being retried.
Cc: <stable@vger.kernel.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Linus Torvalds [Sun, 14 Jul 2013 22:18:27 +0000 (15:18 -0700)]
Linux 3.11-rc1
Linus Torvalds [Sun, 14 Jul 2013 22:14:29 +0000 (15:14 -0700)]
Merge branch 'slab/for-linus' of git://git./linux/kernel/git/penberg/linux
Pull slab update from Pekka Enberg:
"Highlights:
- Fix for boot-time problems on some architectures due to
init_lock_keys() not respecting kmalloc_caches boundaries
(Christoph Lameter)
- CONFIG_SLUB_CPU_PARTIAL requested by RT folks (Joonsoo Kim)
- Fix for excessive slab freelist draining (Wanpeng Li)
- SLUB and SLOB cleanups and fixes (various people)"
I ended up editing the branch, and this avoids two commits at the end
that were immediately reverted, and I instead just applied the oneliner
fix in between myself.
* 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
slub: Check for page NULL before doing the node_match check
mm/slab: Give s_next and s_stop slab-specific names
slob: Check for NULL pointer before calling ctor()
slub: Make cpu partial slab support configurable
slab: add kmalloc() to kernel API documentation
slab: fix init_lock_keys
slob: use DIV_ROUND_UP where possible
slub: do not put a slab to cpu partial list when cpu_partial is 0
mm/slub: Use node_nr_slabs and node_nr_objs in get_slabinfo
mm/slub: Drop unnecessary nr_partials
mm/slab: Fix /proc/slabinfo unwriteable for slab
mm/slab: Sharing s_next and s_stop between slab and slub
mm/slab: Fix drain freelist excessively
slob: Rework #ifdeffery in slab.h
mm, slab: moved kmem_cache_alloc_node comment to correct place
Steven Rostedt [Thu, 17 Jan 2013 18:10:58 +0000 (13:10 -0500)]
slub: Check for page NULL before doing the node_match check
In the -rt kernel (mrg), we hit the following dump:
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<
ffffffff811573f1>] kmem_cache_alloc_node+0x51/0x180
PGD
a2d39067 PUD
b1641067 PMD 0
Oops: 0000 [#1] PREEMPT SMP
Modules linked in: sunrpc cpufreq_ondemand ipv6 tg3 joydev sg serio_raw pcspkr k8temp amd64_edac_mod edac_core i2c_piix4 e100 mii shpchp ext4 mbcache jbd2 sd_mod crc_t10dif sr_mod cdrom sata_svw ata_generic pata_acpi pata_serverworks radeon ttm drm_kms_helper drm hwmon i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod
CPU 3
Pid: 20878, comm: hackbench Not tainted 3.6.11-rt25.14.el6rt.x86_64 #1 empty empty/Tyan Transport GT24-B3992
RIP: 0010:[<
ffffffff811573f1>] [<
ffffffff811573f1>] kmem_cache_alloc_node+0x51/0x180
RSP: 0018:
ffff8800a9b17d70 EFLAGS:
00010213
RAX:
0000000000000000 RBX:
0000000001200011 RCX:
ffff8800a06d8000
RDX:
0000000004d92a03 RSI:
00000000000000d0 RDI:
ffff88013b805500
RBP:
ffff8800a9b17dc0 R08:
ffff88023fd14d10 R09:
ffffffff81041cbd
R10:
00007f4e3f06e9d0 R11:
0000000000000246 R12:
ffff88013b805500
R13:
ffff8801ff46af40 R14:
0000000000000001 R15:
0000000000000000
FS:
00007f4e3f06e700(0000) GS:
ffff88023fd00000(0000) knlGS:
0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
CR2:
0000000000000000 CR3:
00000000a2d3a000 CR4:
00000000000007e0
DR0:
0000000000000000 DR1:
0000000000000000 DR2:
0000000000000000
DR3:
0000000000000000 DR6:
00000000ffff0ff0 DR7:
0000000000000400
Process hackbench (pid: 20878, threadinfo
ffff8800a9b16000, task
ffff8800a06d8000)
Stack:
ffff8800a9b17da0 ffffffff81202e08 ffff8800a9b17de0 000000d001200011
0000000001200011 0000000001200011 0000000000000000 0000000000000000
00007f4e3f06e9d0 0000000000000000 ffff8800a9b17e60 ffffffff81041cbd
Call Trace:
[<
ffffffff81202e08>] ? current_has_perm+0x68/0x80
[<
ffffffff81041cbd>] copy_process+0xdd/0x15b0
[<
ffffffff810a2125>] ? rt_up_read+0x25/0x30
[<
ffffffff8104369a>] do_fork+0x5a/0x360
[<
ffffffff8107c66b>] ? migrate_enable+0xeb/0x220
[<
ffffffff8100b068>] sys_clone+0x28/0x30
[<
ffffffff81527423>] stub_clone+0x13/0x20
[<
ffffffff81527152>] ? system_call_fastpath+0x16/0x1b
Code: 89 fc 89 75 cc 41 89 d6 4d 8b 04 24 65 4c 03 04 25 48 ae 00 00 49 8b 50 08 4d 8b 28 49 8b 40 10 4d 85 ed 74 12 41 83 fe ff 74 27 <48> 8b 00 48 c1 e8 3a 41 39 c6 74 1b 8b 75 cc 4c 89 c9 44 89 f2
RIP [<
ffffffff811573f1>] kmem_cache_alloc_node+0x51/0x180
RSP <
ffff8800a9b17d70>
CR2:
0000000000000000
---[ end trace
0000000000000002 ]---
Now, this uses SLUB pretty much unmodified, but as it is the -rt kernel
with CONFIG_PREEMPT_RT set, spinlocks are mutexes, although they do
disable migration. But the SLUB code is relatively lockless, and the
spin_locks there are raw_spin_locks (not converted to mutexes), thus I
believe this bug can happen in mainline without -rt features. The -rt
patch is just good at triggering mainline bugs ;-)
Anyway, looking at where this crashed, it seems that the page variable
can be NULL when passed to the node_match() function (which does not
check if it is NULL). When this happens we get the above panic.
As page is only used in slab_alloc() to check if the node matches, if
it's NULL I'm assuming that we can say it doesn't and call the
__slab_alloc() code. Is this a correct assumption?
Acked-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Sun, 14 Jul 2013 18:42:26 +0000 (11:42 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/viro/vfs
Pull more vfs stuff from Al Viro:
"O_TMPFILE ABI changes, Oleg's fput() series, misc cleanups, including
making simple_lookup() usable for filesystems with non-NULL s_d_op,
which allows us to get rid of quite a bit of ugliness"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
sunrpc: now we can just set ->s_d_op
cgroup: we can use simple_lookup() now
efivarfs: we can use simple_lookup() now
make simple_lookup() usable for filesystems that set ->s_d_op
configfs: don't open-code d_alloc_name()
__rpc_lookup_create_exclusive: pass string instead of qstr
rpc_create_*_dir: don't bother with qstr
llist: llist_add() can use llist_add_batch()
llist: fix/simplify llist_add() and llist_add_batch()
fput: turn "list_head delayed_fput_list" into llist_head
fs/file_table.c:fput(): add comment
Safer ABI for O_TMPFILE
Al Viro [Sun, 14 Jul 2013 13:55:39 +0000 (17:55 +0400)]
sunrpc: now we can just set ->s_d_op
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 14 Jul 2013 13:50:23 +0000 (17:50 +0400)]
cgroup: we can use simple_lookup() now
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 14 Jul 2013 13:48:35 +0000 (17:48 +0400)]
efivarfs: we can use simple_lookup() now
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 14 Jul 2013 13:43:25 +0000 (17:43 +0400)]
make simple_lookup() usable for filesystems that set ->s_d_op
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 14 Jul 2013 13:16:52 +0000 (17:16 +0400)]
configfs: don't open-code d_alloc_name()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 14 Jul 2013 13:09:57 +0000 (17:09 +0400)]
__rpc_lookup_create_exclusive: pass string instead of qstr
... and use d_hash_and_lookup() instead of open-coding it, for fsck sake...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sun, 14 Jul 2013 12:43:54 +0000 (16:43 +0400)]
rpc_create_*_dir: don't bother with qstr
just pass the name
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Linus Torvalds [Sun, 14 Jul 2013 01:08:23 +0000 (18:08 -0700)]
Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86
Pull x86 platform driver updates from Matthew Garrett:
"Nothing overly exciting here - a couple of new drivers that don't do a
great deal, along with some miscellaneous fixes and a couple of small
feature enablement patches"
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
x86 platform drivers: fix gpio leak
toshiba_acpi: Add dependency on SERIO_I8042
asus-nb-wmi: set wapf=4 for ASUSTeK COMPUTER INC. 1015E/U
Add trivial driver to disable Intel Smart Connect
Add support driver for Intel Rapid Start Technology
hp-wmi: add supports for POST code error
asus-wmi: control wlan-led only if wapf == 4
drivers/platform/x86/intel_ips: Convert to module_pci_driver
asus-nb-wmi: ignore ALS notification key code
asus-wmi: append newline to messages
x86: asus-laptop: fix invalid point access
x86: msi-laptop: fix memleak
amilo-rfkill: Add dependency on SERIO_I8042
dell-laptop: fix error return code in dell_init()
hp-wmi: Enable hotkeys on some systems
Linus Torvalds [Sun, 14 Jul 2013 01:05:13 +0000 (18:05 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input
Pull second round of input updates from Dmitry Torokhov:
"An update to Elantech driver to support hardware v7, fix to the new
cyttsp4 driver to use proper addressing, ads7846 device tree support
and nspire-keypad got a small cleanup."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: nspire-keypad - replace magic offset with define
Input: elantech - fix for newer hardware versions (v7)
Input: cyttsp4 - use 16bit address for I2C/SPI communication
Input: ads7846 - add device tree bindings
Input: ads7846 - make sure we do not change platform data
Linus Torvalds [Sun, 14 Jul 2013 00:42:22 +0000 (17:42 -0700)]
Merge git://git./linux/kernel/git/davem/net
Pull networking fixes from David Miller:
"Just a bunch of small fixes and tidy ups:
1) Finish the "busy_poll" renames, from Eliezer Tamir.
2) Fix RCU stalls in IFB driver, from Ding Tianhong.
3) Linearize buffers properly in tun/macvtap zerocopy code.
4) Don't crash on rmmod in vxlan, from Pravin B Shelar.
5) Spinlock used before init in alx driver, from Maarten Lankhorst.
6) A sparse warning fix in bnx2x broke TSO checksums, fix from Dmitry
Kravkov.
7) Dummy and ifb driver load failure paths can oops, fixes from Tan
Xiaojun and Ding Tianhong.
8) Correct MTU calculations in IP tunnels, from Alexander Duyck.
9) Account all TCP retransmits in SNMP stats properly, from Yuchung
Cheng.
10) atl1e and via-rhine do not handle DMA mapping failures properly,
from Neil Horman.
11) Various equal-cost multipath route fixes in ipv6 from Hannes
Frederic Sowa"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (36 commits)
ipv6: only static routes qualify for equal cost multipathing
via-rhine: fix dma mapping errors
atl1e: fix dma mapping warnings
tcp: account all retransmit failures
usb/net/r815x: fix cast to restricted __le32
usb/net/r8152: fix integer overflow in expression
net: access page->private by using page_private
net: strict_strtoul is obsolete, use kstrtoul instead
drivers/net/ieee802154: don't use devm_pinctrl_get_select_default() in probe
drivers/net/ethernet/cadence: don't use devm_pinctrl_get_select_default() in probe
drivers/net/can/c_can: don't use devm_pinctrl_get_select_default() in probe
net/usb: add relative mii functions for r815x
net/tipc: use %*phC to dump small buffers in hex form
qlcnic: Adding Maintainers.
gre: Fix MTU sizing check for gretap tunnels
pkt_sched: sch_qfq: remove forward declaration of qfq_update_agg_ts
pkt_sched: sch_qfq: improve efficiency of make_eligible
gso: Update tunnel segmentation to support Tx checksum offload
inet: fix spacing in assignment
ifb: fix oops when loading the ifb failed
...
Linus Torvalds [Sun, 14 Jul 2013 00:41:21 +0000 (17:41 -0700)]
Merge tag 'scsi-for-linus' of git://git./linux/kernel/git/jejb/scsi
Pull final round of SCSI updates from James Bottomley:
"This is the remaining set of SCSI patches for the merge window. It's
mostly driver updates (scsi_debug, qla2xxx, storvsc, mp3sas). There
are also several bug fixes in fcoe, libfc, and megaraid_sas. We also
have a couple of core changes to try to make device destruction more
deterministic"
* tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (46 commits)
[SCSI] scsi constants: command, sense key + additional sense strings
fcoe: Reduce number of sparse warnings
fcoe: Stop fc_rport_priv structure leak
libfcoe: Fix meaningless log statement
libfc: Differentiate echange timer cancellation debug statements
libfc: Remove extra space in fc_exch_timer_cancel definition
fcoe: fix the link error status block sparse warnings
fcoe: Fix smatch warning in fcoe_fdmi_info function
libfc: Reject PLOGI from nodes with incompatible role
[SCSI] enable destruction of blocked devices which fail LUN scanning
[SCSI] Fix race between starved list and device removal
[SCSI] megaraid_sas: fix a bug for 64 bit arches
[SCSI] scsi_debug: reduce duplication between prot_verify_read and prot_verify_write
[SCSI] scsi_debug: simplify offset calculation for dif_storep
[SCSI] scsi_debug: invalidate protection info for unmapped region
[SCSI] scsi_debug: fix NULL pointer dereference with parameters dif=0 dix=1
[SCSI] scsi_debug: fix incorrectly nested kmap_atomic()
[SCSI] scsi_debug: fix invalid address passed to kunmap_atomic()
[SCSI] mpt3sas: Bump driver version to v02.100.00.00
[SCSI] mpt3sas: when async scanning is enabled then while scanning, devices are removed but their transport layer entries are not removed
...
Linus Torvalds [Sat, 13 Jul 2013 22:37:57 +0000 (15:37 -0700)]
Merge branch 'sched-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
"Fix a potential deadlock versus hrtimers"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix HRTICK
Linus Torvalds [Sat, 13 Jul 2013 22:37:30 +0000 (15:37 -0700)]
Merge branch 'irq-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
- core fix for missing round up in the generic irq chip implementation
- new irq chip for MOXA SoCs
- a few fixes and cleanups in the irqchip drivers
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip: Add support for MOXA ART SoCs
genirq: generic chip: Use DIV_ROUND_UP to calculate numchips
irqchip: nvic: Fix wrong num_ct argument for irq_alloc_domain_generic_chips()
irqchip: sun4i: Staticize sun4i_irq_ack()
irqchip: vt8500: Staticize local symbols
Linus Torvalds [Sat, 13 Jul 2013 22:36:09 +0000 (15:36 -0700)]
Merge branch 'timers-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull timer updates from Thomas Gleixner:
- watchdog fixes for full dynticks
- improved debug output for full dynticks
- remove an obsolete full dynticks check
- two ARM SoC clocksource drivers for sharing across SoCs
- tick broadcast fix for CPU hotplug
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tick: broadcast: Check broadcast mode on CPU hotplug
clocksource: arm_global_timer: Add ARM global timer support
clocksource: Add Marvell Orion SoC timer
nohz: Remove obsolete check for full dynticks CPUs to be RCU nocbs
watchdog: Boot-disable by default on full dynticks
watchdog: Rename confusing state variable
watchdog: Register / unregister watchdog kthreads on sysctl control
nohz: Warn if the machine can not perform nohz_full
Linus Torvalds [Sat, 13 Jul 2013 22:35:47 +0000 (15:35 -0700)]
Merge branch 'perf-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull perf fixes from Thomas Gleixner:
- fix for do_div() abuse on x86
- locking fix in perf core
- a pile of (build) fixes and cleanups in perf tools
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (27 commits)
perf/x86: Fix incorrect use of do_div() in NMI warning
perf: Fix perf_lock_task_context() vs RCU
perf: Remove WARN_ON_ONCE() check in __perf_event_enable() for valid scenario
perf: Clone child context from parent context pmu
perf script: Fix broken include in Context.xs
perf tools: Fix -ldw/-lelf link test when static linking
perf tools: Revert regression in configuration of Python support
perf tools: Fix perf version generation
perf stat: Fix per-socket output bug for uncore events
perf symbols: Fix vdso list searching
perf evsel: Fix missing increment in sample parsing
perf tools: Update symbol_conf.nr_events when processing attribute events
perf tools: Fix new_term() missing free on error path
perf tools: Fix parse_events_terms() segfault on error path
perf evsel: Fix count parameter to read call in event_format__new
perf tools: fix a typo of a Power7 event name
perf tools: Fix -x/--exclude-other option for report command
perf evlist: Enhance perf_evlist__start_workload()
perf record: Remove -f/--force option
perf record: Remove -A/--append option
...
Linus Torvalds [Sat, 13 Jul 2013 22:35:12 +0000 (15:35 -0700)]
Merge branch 'core-urgent-for-linus' of git://git./linux/kernel/git/tip/tip
Pull core locking updates from Thomas Gleixner:
"Header cleanup as requested by Linus"
(This is the "don't include support for ww_mutex in a header file that
everybody wants, when almost nobody wants the ww part" change)
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
mutex: Move ww_mutex definitions to ww_mutex.h
Linus Torvalds [Sat, 13 Jul 2013 22:00:26 +0000 (15:00 -0700)]
Merge tag 'fixes-for-linus' of git://git./linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"This is our first set of fixes from arm-soc for 3.11.
- A handful of build and warning fixes from Arnd
- A collection of OMAP fixes
- defconfig updates to make the default configs more useful for real
use (and testing) out of the box on hardware
And a couple of other small fixes. Some of these have been recently
applied but it's normally how we deal with fixes, with less bake time
in -next needed"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (32 commits)
arm: multi_v7_defconfig: Tweaks for omap and sunxi
arm: multi_v7_defconfig: add i.MX options and NFS root
ARM: omap2: add select of TI_PRIV_EDMA
ARM: exynos: select PM_GENERIC_DOMAINS only when used
ARM: ixp4xx: avoid circular header dependency
ARM: OMAP: omap_common_late_init may be unused
ARM: sti: move DEBUG_STI_UART into alphabetical order
ARM: OMAP: build mach-omap code only if needed
ARM: zynq: use DT_MACHINE_START
ARM: omap5: omap5 has SCU and TWD
ARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support
ARM: OMAP2+: Enable TI_EDMA in omap2plus_defconfig
ARM: OMAP2+: omap2plus_defconfig: enable DRA752 thermal support by default
ARM: OMAP2+: omap2plus_defconfig: enable TI bandgap driver
ARM: OMAP2+: devices: remove duplicated include from devices.c
ARM: OMAP3: igep0020: Set DSS pins in correct mux mode.
ARM: OMAP2+: N900: enable N900-specific drivers even if device tree is enabled
ARM: OMAP2+: Cocci spatch "ptr_ret.spatch"
ARM: OMAP2+: Remove obsolete Makefile line
ARM: OMAP5: Enable Cortex A15 errata 798181
...
Linus Torvalds [Sat, 13 Jul 2013 21:58:36 +0000 (14:58 -0700)]
Merge branch 'fixes' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM fixes from Russell King:
"A few fixes for ARM, mostly just one liners with the exception of the
missing section specification. We decided not to rely on .previous to
fix this but to explicitly state the section we want the code to be
in."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7778/1: smp_twd: twd_update_frequency need be run on all online CPUs
ARM: 7782/1: Kconfig: Let ARM_ERRATA_364296 not depend on CONFIG_SMP
ARM: mm: fix boot on SA1110 Assabet
ARM: 7781/1: mmu: Add debug_ll_io_init() mappings to early mappings
ARM: 7780/1: add missing linker section markup to head-common.S
Linus Torvalds [Sat, 13 Jul 2013 21:52:21 +0000 (14:52 -0700)]
Merge branch 'upstream' of git://git.linux-mips.org/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
"MIPS updates:
- All the things that didn't make 3.10.
- Removes the Windriver PPMC platform. Nobody will miss it.
- Remove a workaround from kernel/irq/irqdomain.c which was there
exclusivly for MIPS. Patch by Grant Likely.
- More small improvments for the SEAD 3 platform
- Improvments on the BMIPS / SMP support for the BCM63xx series.
- Various cleanups of dead leftovers.
- Platform support for the Cavium Octeon-based EdgeRouter Lite.
Two large KVM patchsets didn't make it for this pull request because
their respective authors are vacationing"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (124 commits)
MIPS: Kconfig: Add missing MODULES dependency to VPE_LOADER
MIPS: BCM63xx: CLK: Add dummy clk_{set,round}_rate() functions
MIPS: SEAD3: Disable L2 cache on SEAD-3.
MIPS: BCM63xx: Enable second core SMP on BCM6328 if available
MIPS: BCM63xx: Add SMP support to prom.c
MIPS: define write{b,w,l,q}_relaxed
MIPS: Expose missing pci_io{map,unmap} declarations
MIPS: Malta: Update GCMP detection.
Revert "MIPS: make CAC_ADDR and UNCAC_ADDR account for PHYS_OFFSET"
MIPS: APSP: Remove <asm/kspd.h>
SSB: Kconfig: Amend SSB_EMBEDDED dependencies
MIPS: microMIPS: Fix improper definition of ISA exception bit.
MIPS: Don't try to decode microMIPS branch instructions where they cannot exist.
MIPS: Declare emulate_load_store_microMIPS as a static function.
MIPS: Fix typos and cleanup comment
MIPS: Cleanup indentation and whitespace
MIPS: BMIPS: support booting from physical CPU other than 0
MIPS: Only set cpu_has_mmips if SYS_SUPPORTS_MICROMIPS
MIPS: GIC: Fix gic_set_affinity infinite loop
MIPS: Don't save/restore OCTEON wide multiplier state on syscalls.
...
Linus Torvalds [Sat, 13 Jul 2013 20:42:54 +0000 (13:42 -0700)]
Merge git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- lots of devm_ conversions and cleanup
- platform_set_drvdata cleanups
- s3c2410: dev_err/dev_info + dev_pm_ops
- watchdog_core: don't try to stop device if not running fix
- wdrtas: use print_hex_dump
- xilinx cleanups
- orion_wdt fixes
- softdog cleanup
- hpwdt: check on UEFI bits
- deletion of mpcore_wdt driver
- addition of broadcom BCM2835 watchdog timer driver
- addition of MEN A21 watcdog devices
* git://www.linux-watchdog.org/linux-watchdog: (38 commits)
watchdog: hpwdt: Add check for UEFI bits
watchdog: softdog: remove replaceable ping operation
watchdog: New watchdog driver for MEN A21 watchdogs
Watchdog: fix clearing of the watchdog interrupt
Watchdog: allow orion_wdt to be built for Dove
watchdog: Add Broadcom BCM2835 watchdog timer driver
watchdog: delete mpcore_wdt driver
watchdog: xilinx: Setup the origin compatible string
watchdog: xilinx: Fix driver header
watchdog: wdrtas: don't use custom version of print_hex_dump
watchdog: core: don't try to stop device if not running
watchdog: jz4740: Pass device to clk_get
watchdog: twl4030: Remove redundant platform_set_drvdata()
watchdog: mpcore: Remove redundant platform_set_drvdata()
watchdog: da9055: use platform_{get,set}_drvdata()
watchdog: da9052: use platform_{get,set}_drvdata()
watchdog: cpwd: use platform_{get,set}_drvdata()
watchdog: s3c2410_wdt: convert s3c2410wdt to dev_pm_ops
watchdog: s3c2410_wdt: use dev_err()/dev_info() instead of pr_err()/pr_info()
watchdog: wm831x: use platform_{get,set}_drvdata()
...
Linus Torvalds [Sat, 13 Jul 2013 19:57:21 +0000 (12:57 -0700)]
Merge tag 'rdma-for-linus' of git://git./linux/kernel/git/roland/infiniband
Pull InfiniBand/RDMA changes from Roland Dreier:
- AF_IB (native IB addressing) for CMA from Sean Hefty
- new mlx5 driver for Mellanox Connect-IB adapters (including post
merge request fixes)
- SRP fixes from Bart Van Assche (including fix to first merge request)
- qib HW driver updates
- resurrection of ocrdma HW driver development
- uverbs conversion to create fds with O_CLOEXEC set
- other small changes and fixes
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (66 commits)
mlx5: Return -EFAULT instead of -EPERM
IB/qib: Log all SDMA errors unconditionally
IB/qib: Fix module-level leak
mlx5_core: Adjust hca_cap.uar_page_sz to conform to Connect-IB spec
IB/srp: Let srp_abort() return FAST_IO_FAIL if TL offline
IB/uverbs: Use get_unused_fd_flags(O_CLOEXEC) instead of get_unused_fd()
mlx5_core: Fixes for sparse warnings
IB/mlx5: Make profile[] static in main.c
mlx5: Fix parameter type of health_handler_t
mlx5: Add driver for Mellanox Connect-IB adapters
IB/core: Add reserved values to enums for low-level driver use
IB/srp: Bump driver version and release date
IB/srp: Make HCA completion vector configurable
IB/srp: Maintain a single connection per I_T nexus
IB/srp: Fail I/O fast if target offline
IB/srp: Skip host settle delay
IB/srp: Avoid skipping srp_reset_host() after a transport error
IB/srp: Fix remove_one crash due to resource exhaustion
IB/qib: New transmitter tunning settings for Dell 1.1 backplane
IB/core: Fix error return code in add_port()
...
Linus Torvalds [Sat, 13 Jul 2013 19:09:57 +0000 (12:09 -0700)]
Merge branch 'v4l_for_linus' of git://git./linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"This series contain:
- new i2c video drivers: ml86v7667 (video decoder),
ths8200 (video encoder)
- a new video driver for EasyCap cards based on Fushicai USBTV007
- Improved support for OF and embedded systems, with V4L2 async
initialization and a better support for clocks
- API cleanups on the ioctls used by the v4l2 debug tool
- Lots of cleanups
- As usual, several driver improvements and new cards additions
- Revert two changesets that change the minimal symbol rate for
stv0399, as request by Manu
- Update MAINTAINERS and other files to point to my new e-mail"
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (378 commits)
MAINTAINERS & ABI: Update to point to my new email
[media] stb0899: restore minimal rate to 5Mbauds
[media] exynos4-is: Correct colorspace handling at FIMC-LITE
[media] exynos4-is: Set valid initial format on FIMC.n subdevs
[media] exynos4-is: Set valid initial format on FIMC-IS-ISP subdev pads
[media] exynos4-is: Fix format propagation on FIMC-IS-ISP subdev
[media] exynos4-is: Set valid initial format at FIMC-LITE
[media] exynos4-is: Fix format propagation on FIMC-LITE.n subdevs
[media] MAINTAINERS: Update S5P/Exynos FIMC driver entry
[media] Documentation: Update driver's directory in video4linux/fimc.txt
[media] exynos4-is: Change fimc-is firmware file names
[media] exynos4-is: Add support for Exynos5250 MIPI-CSIS
[media] exynos4-is: Add Exynos5250 SoC support to fimc-lite driver
[media] exynos4-is: Drop drvdata handling in fimc-lite for non-dt platforms
[media] media: i2c: tvp514x: remove manual setting of subdev name
[media] media: i2c: tvp7002: remove manual setting of subdev name
[media] mem2mem: set missing v4l2_dev pointer
[media] wl128x: add missing struct v4l2_device
[media] tvp514x: Fix init seqeunce
[media] saa7134: Fix sparse warnings by adding __user annotation
...
Linus Torvalds [Sat, 13 Jul 2013 18:40:24 +0000 (11:40 -0700)]
Merge tag 'for-linus-v3.11-rc1-2' of git://oss.sgi.com/xfs/xfs
Pull more xfs updates from Ben Myers:
"Here are a fix for xfs_fsr, a cleanup in bulkstat, a cleanup in
xfs_open_by_handle, updated mount options documentation, a cleanup in
xfs_bmapi_write, a fix for the size of dquot log reservations, a fix
for sgid inheritance when acls are in use, a fix for cleaning up
quotainfo structures, and some more of the work which allows group and
project quotas to be used together.
We had a few more in this last quota category that we might have liked
to get in, but it looks there are still a few items that need to be
addressed.
- fix for xfs_fsr returning -EINVAL
- cleanup in xfs_bulkstat
- cleanup in xfs_open_by_handle
- update mount options documentation
- clean up local format handling in xfs_bmapi_write
- fix dquot log reservations which were too small
- fix sgid inheritance for subdirectories when default acls are in use
- add project quota fields to various structures
- fix teardown of quotainfo structures when quotas are turned off"
* tag 'for-linus-v3.11-rc1-2' of git://oss.sgi.com/xfs/xfs:
xfs: Fix the logic check for all quotas being turned off
xfs: Add pquota fields where gquota is used.
xfs: fix sgid inheritance for subdirectories inheriting default acls [V3]
xfs: dquot log reservations are too small
xfs: remove local fork format handling from xfs_bmapi_write()
xfs: update mount options documentation
xfs: use get_unused_fd_flags(0) instead of get_unused_fd()
xfs: clean up unused codes at xfs_bulkstat()
xfs: use XFS_BMAP_BMDR_SPACE vs. XFS_BROOT_SIZE_ADJ
Linus Torvalds [Sat, 13 Jul 2013 18:20:49 +0000 (11:20 -0700)]
Merge branch 'for-linus' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French:
"Fixes for 4 cifs bugs, including a reconnect problem, a problem
parsing responses to SMB2 open request, and setting nlink incorrectly
to some servers which don't report it properly on the wire. Also
improves data integrity on reconnect with series from Pavel which adds
durable handle support for SMB2."
* 'for-linus' of git://git.samba.org/sfrench/cifs-2.6:
CIFS: Fix a deadlock when a file is reopened
CIFS: Reopen the file if reconnect durable handle failed
[CIFS] Fix minor endian error in durable handle patch series
CIFS: Reconnect durable handles for SMB2
CIFS: Make SMB2_open use cifs_open_parms struct
CIFS: Introduce cifs_open_parms struct
CIFS: Request durable open for SMB2 opens
CIFS: Simplify SMB2 create context handling
CIFS: Simplify SMB2_open code path
CIFS: Respect create_options in smb2_open_file
CIFS: Fix lease context buffer parsing
[CIFS] use sensible file nlink values if unprovided
Limit allocation of crypto mechanisms to dialect which requires
Oleg Nesterov [Mon, 8 Jul 2013 21:24:19 +0000 (14:24 -0700)]
llist: llist_add() can use llist_add_batch()
llist_add(new, head) can simply use llist_add_batch(new, new, head),
no need to duplicate the code.
This obviously uninlines llist_add() and to me this is a win. But we
can make llist_add_batch() inline if this is desirable, in this case
gcc can notice that new_first == new_last if the caller is llist_add().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrey Vagin <avagin@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Oleg Nesterov [Mon, 8 Jul 2013 21:24:18 +0000 (14:24 -0700)]
llist: fix/simplify llist_add() and llist_add_batch()
1. This is mostly theoretical, but llist_add*() need ACCESS_ONCE().
Otherwise it is not guaranteed that the first cmpxchg() uses the
same value for old_entry and new_last->next.
2. These helpers cache the result of cmpxchg() and read the initial
value of head->first before the main loop. I do not think this
makes sense. In the likely case cmpxchg() succeeds, otherwise
it doesn't hurt to reload head->first.
I think it would be better to simplify the code and simply read
->first before cmpxchg().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrey Vagin <avagin@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Oleg Nesterov [Mon, 8 Jul 2013 21:24:16 +0000 (14:24 -0700)]
fput: turn "list_head delayed_fput_list" into llist_head
fput() and delayed_fput() can use llist and avoid the locking.
This is unlikely path, it is not that this change can improve
the performance, but this way the code looks simpler.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrey Vagin <avagin@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Andrew Morton [Mon, 8 Jul 2013 21:24:15 +0000 (14:24 -0700)]
fs/file_table.c:fput(): add comment
A missed update to "fput: task_work_add() can fail if the caller has
passed exit_task_work()".
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Andrey Vagin <avagin@openvz.org>
Cc: David Howells <dhowells@redhat.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Al Viro [Sat, 13 Jul 2013 09:26:37 +0000 (13:26 +0400)]
Safer ABI for O_TMPFILE
[suggested by Rasmus Villemoes] make O_DIRECTORY | O_RDWR part of O_TMPFILE;
that will fail on old kernels in a lot more cases than what I came up with.
And make sure O_CREAT doesn't get there...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Olof Johansson [Sat, 13 Jul 2013 03:00:20 +0000 (20:00 -0700)]
arm: multi_v7_defconfig: Tweaks for omap and sunxi
OMAP recently changed how the platforms are configured, so OMAP2/3/4 SoC
support is no longer enabled by default. Add them back.
Enable new ethernet driver for sunxi.
The i.MX console options moved due to resorting, no functional change.
Signed-off-by: Olof Johansson <olof@lixom.net>
Dmitry Torokhov [Sat, 13 Jul 2013 06:34:25 +0000 (23:34 -0700)]
Merge branch 'next' into for-linus
Bring in second round of updates for 3.11.
James Bottomley [Sat, 13 Jul 2013 04:22:56 +0000 (08:22 +0400)]
Merge tag 'fcoe' into for-linus
A short series of fixes to libfc, libfcoe and fcoe.
Most patches fix formatting problems, one changes
the behavior of which discovered ports can/will be
logged into and another fixes a memory leak.
Hannes Frederic Sowa [Fri, 12 Jul 2013 21:46:33 +0000 (23:46 +0200)]
ipv6: only static routes qualify for equal cost multipathing
Static routes in this case are non-expiring routes which did not get
configured by autoconf or by icmpv6 redirects.
To make sure we actually get an ecmp route while searching for the first
one in this fib6_node's leafs, also make sure it matches the ecmp route
assumptions.
v2:
a) Removed RTF_EXPIRE check in dst.from chain. The check of RTF_ADDRCONF
already ensures that this route, even if added again without
RTF_EXPIRES (in case of a RA announcement with infinite timeout),
does not cause the rt6i_nsiblings logic to go wrong if a later RA
updates the expiration time later.
v3:
a) Allow RTF_EXPIRES routes to enter the ecmp route set. We have to do so,
because an pmtu event could update the RTF_EXPIRES flag and we would
not count this route, if another route joins this set. We now filter
only for RTF_GATEWAY|RTF_ADDRCONF|RTF_DYNAMIC, which are flags that
don't get changed after rt6_info construction.
Cc: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Neil Horman [Fri, 12 Jul 2013 17:35:33 +0000 (13:35 -0400)]
via-rhine: fix dma mapping errors
this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=951695
Reported a dma debug backtrace:
WARNING: at lib/dma-debug.c:937 check_unmap+0x47d/0x930()
Hardware name: To Be Filled By O.E.M.
via-rhine 0000:00:12.0: DMA-API: device driver failed to check map error[device
address=0x0000000075a837b2] [size=90 bytes] [mapped as single]
Modules linked in: ip6_tables gspca_spca561 gspca_main videodev media
snd_hda_codec_realtek snd_hda_intel i2c_viapro snd_hda_codec snd_hwdep snd_seq
ppdev mperf via_rhine coretemp snd_pcm mii microcode snd_page_alloc snd_timer
snd_mpu401 snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore parport_pc
parport shpchp ata_generic pata_acpi radeon i2c_algo_bit drm_kms_helper ttm drm
pata_via sata_via i2c_core uinput
Pid: 295, comm: systemd-journal Not tainted 3.9.0-0.rc6.git2.1.fc20.x86_64 #1
Call Trace:
<IRQ> [<
ffffffff81068dd0>] warn_slowpath_common+0x70/0xa0
[<
ffffffff81068e4c>] warn_slowpath_fmt+0x4c/0x50
[<
ffffffff8137ec6d>] check_unmap+0x47d/0x930
[<
ffffffff810ace9f>] ? local_clock+0x5f/0x70
[<
ffffffff8137f17f>] debug_dma_unmap_page+0x5f/0x70
[<
ffffffffa0225edc>] ? rhine_ack_events.isra.14+0x3c/0x50 [via_rhine]
[<
ffffffffa02275f8>] rhine_napipoll+0x1d8/0xd80 [via_rhine]
[<
ffffffff815d3d51>] ? net_rx_action+0xa1/0x380
[<
ffffffff815d3e22>] net_rx_action+0x172/0x380
[<
ffffffff8107345f>] __do_softirq+0xff/0x400
[<
ffffffff81073925>] irq_exit+0xb5/0xc0
[<
ffffffff81724cd6>] do_IRQ+0x56/0xc0
[<
ffffffff81719ff2>] common_interrupt+0x72/0x72
<EOI> [<
ffffffff8170ff57>] ? __slab_alloc+0x4c2/0x526
[<
ffffffff811992e0>] ? mmap_region+0x2b0/0x5a0
[<
ffffffff810d5807>] ? __lock_is_held+0x57/0x80
[<
ffffffff811992e0>] ? mmap_region+0x2b0/0x5a0
[<
ffffffff811bf1bf>] kmem_cache_alloc+0x2df/0x360
[<
ffffffff811992e0>] mmap_region+0x2b0/0x5a0
[<
ffffffff811998e6>] do_mmap_pgoff+0x316/0x3d0
[<
ffffffff81183ca0>] vm_mmap_pgoff+0x90/0xc0
[<
ffffffff81197d6c>] sys_mmap_pgoff+0x4c/0x190
[<
ffffffff81367d7e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
[<
ffffffff8101eb42>] sys_mmap+0x22/0x30
[<
ffffffff81722fd9>] system_call_fastpath+0x16/0x1b
Usual problem with the usual fix, add the appropriate calls to dma_mapping_error
where appropriate
Untested, as I don't have hardware, but its pretty straightforward
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: David S. Miller <davem@davemloft.net>
CC: Roger Luethi <rl@hellgate.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Neil Horman [Fri, 12 Jul 2013 14:58:48 +0000 (10:58 -0400)]
atl1e: fix dma mapping warnings
Recently had this backtrace reported:
WARNING: at lib/dma-debug.c:937 check_unmap+0x47d/0x930()
Hardware name: System Product Name
ATL1E 0000:02:00.0: DMA-API: device driver failed to check map error[device
address=0x00000000cbfd1000] [size=90 bytes] [mapped as single]
Modules linked in: xt_conntrack nf_conntrack ebtable_filter ebtables
ip6table_filter ip6_tables snd_hda_codec_hdmi snd_hda_codec_realtek iTCO_wdt
iTCO_vendor_support snd_hda_intel acpi_cpufreq mperf coretemp btrfs zlib_deflate
snd_hda_codec snd_hwdep microcode raid6_pq libcrc32c snd_seq usblp serio_raw xor
snd_seq_device joydev snd_pcm snd_page_alloc snd_timer snd lpc_ich i2c_i801
soundcore mfd_core atl1e asus_atk0110 ata_generic pata_acpi radeon i2c_algo_bit
drm_kms_helper ttm drm i2c_core pata_marvell uinput
Pid: 314, comm: systemd-journal Not tainted 3.9.0-0.rc6.git2.3.fc19.x86_64 #1
Call Trace:
<IRQ> [<
ffffffff81069106>] warn_slowpath_common+0x66/0x80
[<
ffffffff8106916c>] warn_slowpath_fmt+0x4c/0x50
[<
ffffffff8138151d>] check_unmap+0x47d/0x930
[<
ffffffff810ad048>] ? sched_clock_cpu+0xa8/0x100
[<
ffffffff81381a2f>] debug_dma_unmap_page+0x5f/0x70
[<
ffffffff8137ce30>] ? unmap_single+0x20/0x30
[<
ffffffffa01569a1>] atl1e_intr+0x3a1/0x5b0 [atl1e]
[<
ffffffff810d53fd>] ? trace_hardirqs_off+0xd/0x10
[<
ffffffff81119636>] handle_irq_event_percpu+0x56/0x390
[<
ffffffff811199ad>] handle_irq_event+0x3d/0x60
[<
ffffffff8111cb6a>] handle_fasteoi_irq+0x5a/0x100
[<
ffffffff8101c36f>] handle_irq+0xbf/0x150
[<
ffffffff811dcb2f>] ? file_sb_list_del+0x3f/0x50
[<
ffffffff81073b10>] ? irq_enter+0x50/0xa0
[<
ffffffff8172738d>] do_IRQ+0x4d/0xc0
[<
ffffffff811dcb2f>] ? file_sb_list_del+0x3f/0x50
[<
ffffffff8171c6b2>] common_interrupt+0x72/0x72
<EOI> [<
ffffffff810db5b2>] ? lock_release+0xc2/0x310
[<
ffffffff8109ea04>] lg_local_unlock_cpu+0x24/0x50
[<
ffffffff811dcb2f>] file_sb_list_del+0x3f/0x50
[<
ffffffff811dcb6d>] fput+0x2d/0xc0
[<
ffffffff811d8ea1>] filp_close+0x61/0x90
[<
ffffffff811fae4d>] __close_fd+0x8d/0x150
[<
ffffffff811d8ef0>] sys_close+0x20/0x50
[<
ffffffff81725699>] system_call_fastpath+0x16/0x1b
The usual straighforward failure to check for dma_mapping_error after a map
operation is completed.
This patch should fix it, the reporter wandered off after filing this bz:
https://bugzilla.redhat.com/show_bug.cgi?id=954170
and I don't have hardware to test, but the fix is pretty straightforward, so I
figured I'd post it for review.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Jay Cliburn <jcliburn@gmail.com>
CC: Chris Snook <chris.snook@gmail.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Yuchung Cheng [Fri, 12 Jul 2013 18:33:04 +0000 (11:33 -0700)]
tcp: account all retransmit failures
Change snmp RETRANSFAILS stat to include timeout retransmit failures
in addition to other loss recoveries.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hayeswang [Fri, 12 Jul 2013 08:26:16 +0000 (16:26 +0800)]
usb/net/r815x: fix cast to restricted __le32
>> drivers/net/usb/r815x.c:38:16: sparse: cast to restricted __le32
>> drivers/net/usb/r815x.c:67:15: sparse: cast to restricted __le32
>> drivers/net/usb/r815x.c:69:13: sparse: incorrect type in assignment (different base types)
drivers/net/usb/r815x.c:69:13: expected unsigned int [unsigned] [addressable] [assigned] [usertype] tmp
drivers/net/usb/r815x.c:69:13: got restricted __le32 [usertype] <noident>
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Spotted-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hayeswang [Fri, 12 Jul 2013 08:26:15 +0000 (16:26 +0800)]
usb/net/r8152: fix integer overflow in expression
config: make ARCH=avr32 allyesconfig
drivers/net/usb/r8152.c: In function 'rtl8152_start_xmit':
drivers/net/usb/r8152.c:956: warning: integer overflow in expression
955 memset(tx_desc, 0, sizeof(*tx_desc));
> 956 tx_desc->opts1 = cpu_to_le32((len & TX_LEN_MASK) | TX_FS | TX_LS);
957 tp->tx_skb = skb;
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Spotted-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sunghan Suh [Fri, 12 Jul 2013 07:17:23 +0000 (16:17 +0900)]
net: access page->private by using page_private
Signed-off-by: Sunghan Suh <sunghan.suh@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
“Cosmin [Fri, 12 Jul 2013 06:33:33 +0000 (09:33 +0300)]
net: strict_strtoul is obsolete, use kstrtoul instead
patch found using checkpatch.pl
Signed-off-by: Cosmin Stanescu <cosmin90stanescu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Olof Johansson [Fri, 12 Jul 2013 18:06:01 +0000 (11:06 -0700)]
Merge tag 'ux500-defconfig-for-arm-soc' of git://git./linux/kernel/git/linusw/linux-stericsson into fixes
From Linus Walleij:
Ux500 defconfig changes:
- Update base due to different Kconfig changes
- Select watchdog, MUSB, Ux500 ALSA SoC, various MMC/SD
features and enable highmem
* tag 'ux500-defconfig-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: Enable HIGHMEM in the u8500 defconfig
ARM: ux500: Update MMC configs for u8500 defconfig
ARM: ux500: select SND_SOC_UX500 for ux500
ARM: ux500: update defconfig base
ARM: ux500: select WATCHDOG and MUSB for ux500
Signed-off-by: Olof Johansson <olof@lixom.net>
Vincent Stehlé [Wed, 3 Jul 2013 08:12:58 +0000 (10:12 +0200)]
arm: multi_v7_defconfig: add i.MX options and NFS root
- Add i.MX serial console support. This gives us the boot messages on
UART on e.g. the i.MX6Q sabre sd platform.
- Add the necessary config options, to allow booting with NFS root on
an i.MX6 sabre sd.
- Add Freescale LPUART serial console support. This gives us the boot
messages on UART on e.g. the Vybrid VF610 Tower board.
Signed-off-by: Vincent Stehlé <vincent.stehle@freescale.com>
Cc: Russell King <linux@arm.linux.org.uk>
[olof: squashed three commits down to one]
Signed-off-by: Olof Johansson <olof@lixom.net>
Olof Johansson [Fri, 12 Jul 2013 17:59:39 +0000 (10:59 -0700)]
Merge tag 'omap-for-v3.11/fixes-for-merge-window' of git://git./linux/kernel/git/tmlind/linux-omap into fixes
Omap fixes and minor defconfig updates that would be good to
get in before -rc1.
* tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support
ARM: OMAP2+: Enable TI_EDMA in omap2plus_defconfig
ARM: OMAP2+: omap2plus_defconfig: enable DRA752 thermal support by default
ARM: OMAP2+: omap2plus_defconfig: enable TI bandgap driver
ARM: OMAP2+: devices: remove duplicated include from devices.c
ARM: OMAP3: igep0020: Set DSS pins in correct mux mode.
ARM: OMAP2+: N900: enable N900-specific drivers even if device tree is enabled
ARM: OMAP2+: Cocci spatch "ptr_ret.spatch"
ARM: OMAP2+: Remove obsolete Makefile line
ARM: OMAP5: Enable Cortex A15 errata 798181
ARM: scu: provide inline dummy functions when SCU is not present
ARM: OMAP4: sleep: build OMAP4 specific functions only for OMAP4
ARM: OMAP2+: timer: initialize before using oh_name
Signed-off-by: Olof Johansson <olof@lixom.net>
Add/move/change conflicts in arch/arm/mach-omap2/Kconfig resolved.
Ralf Baechle [Tue, 2 Jul 2013 15:19:04 +0000 (17:19 +0200)]
Merge branch '3.10-fixes' into mips-for-linux-next
This that should have been fixed but weren't, way to much, intrusive
and late.
Thomas Gleixner [Fri, 12 Jul 2013 15:10:30 +0000 (17:10 +0200)]
Merge branch 'timers/clockevents' of git://git.linaro.org/people/dlezcano/clockevents into timers/urgent
* New clocksource drivers for ARM SoCs to share
Dave Hansen [Mon, 8 Jul 2013 21:44:04 +0000 (14:44 -0700)]
perf/x86: Fix incorrect use of do_div() in NMI warning
I completely botched understanding the calling conventions of
do_div(). I assumed that do_div() returned the result instead
of realizing that it modifies its argument and returns a
remainder. The side-effect from this would be bogus numbers
for the "msecs" value in the warning messages:
INFO: NMI handler (perf_event_nmi_handler) took too long to run: 0.114 msecs
Note, there was a second fix posted by Stephane Eranian for
a separate patch which I also botched:
http://lkml.kernel.org/r/
20130704223010.GA30625@quad
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Dave Hansen <dave@sr71.net>
Link: http://lkml.kernel.org/r/20130708214404.B0B6EA66@viggo.jf.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Peter Zijlstra [Fri, 28 Jun 2013 09:18:53 +0000 (11:18 +0200)]
sched: Fix HRTICK
David reported that the HRTICK sched feature was borken; which was enough
motivation for me to finally fix it ;-)
We should not allow hrtimer code to do softirq wakeups while holding scheduler
locks. The hrtimer code only needs this when we accidentally try to program an
expired time. We don't much care about those anyway since we have the regular
tick to fall back to.
Reported-by: David Ahern <dsahern@gmail.com>
Tested-by: David Ahern <dsahern@gmail.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20130628091853.GE29209@dyad.programming.kicks-ass.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Stephen Boyd [Thu, 11 Jul 2013 14:00:59 +0000 (07:00 -0700)]
tick: broadcast: Check broadcast mode on CPU hotplug
On ARM systems the dummy clockevent is registered with the cpu
hotplug notifier chain before any other per-cpu clockevent. This
has the side-effect of causing the dummy clockevent to be
registered first in every hotplug sequence. Because the dummy is
first, we'll try to turn the broadcast source on but the code in
tick_device_uses_broadcast() assumes the broadcast source is in
periodic mode and calls tick_broadcast_start_periodic()
unconditionally.
On boot this isn't a problem because we typically haven't
switched into oneshot mode yet (if at all). During hotplug, if
the broadcast source isn't in periodic mode we'll replace the
broadcast oneshot handler with the broadcast periodic handler and
start emulating oneshot mode when we shouldn't. Due to the way
the broadcast oneshot handler programs the next_event it's
possible for it to contain KTIME_MAX and cause us to hang the
system when the periodic handler tries to program the next tick.
Fix this by using the appropriate function to start the broadcast
source.
Reported-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Cc: Mark Rutland <Mark.Rutland@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: ARM kernel mailing list <linux-arm-kernel@lists.infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Joseph Lo <josephl@nvidia.com>
Link: http://lkml.kernel.org/r/20130711140059.GA27430@codeaurora.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Thomas Gleixner [Fri, 12 Jul 2013 10:34:42 +0000 (12:34 +0200)]
Merge branch 'linus' into timers/urgent
Get upstream changes so we can apply fixes against them
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Maarten Lankhorst [Fri, 5 Jul 2013 07:29:32 +0000 (09:29 +0200)]
mutex: Move ww_mutex definitions to ww_mutex.h
Move the definitions for wound/wait mutexes out to a separate
header, ww_mutex.h. This reduces clutter in mutex.h, and
increases readability.
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Rik van Riel <riel@redhat.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Dave Airlie <airlied@gmail.com>
Link: http://lkml.kernel.org/r/51D675DC.3000907@canonical.com
[ Tidied up the code a bit. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Peter Zijlstra [Fri, 12 Jul 2013 09:08:33 +0000 (11:08 +0200)]
perf: Fix perf_lock_task_context() vs RCU
Jiri managed to trigger this warning:
[] ======================================================
[] [ INFO: possible circular locking dependency detected ]
[] 3.10.0+ #228 Tainted: G W
[] -------------------------------------------------------
[] p/6613 is trying to acquire lock:
[] (rcu_node_0){..-...}, at: [<
ffffffff810ca797>] rcu_read_unlock_special+0xa7/0x250
[]
[] but task is already holding lock:
[] (&ctx->lock){-.-...}, at: [<
ffffffff810f2879>] perf_lock_task_context+0xd9/0x2c0
[]
[] which lock already depends on the new lock.
[]
[] the existing dependency chain (in reverse order) is:
[]
[] -> #4 (&ctx->lock){-.-...}:
[] -> #3 (&rq->lock){-.-.-.}:
[] -> #2 (&p->pi_lock){-.-.-.}:
[] -> #1 (&rnp->nocb_gp_wq[1]){......}:
[] -> #0 (rcu_node_0){..-...}:
Paul was quick to explain that due to preemptible RCU we cannot call
rcu_read_unlock() while holding scheduler (or nested) locks when part
of the read side critical section was preemptible.
Therefore solve it by making the entire RCU read side non-preemptible.
Also pull out the retry from under the non-preempt to play nice with RT.
Reported-by: Jiri Olsa <jolsa@redhat.com>
Helped-out-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: <stable@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Jiri Olsa [Tue, 9 Jul 2013 15:44:11 +0000 (17:44 +0200)]
perf: Remove WARN_ON_ONCE() check in __perf_event_enable() for valid scenario
The '!ctx->is_active' check has a valid scenario, so
there's no need for the warning.
The reason is that there's a time window between the
'ctx->is_active' check in the perf_event_enable() function
and the __perf_event_enable() function having:
- IRQs on
- ctx->lock unlocked
where the task could be killed and 'ctx' deactivated by
perf_event_exit_task(), ending up with the warning below.
So remove the WARN_ON_ONCE() check and add comments to
explain it all.
This addresses the following warning reported by Vince Weaver:
[ 324.983534] ------------[ cut here ]------------
[ 324.984420] WARNING: at kernel/events/core.c:1953 __perf_event_enable+0x187/0x190()
[ 324.984420] Modules linked in:
[ 324.984420] CPU: 19 PID: 2715 Comm: nmi_bug_snb Not tainted 3.10.0+ #246
[ 324.984420] Hardware name: Supermicro X8DTN/X8DTN, BIOS 4.6.3 01/08/2010
[ 324.984420]
0000000000000009 ffff88043fce3ec8 ffffffff8160ea0b ffff88043fce3f00
[ 324.984420]
ffffffff81080ff0 ffff8802314fdc00 ffff880231a8f800 ffff88043fcf7860
[ 324.984420]
0000000000000286 ffff880231a8f800 ffff88043fce3f10 ffffffff8108103a
[ 324.984420] Call Trace:
[ 324.984420] <IRQ> [<
ffffffff8160ea0b>] dump_stack+0x19/0x1b
[ 324.984420] [<
ffffffff81080ff0>] warn_slowpath_common+0x70/0xa0
[ 324.984420] [<
ffffffff8108103a>] warn_slowpath_null+0x1a/0x20
[ 324.984420] [<
ffffffff81134437>] __perf_event_enable+0x187/0x190
[ 324.984420] [<
ffffffff81130030>] remote_function+0x40/0x50
[ 324.984420] [<
ffffffff810e51de>] generic_smp_call_function_single_interrupt+0xbe/0x130
[ 324.984420] [<
ffffffff81066a47>] smp_call_function_single_interrupt+0x27/0x40
[ 324.984420] [<
ffffffff8161fd2f>] call_function_single_interrupt+0x6f/0x80
[ 324.984420] <EOI> [<
ffffffff816161a1>] ? _raw_spin_unlock_irqrestore+0x41/0x70
[ 324.984420] [<
ffffffff8113799d>] perf_event_exit_task+0x14d/0x210
[ 324.984420] [<
ffffffff810acd04>] ? switch_task_namespaces+0x24/0x60
[ 324.984420] [<
ffffffff81086946>] do_exit+0x2b6/0xa40
[ 324.984420] [<
ffffffff8161615c>] ? _raw_spin_unlock_irq+0x2c/0x30
[ 324.984420] [<
ffffffff81087279>] do_group_exit+0x49/0xc0
[ 324.984420] [<
ffffffff81096854>] get_signal_to_deliver+0x254/0x620
[ 324.984420] [<
ffffffff81043057>] do_signal+0x57/0x5a0
[ 324.984420] [<
ffffffff8161a164>] ? __do_page_fault+0x2a4/0x4e0
[ 324.984420] [<
ffffffff8161665c>] ? retint_restore_args+0xe/0xe
[ 324.984420] [<
ffffffff816166cd>] ? retint_signal+0x11/0x84
[ 324.984420] [<
ffffffff81043605>] do_notify_resume+0x65/0x80
[ 324.984420] [<
ffffffff81616702>] retint_signal+0x46/0x84
[ 324.984420] ---[ end trace
442ec2f04db3771a ]---
Reported-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Suggested-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1373384651-6109-2-git-send-email-jolsa@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Jiri Olsa [Tue, 9 Jul 2013 15:44:10 +0000 (17:44 +0200)]
perf: Clone child context from parent context pmu
Currently when the child context for inherited events is
created, it's based on the pmu object of the first event
of the parent context.
This is wrong for the following scenario:
- HW context having HW and SW event
- HW event got removed (closed)
- SW event stays in HW context as the only event
and its pmu is used to clone the child context
The issue starts when the cpu context object is touched
based on the pmu context object (__get_cpu_context). In
this case the HW context will work with SW cpu context
ending up with following WARN below.
Fixing this by using parent context pmu object to clone
from child context.
Addresses the following warning reported by Vince Weaver:
[ 2716.472065] ------------[ cut here ]------------
[ 2716.476035] WARNING: at kernel/events/core.c:2122 task_ctx_sched_out+0x3c/0x)
[ 2716.476035] Modules linked in: nfsd auth_rpcgss oid_registry nfs_acl nfs locn
[ 2716.476035] CPU: 0 PID: 3164 Comm: perf_fuzzer Not tainted 3.10.0-rc4 #2
[ 2716.476035] Hardware name: AOpen DE7000/nMCP7ALPx-DE R1.06 Oct.19.2012, BI2
[ 2716.476035]
0000000000000000 ffffffff8102e215 0000000000000000 ffff88011fc18
[ 2716.476035]
ffff8801175557f0 0000000000000000 ffff880119fda88c ffffffff810ad
[ 2716.476035]
ffff880119fda880 ffffffff810af02a 0000000000000009 ffff880117550
[ 2716.476035] Call Trace:
[ 2716.476035] [<
ffffffff8102e215>] ? warn_slowpath_common+0x5b/0x70
[ 2716.476035] [<
ffffffff810ab2bd>] ? task_ctx_sched_out+0x3c/0x5f
[ 2716.476035] [<
ffffffff810af02a>] ? perf_event_exit_task+0xbf/0x194
[ 2716.476035] [<
ffffffff81032a37>] ? do_exit+0x3e7/0x90c
[ 2716.476035] [<
ffffffff810cd5ab>] ? __do_fault+0x359/0x394
[ 2716.476035] [<
ffffffff81032fe6>] ? do_group_exit+0x66/0x98
[ 2716.476035] [<
ffffffff8103dbcd>] ? get_signal_to_deliver+0x479/0x4ad
[ 2716.476035] [<
ffffffff810ac05c>] ? __perf_event_task_sched_out+0x230/0x2d1
[ 2716.476035] [<
ffffffff8100205d>] ? do_signal+0x3c/0x432
[ 2716.476035] [<
ffffffff810abbf9>] ? ctx_sched_in+0x43/0x141
[ 2716.476035] [<
ffffffff810ac2ca>] ? perf_event_context_sched_in+0x7a/0x90
[ 2716.476035] [<
ffffffff810ac311>] ? __perf_event_task_sched_in+0x31/0x118
[ 2716.476035] [<
ffffffff81050dd9>] ? mmdrop+0xd/0x1c
[ 2716.476035] [<
ffffffff81051a39>] ? finish_task_switch+0x7d/0xa6
[ 2716.476035] [<
ffffffff81002473>] ? do_notify_resume+0x20/0x5d
[ 2716.476035] [<
ffffffff813654f5>] ? retint_signal+0x3d/0x78
[ 2716.476035] ---[ end trace
827178d8a5966c3d ]---
Reported-by: Vince Weaver <vincent.weaver@maine.edu>
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: <stable@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1373384651-6109-1-git-send-email-jolsa@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Ingo Molnar [Fri, 12 Jul 2013 07:44:07 +0000 (09:44 +0200)]
Merge tag 'perf-urgent-for-mingo' of git://git./linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
* Fix some freeing bugs on the parsing error paths, from Adrian Hunter.
* Update symbol_conf.nr_events when processing attribute events, fix from Adrian Hunter.
* Fix missing increment in sample parsing when PERF_SAMPLE_STACK_USER
is present, from Adrian Hunt.
* Fix count parameter to read call in event_format__new, from David Ahern.
* Remove -A/--append option, not working for a long time, from Jiri Olsa.
* Remove -f/--force option, was a no-op for quite some time, from Jiri Olsa.
* Fix -x/--exclude-other option for report command, from Jiri Olsa.
* Cross build fixes, at least one for Android, from Joonsoo Kim.
* Fix memory allocation fail check in mem{set,cpy} 'perf bench' workloads,
from Kirill A. Shutemov.
* Revert regression in configuration of Python support, from Michael Witten.
* Fix -ldw/-lelf link test when static linking, from Mike Frysinger.
* Fix issues with multiple children processing in perf_evlist__start_workload(),
from Namhyung Kim.
* Fix broken include in Context.xs ('perf script'), from Ramkumar Ramachandra.
* Fixes for build problems, from Robert Richter.
* Fix a typo of a Power7 event name, from Runzhen Wang.
* Avoid sending SIGTERM to random processes in 'perf stat', fix from Stephane Eranian.
* Fix per-socket output bug for uncore events in 'perf stat', from Stephane Eranian.
* Fix vdso list searching, from Waiman Long.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Wolfram Sang [Wed, 10 Jul 2013 15:57:44 +0000 (16:57 +0100)]
drivers/net/ieee802154: don't use devm_pinctrl_get_select_default() in probe
Since commit
ab78029 (drivers/pinctrl: grab default handles from device core),
we can rely on device core for setting the default pins. Compile tested only.
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Wolfram Sang [Wed, 10 Jul 2013 15:57:43 +0000 (16:57 +0100)]
drivers/net/ethernet/cadence: don't use devm_pinctrl_get_select_default() in probe
Since commit
ab78029 (drivers/pinctrl: grab default handles from device core),
we can rely on device core for setting the default pins. Compile tested only.
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / log