When working in Dual Role Device mode, USB state machine is not kicked,
when host or gadget drivers are loaded. Fix this be explicitly triggering
state detection on client driver load.
Issue is that if the board is booted without micro usb cable and usb
device attached, kernel fails to populate the usb host and device.
The reason for this is that the state machine worker logic only checks
for USB_DR_MODE_PERIPHERAL and USB_DR_MODE_HOST modes to run worker
thread. However if the phy is configured in OTG mode it would fail
to run the state machine, resulting in failure to detect for very
first time.
This patch fixes the issue by removing the explicit checks.
Issue is noticed on Qualcomm Dragon board DB410C.
[srinivas.kandagatla@linaro.org: Added more details to log]
Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
This patch fixes the register offset used for super-speed connection's
max packet size. Without it using the 338x series of devices in enhanced
mode will only allow full or high speed operation to function correctly.
Signed-off-by: Simon Appleby <simon.appleby@pickeringtest.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Gadgetfs driver called usb_gadget_unregister_driver unconditionally, even
if it didn't register it earlier due to other failures. This patch fixes
this.
Reported-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Retry gadget probe only if the probe result is -EPROBE_DEFER, not on
every probe error.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Commit 754fe4a92c ("usb: musb: Remove ifdefs for TX DMA for musb_host.c")
introduces a problem setting the desired channel mode for the Mentor DMA
engine.
There is a case where an address is incorrectly assigned to the DMA
channel desired mode when it should instead be assigned the actual mode
value. This results in the value of channel->desired_mode not being
correct.
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
There will be data toggle error happen for full speed buld-out transfer.
The data toggle bit is saved in qh for non-control transfers, it is wrong
to check the qtd for that case.
Also fix one static analysis tool issue after fix the data toggle error.
John Youn:
* Added WARN() to warn on improper usage of the
dwc2_hcd_save_data_toggle() function.
Signed-off-by: Dyson Lee <dyson.lee@intel.com>
Signed-off-by: Tang, Jianqiang <jianqiang.tang@intel.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Fixes memory manipulation issues and makes Host DDMA bulk transfers
work.
dwc2_process_non_isoc_desc() must return non zero value ONLY when
failure happens in one of the queued descriptors. After receiving
non zero value the caller must stop processing of remaining
QTDs and their descriptors from chain.
Commit 26a19ea699 ("usb: dwc2: host: fix use of qtd after
free in desc dma mode") breaks non_isoc transaction completion logic
in Host DDMA mode. There were bugs before that, but after this patch
dwc2_process_non_isoc_desc() returns fail status even if descriptor
was processed normally. This causes break from loop which is processing
remaining descriptors assigned to QTD, which is not correct for QTDs
containing more than one descriptor.
Current dwc2 driver gathers queued BULK URBs until receiving URB
without URB_NO_INTERRUPT flag. Once getting it, SW creates
descriptor chain, stores it in qh structure and passes start
address to HW. Multiple URB data is contained in that chain.
Hence on getting error on descriptor after its processing by HW,
SW should go out of both loops(qh->qtd, qtd->descs) and report
the failure.
Fixes: 26a19ea699 ("usb: dwc2: host: fix use of qtd after free in desc dma mode")
Cc: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
The assignement of EP transfer resources was not handled properly in the
dwc3 driver. Commit aebda61871 ("usb: dwc3: Reset the transfer
resource index on SET_INTERFACE") previously fixed one aspect of this
where resources may be exhausted with multiple calls to SET_INTERFACE.
However, it introduced an issue where composite devices with multiple
interfaces can be assigned the same transfer resources for different
endpoints. This patch solves both issues.
The assignment of transfer resources cannot perfectly follow the data
book due to the fact that the controller driver does not have all
knowledge of the configuration in advance. It is given this information
piecemeal by the composite gadget framework after every
SET_CONFIGURATION and SET_INTERFACE. Trying to follow the databook
programming model in this scenario can cause errors. For two reasons:
1) The databook says to do DEPSTARTCFG for every SET_CONFIGURATION and
SET_INTERFACE (8.1.5). This is incorrect in the scenario of multiple
interfaces.
2) The databook does not mention doing more DEPXFERCFG for new endpoint
on alt setting (8.1.6).
The following simplified method is used instead:
All hardware endpoints can be assigned a transfer resource and this
setting will stay persistent until either a core reset or hibernation.
So whenever we do a DEPSTARTCFG(0) we can go ahead and do DEPXFERCFG for
every hardware endpoint as well. We are guaranteed that there are as
many transfer resources as endpoints.
This patch triggers off of the calling dwc3_gadget_start_config() for
EP0-out, which always happens first, and which should only happen in one
of the above conditions.
Fixes: aebda61871 ("usb: dwc3: Reset the transfer resource index on SET_INTERFACE")
Cc: <stable@vger.kernel.org> # v3.2+
Reported-by: Ravi Babu <ravibabu@ti.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Fixes an issue found on rockchip rk3036 and rk3188 SOC platforms. For
some reason, the existing msleep(25) is not enough after the force mode.
The following patch was reported to fix the issue.
This does increase the probe delay again slightly, but not up to the
level it was before the original series of patches that this fixes. It
does not cause any other issues when tested on Synopsys HAPS and Altera
socfpga platforms.
Need to revisit this series next release to see if we can address these
issues without having an unconditional delay.
Fixes: 09c96980dc ("usb: dwc2: Add functions to set and clear force mode")
Reported-by: Caesar Wang <caesar.upstream@gmail.com>
Reported-by: Michael Niewoehner <linux@mniewoehner.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Caesar Wang <caesar.upstream@gmail.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Here are 3 fixes for some reported issues. Two nvmem driver fixes, and
one mei fix. All have been in linux-next just fine.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are 3 fixes for some reported issues. Two nvmem driver fixes,
and one mei fix. All have been in linux-next just fine"
* tag 'char-misc-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
nvmem: qfprom: Specify LE device endianness
nvmem: core: return error for non word aligned access
mei: validate request value in client notify request ioctl
Here is one driver core, well klist, fix for 4.5-rc4. It fixes a
problem found in the scsi device list traversal that probably also could
be triggered by other subsystems.
The fix has been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is one driver core, well klist, fix for 4.5-rc4.
It fixes a problem found in the scsi device list traversal that
probably also could be triggered by other subsystems.
The fix has been in linux-next for a while with no reported problems"
* tag 'driver-core-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
klist: fix starting point removed bug in klist iterators
Here are a number of small tty and serial driver fixes for 4.5-rc4 that
resolve some reported issues.
One of them got reverted as it wasn't correct based on testing, and all
have been in linux-next for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg KH:
"Here are a number of small tty and serial driver fixes for 4.5-rc4
that resolve some reported issues.
One of them got reverted as it wasn't correct based on testing, and
all have been in linux-next for a while"
* tag 'tty-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
Revert "8250: uniphier: allow modular build with 8250 console"
pty: make sure super_block is still valid in final /dev/tty close
pty: fix possible use after free of tty->driver_data
tty: Add support for PCIe WCH382 2S multi-IO card
serial/omap: mark wait_for_xmitr as __maybe_unused
serial: omap: Prevent DoS using unprivileged ioctl(TIOCSRS485)
8250: uniphier: allow modular build with 8250 console
tty: Drop krefs for interrupted tty lock
Here are a number of USB and PHY driver fixes for 4.5-rc4.
They are the usual gadget and xhci drivers that had reported problems,
as well as a few small phy issues as well. All have been in linux-next
with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull PHY fixes from Greg KH:
"Here are a couple of PHY driver fixes for 4.5-rc4.
A few small phy issues. All have been in linux-next with no reported
issues"
* tag 'usb-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
phy: twl4030-usb: Fix unbalanced pm_runtime_enable on module reload
phy: twl4030-usb: Relase usb phy on unload
phy: core: fix wrong err handle for phy_power_on
phy: Restrict phy-hi6220-usb to HiSilicon arm64
Pull perf tooling fixes from Thomas Gleixner:
"Another round of fixes for the perf tooling side:
- Prevent a NULL pointer dereference in tracepoint error handling
- Fix a thread handling bug in the intel_pt error handling code
- Search both .eh_frame and .debug_frame sections as toolchains seem
to have random choices of storing the CFI information
- Fix the perf state interval output values, which got broken when
fixing the overall output"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf stat: Fix interval output values
perf probe: Search both .eh_frame and .debug_frame sections for probe location
perf tools: Fix thread lifetime related segfaut in intel_pt
perf tools: tracepoint_error() can receive e=NULL, robustify it
Pull lockdep fix from Thomas Gleixner:
"A single fix for the stack trace caching logic in lockdep, where the
duplicate avoidance managed to store no back trace at all"
* 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
locking/lockdep: Fix stack trace caching logic
Pull timer fix from Thomas Gleixner:
"A single fix preventing a 32bit overflow in timespec/val to cputime
conversions on 32bit machines"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cputime: Prevent 32bit overflow in time[val|spec]_to_cputime()
Pull irqchip fixes from Thomas Gleixner:
"Another set of ARM SoC related irqchip fixes:
- Plug a memory leak in gicv3-its
- Limit features to the root gic interrupt controller
- Add a missing barrier in the gic-v3 IAR access
- Another compile test fix for sun4i"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/gic-v3: Make sure read from ICC_IAR1_EL1 is visible on redestributor
irqchip/gic: Only set the EOImodeNS bit for the root controller
irqchip/gic: Only populate set_affinity for the root controller
irqchip/gicv3-its: Fix memory leak in its_free_tables()
irqchip/sun4i: Fix compilation outside of arch/arm
Pull x86 fixes from Thomas Gleixner:
"Two small fixlets for x86:
- Prevent a KASAN false positive in thread_saved_pc()
- Fix a 32-bit truncation problem in the x86 numa code"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mm/numa: Fix 32-bit memblock range truncation bug on 32-bit NUMA kernels
x86: Fix KASAN false positives in thread_saved_pc()
Pull MIPS fixes from Ralf Baechle:
"Here's the first round of MIPS fixes after the merge window:
- Detect Octeon III's PCI correctly.
- Fix return value of the MT7620 probing function.
- Wire up the copy_file_range syscall.
- Fix 64k page support on 32 bit kernels.
- Fix the early Coherency Manager probe.
- Allow only hardware-supported page sizes to be selected for R6000.
- Fix corner cases for the RDHWR nstruction emulation on old hardware.
- Fix FPU handling corner cases.
- Remove stale entry for BCM33xx from the MAINTAINERS file.
- 32 and 64 bit ELF headers are different, handle them correctly"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
mips: Differentiate between 32 and 64 bit ELF header
MIPS: Octeon: Update OCTEON_FEATURE_PCIE for Octeon III
MIPS: pci-mt7620: Fix return value check in mt7620_pci_probe()
MIPS: Fix early CM probing
MIPS: Wire up copy_file_range syscall.
MIPS: Fix 64k page support for 32 bit kernels.
MIPS: R6000: Don't allow 64k pages for R6000.
MIPS: traps.c: Correct microMIPS RDHWR emulation
MIPS: traps.c: Don't emulate RDHWR in the CpU #0 exception handler
MAINTAINERS: Remove stale entry for BCM33xx chips
MIPS: Fix FPU disable with preemption
MIPS: Properly disable FPU in start_thread()
MIPS: Fix buffer overflow in syscall_get_arguments()
Pull ARM fixes from Russell King:
"A couple of ARM fixes from Linus for the ICST clock generator code"
[ "Linus" here is Linus Walleij. Name-stealer.
Linus "there can be only one" Torvalds ]
* 'fixes' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: 8519/1: ICST: try other dividends than 1
ARM: 8517/1: ICST: avoid arithmetic overflow in icst_hz()
Pull component helper fixes from Russell King:
"A few fixes for problems people have encountered with the recent
update to the component helpers"
* 'component' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
component: remove device from master match list on failed add
component: Detach components when deleting master struct
component: fix crash on x86_64 with hda audio drivers
- One fix to ipoib multicast joins
- One fix to mlx4 error handling
- One fix to mlx5 size computation
- One fix to a thinko in core code
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull more rdma fixes from Doug Ledford:
"I think we are getting pretty close to done now. There are four
one-off fixes in this update:
- fix ipoib multicast joins
- fix mlx4 error handling
- fix mlx5 size computation
- fix a thinko in core code"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/mlx5: Fix RC transport send queue overhead computation
IB/ipoib: fix for rare multicast join race condition
IB/core: Fix reading capability mask of the port info class
net/mlx4: fix some error handling in mlx4_multi_func_init()
Pull SCSI target fixes from Nicholas Bellinger:
"This includes the long awaited series to address a set of bugs around
active I/O remote-port LUN_RESET, as well as properly handling this
same case with concurrent fabric driver session disconnect ->
reconnect.
Note this set of LUN_RESET bug-fixes has been surviving extended
testing on both v4.5-rc1 and v3.14.y code over the last weeks, and is
CC'ed for stable as it's something folks using multiple ESX connected
hosts with slow backends can certainly trigger.
The highlights also include:
- Fix WRITE_SAME/DISCARD emulation 4k sector conversion in
target/iblock (Mike Christie)
- Fix TMR abort interaction and AIO type TMR response in qla2xxx
target (Quinn Tran + Swapnil Nagle)
- Fix >= v3.17 stale descriptor pointer regression in qla2xxx target
(Quinn Tran)
- Fix >= v4.5-rc1 return regression with unmap_zeros_data_store new
configfs store handler (nab)
- Add CPU affinity flag + convert qla2xxx to use bit (Quinn + HCH +
Bart)"
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
qla2xxx: use TARGET_SCF_USE_CPUID flag to indiate CPU Affinity
target/transport: add flag to indicate CPU Affinity is observed
target: Fix incorrect unmap_zeroes_data_store return
qla2xxx: Use ATIO type to send correct tmr response
qla2xxx: Fix stale pointer access.
target/user: Fix cast from pointer to phys_addr_t
target: Drop legacy se_cmd->task_stop_comp + REQUEST_STOP usage
target: Fix race with SCF_SEND_DELAYED_TAS handling
target: Fix remote-port TMR ABORT + se_cmd fabric stop
target: Fix TAS handling for multi-session se_node_acls
target: Fix LUN_RESET active TMR descriptor handling
target: Fix LUN_RESET active I/O handling for ACK_KREF
qla2xxx: Fix TMR ABORT interaction issue between qla2xxx and TCM
qla2xxx: Fix warning reported by static checker
target: Fix WRITE_SAME/DISCARD conversion to linux 512b sectors
Pull thermal management fixes from Eduardo Valentin:
"Specifics in this pull request:
- Compilation fixes on SPEAR, and U8500 thermal drivers.
- RCAR thermal driver now recognizes OF-thermal based thermal zones.
- Small code rework on OF-thermal.
- These change have been CI tested using KernelCI bot [1,2]. \o/
I am taking over on Rui's behalf while he is out. Happy New Chinese
Year!
[1] - https://kernelci.org/build/evalenti/kernel/v4.5-rc3-16-ga53b8394ec3c/
[2] - https://kernelci.org/boot/all/job/evalenti/kernel/v4.5-rc3-16-ga53b8394ec3c/"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal:
thermal: cpu_cooling: fix out of bounds access in time_in_idle
thermal: allow u8500-thermal driver to be a module
thermal: allow spear-thermal driver to be a module
thermal: spear: use __maybe_unused for PM functions
thermal: rcar: enable to use thermal-zone on DT
thermal: of: use for_each_available_child_of_node for child iterator
This contains the last-minute fix for the double-free of usb-audio
MIDI device at probe failure.
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Merge tag 'sound-fix-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull another sound fix from Takashi Iwai:
"This contains a fix for the double-free of usb-audio MIDI device at
probe failure"
* tag 'sound-fix-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: usb-audio: avoid freeing umidi object twice
- Corner case of returning to delay slot from interrupt
- Changing default interrupt prioiry level
- Kconfig'ize support for super pages
- Other minor fixes
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Merge tag 'arc-4.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"I've been sitting on some of these fixes for a while.
- Corner case of returning to delay slot from interrupt
- Changing default interrupt prioiry level
- Kconfig'ize support for super pages
- Other minor fixes"
* tag 'arc-4.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: mm: Introduce explicit super page size support
ARCv2: intc: Allow interruption by lowest priority interrupt
ARCv2: Check for LL-SC livelock only if LLSC is enabled
ARC: shrink cpuinfo by not saving full timer BCR
ARCv2: clocksource: Rename GRTC -> GFRC ...
ARCv2: STAR 9000950267: Handle return from intr to Delay Slot #2
The 'umidi' object will be free'd on the error path by snd_usbmidi_free()
when tearing down the rawmidi interface. So we shouldn't try to free it
in snd_usbmidi_create() after having registered the rawmidi interface.
Found by KASAN.
Signed-off-by: Andrey Konovalov <andreyknvl@gmail.com>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
AER
Flush workqueue on device remove to avoid use-after-free (Sebastian Andrzej Siewior)
Broadcom iProc host bridge driver
Allow multiple devices except on PAXC (Ray Jui)
Renesas R-Car host bridge driver
Add gen2 device tree support for r8a7793 (Simon Horman)
Add device tree support for r8a7793 (Simon Horman)
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Merge tag 'pci-v4.5-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
"These are some Renesas binding updates for PCI host controllers, a
Broadcom fix for a regression we added in v4.5-rc1, and a fix for an
AER use-after-free problem that can cause memory corruption.
Summary:
AER:
Flush workqueue on device remove to avoid use-after-free (Sebastian Andrzej Siewior)
Broadcom iProc host bridge driver:
Allow multiple devices except on PAXC (Ray Jui)
Renesas R-Car host bridge driver:
Add gen2 device tree support for r8a7793 (Simon Horman)
Add device tree support for r8a7793 (Simon Horman)"
* tag 'pci-v4.5-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: rcar: Add device tree support for r8a7793
PCI: rcar: Add gen2 device tree support for r8a7793
PCI: iproc: Allow multiple devices except on PAXC
PCI/AER: Flush workqueue on device remove to avoid use-after-free
Merge fixes from Andrew Morton:
"10 fixes"
The lockdep hlist conversion is in the locking tree too, waiting for the
next merge window. Andrew thought it should go in now. I'll take it,
since it fixes a real problem and looks trivially correct (famous last
words).
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
arch/x86/Kconfig: CONFIG_X86_UV should depend on CONFIG_EFI
mm: fix pfn_t vs highmem
kernel/locking/lockdep.c: convert hash tables to hlists
mm,thp: fix spellos in describing __HAVE_ARCH_FLUSH_PMD_TLB_RANGE
mm,thp: khugepaged: call pte flush at the time of collapse
mm/backing-dev.c: fix error path in wb_init()
mm, dax: check for pmd_none() after split_huge_pmd()
vsprintf: kptr_restrict is okay in IRQ when 2
mm: fix filemap.c kernel doc warning
ubsan: cosmetic fix to Kconfig text
Fix the RC QPs send queue overhead computation to take into account
two additional segments in the WQE which are needed for registration
operations.
The ATOMIC and UMR segments can't coexist together, so chose maximum out
of them.
The commit 9e65dc371b ("IB/mlx5: Fix RC transport send queue overhead
computation") was intended to update RC transport as commit messages
states, but added the code to UC transport.
Fixes: 9e65dc371b ("IB/mlx5: Fix RC transport send queue overhead computation")
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
A narrow window for race condition still exist between
multicast join thread and *dev_flush workers.
A kernel crash caused by prolong erratic link state changes
was observed (most likely a faulty cabling):
[167275.656270] BUG: unable to handle kernel NULL pointer dereference at
0000000000000020
[167275.665973] IP: [<ffffffffa05f8f2e>] ipoib_mcast_join+0xae/0x1d0 [ib_ipoib]
[167275.674443] PGD 0
[167275.677373] Oops: 0000 [#1] SMP
...
[167275.977530] Call Trace:
[167275.982225] [<ffffffffa05f92f0>] ? ipoib_mcast_free+0x200/0x200 [ib_ipoib]
[167275.992024] [<ffffffffa05fa1b7>] ipoib_mcast_join_task+0x2a7/0x490
[ib_ipoib]
[167276.002149] [<ffffffff8109d5fb>] process_one_work+0x17b/0x470
[167276.010754] [<ffffffff8109e3cb>] worker_thread+0x11b/0x400
[167276.019088] [<ffffffff8109e2b0>] ? rescuer_thread+0x400/0x400
[167276.027737] [<ffffffff810a5aef>] kthread+0xcf/0xe0
Here was a hit spot:
ipoib_mcast_join() {
..............
rec.qkey = priv->broadcast->mcmember.qkey;
^^^^^^^
.....
}
Proposed patch should prevent multicast join task to continue
if link state change is detected.
Signed-off-by: Alex Estrin <alex.estrin@intel.com>
Changes from v4:
- as suggested by Doug Ledford, optimized spinlock usage,
i.e. ipoib_mcast_join() is called with lock held.
Changes from v3:
- sync with priv->lock before flag check.
Chages from v2:
- Move check for OPER_UP flag state to mcast_join() to
ensure no event worker is in progress.
- minor style fixes.
Changes from v1:
- No need to lock again if error detected.
Signed-off-by: Doug Ledford <dledford@redhat.com>
In this rc, we've got more volume than previous rc, unsurprisingly;
the majority of updates in ASoC are about Intel drivers, and another
major changes are the continued plumbing of ALSA timer bugs revealed
by syzkaller fuzzer. Hopefully both settle down now.
Other than that, HD-audio received a couple of code fixes as well as
the usual quirks, and various small fixes are found for FireWire
devices, ASoC codecs and drivers.
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Merge tag 'sound-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"In this rc, we've got more volume than previous rc, unsurprisingly;
the majority of updates in ASoC are about Intel drivers, and another
major changes are the continued plumbing of ALSA timer bugs revealed
by syzkaller fuzzer. Hopefully both settle down now.
Other than that, HD-audio received a couple of code fixes as well as
the usual quirks, and various small fixes are found for FireWire
devices, ASoC codecs and drivers"
* tag 'sound-4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (50 commits)
ASoC: arizona: fref must be limited in pseudo-fractional mode
ASoC: sigmadsp: Fix missleading return value
ALSA: timer: Fix race at concurrent reads
ALSA: firewire-digi00x: Drop bogus const type qualifier on dot_scrt()
ALSA: hda - Fix bad dereference of jack object
ALSA: timer: Fix race between stop and interrupt
ALSA: timer: Fix wrong instance passed to slave callbacks
ASoC: Intel: Add module tags for common match module
ASoC: Intel: Load the atom DPCM driver only
ASoC: Intel: Create independent acpi match module
ASoC: Intel: Revert "ASoC: Intel: fix ACPI probe regression with Atom DPCM driver"
ALSA: dummy: Implement timer backend switching more safely
ALSA: hda - Fix speaker output from VAIO AiO machines
Revert "ALSA: hda - Fix noise on Gigabyte Z170X mobo"
ALSA: firewire-tascam: remove needless member for control and status message
ALSA: firewire-tascam: remove a flag for controller
ALSA: firewire-tascam: add support for FW-1804
ALSA: firewire-tascam: fix NULL pointer dereference when model identification fails
ALSA: hda - Fix static checker warning in patch_hdmi.c
ASoC: Intel: Skylake: Remove autosuspend delay
...
* fix omap2plus_defconfig to enable omapfb as it was in v4.4
* ocfb: fix timings for margins
* s6e8ax0, da8xx-fb: fix compile warnings
* mmp: fix build failure caused by bad printk parameters
* imxfb: fix clock issue which kept the display off
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Merge tag 'fbdev-fixes-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev fixes from Tomi Valkeinen:
- fix omap2plus_defconfig to enable omapfb as it was in v4.4
- ocfb: fix timings for margins
- s6e8ax0, da8xx-fb: fix compile warnings
- mmp: fix build failure caused by bad printk parameters
- imxfb: fix clock issue which kept the display off
* tag 'fbdev-fixes-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux:
video: fbdev: imxfb: Provide a reset mechanism
fbdev: mmp: print IRQ resource using %pR format string
fbdev: da8xx-fb: remove incorrect type cast
fbdev: s6e8ax0: avoid unused function warnings
ocfb: fix tgdel and tvdel timing parameters
ARM: omap2plus_defconfig: update display configs
A set of seven fixes. Two regressions in the new hisi_sas arm driver, a
blacklist entry for the marvell console which was causing a reset cascade
without it, a race fix in the WRITE_SAME/DISCARD routines, a retry fix for the
rdac driver, without which, it would prematurely return EIO and a couple of
fixes for the hyper-v storvsc driver.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"A set of seven fixes:
Two regressions in the new hisi_sas arm driver, a blacklist entry for
the marvell console which was causing a reset cascade without it, a
race fix in the WRITE_SAME/DISCARD routines, a retry fix for the rdac
driver, without which, it would prematurely return EIO and a couple of
fixes for the hyper-v storvsc driver"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
block/sd: Return -EREMOTEIO when WRITE SAME and DISCARD are disabled
SCSI: Add Marvell Console to VPD blacklist
scsi_dh_rdac: always retry MODE SELECT on command lock violation
storvsc: Use the specified target ID in device lookup
storvsc: Install the storvsc specific timeout handler for FC devices
hisi_sas: fix v1 hw check for slot error
hisi_sas: add dependency for HAS_IOMEM
Pull drm amd fixes from Dave Airlie:
"Been pretty quiet.
This is an amdgpu fixes pull from AMD, a bunch of powerplay stability
fixes, race fix, hibernate fix, and a possible circular locking fix"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: (21 commits)
drm/amdgpu: fix issue with overlapping userptrs
drm/radeon: hold reference to fences in radeon_sa_bo_new
drm/amdgpu: remove unnecessary forward declaration
drm/amdgpu: hold reference to fences in amdgpu_sa_bo_new (v2)
drm/amdgpu: fix s4 resume
drm/amdgpu/cz: plumb pg flags through to powerplay
drm/amdgpu/tonga: plumb pg flags through to powerplay
drma/dmgpu: move cg and pg flags into shared headers
drm/amdgpu: remove unused cg defines
drm/amdgpu: add a cgs interface to fetch cg and pg flags
drm/amd/powerplay/tonga: disable vce pg
drm/amd/powerplay/tonga: disable uvd pg
drm/amd/powerplay/cz: disable vce pg
drm/amd/powerplay/cz: disable uvd pg
drm/amdgpu: be consistent with uvd cg flags
drm/amdgpu: clean up vce pg flags for cz/st
drm/amdgpu: handle vce pg flags properly
drm/amdgpu: handle uvd pg flags properly
drm/amdgpu/dpm/ci: switch over to the common pcie caps interface
drm/amdgpu/cik: don't mess with aspm if gpu is root bus
...
Pull crypto fix from James Morris.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
EVM: Use crypto_memneq() for digest comparisons
Pull btrfs fixes from Chris Mason:
"This has a few fixes from Filipe, along with a readdir fix from Dave
that we've been testing for some time"
* 'for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
btrfs: properly set the termination value of ctx->pos in readdir
Btrfs: fix hang on extent buffer lock caused by the inode_paths ioctl
Btrfs: remove no longer used function extent_read_full_page_nolock()
Btrfs: fix page reading in extent_same ioctl leading to csum errors
Btrfs: fix invalid page accesses in extent_same (dedup) ioctl
Contains:
o fix for endian conversion issue in new CRC validation in
log recovery that was discovered on a ppc64 platform.
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Merge tag 'xfs-fixes-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
Pull xfs fix from Dve Chinner:
"This contains a fix for an endian conversion issue in new CRC
validation in log recovery that was discovered on a ppc64 platform"
* tag 'xfs-fixes-for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs:
xfs: fix endianness error when checking log block crc on big endian platforms
A rather large batch of fixes here, almost all in the Intel driver.
The changes that got merged in this merge window for Skylake were rather
large and as well as issues that you'd expect in a large block of new
code there were some problems created for older processors which needed
fixing up. Things are largely settling down now hopefully.
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Merge tag 'asoc-fix-v4.5-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.5
A rather large batch of fixes here, almost all in the Intel driver.
The changes that got merged in this merge window for Skylake were rather
large and as well as issues that you'd expect in a large block of new
code there were some problems created for older processors which needed
fixing up. Things are largely settling down now hopefully.
This patch fixes vulnerability CVE-2016-2085. The problem exists
because the vm_verify_hmac() function includes a use of memcmp().
Unfortunately, this allows timing side channel attacks; specifically
a MAC forgery complexity drop from 2^128 to 2^12. This patch changes
the memcmp() to the cryptographically safe crypto_memneq().
Reported-by: Xiaofei Rex Guo <xiaofei.rex.guo@intel.com>
Signed-off-by: Ryan Ware <ware@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
Signed-off-by: James Morris <james.l.morris@oracle.com>
MMUv4 supports 2 concurrent page sizes: Normal and Super [4K to 16M]
So far Linux supported a single super page size for a given Normal page,
depending on the software page walking address split.
e.g. we had 11:8:13 address split for 8K page, which meant super page
was 2 ^(8+13) = 2M (given that THP size has to be PMD_SHIFT)
Now we turn this around, by allowing multiple Super Pages in Kconfig
(currently 2M and 16M only) and forcing page walker address split to
PGDIR_SHIFT and PAGE_SHIFT
For configs without Super page, things are same as before and
PGDIR_SHIFT can be hacked to get non default address split
The motivation for this change is a customer who needs 16M super page
and a 8K Normal page combo.
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
arch/x86/built-in.o: In function `uv_bios_call':
(.text+0xeba00): undefined reference to `efi_call'
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Suggested-by: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Acked-by: Alex Thorlton <athorlton@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The pfn_t type uses an unsigned long to store a pfn + flags value. On a
64-bit platform the upper 12 bits of an unsigned long are never used for
storing the value of a pfn. However, this is not true on highmem
platforms, all 32-bits of a pfn value are used to address a 44-bit
physical address space. A pfn_t needs to store a 64-bit value.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=112211
Fixes: 01c8f1c44b ("mm, dax, gpu: convert vm_insert_mixed to pfn_t")
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Reported-by: Stuart Foster <smf.linux@ntlworld.com>
Reported-by: Julian Margetson <runaway@candw.ms>
Tested-by: Julian Margetson <runaway@candw.ms>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Mike said:
: CONFIG_UBSAN_ALIGNMENT breaks x86-64 kernel with lockdep enabled, i. e
: kernel with CONFIG_UBSAN_ALIGNMENT fails to load without even any error
: message.
:
: The problem is that ubsan callbacks use spinlocks and might be called
: before lockdep is initialized. Particularly this line in the
: reserve_ebda_region function causes problem:
:
: lowmem = *(unsigned short *)__va(BIOS_LOWMEM_KILOBYTES);
:
: If i put lockdep_init() before reserve_ebda_region call in
: x86_64_start_reservations kernel loads well.
Fix this ordering issue permanently: change lockdep so that it uses
hlists for the hash tables. Unlike a list_head, an hlist_head is in its
initialized state when it is all-zeroes, so lockdep is ready for
operation immediately upon boot - lockdep_init() need not have run.
The patch will also save some memory.
lockdep_init() and lockdep_initialized can be done away with now - a 4.6
patch has been prepared to do this.
Reported-by: Mike Krinkin <krinkin.m.u@gmail.com>
Suggested-by: Mike Krinkin <krinkin.m.u@gmail.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Ivan T. Ivanov
Simon Appleby
Marek Szyprowski
Cristian Birsan
Andrzej Hajda
Geert Uytterhoeven
Tang, Jianqiang
Vardan Mikayelyan
John Youn
Linus Torvalds
Andrey Konovalov
Leon Romanovsky
Alex Estrin
Takashi Iwai
Ryan Ware
Vineet Gupta
Greg Kroah-Hartman
Andrew Morton
Dan Williams
Vineet Gupta