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WSR and RSR are too generic and collide with other macro definitions in
the kernel causing warnings in allmodconfig builds. Drop WSR and RSR
macros and WSR_* and RSR_* variants. Change get_sr and set_sr to
xtensa_get_sr and xtensa_set_sr. Fix up users.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"Volume is a little higher than usual due to a set of gpio fixes for
Davinci platforms that's been around a while, still seemed appropriate
to not hold off until next merge window.
Besides that it's the usual mix of minor fixes, mostly corrections of
small stuff in device trees.
Major stability-related one is the removal of a regulator from DT on
Rock960, since DVFS caused undervoltage. I expect it'll be restored
once they figure out the underlying issue"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (28 commits)
MAINTAINERS: Remove unused Qualcomm SoC mailing list
ARM: davinci: dm644x: set the GPIO base to 0
ARM: davinci: da830: set the GPIO base to 0
ARM: davinci: dm355: set the GPIO base to 0
ARM: davinci: dm646x: set the GPIO base to 0
ARM: davinci: dm365: set the GPIO base to 0
ARM: davinci: da850: set the GPIO base to 0
gpio: davinci: restore a way to manually specify the GPIO base
ARM: davinci: dm644x: define gpio interrupts as separate resources
ARM: davinci: dm355: define gpio interrupts as separate resources
ARM: davinci: dm646x: define gpio interrupts as separate resources
ARM: davinci: dm365: define gpio interrupts as separate resources
ARM: davinci: da8xx: define gpio interrupts as separate resources
ARM: dts: at91: sama5d2: use the divided clock for SMC
ARM: dts: imx51-zii-rdu1: Remove EEPROM node
ARM: dts: rockchip: Remove @0 from the veyron memory node
arm64: dts: rockchip: Fix PCIe reset polarity for rk3399-puma-haikou.
arm64: dts: qcom: msm8998: Reserve gpio ranges on MTP
arm64: dts: sdm845-mtp: Reserve reserved gpios
arm64: dts: ti: k3-am654: Fix wakeup_uart reg address
...
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- A revert of a previous commit as it is no longer necessary and has
shown to cause problems in some memory hotplug cases.
- Some small fixes and a minor cleanup.
- A patch for adding better diagnostic data in a very rare failure
case.
* tag 'for-linus-4.20a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
pvcalls-front: fixes incorrect error handling
Revert "xen/balloon: Mark unallocated host memory as UNUSABLE"
xen: xlate_mmu: add missing header to fix 'W=1' warning
xen/x86: add diagnostic printout to xen_mc_flush() in case of error
x86/xen: cleanup includes in arch/x86/xen/spinlock.c
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git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"This contains two fixes to at_hdmac which fixes long standing bus
reported recently on serial transfers causing memory leak. These fixes
were done by Richard Genoud"
* tag 'dmaengine-fix-4.20-rc5' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: at_hdmac: fix module unloading
dmaengine: at_hdmac: fix memory leak in at_dma_xlate()
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Pull block layer fixes from Jens Axboe:
- Single range elevator discard merge fix, that caused crashes (Ming)
- Fix for a regression in O_DIRECT, where we could potentially lose the
error value (Maximilian Heyne)
- NVMe pull request from Christoph, with little fixes all over the map
for NVMe.
* tag 'for-linus-20181201' of git://git.kernel.dk/linux-block:
block: fix single range discard merge
nvme-rdma: fix double freeing of async event data
nvme: flush namespace scanning work just before removing namespaces
nvme: warn when finding multi-port subsystems without multipathing enabled
fs: fix lost error code in dio_complete
nvme-pci: fix surprise removal
nvme-fc: initialize nvme_req(rq)->ctrl after calling __nvme_fc_init_request()
nvme: Free ctrl device name on init failure
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas:
- Fix a link speed checking interface that broke PCIe gen3 cards in
gen1 slots (Mikulas Patocka)
- Fix an imx6 link training error (Trent Piepho)
- Fix a layerscape outbound window accessor calling error (Hou
Zhiqiang)
- Fix a DesignWare endpoint MSI-X address calculation error (Gustavo
Pimentel)
* tag 'pci-v4.20-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Fix incorrect value returned from pcie_get_speed_cap()
PCI: dwc: Fix MSI-X EP framework address calculation bug
PCI: layerscape: Fix wrong invocation of outbound window disable accessor
PCI: imx6: Fix link training status detection in link up check
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- Fix DesignWare endpoint MSI-X address calculation bug (Gustavo
Pimentel)
- Fix Layerscape outbound window disable usage (Hou Zhiqiang)
- Fix imx6 link up detection (Trent Piepho)
* lorenzo/pci/controller-fixes:
PCI: dwc: Fix MSI-X EP framework address calculation bug
PCI: layerscape: Fix wrong invocation of outbound window disable accessor
PCI: imx6: Fix link training status detection in link up check
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The macros PCI_EXP_LNKCAP_SLS_*GB are values, not bit masks. We must mask
the register and compare it against them.
This fixes errors like this:
amdgpu: [powerplay] failed to send message 261 ret is 0
when a PCIe-v3 card is plugged into a PCIe-v1 slot, because the slot is
being incorrectly reported as PCIe-v3 capable.
6cf57be0f78e, which appeared in v4.17, added pcie_get_speed_cap() with the
incorrect test of PCI_EXP_LNKCAP_SLS as a bitmask. 5d9a63304032, which
appeared in v4.19, changed amdgpu to use pcie_get_speed_cap(), so the
amdgpu bug reports below are regressions in v4.19.
Fixes: 6cf57be0f78e ("PCI: Add pcie_get_speed_cap() to find max supported link speed")
Fixes: 5d9a63304032 ("drm/amdgpu: use pcie functions for link width and speed")
Link: https://bugs.freedesktop.org/show_bug.cgi?id=108704
Link: https://bugs.freedesktop.org/show_bug.cgi?id=108778
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
[bhelgaas: update comment, remove use of PCI_EXP_LNKCAP_SLS_8_0GB and
PCI_EXP_LNKCAP_SLS_16_0GB since those should be covered by PCI_EXP_LNKCAP2,
remove test of PCI_EXP_LNKCAP for zero, since that register is required]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org # v4.17+
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git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Cortex-A76 erratum workaround
- ftrace fix to enable syscall events on arm64
- Fix uninitialised pointer in iort_get_platform_device_domain()
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
ACPI/IORT: Fix iort_get_platform_device_domain() uninitialized pointer value
arm64: ftrace: Fix to enable syscall events on arm64
arm64: Add workaround for Cortex-A76 erratum 1286807
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fixes from Greg KH:
"Here are a few small char/misc driver fixes for 4.20-rc5 that resolve
a number of reported issues.
The "largest" here is the thunderbolt patch, which resolves an issue
with NVM upgrade, the smallest being some fsi driver fixes. There's
also a hyperv bugfix, and the usual binder bugfixes.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
misc: mic/scif: fix copy-paste error in scif_create_remote_lookup
thunderbolt: Prevent root port runtime suspend during NVM upgrade
Drivers: hv: vmbus: check the creation_status in vmbus_establish_gpadl()
binder: fix race that allows malicious free of live buffer
fsi: fsi-scom.c: Remove duplicate header
fsi: master-ast-cf: select GENERIC_ALLOCATOR
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fix from Greg KH:
"Here is a single driver core fix for 4.20-rc5
It resolves an issue with the data alignment in 'struct devres' for
the ARC platform. The full details are in the commit changelog, but
the short summary is the change is a single line:
- unsigned long long data[]; /* guarantee ull alignment */
+ u8 __aligned(ARCH_KMALLOC_MINALIGN) data[];
This has been in linux-next for a while with no reported issues"
* tag 'driver-core-4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
devres: Align data[] to ARCH_KMALLOC_MINALIGN
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging and IIO driver fixes from Greg KH:
"Here are some small IIO and staging driver fixes for 4.20-rc5.
Nothing major, the IIO fix ended up touching the HID drivers at the
same time, but the HID maintainer acked it. The staging fixes are all
minor patches for reported issues and regressions, full details are in
the shortlog.
All of these have been in linux-next for a while with no reported
issues"
* tag 'staging-4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers
staging: vchiq_arm: fix compat VCHIQ_IOC_AWAIT_COMPLETION
staging: mt7621-pinctrl: fix uninitialized variable ngroups
staging: rtl8723bs: Add missing return for cfg80211_rtw_get_station
staging: most: use format specifier "%s" in snprintf
staging: rtl8723bs: Fix incorrect sense of ether_addr_equal
staging: mt7621-dma: fix potentially dereferencing uninitialized 'tx_desc'
staging: comedi: clarify/unify macros for NI macro-defined terminals
drivers: staging: cedrus: find ctx before dereferencing it ctx
staging: rtl8723bs: Fix the return value in case of error in 'rtw_wx_read32()'
staging: comedi: ni_mio_common: scale ao INSN_CONFIG_GET_CMD_TIMING_CONSTRAINTS
iio:st_magn: Fix enable device after trigger
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY driver fixes from Greg KH:
"Here are some small USB and PHY driver fixes for 4.20-rc5
Nothing big at all, just the usual handful of USB fixes for reported
issues, along with some gadget and PHY driver bug fixes.
All of these have been in linux-next with no reported issues. Note,
the USB gadget fixes were in linux-next on its own branch, not in
mine, it just got merged into here yesterday and missed linux-next of
today"
* tag 'usb-4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: gadget: u_ether: fix unsafe list iteration
USB: omap_udc: fix rejection of out transfers when DMA is used
USB: omap_udc: fix USB gadget functionality on Palm Tungsten E
USB: omap_udc: fix omap_udc_start() on 15xx machines
USB: omap_udc: fix crashes on probe error and module removal
USB: omap_udc: use devm_request_irq()
usb: core: quirks: add RESET_RESUME quirk for Cherry G230 Stream series
USB: usb-storage: Add new IDs to ums-realtek
Revert "usb: dwc3: gadget: skip Set/Clear Halt when invalid"
phy: qcom-qusb2: Fix HSTX_TRIM tuning with fused value for SDM845
phy: qcom-qusb2: Use HSTX_TRIM fused value as is
dt-bindings: phy-qcom-qmp: Fix several mistakes from prior commits
phy: uniphier-pcie: Depend on HAS_IOMEM
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Pull mtd fixes from Boris Brezillon:
"NAND fix:
- Fix BBT cache allocation done in nanddev_bbt_init()
SPI NOR fixes:
- Fix the erase type selection logic"
* tag 'mtd/fixes-for-4.20-rc5' of git://git.infradead.org/linux-mtd:
mtd: nand: Fix memory allocation in nanddev_bbt_init()
mtd: spi-nor: fix erase_type array to indicate current map conf
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI fix from Ingo Molnar:
"An arm64 warning fix"
* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: Prevent GICv3 WARN() by mapping the memreserve table before first use
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Running the Clang static analyzer on IORT code detected the following
error:
Logic error: Branch condition evaluates to a garbage value
in
iort_get_platform_device_domain()
If the named component associated with a given device has no IORT
mappings, iort_get_platform_device_domain() exits its MSI mapping loop
with msi_parent pointer containing garbage, which can lead to erroneous
code path execution.
Initialize the msi_parent pointer, fixing the bug.
Fixes: d4f54a186667 ("ACPI: platform: setup MSI domain for ACPI based
platform device")
Reported-by: Patrick Bellasi <patrick.bellasi@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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Pull drm fixes from Dave Airlie:
"This weeks instalment of fixes. Looks fairly like business as usual
and everything seems to rolling along. There was one MST fix applied
and reverted in the misc tree, but otherwise nothing too strange in
here.
core:
- incorrect master setting on error fix
i915:
- only GVT fixes this week:
* one MOCS register load
* rpm lock fix
* use after free
rcar-du:
- regression fix for group start
amdgpu:
- DP MST fix
- GPUVM fix for huge pages
- RLC fix for vega20
ast:
- fix EDID reading stability
- ioreg free fix
meson:
- sleep in irq fix
- vblank fixes
- array boundary fix"
* tag 'drm-fixes-2018-11-30' of git://anongit.freedesktop.org/drm/drm:
drm/ast: fixed reading monitor EDID not stable issue
drm/ast: Fix incorrect free on ioregs
Revert "drm/dp_mst: Skip validating ports during destruction, just ref"
drm/amdgpu: Add delay after enable RLC ucode
drm/amdgpu: Avoid endless loop in GPUVM fragment processing
drm/amdgpu: Cast to uint64_t before left shift
drm/meson: add support for 1080p25 mode
drm/meson: Fix OOB memory accesses in meson_viu_set_osd_lut()
drm/meson: Enable fast_io in meson_dw_hdmi_regmap_config
drm/meson: Fixes for drm_crtc_vblank_on/off support
drm: set is_master to 0 upon drm_new_set_master() failure
drm/dp_mst: Skip validating ports during destruction, just ref
drm: rcar-du: Fix DU3 start/stop on M3-N
drm/amd/dm: Understand why attaching path/tile properties are needed
drm/amd/dm: Don't forget to attach MST encoders
drm/i915/gvt: Avoid use-after-free iterating the gtt list
drm/i915/gvt: ensure gpu is powered before do i915_gem_gtt_insert
drm/i915/gvt: not to touch undefined MOCS registers
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Pull rdma fixes from Jason Gunthorpe:
"This is a bit later than usual for our first -rc but I'm not seeing
anything worry-some in the RDMA tree right now. Quiet so far this -rc
cycle, only a few internal driver related bugs and a small series
fixing ODP bugs found by more advanced testing.
A set of small driver and core code fixes:
- Small series fixing longtime user triggerable bugs in the ODP
processing inside mlx5 and core code
- Various small driver malfunctions and crashes (use after, free,
error unwind, implementation bugs)
- A misfunction of the RDMA GID cache that can be triggered by the
administrator"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/mlx5: Initialize return variable in case pagefault was skipped
IB/mlx5: Fix page fault handling for MW
IB/umem: Set correct address to the invalidation function
IB/mlx5: Skip non-ODP MR when handling a page fault
RDMA/hns: Bugfix pbl configuration for rereg mr
iser: set sector for ambiguous mr status errors
RDMA/rdmavt: Fix rvt_create_ah function signature
IB/mlx5: Avoid load failure due to unknown link width
IB/mlx5: Fix XRC QP support after introducing extended atomic
RDMA/bnxt_re: Avoid accessing the device structure after it is freed
RDMA/bnxt_re: Fix system hang when registration with L2 driver fails
RDMA/core: Add GIDs while changing MAC addr only for registered ndev
RDMA/mlx5: Fix fence type for IB_WR_LOCAL_INV WR
net/mlx5: Fix XRC SRQ umem valid bits
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Some error paths in configuration of admin queue free data buffer
associated with async request SQE without resetting the data buffer
pointer to NULL, This buffer is also freed up again if the controller
is shutdown or reset.
Signed-off-by: Prabhath Sajeepa <psajeepa@purestorage.com>
Reviewed-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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nvme_stop_ctrl can be called also for reset flow and there is no need to
flush the scan_work as namespaces are not being removed. This can cause
deadlock in rdma, fc and loop drivers since nvme_stop_ctrl barriers
before controller teardown (and specifically I/O cancellation of the
scan_work itself) takes place, but the scan_work will be blocked anyways
so there is no need to flush it.
Instead, move scan_work flush to nvme_remove_namespaces() where it really
needs to flush.
Reported-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Keith Busch <keith.busch@intel.com>
Reviewed by: James Smart <jsmart2021@gmail.com>
Tested-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Without CONFIG_NVME_MULTIPATH enabled a multi-port subsystem might
show up as invididual devices and cause problems, warn about it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a recent regression in ACPICA releted to the Generic Serial Bus
protocol handling and causing it to read or write too little or too
much data in some cases, so incorrect data may be written to hardware
as a result (Hans de Goede)"
* tag 'acpi-4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Fix handling of buffer-size in acpi_ex_write_data_to_field()
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two issues in the operating performance points (OPP)
framework.
Specifics:
- Fix the handling of the "operating-points-v2" property to avoid
failures if multiple phandles are present in it which is legitimate
(Viresh Kumar).
- Drop the unnecessary static initialization of the .owner field in
the ti_opp_supply_driver structure (YueHaibing)"
* tag 'pm-4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
OPP: Fix parsing of multiple phandles in "operating-points-v2" property
opp: ti-opp-supply: Fix platform_no_drv_owner.cocci warnings
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Pagefaults occurred in non-ODP MR are completely valid events, so
initialize return variable to 0.
Fixes: 4d5422a309de ("IB/mlx5: Skip non-ODP MR when handling a page fault")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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* acpica-fixes:
ACPICA: Fix handling of buffer-size in acpi_ex_write_data_to_field()
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Martin Schwidefsky:
- Add two missing kfree calls on error paths in the vfio-ccw code
- Make sure that all data structures of a mediated vfio-ccw device are
initialized before registering it
- Fix a sparse warning in vfio-ccw
- A followup patch for the pgtable_bytes accounting, the page table
downgrade for compat processes missed a mm_dec_nr_pmds()
- Reject sampling requests in the PMU init function of the CPU
measurement counter facility
- With the vfio AP driver an AP queue needs to be reset on every device
probe as the alternative driver could have modified the device state
* tag 's390-4.20-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/mm: correct pgtable_bytes on page table downgrade
s390/zcrypt: reinit ap queue state machine during device probe
s390/cpum_cf: Reject request for sampling in event initialization
s390/cio: Fix cleanup when unsupported IDA format is used
s390/cio: Fix cleanup of pfn_array alloc failure
vfio: ccw: Register mediated device once all structures are initialized
s390/cio: make vfio_ccw_io_region static
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kfree() is incorrectly used to release the pages allocated by
__get_free_page() and __get_free_pages(). Use the matching deallocators
i.e., free_page() and free_pages(), respectively.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
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This reverts commit b3cf8528bb21febb650a7ecbf080d0647be40b9f.
That commit unintentionally broke Xen balloon memory hotplug with
"hotplug_unpopulated" set to 1. As long as "System RAM" resource
got assigned under a new "Unusable memory" resource in IO/Mem tree
any attempt to online this memory would fail due to general kernel
restrictions on having "System RAM" resources as 1st level only.
The original issue that commit has tried to workaround fa564ad96366
("x86/PCI: Enable a 64bit BAR on AMD Family 15h (Models 00-1f, 30-3f,
60-7f)") also got amended by the following 03a551734 ("x86/PCI: Move
and shrink AMD 64-bit window to avoid conflict") which made the
original fix to Xen ballooning unnecessary.
Signed-off-by: Igor Druzhinin <igor.druzhinin@citrix.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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Add a missing header otherwise compiler warns about missed prototype:
drivers/xen/xlate_mmu.c:183:5: warning: no previous prototype for 'xen_xlate_unmap_gfn_range?' [-Wmissing-prototypes]
int xen_xlate_unmap_gfn_range(struct vm_area_struct *vma,
^~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Srikanth Boddepalli <boddepalli.srikanth@gmail.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Joey Pabalinas <joeypabalinas@gmail.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
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of_dma_controller_free() was not called on module onloading.
This lead to a soft lockup:
watchdog: BUG: soft lockup - CPU#0 stuck for 23s!
Modules linked in: at_hdmac [last unloaded: at_hdmac]
when of_dma_request_slave_channel() tried to call ofdma->of_dma_xlate().
Cc: stable@vger.kernel.org
Fixes: bbe89c8e3d59 ("at_hdmac: move to generic DMA binding")
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The leak was found when opening/closing a serial port a great number of
time, increasing kmalloc-32 in slabinfo.
Each time the port was opened, dma_request_slave_channel() was called.
Then, in at_dma_xlate(), atslave was allocated with devm_kzalloc() and
never freed. (Well, it was free at module unload, but that's not what we
want).
So, here, kzalloc is more suited for the job since it has to be freed in
atc_free_chan_resources().
Cc: stable@vger.kernel.org
Fixes: bbe89c8e3d59 ("at_hdmac: move to generic DMA binding")
Reported-by: Mario Forner <m.forner@be4energy.com>
Suggested-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
USB: fixes for v4.20-rc4
In this second set of fixes for the current -rc cycle, we have some
regressions fixes for the old omap_udc driver done by Aaro Koskinen.
We're also reverting an old patch on dwc3 which is, now, known to
break USB certification in some cases.
We have a fix on u_ether for an unsafe list iteration.
* tag 'fixes-for-v4.20-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
usb: gadget: u_ether: fix unsafe list iteration
USB: omap_udc: fix rejection of out transfers when DMA is used
USB: omap_udc: fix USB gadget functionality on Palm Tungsten E
USB: omap_udc: fix omap_udc_start() on 15xx machines
USB: omap_udc: fix crashes on probe error and module removal
USB: omap_udc: use devm_request_irq()
Revert "usb: dwc3: gadget: skip Set/Clear Halt when invalid"
|
|
git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
- mst: Don't try to validate ports while destroying them (Lyude)
- Revert: Don't try to validate ports while destroying them (Lyude)
- core: Don't set device to master unless set_master succeeds (Sergio)
- meson: Do vblank_on/off on enable/disable (Neil)
- meson: Use fast_io regmap option to avoid sleeping in irq ctx (Lyude)
- meson: Don't walk off the end of the OSD EOTF LUTs (Lyude)
Cc: Lyude Paul <lyude@redhat.com>
Cc: Sergio Correia <sergio@correia.cc>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128212936.GA21379@art_vandelay
|
|
into drm-fixes
Fixes for 4.20. Nothing major.
- DC DP MST fix
- GPUVM fix for huge page mapping
- RLC fix for vega20
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexdeucher@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128195905.2897-1-alexander.deucher@amd.com
|
|
git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
Just gvt-fixes-2018-11-26
""One to correct MOCS registers load on engine list, one for rpm lock
warning fix, and another for use-after-free fix for partial ggtt
list destroy. "
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128180648.GA17585@jlahtine-desk.ger.corp.intel.com
|
|
drm-fixes
R-Car DU v4.20 regression fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8134504.ZSXK7gKU4H@avalon
|
|
v1: over-sample data to increase the stability with some specific monitors
v2: refine to avoid infinite loop
v3: remove un-necessary "volatile" declaration
[airlied: fix two checkpatch warnings]
Signed-off-by: Y.C. Chen <yc_chen@aspeedtech.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1542858988-1127-1-git-send-email-yc_chen@aspeedtech.com
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|
If the platform has no IO space, ioregs is placed next to the already
allocated regs. In this case, it should not be separately freed.
This prevents a kernel warning from __vunmap "Trying to vfree()
nonexistent vm area" when unloading the driver.
Fixes: 0dd68309b9c5 ("drm/ast: Try to use MMIO registers when PIO isn't supported")
Signed-off-by: Sam Bobroff <sbobroff@linux.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>
|
|
This reverts commit:
c54c7374ff44 ("drm/dp_mst: Skip validating ports during destruction, just ref")
ugh.
In drm_dp_destroy_connector_work(), we have a pretty good chance of
freeing the actual struct drm_dp_mst_port. However, after destroying
things we send a hotplug through (*mgr->cbs->hotplug)(mgr) which is
where the problems start.
For i915, this calls all the way down to the fbcon probing helpers,
which start trying to access the port in a modeset.
[ 45.062001] ==================================================================
[ 45.062112] BUG: KASAN: use-after-free in ex_handler_refcount+0x146/0x180
[ 45.062196] Write of size 4 at addr ffff8882b4b70968 by task kworker/3:1/53
[ 45.062325] CPU: 3 PID: 53 Comm: kworker/3:1 Kdump: loaded Tainted: G O 4.20.0-rc4Lyude-Test+ #3
[ 45.062442] Hardware name: LENOVO 20BWS1KY00/20BWS1KY00, BIOS JBET71WW (1.35 ) 09/14/2018
[ 45.062554] Workqueue: events drm_dp_destroy_connector_work [drm_kms_helper]
[ 45.062641] Call Trace:
[ 45.062685] dump_stack+0xbd/0x15a
[ 45.062735] ? dump_stack_print_info.cold.0+0x1b/0x1b
[ 45.062801] ? printk+0x9f/0xc5
[ 45.062847] ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 45.062909] ? ex_handler_refcount+0x146/0x180
[ 45.062970] print_address_description+0x71/0x239
[ 45.063036] ? ex_handler_refcount+0x146/0x180
[ 45.063095] kasan_report.cold.5+0x242/0x30b
[ 45.063155] __asan_report_store4_noabort+0x1c/0x20
[ 45.063313] ex_handler_refcount+0x146/0x180
[ 45.063371] ? ex_handler_clear_fs+0xb0/0xb0
[ 45.063428] fixup_exception+0x98/0xd7
[ 45.063484] ? raw_notifier_call_chain+0x20/0x20
[ 45.063548] do_trap+0x6d/0x210
[ 45.063605] ? _GLOBAL__sub_I_65535_1_drm_dp_aux_unregister_devnode+0x2f/0x1c6 [drm_kms_helper]
[ 45.063732] do_error_trap+0xc0/0x170
[ 45.063802] ? _GLOBAL__sub_I_65535_1_drm_dp_aux_unregister_devnode+0x2f/0x1c6 [drm_kms_helper]
[ 45.063929] do_invalid_op+0x3b/0x50
[ 45.063997] ? _GLOBAL__sub_I_65535_1_drm_dp_aux_unregister_devnode+0x2f/0x1c6 [drm_kms_helper]
[ 45.064103] invalid_op+0x14/0x20
[ 45.064162] RIP: 0010:_GLOBAL__sub_I_65535_1_drm_dp_aux_unregister_devnode+0x2f/0x1c6 [drm_kms_helper]
[ 45.064274] Code: 00 48 c7 c7 80 fe 53 a0 48 89 e5 e8 5b 6f 26 e1 5d c3 48 8d 0e 0f 0b 48 8d 0b 0f 0b 48 8d 0f 0f 0b 48 8d 0f 0f 0b 49 8d 4d 00 <0f> 0b 49 8d 0e 0f 0b 48 8d 08 0f 0b 49 8d 4d 00 0f 0b 48 8d 0b 0f
[ 45.064569] RSP: 0018:ffff8882b789ee10 EFLAGS: 00010282
[ 45.064637] RAX: ffff8882af47ae70 RBX: ffff8882af47aa60 RCX: ffff8882b4b70968
[ 45.064723] RDX: ffff8882af47ae70 RSI: 0000000000000008 RDI: ffff8882b788bdb8
[ 45.064808] RBP: ffff8882b789ee28 R08: ffffed1056f13db4 R09: ffffed1056f13db3
[ 45.064894] R10: ffffed1056f13db3 R11: ffff8882b789ed9f R12: ffff8882af47ad28
[ 45.064980] R13: ffff8882b4b70968 R14: ffff8882acd86728 R15: ffff8882b4b75dc8
[ 45.065084] drm_dp_mst_reset_vcpi_slots+0x12/0x80 [drm_kms_helper]
[ 45.065225] intel_mst_disable_dp+0xda/0x180 [i915]
[ 45.065361] intel_encoders_disable.isra.107+0x197/0x310 [i915]
[ 45.065498] haswell_crtc_disable+0xbe/0x400 [i915]
[ 45.065622] ? i9xx_disable_plane+0x1c0/0x3e0 [i915]
[ 45.065750] intel_atomic_commit_tail+0x74e/0x3e60 [i915]
[ 45.065884] ? intel_pre_plane_update+0xbc0/0xbc0 [i915]
[ 45.065968] ? drm_atomic_helper_swap_state+0x88b/0x1d90 [drm_kms_helper]
[ 45.066054] ? kasan_check_write+0x14/0x20
[ 45.066165] ? i915_gem_track_fb+0x13a/0x330 [i915]
[ 45.066277] ? i915_sw_fence_complete+0xe9/0x140 [i915]
[ 45.066406] ? __i915_sw_fence_complete+0xc50/0xc50 [i915]
[ 45.066540] intel_atomic_commit+0x72e/0xef0 [i915]
[ 45.066635] ? drm_dev_dbg+0x200/0x200 [drm]
[ 45.066764] ? intel_atomic_commit_tail+0x3e60/0x3e60 [i915]
[ 45.066898] ? intel_atomic_commit_tail+0x3e60/0x3e60 [i915]
[ 45.067001] drm_atomic_commit+0xc4/0xf0 [drm]
[ 45.067074] restore_fbdev_mode_atomic+0x562/0x780 [drm_kms_helper]
[ 45.067166] ? drm_fb_helper_debug_leave+0x690/0x690 [drm_kms_helper]
[ 45.067249] ? kasan_check_read+0x11/0x20
[ 45.067324] restore_fbdev_mode+0x127/0x4b0 [drm_kms_helper]
[ 45.067364] ? kasan_check_read+0x11/0x20
[ 45.067406] drm_fb_helper_restore_fbdev_mode_unlocked+0x164/0x200 [drm_kms_helper]
[ 45.067462] ? drm_fb_helper_hotplug_event+0x30/0x30 [drm_kms_helper]
[ 45.067508] ? kasan_check_write+0x14/0x20
[ 45.070360] ? mutex_unlock+0x22/0x40
[ 45.073748] drm_fb_helper_set_par+0xb2/0xf0 [drm_kms_helper]
[ 45.075846] drm_fb_helper_hotplug_event.part.33+0x1cd/0x290 [drm_kms_helper]
[ 45.078088] drm_fb_helper_hotplug_event+0x1c/0x30 [drm_kms_helper]
[ 45.082614] intel_fbdev_output_poll_changed+0x9f/0x140 [i915]
[ 45.087069] drm_kms_helper_hotplug_event+0x67/0x90 [drm_kms_helper]
[ 45.089319] intel_dp_mst_hotplug+0x37/0x50 [i915]
[ 45.091496] drm_dp_destroy_connector_work+0x510/0x6f0 [drm_kms_helper]
[ 45.093675] ? drm_dp_update_payload_part1+0x1220/0x1220 [drm_kms_helper]
[ 45.095851] ? kasan_check_write+0x14/0x20
[ 45.098473] ? kasan_check_read+0x11/0x20
[ 45.101155] ? strscpy+0x17c/0x530
[ 45.103808] ? __switch_to_asm+0x34/0x70
[ 45.106456] ? syscall_return_via_sysret+0xf/0x7f
[ 45.109711] ? read_word_at_a_time+0x20/0x20
[ 45.113138] ? __switch_to_asm+0x40/0x70
[ 45.116529] ? __switch_to_asm+0x34/0x70
[ 45.119891] ? __switch_to_asm+0x40/0x70
[ 45.123224] ? __switch_to_asm+0x34/0x70
[ 45.126540] ? __switch_to_asm+0x34/0x70
[ 45.129824] process_one_work+0x88d/0x15d0
[ 45.133172] ? pool_mayday_timeout+0x850/0x850
[ 45.136459] ? pci_mmcfg_check_reserved+0x110/0x128
[ 45.139739] ? wake_q_add+0xb0/0xb0
[ 45.143010] ? check_preempt_wakeup+0x652/0x1050
[ 45.146304] ? worker_enter_idle+0x29e/0x740
[ 45.149589] ? __schedule+0x1ec0/0x1ec0
[ 45.152937] ? kasan_check_read+0x11/0x20
[ 45.156179] ? _raw_spin_lock_irq+0xa3/0x130
[ 45.159382] ? _raw_read_unlock_irqrestore+0x30/0x30
[ 45.162542] ? kasan_check_write+0x14/0x20
[ 45.165657] worker_thread+0x1a5/0x1470
[ 45.168725] ? set_load_weight+0x2e0/0x2e0
[ 45.171755] ? process_one_work+0x15d0/0x15d0
[ 45.174806] ? __switch_to_asm+0x34/0x70
[ 45.177645] ? __switch_to_asm+0x40/0x70
[ 45.180323] ? __switch_to_asm+0x34/0x70
[ 45.182936] ? __switch_to_asm+0x40/0x70
[ 45.185539] ? __switch_to_asm+0x34/0x70
[ 45.188100] ? __switch_to_asm+0x40/0x70
[ 45.190628] ? __schedule+0x7d4/0x1ec0
[ 45.193143] ? save_stack+0xa9/0xd0
[ 45.195632] ? kasan_check_write+0x10/0x20
[ 45.198162] ? kasan_kmalloc+0xc4/0xe0
[ 45.200609] ? kmem_cache_alloc_trace+0xdd/0x190
[ 45.203046] ? kthread+0x9f/0x3b0
[ 45.205470] ? ret_from_fork+0x35/0x40
[ 45.207876] ? unwind_next_frame+0x43/0x50
[ 45.210273] ? __save_stack_trace+0x82/0x100
[ 45.212658] ? deactivate_slab.isra.67+0x3d4/0x580
[ 45.215026] ? default_wake_function+0x35/0x50
[ 45.217399] ? kasan_check_read+0x11/0x20
[ 45.219825] ? _raw_spin_lock_irqsave+0xae/0x140
[ 45.222174] ? __lock_text_start+0x8/0x8
[ 45.224521] ? replenish_dl_entity.cold.62+0x4f/0x4f
[ 45.226868] ? __kthread_parkme+0x87/0xf0
[ 45.229200] kthread+0x2f7/0x3b0
[ 45.231557] ? process_one_work+0x15d0/0x15d0
[ 45.233923] ? kthread_park+0x120/0x120
[ 45.236249] ret_from_fork+0x35/0x40
[ 45.240875] Allocated by task 242:
[ 45.243136] save_stack+0x43/0xd0
[ 45.245385] kasan_kmalloc+0xc4/0xe0
[ 45.247597] kmem_cache_alloc_trace+0xdd/0x190
[ 45.249793] drm_dp_add_port+0x1e0/0x2170 [drm_kms_helper]
[ 45.252000] drm_dp_send_link_address+0x4a7/0x740 [drm_kms_helper]
[ 45.254389] drm_dp_check_and_send_link_address+0x1a7/0x210 [drm_kms_helper]
[ 45.256803] drm_dp_mst_link_probe_work+0x6f/0xb0 [drm_kms_helper]
[ 45.259200] process_one_work+0x88d/0x15d0
[ 45.261597] worker_thread+0x1a5/0x1470
[ 45.264038] kthread+0x2f7/0x3b0
[ 45.266371] ret_from_fork+0x35/0x40
[ 45.270937] Freed by task 53:
[ 45.273170] save_stack+0x43/0xd0
[ 45.275382] __kasan_slab_free+0x139/0x190
[ 45.277604] kasan_slab_free+0xe/0x10
[ 45.279826] kfree+0x99/0x1b0
[ 45.282044] drm_dp_free_mst_port+0x4a/0x60 [drm_kms_helper]
[ 45.284330] drm_dp_destroy_connector_work+0x43e/0x6f0 [drm_kms_helper]
[ 45.286660] process_one_work+0x88d/0x15d0
[ 45.288934] worker_thread+0x1a5/0x1470
[ 45.291231] kthread+0x2f7/0x3b0
[ 45.293547] ret_from_fork+0x35/0x40
[ 45.298206] The buggy address belongs to the object at ffff8882b4b70968
which belongs to the cache kmalloc-2k of size 2048
[ 45.303047] The buggy address is located 0 bytes inside of
2048-byte region [ffff8882b4b70968, ffff8882b4b71168)
[ 45.308010] The buggy address belongs to the page:
[ 45.310477] page:ffffea000ad2dc00 count:1 mapcount:0 mapping:ffff8882c080cf40 index:0x0 compound_mapcount: 0
[ 45.313051] flags: 0x8000000000010200(slab|head)
[ 45.315635] raw: 8000000000010200 ffffea000aac2808 ffffea000abe8608 ffff8882c080cf40
[ 45.318300] raw: 0000000000000000 00000000000d000d 00000001ffffffff 0000000000000000
[ 45.320966] page dumped because: kasan: bad access detected
[ 45.326312] Memory state around the buggy address:
[ 45.329085] ffff8882b4b70800: fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 45.331845] ffff8882b4b70880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 45.334584] >ffff8882b4b70900: fc fc fc fc fc fc fc fc fc fc fc fc fc fb fb fb
[ 45.337302] ^
[ 45.340061] ffff8882b4b70980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 45.342910] ffff8882b4b70a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 45.345748] ==================================================================
So, this definitely isn't a fix that we want. This being said; there's
no real easy fix for this problem because of some of the catch-22's of
the MST helpers current design. For starters; we always need to validate
a port with drm_dp_get_validated_port_ref(), but validation relies on
the lifetime of the port in the actual topology. So once the port is
gone, it can't be validated again.
If we were to try to make the payload helpers not use port validation,
then we'd cause another problem: if the port isn't validated, it could
be freed and we'd just start causing more KASAN issues. There are
already hacks that attempt to workaround this in
drm_dp_mst_destroy_connector_work() by re-initializing the kref so that
it can be used again and it's memory can be freed once the VCPI helpers
finish removing the port's respective payloads. But none of these really
do anything helpful since the port still can't be validated since it's
gone from the topology. Also, that workaround is immensely confusing to
read through.
What really needs to be done in order to fix this is to teach DRM how to
track the lifetime of the structs for MST ports and branch devices
separately from their lifetime in the actual topology. Simply put; this
means having two different krefs-one that removes the port/branch device
from the topology, and one that finally calls kfree(). This would let us
simplify things, since we'd now be able to keep ports around without
having to keep them in the topology at the same time, which is exactly
what we need in order to teach our VCPI helpers to only validate ports
when it's actually necessary without running the risk of trying to use
unallocated memory.
Such a fix is on it's way, but for now let's play it safe and just
revert this. If this bug has been around for well over a year, we can
wait a little while to get an actual proper fix here.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Fixes: c54c7374ff44 ("drm/dp_mst: Skip validating ports during destruction, just ref")
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Sean Paul <sean@poorly.run>
Cc: Jerry Zuo <Jerry.Zuo@amd.com>
Cc: Harry Wentland <Harry.Wentland@amd.com>
Cc: stable@vger.kernel.org # v4.6+
Acked-by: Sean Paul <sean@poorly.run>
Link: https://patchwork.freedesktop.org/patch/msgid/20181128210005.24434-1-lyude@redhat.com
|
|
Pull networking fixes from David Miller:
1) ARM64 JIT fixes for subprog handling from Daniel Borkmann.
2) Various sparc64 JIT bug fixes (fused branch convergance, frame
pointer usage detection logic, PSEODU call argument handling).
3) Fix to use BH locking in nf_conncount, from Taehee Yoo.
4) Fix race of TX skb freeing in ipheth driver, from Bernd Eckstein.
5) Handle return value of TX NAPI completion properly in lan743x
driver, from Bryan Whitehead.
6) MAC filter deletion in i40e driver clears wrong state bit, from
Lihong Yang.
7) Fix use after free in rionet driver, from Pan Bian.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (53 commits)
s390/qeth: fix length check in SNMP processing
net: hisilicon: remove unexpected free_netdev
rapidio/rionet: do not free skb before reading its length
i40e: fix kerneldoc for xsk methods
ixgbe: recognize 1000BaseLX SFP modules as 1Gbps
i40e: Fix deletion of MAC filters
igb: fix uninitialized variables
netfilter: nf_tables: deactivate expressions in rule replecement routine
lan743x: Enable driver to work with LAN7431
tipc: fix lockdep warning during node delete
lan743x: fix return value for lan743x_tx_napi_poll
net: via: via-velocity: fix spelling mistake "alignement" -> "alignment"
qed: fix spelling mistake "attnetion" -> "attention"
net: thunderx: fix NULL pointer dereference in nic_remove
sctp: increase sk_wmem_alloc when head->truesize is increased
firestream: fix spelling mistake: "Inititing" -> "Initializing"
net: phy: add workaround for issue where PHY driver doesn't bind to the device
usbnet: ipheth: fix potential recvmsg bug and recvmsg bug 2
sparc: Adjust bpf JIT prologue for PSEUDO calls.
bpf, doc: add entries of who looks over which jits
...
|
|
Driver shouldn't try to access any GFX registers until RLC is idle.
During the test, it took 12 seconds for RLC to clear the BUSY bit
in RLC_GPM_STAT register which is un-acceptable for driver.
As per RLC engineer, it would take RLC Ucode less than 10,000 GFXCLK
cycles to finish its critical section. In a lowest 300M enginer clock
setting(default from vbios), 50 us delay is enough.
This commit fix the hang when RLC introduce the work around for XGMI
which requires more cycles to setup more registers than normal
Signed-off-by: shaoyunl <shaoyun.liu@amd.com>
Acked-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Don't bounce back to the root level for fragment processing, because
huge pages are not supported at that level. This is unlikely to happen
with the default VM size on Vega, but can be exposed by limiting the
VM size with the amdgpu.vm_size module parameter.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
Avoid potential integer overflows with left shift in huge-page mapping
code by casting the operand to uin64_t first.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Jeff Kirsher says:
====================
Intel Wired LAN Driver Fixes 2018-11-28
This series contains fixes to igb, ixgbe and i40e.
Yunjian Wang from Huawei resolves a variable that could potentially be
NULL before it is used.
Lihong fixes an i40e issue which goes back to 4.17 kernels, where
deleting any of the MAC filters was causing the incorrect syncing for
the PF.
Josh Elsasser caught that there were missing enum values in the link
capabilities for x550 devices, which was preventing link for 1000BaseLX
SFP modules.
Jan fixes the function header comments for XSK methods.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
The response for a SNMP request can consist of multiple parts, which
the cmd callback stages into a kernel buffer until all parts have been
received. If the callback detects that the staging buffer provides
insufficient space, it bails out with error.
This processing is buggy for the first part of the response - while it
initially checks for a length of 'data_len', it later copies an
additional amount of 'offsetof(struct qeth_snmp_cmd, data)' bytes.
Fix the calculation of 'data_len' for the first part of the response.
This also nicely cleans up the memcpy code.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Reviewed-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The net device ndev is freed via free_netdev when failing to register
the device. The control flow then jumps to the error handling code
block. ndev is used and freed again. Resulting in a use-after-free bug.
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb is freed via dev_kfree_skb_any, however, skb->len is read then. This
may result in a use-after-free bug.
Fixes: e6161d64263 ("rapidio/rionet: rework driver initialization and removal")
Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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One method, xsk_umem_setup, had an incorrect kernel doc
description, which has been corrected.
Also fixes small typos found in the comments.
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A few driver specific fixes here, nothing big or that stands out for
anyone other than the driver users.
The omap2-mcspi fix is for issues that started showing up with a
change in defconfig in this release to make cpuidle get turned on by
default"
* tag 'spi-fix-v4.20-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: omap2-mcspi: Add missing suspend and resume calls
spi: mediatek: use correct mata->xfer_len when in fifo transfer
spi: uniphier: fix incorrect property items
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Add the two 1000BaseLX enum values to the X550's check for 1Gbps modules,
allowing the core driver code to establish a link over this SFP type.
This is done by the out-of-tree driver but the fix wasn't in mainline.
Fixes: e23f33367882 ("ixgbe: Fix 1G and 10G link stability for X550EM_x SFP+”)
Fixes: 6a14ee0cfb19 ("ixgbe: Add X550 support function pointers")
Signed-off-by: Josh Elsasser <jelsasser@appneta.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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