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The gpiochip_generic_request() and gpiochip_generic_free() functions can
now deal properly with chips that don't have any pin-ranges defined, so
they can be assigned unconditionally.
Suggested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20200401200527.2982450-1-thierry.reding@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Since DID_ALLOC_FAILURE and DID_MEDIUM_ERROR are missing from the
hostbyte_table, scsi debug logging prints their numeric values only.
Adding them to the hostbyte_table to allow the scsi debug log to print
those as strings.
Link: https://lore.kernel.org/r/CAMNNMLFtQOHsjWUMs+q_+z9XqQYZmR34ewoB-5LrCpzGp1Ppkw@mail.gmail.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nikhil Kshirsagar <nkshirsa@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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When scaling gear, use ufshcd_config_pwr_mode() instead of
ufshcd_change_power_mode() so that vops_pwr_change_notify(PRE_CHANGE)
can be utilized to allow vendors use customized settings before
changing power mode.
Link: https://lore.kernel.org/r/1581485910-8307-2-git-send-email-cang@codeaurora.org
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Pull rdma updates from Jason Gunthorpe:
"The majority of the patches are cleanups, refactorings and clarity
improvements.
This cycle saw some more activity from Syzkaller, I think we are now
clean on all but one of those bugs, including the long standing and
obnoxious rdma_cm locking design defect. Continue to see many drivers
getting cleanups, with a few new user visible features.
Summary:
- Various driver updates for siw, bnxt_re, rxe, efa, mlx5, hfi1
- Lots of cleanup patches for hns
- Convert more places to use refcount
- Aggressively lock the RDMA CM code that syzkaller says isn't
working
- Work to clarify ib_cm
- Use the new ib_device lifecycle model in bnxt_re
- Fix mlx5's MR cache which seems to be failing more often with the
new ODP code
- mlx5 'dynamic uar' and 'tx steering' user interfaces"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (144 commits)
RDMA/bnxt_re: make bnxt_re_ib_init static
IB/qib: Delete struct qib_ivdev.qp_rnd
RDMA/hns: Fix uninitialized variable bug
RDMA/hns: Modify the mask of QP number for CQE of hip08
RDMA/hns: Reduce the maximum number of extend SGE per WQE
RDMA/hns: Reduce PFC frames in congestion scenarios
RDMA/mlx5: Add support for RDMA TX flow table
net/mlx5: Add support for RDMA TX steering
IB/hfi1: Call kobject_put() when kobject_init_and_add() fails
IB/hfi1: Fix memory leaks in sysfs registration and unregistration
IB/mlx5: Move to fully dynamic UAR mode once user space supports it
IB/mlx5: Limit the scope of struct mlx5_bfreg_info to mlx5_ib
IB/mlx5: Extend QP creation to get uar page index from user space
IB/mlx5: Extend CQ creation to get uar page index from user space
IB/mlx5: Expose UAR object and its alloc/destroy commands
IB/hfi1: Get rid of a warning
RDMA/hns: Remove redundant judgment of qp_type
RDMA/hns: Remove redundant assignment of wc->smac when polling cq
RDMA/hns: Remove redundant qpc setup operations
RDMA/hns: Remove meaningless prints
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull hmm updates from Jason Gunthorpe:
"This series focuses on corner case bug fixes and general clarity
improvements to hmm_range_fault(). It arose from a review of
hmm_range_fault() by Christoph, Ralph and myself.
hmm_range_fault() is being used by these 'SVM' style drivers to
non-destructively read the page tables. It is very similar to
get_user_pages() except that the output is an array of PFNs and
per-pfn flags, and it has various modes of reading.
This is necessary before RDMA ODP can be converted, as we don't want
to have weird corner case regressions, which is still a looking
forward item. Ralph has a nice tester for this routine, but it is
waiting for feedback from the selftests maintainers.
Summary:
- 9 bug fixes
- Allow pgmap to track the 'owner' of a DEVICE_PRIVATE - in this case
the owner tells the driver if it can understand the DEVICE_PRIVATE
page or not. Use this to resolve a bug in nouveau where it could
touch DEVICE_PRIVATE pages from other drivers.
- Remove a bunch of dead, redundant or unused code and flags
- Clarity improvements to hmm_range_fault()"
* tag 'for-linus-hmm' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (25 commits)
mm/hmm: return error for non-vma snapshots
mm/hmm: do not set pfns when returning an error code
mm/hmm: do not unconditionally set pfns when returning EBUSY
mm/hmm: use device_private_entry_to_pfn()
mm/hmm: remove HMM_FAULT_SNAPSHOT
mm/hmm: remove unused code and tidy comments
mm/hmm: return the fault type from hmm_pte_need_fault()
mm/hmm: remove pgmap checking for devmap pages
mm/hmm: check the device private page owner in hmm_range_fault()
mm: simplify device private page handling in hmm_range_fault
mm: handle multiple owners of device private pages in migrate_vma
memremap: add an owner field to struct dev_pagemap
mm: merge hmm_vma_do_fault into into hmm_vma_walk_hole_
mm/hmm: don't handle the non-fault case in hmm_vma_walk_hole_()
mm/hmm: simplify hmm_vma_walk_hugetlb_entry()
mm/hmm: remove the unused HMM_FAULT_ALLOW_RETRY flag
mm/hmm: don't provide a stub for hmm_range_fault()
mm/hmm: do not check pmd_protnone twice in hmm_vma_handle_pmd()
mm/hmm: add missing call to hmm_pte_need_fault in HMM_PFN_SPECIAL handling
mm/hmm: return -EFAULT when setting HMM_PFN_ERROR on requested valid pages
...
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper updates from Mike Snitzer:
- Add DM writecache "cleaner" policy feature that allows cache to be
flushed while userspace monitors for completion to then discommision
use of caching.
- Optimize DM writecache superblock writing and also yield CPU while
initializing writecache on large PMEM devices to avoid CPU stalls.
- Various fixes to DM integrity target while preparing for the ability
to resize a DM integrity device. In addition to resize support, add
optional discard support with the "allow_discards" feature.
- Fix DM clone target's discard handling and overflow bugs which could
cause data corruption.
- Fix memory leak in destructor for DM verity FEC support.
- Fix DM zoned target's redundant increment of nr_rnd_zones.
- Small cleanup in DM crypt to use crypt_integrity_aead() helper.
* tag 'for-5.7/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm clone metadata: Fix return type of dm_clone_nr_of_hydrated_regions()
dm clone: Add missing casts to prevent overflows and data corruption
dm clone: Add overflow check for number of regions
dm clone: Fix handling of partial region discards
dm writecache: add cond_resched to avoid CPU hangs
dm integrity: improve discard in journal mode
dm integrity: add optional discard support
dm integrity: allow resize of the integrity device
dm integrity: factor out get_provided_data_sectors()
dm integrity: don't replay journal data past the end of the device
dm integrity: remove sector type casts
dm integrity: fix a crash with unusually large tag size
dm zoned: remove duplicate nr_rnd_zones increase in dmz_init_zone()
dm verity fec: fix memory leak in verity_fec_dtr
dm writecache: optimize superblock write
dm writecache: implement gradual cleanup
dm writecache: implement the "cleaner" policy
dm writecache: do direct write if the cache is full
dm integrity: print device name in integrity_metadata() error message
dm crypt: use crypt_integrity_aead() helper
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Pull drm updates from Dave Airlie:
"This is the main drm pull request for 5.7-rc1.
Highlights:
- i915 enables Tigerlake by default
- i915 and amdgpu have initial OLED backlight support
[ Jani Nikula pipes up and points out that we've had a bunch of
"initial support" code for a long time already, but only now
Lyude made it actually work on real world machines ]
- vmwgfx add support to enable OpenGL 4 userspace
- zero length arrays are mostly removed.
Detailed summary:
new driver:
- tidss: TI Keystone platform display subsystem
core:
- new drm device warn macros
- mode config valid for memory constrained devices
- bridge bus format negotation
- consolidated fake vblank event handling
- dma_alloc related cleanups
- drop get_crtc callback
- dp: DP1.4 EDID corruption test
- EDID CEA detailed timings improvements
- relicense some code to dual GPL2/MIT
- convert core vblank support to per-crtc support
- rework drm_global_mutex
- bridge rework to allow omap_dss custom driver removeal
- remove drm_fb_helper connector interrfaces
- zero-length array removal
scheduler:
- support for modifying the sched list
- revert job distribution optimization
- helper to pick least loaded scheduler
- race condition fix
mst:
- various fixes
- remove register_connector callback
i915:
- uapi to allows userspace specific CS ring buffer sizes
- Tigerlake enablement patches + Tigerlake enabled by default
- new sysfs entries for engine properties
- display/logging refactors
- eDP/DP fixes for DPCD
- Gen7 back to aliasing-ppgtt
- Gen8+ irq refactor
- Avoid globals
- GEM locking fixes and simplifications
- Ice Lake and Elkhart Lake fixes and workarounds
- Baytrail/Haswell instability fix
- GVT - VFIO edid better support
amdgpu:
- Rework VM update handling in preparation for HMM support
- drm load/unload removal fixups
- USB-C PD firmware updates
- HDCP srm support
- Navi/renoir PM watermark fixes
- OLED panel support
- Optimize debugging vram access
- Use BACO for runtime pm
- DC clock programming optimizations and fixes
- PSP fw loading sequence updates
- Drop DRIVER_USE_AGP
- Remove legacy drm load and unload callbacks
- ACP Kconfig fix
- Lots of fixes across the driver
amdkfd:
- runtime pm support
- more gfx config details in amdgpu
radeon:
- drop DRIVER_USE_AGP
vmwgfx:
- Disable DMA when SEV encryption in use
- Shader Model 5 support - needed for GL4 support
msm:
- DPU resource manager refactor
- dpu using atomic global state
mediatek:
- MT8183 DPI support
etnaviv:
- out-of-bounds read fix
- expose feature flags for GC400 STM32MP1 SoC
- runtime suspend entry fix
- dma32 zone fix
hisilicon:
- mode selection fixes
meson:
- YUV420 support
lima:
- add support for heap buffers
tinydrm:
- removal of owner field
- explicit DT dependency removal
- YAML schema conversion
tegra:
- misc cleanups
tidss:
- new driver
virtio:
- better batching of notifications to host
- memory handling reworked
- shmem + gpu context fixes
hibmc:
- add gamma_set support
- improve DPMS support
pl111:
- Integrator IM-PD1 support
sun4i:
- LVDS support for A20 + A33
- DSI panel handling improvements"
* tag 'drm-next-2020-04-01' of git://anongit.freedesktop.org/drm/drm: (1537 commits)
drm/i915/display: Fix mode private_flags comparison at atomic_check
drm/i915/gt: Stage the transfer of the virtual breadcrumb
drm/i915/gt: Select the deepest available parking mode for rc6
drm/i915: Avoid live-lock with i915_vma_parked()
drm/i915/gt: Treat idling as a RPS downclock event
drm/i915/gt: Cancel a hung context if already closed
drm/i915: Use explicit flag to mark unreachable intel_context
drm/amdgpu: don't try to reserve training bo for sriov (v2)
drm/amdgpu/smu11: add support for SMU AC/DC interrupts
drm/amdgpu/swSMU: handle manual AC/DC notifications
drm/amdgpu/swSMU: handle DC controlled by GPIO for navi1x
drm/amdgpu/swSMU: set AC/DC mode based on the current system state (v2)
drm/amdgpu/swSMU: correct the bootup power source for Navi1X (v2)
drm/amdgpu/swSMU: use the smu11 power source helper for navi1x
drm/amdgpu/smu11: add a helper to set the power source
drm/amd/swSMU: add callback to set AC/DC power source (v2)
drm/scheduler: fix rare NULL ptr race
drm/amdgpu: fix the coverage issue to clear ArcVPGRs
drm/amd/display: Fix pageflip event race condition for DCN.
drm/[radeon|amdgpu]: Remove HAINAN board from max_sclk override check
...
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git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar:
- imx: add support for i.MX8/8X to existing driver
- mediatek: drop the atomix execution feature, add flush
- allwinner: new 'msgbox' controller driver
- armada: misc: drop redundant error print
- bcm: misc: catch error in probe and snprintf buffer overflow
* tag 'mailbox-v5.7' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
mailbox: imx: add SCU MU support
mailbox: imx: restructure code to make easy for new MU
dt-bindings: mailbox: imx-mu: add SCU MU support
mailbox: mediatek: remove implementation related to atomic_exec
mailbox: mediatek: implement flush function
dt-binding: gce: remove atomic_exec in mboxes property
maillbox: bcm-flexrm-mailbox: handle cmpl_pool dma allocation failure
mailbox: sun6i-msgbox: Add a new mailbox driver
dt-bindings: mailbox: Add a binding for the sun6i msgbox
mailbox: bcm-pdc: Use scnprintf() for avoiding potential buffer overflow
mailbox:armada-37xx-rwtm:remove duplicate print in armada_37xx_mbox_probe()
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Jiri Kosina:
- Logitech HID++ protocol support improvement from Filipe Laíns
- probe fix for Logitech-G* devices from Hans de Goede
- a few other small code cleanups and support for new device IDs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: rmi: Simplify an error handling path in 'rmi_hid_read_block()'
HID: intel-ish-hid: hbm.h: Replace zero-length array with flexible-array member
HID: intel-ish-hid: ishtp-dev.h: Replace zero-length array with flexible-array member
HID: Add driver fixing Glorious PC Gaming Race mouse report descriptor
HID: lg-g15: Do not fail the probe when we fail to disable F# emulation
HID: appleir: Use devm_kzalloc() instead of kzalloc()
HID: appleir: Remove unnecessary goto label
HID: logitech-dj: add support for the static device in the Powerplay mat/receiver
HID: mcp2221: add usb to i2c-smbus host bridge
HID: logitech-dj: add debug msg when exporting a HID++ report descriptors
HID: quirks: Remove ITE 8595 entry from hid_have_special_driver
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree updates from Jiri Kosina:
"My attempt to revitalize trivial queue I've been neglecting for years
(what a disaster that was for this world, right? :) ) with patches
collected from backlog that were still relevant and not applied
elsewhere in the meantime"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial:
err.h: remove deprecated PTR_RET for good
blk-mq: Fix typo in comment
x86/boot: Fix comment spelling
sh: mach-highlander: Fix comment spelling
s390/dasd: Fix comment spelling
mfd: wm8994: Fix comment spelling
docs: Add reference in binfmt-misc.rst
genirq: fix kerneldoc comment for irq_desc
drm/amdgpu: fix two documentation mismatch issues
HID: fix Kconfig word ordering
list/hashtable: minor documentation corrections.
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu:
"API:
- Fix out-of-sync IVs in self-test for IPsec AEAD algorithms
Algorithms:
- Use formally verified implementation of x86/curve25519
Drivers:
- Enhance hwrng support in caam
- Use crypto_engine for skcipher/aead/rsa/hash in caam
- Add Xilinx AES driver
- Add uacce driver
- Register zip engine to uacce in hisilicon
- Add support for OCTEON TX CPT engine in marvell"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (162 commits)
crypto: af_alg - bool type cosmetics
crypto: arm[64]/poly1305 - add artifact to .gitignore files
crypto: caam - limit single JD RNG output to maximum of 16 bytes
crypto: caam - enable prediction resistance in HRWNG
bus: fsl-mc: add api to retrieve mc version
crypto: caam - invalidate entropy register during RNG initialization
crypto: caam - check if RNG job failed
crypto: caam - simplify RNG implementation
crypto: caam - drop global context pointer and init_done
crypto: caam - use struct hwrng's .init for initialization
crypto: caam - allocate RNG instantiation descriptor with GFP_DMA
crypto: ccree - remove duplicated include from cc_aead.c
crypto: chelsio - remove set but not used variable 'adap'
crypto: marvell - enable OcteonTX cpt options for build
crypto: marvell - add the Virtual Function driver for CPT
crypto: marvell - add support for OCTEON TX CPT engine
crypto: marvell - create common Kconfig and Makefile for Marvell
crypto: arm/neon - memzero_explicit aes-cbc key
crypto: bcm - Use scnprintf() for avoiding potential buffer overflow
crypto: atmel-i2c - Fix wakeup fail
...
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When CONFIG_DEBUG_ALIGN_RODATA is enabled, kernel segments mapped with
different permissions (r-x for .text, r-- for .rodata, rw- for .data,
etc) are rounded up to 2 MiB so they can be mapped more efficiently.
In particular, it permits the segments to be mapped using level 2
block entries when using 4k pages, which is expected to result in less
TLB pressure.
However, the mappings for the bulk of the kernel will use level 2
entries anyway, and the misaligned fringes are organized such that they
can take advantage of the contiguous bit, and use far fewer level 3
entries than would be needed otherwise.
This makes the value of this feature dubious at best, and since it is not
enabled in defconfig or in the distro configs, it does not appear to be
in wide use either. So let's just remove it.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Laura Abbott <labbott@kernel.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
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The Acer Aspire 5738z has a button to disable (and re-enable) the
touchpad next to the touchpad.
When this button is pressed a LED underneath indicates that the touchpad
is disabled (and an event is send to userspace and GNOME shows its
touchpad enabled / disable OSD thingie).
So far so good, but after re-enabling the touchpad it no longer works.
The laptop does not have an external ps2 port, so mux mode is not needed
and disabling mux mode fixes the touchpad no longer working after toggling
it off and back on again, so lets add this laptop model to the nomux list.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200331123947.318908-1-hdegoede@redhat.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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acpi_evaluate_object() and acpi_execute_simple_method() are not part of
the group of ACPI related functions which get stubbed by
include/linux/acpi.h when ACPI support is disabled, so the
IRQ_PIN_ACCESS_ACPI_METHOD handling code must be stubbed out.
For consistency use the same #if condition as which is used to replace
goodix_add_acpi_gpio_mappings with a stub.
Fixes: c5fca485320e ("Input: goodix - add support for controlling the IRQ pin through ACPI methods")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200401014529.GL75430@dtor-ws
[dtor: stubbed out the ACPI method accessors]
Reviewed-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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When we try to get an MSI cookie for a VFIO device, that can fail if
CONFIG_IOMMU_DMA is not set. In this case iommu_get_msi_cookie() returns
-ENODEV, and that should not be fatal.
Ignore that case and proceed with the initialisation.
This fixes VFIO with a platform device on the Calxeda Midway (no MSIs).
Fixes: f6810c15cf973f ("iommu/arm-smmu: Clean up early-probing workarounds")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Older versions of skiboot only provide a single value in the device
tree property "ibm,mmio-atsd", even when multiple Address Translation
Shoot Down (ATSD) registers are present. This prevents NVLink2 devices
(other than the first) from being used with vfio-pci because vfio-pci
expects to be able to assign a dedicated ATSD register to each NVLink2
device.
However, ATSD registers can be shared among devices. This change
allows vfio-pci to fall back to sharing the register at index 0 if
necessary.
Fixes: 7f92891778df ("vfio_pci: Add NVIDIA GV100GL [Tesla V100 SXM2] subdriver")
Signed-off-by: Sam Bobroff <sbobroff@linux.ibm.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Originally, it kfrees the wrong pointer for mem_obj.
It would cause memory leak under stress test.
Signed-off-by: Jack Zhang <Jack.Zhang1@amd.com>
Acked-by: Nirmoy Das <nirmoy.das@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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If we don't have any filters available we can't rely upon the return
code of stmmac_add_hw_vlan_rx_fltr() / stmmac_del_hw_vlan_rx_fltr(). Add
a check for this.
Fixes: ed64639bc1e0 ("net: stmmac: Add support for VLAN Rx filtering")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is not right in grammar to spell "Its not". The right one is "It's
not".
And this line is also over 80 characters. So I broke it into two lines
as well in order to make that line not be more than 80 characters.
Signed-off-by: Hu Haowen <xianfengting221@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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"its not" is wrong. The words should be "it's not".
Signed-off-by: Hu Haowen <xianfengting221@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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struct can_frame contains some padding which is not explicitly zeroed in
slc_bump. This uninitialized data will then be transmitted if the stack
initialization hardening feature is not enabled (CONFIG_INIT_STACK_ALL).
This commit just zeroes the whole struct including the padding.
Signed-off-by: Richard Palethorpe <rpalethorpe@suse.com>
Fixes: a1044e36e457 ("can: add slcan driver for serial/USB-serial CAN adapters")
Reviewed-by: Kees Cook <keescook@chromium.org>
Cc: linux-can@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: security@kernel.org
Cc: wg@grandegger.com
Cc: mkl@pengutronix.de
Cc: davem@davemloft.net
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The masks in priv->clk_25m_reg and priv->clk_25m_mask are one-bits-set
for the values that comprise the fields, not zero-bits-set.
This patch fixes the clock frequency configuration for ATH8030 and
ATH8035 Atheros PHYs by removing the erroneous "~".
To reproduce this bug, configure the PHY with the device tree binding
"qca,clk-out-frequency" and remove the machine specific PHY fixups.
Fixes: 2f664823a47021 ("net: phy: at803x: add device tree binding")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reported-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Russell King <rmk+kernel@armlinux.org.uk>
Tested-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Perform missing MQPRIO resource cleanup in PCI shutdown path. Also,
fix MQPRIO MSIX bitmap leak in resource cleanup.
Fixes: b1396c2bd675 ("cxgb4: parse and configure TC-MQPRIO offload")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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cxgb4_update_mac_filt() earlier requests firmware to add a new MAC
address into MPS TCAM. The MPS TCAM index returned by firmware is
stored in pi->xact_addr_filt. However, the saved MPS TCAM index gets
overwritten again with the return value of cxgb4_update_mac_filt(),
which is wrong.
When trying to update to another MAC address later, the wrong MPS TCAM
index is sent to firmware, which causes firmware to return error,
because it's not the same MPS TCAM index that firmware had sent
earlier to driver.
So, fix by removing the wrong overwrite being done after call to
cxgb4_update_mac_filt().
Fixes: 3f8cfd0d95e6 ("cxgb4/cxgb4vf: Program hash region for {t4/t4vf}_change_mac()")
Signed-off-by: Herat Ramani <herat@chelsio.com>
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces a vDPA transport for virtio. This is used to
use kernel virtio driver to drive the vDPA device that is capable
of populating virtqueue directly.
A new virtio-vdpa driver will be registered to the vDPA bus, when a
new virtio-vdpa device is probed, it will register the device with
vdpa based config ops. This means it is a software transport between
vDPA driver and vDPA device. The transport was implemented through
bus_ops of vDPA parent.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200326140125.19794-7-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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vDPA device is a device that uses a datapath which complies with the
virtio specifications with vendor specific control path. vDPA devices
can be both physically located on the hardware or emulated by
software. vDPA hardware devices are usually implemented through PCIE
with the following types:
- PF (Physical Function) - A single Physical Function
- VF (Virtual Function) - Device that supports single root I/O
virtualization (SR-IOV). Its Virtual Function (VF) represents a
virtualized instance of the device that can be assigned to different
partitions
- ADI (Assignable Device Interface) and its equivalents - With
technologies such as Intel Scalable IOV, a virtual device (VDEV)
composed by host OS utilizing one or more ADIs. Or its equivalent
like SF (Sub function) from Mellanox.
>From a driver's perspective, depends on how and where the DMA
translation is done, vDPA devices are split into two types:
- Platform specific DMA translation - From the driver's perspective,
the device can be used on a platform where device access to data in
memory is limited and/or translated. An example is a PCIE vDPA whose
DMA request was tagged via a bus (e.g PCIE) specific way. DMA
translation and protection are done at PCIE bus IOMMU level.
- Device specific DMA translation - The device implements DMA
isolation and protection through its own logic. An example is a vDPA
device which uses on-chip IOMMU.
To hide the differences and complexity of the above types for a vDPA
device/IOMMU options and in order to present a generic virtio device
to the upper layer, a device agnostic framework is required.
This patch introduces a software vDPA bus which abstracts the
common attributes of vDPA device, vDPA bus driver and the
communication method (vdpa_config_ops) between the vDPA device
abstraction and the vDPA bus driver. This allows multiple types of
drivers to be used for vDPA device like the virtio_vdpa and vhost_vdpa
driver to operate on the bus and allow vDPA device could be used by
either kernel virtio driver or userspace vhost drivers as:
virtio drivers vhost drivers
| |
[virtio bus] [vhost uAPI]
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virtio device vhost device
virtio_vdpa drv vhost_vdpa drv
\ /
[vDPA bus]
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vDPA device
hardware drv
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[hardware bus]
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vDPA hardware
With the abstraction of vDPA bus and vDPA bus operations, the
difference and complexity of the under layer hardware is hidden from
upper layer. The vDPA bus drivers on top can use a unified
vdpa_config_ops to control different types of vDPA device.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200326140125.19794-6-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch implements the third memory accessor for vringh besides
current kernel and userspace accessors. This idea is to allow vringh
to do the address translation through an IOTLB which is implemented
via vhost_map interval tree. Users should setup and IOVA to PA mapping
in this IOTLB.
This allows us to:
- Use vringh to access virtqueues with vIOMMU
- Use vringh to implement software virtqueues for vDPA devices
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200326140125.19794-5-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch factors out IOTLB into a dedicated module in order to be
reused by other modules like vringh. User may choose to enable the
automatic retiring by specifying VHOST_IOTLB_FLAG_RETIRE flag to fit
for the case of vhost device IOTLB implementation.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200326140125.19794-4-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This patch allow device to register its own message handler during
vhost_dev_init(). vDPA device will use it to implement its own DMA
mapping logic.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200326140125.19794-3-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Currently, CONFIG_VHOST depends on CONFIG_VIRTUALIZATION. But vhost is
not necessarily for VM since it's a generic userspace and kernel
communication protocol. Such dependency may prevent archs without
virtualization support from using vhost.
To solve this, a dedicated vhost menu is created under drivers so
CONIFG_VHOST can be decoupled out of CONFIG_VIRTUALIZATION.
While at it, also squash Kconfig.vringh into vhost Kconfig file. This
avoids the trick of conditional inclusion from VOP or CAIF. Then it
will be easier to introduce new vringh users and common dependency for
both vringh and vhost.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20200326140125.19794-2-jasowang@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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- Logitech HID++ protocol support improvement from Filipe Laíns
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- C99 code purification in intel-ish-hid from Gustavo A. R. Silva
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- report descriptor fix for Glorious PC Gaming Race device from Samuel Čavoj
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Tiger Lake's new unique ACPI device IDs for Intel thermal driver are not
valid because of missing 'C' in the IDs. Fix the IDs by updating them.
After the update, the new IDs should now look like
INT1040 --> INTC1040
INT1043 --> INTC1043
Fixes: 9b1b5535dfc9 ("thermal: int340x_thermal: Add Tiger Lake ACPI device IDs")
Cc: 5.6+ <stable@vger.kernel.org> # 5.6+
Suggested-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Tiger Lake's new unique ACPI device IDs for intel-hid driver is not
valid because of missing 'C' in the ID. Fix the ID by updating it.
After the update, the new ID should now look like
INT1051 --> INTC1051
Fixes: bdd11b654035 ("platform/x86: intel-hid: Add Tiger Lake ACPI device ID")
Suggested-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Tiger Lake's new unique ACPI device IDs for DPTF and fan drivers are not
valid as the IDs are missing 'C'. Fix the IDs by updating them.
After the update, the new IDs should now look like
INT1047 --> INTC1047
INT1040 --> INTC1040
INT1043 --> INTC1043
INT1044 --> INTC1044
Fixes: 55cfe6a5c582 ("ACPI: DPTF: Add Tiger Lake ACPI device IDs")
Fixes: c248dfe7e0ca ("ACPI: fan: Add Tiger Lake ACPI device ID")
Suggested-by: Srinivas Pandruvada <srinivas.pandruvada@intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The DS1388 variant has watchdog timer capabilities. When using a DS1388
and having enabled CONFIG_WATCHDOG_CORE register a watchdog device for
the DS1388.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200330025500.6991-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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Call the 64bit versions of rtc_tm time conversion.
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/20200306073548.57579-3-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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The da9052 is an rtc valid from 2000 to 2063 (max year is 63).
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/20200306073548.57579-2-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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This allows further improvement of the driver.
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Link: https://lore.kernel.org/r/20200329224240.776568-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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- device-specific (ITE 8595) fix from Hans de Goede
|
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- small code cleanups in hid-appleir from Lucas Tanure
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git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip fixes from Marc Zygnier:
- Partially revert Xilinx changes that break PPC systems
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Alan Stern points out that the WARN_ON() check in device_prepare()
is racy (because the PM-runtime API can be disabled briefly for any
device at any time and system suspend can start at any time too) and
the pm_runtime_suspended() check in the computation of the
direct_complete flag value is redundant (because it will be
repeated later anyway).
Drop both these checks accordingly.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Texas Instruments K3 SoCs contain an RTI (Real Time Interrupt) module
which can be used as a watchdog. This IP provides a support for
windowed watchdog mode, in which the watchdog must be petted within
a certain time window. If it is petted either too soon, or too late,
a watchdog error will be triggered.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200312095808.19907-4-t-kristo@ti.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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The RAVE watchdog is not a full system watchdog, but is used to reset
ethernet switch when required. Change the name to better reflect this
usage.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200313101138.25915-1-l.stach@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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If the heartbeat module param is not specified we would get an error
message
watchdog: f1020300.watchdog: driver supplied timeout (4294967295) out of range
watchdog: f1020300.watchdog: falling back to default timeout (171)
This is because we were initialising heartbeat to -1. By removing the
initialisation (thus letting the C run time initialise it to 0) we
silence the warning message and the default timeout is still used.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200313031312.1485-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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The Acer Aspire 5783z shipped with Windows 7 and as such does not trigger
our "win8 ready" heuristic for prefering the native backlight interface.
Still ACPI backlight control doesn't work on this model, where as the
native (intel_video) backlight interface does work. Add a quirk to
force using native backlight control on this model.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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If the target misbehaves and sends us unexpected payload we
need to make sure to fail the controller and stop processing
the input stream. We clear the rd_enabled flag and stop
the io_work, but we may still requeue it if we still have pending
sends and then in the next invocation we will process the input
stream as the check is only in the .data_ready upcall.
To fix this we need to make sure not to self-requeue io_work
upon a recv flow error.
This fixes the crash:
nvme nvme2: receive failed: -22
BUG: unable to handle page fault for address: ffffbeb5816c3b48
nvme_ns_head_make_request: 29 callbacks suppressed
block nvme0n5: no usable path - requeuing I/O
block nvme0n5: no usable path - requeuing I/O
block nvme0n7: no usable path - requeuing I/O
block nvme0n7: no usable path - requeuing I/O
block nvme0n3: no usable path - requeuing I/O
block nvme0n3: no usable path - requeuing I/O
block nvme0n3: no usable path - requeuing I/O
block nvme0n7: no usable path - requeuing I/O
block nvme0n3: no usable path - requeuing I/O
block nvme0n3: no usable path - requeuing I/O
#PF: supervisor read access inkernel mode
#PF: error_code(0x0000) - not-present page
PGD 1039157067 P4D 1039157067 PUD 103915a067 PMD 102719f067 PTE 0
Oops: 0000 [#1] SMP PTI
CPU: 8 PID: 411 Comm: kworker/8:1H Not tainted 5.3.0-40-generic #32~18.04.1-Ubuntu
Hardware name: Supermicro Super Server/X10SRi-F, BIOS 2.0 12/17/2015
Workqueue: nvme_tcp_wq nvme_tcp_io_work [nvme_tcp]
RIP: 0010:nvme_tcp_recv_skb+0x2ae/0xb50 [nvme_tcp]
RSP: 0018:ffffbeb5806cfd10 EFLAGS: 00010246
RAX: ffffbeb5816c3b48 RBX: 00000000000003d0 RCX: 0000000000000008
RDX: 00000000000003d0 RSI: 0000000000000001 RDI: ffff9a3040684b40
RBP: ffffbeb5806cfd90 R08: 0000000000000000 R09: ffffffff946e6900
R10: ffffbeb5806cfce0 R11: 0000000000000001 R12: 0000000000000000
R13: ffff9a2ff86501c0 R14: 00000000000003d0 R15: ffff9a30b85f2798
FS: 0000000000000000(0000) GS:ffff9a30bf800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffbeb5816c3b48 CR3: 000000088400a006 CR4: 00000000003626e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
tcp_read_sock+0x8c/0x290
? __release_sock+0x9d/0xe0
? nvme_tcp_write_space+0xb0/0xb0 [nvme_tcp]
nvme_tcp_io_work+0x4b4/0x830 [nvme_tcp]
? finish_task_switch+0x163/0x270
process_one_work+0x1fd/0x3f0
worker_thread+0x34/0x410
kthread+0x121/0x140
? process_one_work+0x3f0/0x3f0
? kthread_park+0xb0/0xb0
ret_from_fork+0x35/0x40
Reported-by: Roy Shterman <roys@lightbitslabs.com>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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