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__bitwise__ is an implementation detail now.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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We dropped __CHECK_ENDIAN__ so __bitwise__ is now an implementation
detail. People should use __bitwise everywhere.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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We dropped need for __CHECK_ENDIAN__ for linux,
this mirrors this for tools.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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By now, linux is mostly endian-clean. Enabling endian-ness
checks for everyone produces about 200 new sparse warnings for me -
less than 10% over the 2000 sparse warnings already there.
Not a big deal, OTOH enabling this helps people notice
they are introducing new bugs.
So let's just drop __CHECK_ENDIAN__. Follow-up patches
can drop distinction between __bitwise and __bitwise__.
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Suggested-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Fix a warning thrown from virtio_mmio_remove():
Device 'virtio0' does not have a release() function
The fix is according to virtio_pci_probe() of
drivers/virtio/virtio_pci_common.c
Signed-off-by: Yuan Liu <liuyuan@google.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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The device (not the driver) populates the used ring and includes the len
of how much data was written.
Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Remove the unused but set variable se_tpg in vhost_scsi_nexus_cb() to
fix the following GCC warning when building with 'W=1':
drivers/vhost/scsi.c:1752:26: warning: variable ‘se_tpg’ set but not used
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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As a step towards killing off ACCESS_ONCE, use {READ,WRITE}_ONCE() for the
virtio tools uaccess primitives, pulling these in from <linux/compiler.h>.
With this done, we can kill off the now-unused ACCESS_ONCE() definition.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: linux-kernel@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
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Despite living under drivers/ vringh.c is also used as part of the userspace
virtio tools. Before we can kill off the ACCESS_ONCE()definition in the tools,
we must convert vringh.c to use {READ,WRITE}_ONCE().
This patch does so, along with the required include of <linux/compiler.h> for
the relevant definitions. The userspace tools provide their own definitions in
their own <linux/compiler.h>.
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: kvm@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
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The virtio tools implementation of READ_ONCE() has a single parameter called
'var', but erroneously refers to 'val' for its cast, and thus won't work unless
there's a variable of the correct type that happens to be called 'var'.
Fix this with s/var/val/, making READ_ONCE() work as expected regardless.
Fixes: a7c490333df3cff5 ("tools/virtio: use virt_xxx barriers")
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: linux-kernel@vger.kernel.org
Cc: virtualization@lists.linux-foundation.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
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This patch introduces virtio-crypto driver for Linux Kernel.
The virtio crypto device is a virtual cryptography device
as well as a kind of virtual hardware accelerator for
virtual machines. The encryption anddecryption requests
are placed in the data queue and are ultimately handled by
thebackend crypto accelerators. The second queue is the
control queue used to create or destroy sessions for
symmetric algorithms and will control some advanced features
in the future. The virtio crypto device provides the following
cryptoservices: CIPHER, MAC, HASH, and AEAD.
For more information about virtio-crypto device, please see:
http://qemu-project.org/Features/VirtioCrypto
CC: Michael S. Tsirkin <mst@redhat.com>
CC: Cornelia Huck <cornelia.huck@de.ibm.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: Halil Pasic <pasic@linux.vnet.ibm.com>
CC: David S. Miller <davem@davemloft.net>
CC: Zeng Xin <xin.zeng@intel.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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When event index was enabled, we need to fetch used event from
userspace memory each time. This userspace fetch (with memory
barrier) could be saved sometime when 1) caching used event and 2)
if used event is ahead of new and old to new updating does not cross
it, we're sure there's no need to notify guest.
This will be useful for heavy tx load e.g guest pktgen test with Linux
driver shows ~3.5% improvement.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Multi vsocks may setup the same cid at the same time.
Signed-off-by: Gao feng <omarapazanadi@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
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There is basically no shared logic between the INTx and MSI-X case in
vp_try_to_find_vqs, so split the function into two and clean them up
a little bit.
Also remove the fairly pointless vp_request_intx wrapper while we're at it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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vp_request_msix_vectors is only called by vp_try_to_find_vqs, which already
calls vp_free_vectors through vp_del_vqs in the failure case.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This avoids the separate allocation for the msix_entries structures, and
instead allows us to use pci_irq_vector to find a given IRQ vector.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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We call del_vqs twice when request_irq fails, this
makes no sense.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace
Pull tracing updates from Steven Rostedt:
"This release has a few updates:
- STM can hook into the function tracer
- Function filtering now supports more advance glob matching
- Ftrace selftests updates and added tests
- Softirq tag in traces now show only softirqs
- ARM nop added to non traced locations at compile time
- New trace_marker_raw file that allows for binary input
- Optimizations to the ring buffer
- Removal of kmap in trace_marker
- Wakeup and irqsoff tracers now adhere to the set_graph_notrace file
- Other various fixes and clean ups"
* tag 'trace-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: (42 commits)
selftests: ftrace: Shift down default message verbosity
kprobes/trace: Fix kprobe selftest for newer gcc
tracing/kprobes: Add a helper method to return number of probe hits
tracing/rb: Init the CPU mask on allocation
tracing: Use SOFTIRQ_OFFSET for softirq dectection for more accurate results
tracing/fgraph: Have wakeup and irqsoff tracers ignore graph functions too
fgraph: Handle a case where a tracer ignores set_graph_notrace
tracing: Replace kmap with copy_from_user() in trace_marker writing
ftrace/x86_32: Set ftrace_stub to weak to prevent gcc from using short jumps to it
tracing: Allow benchmark to be enabled at early_initcall()
tracing: Have system enable return error if one of the events fail
tracing: Do not start benchmark on boot up
tracing: Have the reg function allow to fail
ring-buffer: Force rb_end_commit() and rb_set_commit_to_write() inline
ring-buffer: Froce rb_update_write_stamp() to be inlined
ring-buffer: Force inline of hotpath helper functions
tracing: Make __buffer_unlock_commit() always_inline
tracing: Make tracepoint_printk a static_key
ring-buffer: Always inline rb_event_data()
ring-buffer: Make rb_reserve_next_event() always inlined
...
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git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux
Pull orangefs updates from Mike Marshall:
"Two small fixes sent in by other developers:
- axe some dead code (Christophe Jaillet)
- fix memory leak (Colin Ian King, found by Coverity)"
* tag 'for-linus-4.10-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
orangefs: Axe some dead code
orangefs: fix memory leak of string 'new' on exit path
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Pull ubifs updates from Richard Weinberger:
- file encryption for UBIFS using the fscrypt framework
- a fix to honor the dirty_writeback_interval sysctl
- removal of dead code
* tag 'upstream-4.10-rc1' of git://git.infradead.org/linux-ubifs: (30 commits)
ubifs: Initialize fstr_real_len
ubifs: Use fscrypt ioctl() helpers
ubifs: Use FS_CFLG_OWN_PAGES
ubifs: Raise write version to 5
ubifs: Implement UBIFS_FLG_ENCRYPTION
ubifs: Implement UBIFS_FLG_DOUBLE_HASH
ubifs: Use a random number for cookies
ubifs: Add full hash lookup support
ubifs: Rename tnc_read_node_nm
ubifs: Add support for encrypted symlinks
ubifs: Implement encrypted filenames
ubifs: Make r5 hash binary string aware
ubifs: Relax checks in ubifs_validate_entry()
ubifs: Implement encrypt/decrypt for all IO
ubifs: Constify struct inode pointer in ubifs_crypt_is_encrypted()
ubifs: Introduce new data node field, compr_size
ubifs: Enforce crypto policy in mmap
ubifs: Massage assert in ubifs_xattr_set() wrt. fscrypto
ubifs: Preload crypto context in ->lookup()
ubifs: Enforce crypto policy in ->link and ->rename
...
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git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver updates from Darrent Hart:
"Introduce one new driver for Mellanox platforms. Add support for
various new models to existing drivers via quirks, hotkeys, etc.
Significant updates to intel_pmc_core in support of Kabylake and
Sunrise Point PCH power management debug. Some cleanup and refactoring
across various drivers.
Detailed summary:
dell-laptop:
- Use brightness_set_blocking for kbd_led_level_set
thinkpad_acpi:
- Initialize local in_tablet_mode and type
- Fix old style declaration GCC warning
- Adding new hotkey ID for Lenovo thinkpad
- Add support for X1 Yoga (2016) Tablet Mode
- Move tablet detection into separate function
asus-nb-wmi:
- Add X45U quirk
- Make use of dmi->ident
asus-wmi:
- Set specified XUSB2PR value for X550LB
intel_mid_thermal:
- Fix suspend handlers unused warning
intel-vbtn:
- Switch to use devm_input_allocate_device
dell-wmi:
- Add events created by Dell Rugged 2-in-1s
- Adjust wifi catcher to emit KEY_WLAN
intel_pmc_core:
- Add KBL CPUID support
- Add LTR IGNORE debug feature
- Add MPHY PLL clock gating status
- ModPhy core lanes pg status
- Add PCH IP Power Gating Status
- Fix PWRMBASE mask and mmio reg len
acer-wmi:
- Only supports AMW0_GUID1 on acer family
mlx-platform:
- Introduce support for Mellanox hotplug driver
platform/x86:
- Use ACPI_FAILURE at appropriate places"
* tag 'platform-drivers-x86-v4.10-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (22 commits)
platform/x86: thinkpad_acpi: Initialize local in_tablet_mode and type
platform/x86: dell-laptop: Use brightness_set_blocking for kbd_led_level_set
platform/x86: thinkpad_acpi: Fix old style declaration GCC warning
platform/x86: thinkpad_acpi: Adding new hotkey ID for Lenovo thinkpad
platform/x86: thinkpad_acpi: Add support for X1 Yoga (2016) Tablet Mode
platform/x86: thinkpad_acpi: Move tablet detection into separate function
platform/x86: asus-nb-wmi.c: Add X45U quirk
platform/x86: asus-nb-wmi: Make use of dmi->ident
platform/x86: asus-wmi: Set specified XUSB2PR value for X550LB
platform/x86: intel_mid_thermal: Fix suspend handlers unused warning
platform/x86: intel-vbtn: Switch to use devm_input_allocate_device
platform/x86: Use ACPI_FAILURE at appropriate places
platform/x86: dell-wmi: Add events created by Dell Rugged 2-in-1s
platform/x86: dell-wmi: Adjust wifi catcher to emit KEY_WLAN
platform/x86: intel_pmc_core: Add KBL CPUID support
platform/x86: intel_pmc_core: Add LTR IGNORE debug feature
platform/x86: intel_pmc_core: Add MPHY PLL clock gating status
platform/x86: intel_pmc_core: ModPhy core lanes pg status
platform/x86: intel_pmc_core: Add PCH IP Power Gating Status
platform/x86: intel_pmc_core: Fix PWRMBASE mask and mmio reg len
...
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
- the first series of making i2c_device_id optional instead of
mandatory (in favor of alternatives like of_device_id).
This involves adding a new probe callback (probe_new) which removes
some peculiarities I2C had for a long time now. The new probe is
matching the other subsystems now and the old one will be removed
once all users are converted. It is expected to take a while but
there is ongoing interest in that.
- SMBus Host Notify introduced 4.9 got refactored. They are now using
interrupts instead of the alert callback which solves multiple
issues.
- new drivers for iMX LowPower I2C, Mellanox CPLD and its I2C mux
- significant refactoring for bcm2835 driver
- the usual set of driver updates and improvements
* 'i2c/for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: (46 commits)
i2c: fsl-lpi2c: read lpi2c fifo size in probe()
i2c: octeon: thunderx: Remove double-check after interrupt
i2c: octeon: thunderx: TWSI software reset in recovery
i2c: cadence: Allow Cadence I2C to be selected for Cadence Xtensa CPUs
i2c: sh_mobile: Add per-Generation fallback bindings
i2c: rcar: Add per-Generation fallback bindings
i2c: imx-lpi2c: add low power i2c bus driver
dt-bindings: i2c: imx-lpi2c: add devicetree bindings
i2c: designware-pcidrv: Add 10bit address feature to medfield/merrifield
i2c: pxa: Add support for the I2C units found in Armada 3700
i2c: pxa: Add definition of fast and high speed modes via the regs layout
dt-bindings: i2c: pxa: Update the documentation for the Armada 3700
i2c: qup: support SMBus block read
i2c: qup: add ACPI support
i2c: designware: Consolidate default functionality bits
i2c: i2c-mux-gpio: update mux with gpiod_set_array_value_cansleep
i2c: mux: pca954x: Add ACPI support for pca954x
i2c: use an IRQ to report Host Notify events, not alert
i2c: i801: remove SMBNTFDDAT reads as they always seem to return 0
i2c: i801: use the BIT() macro for FEATURES_* also
...
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas:
"PCI changes:
- add support for PCI on ARM64 boxes with ACPI. We already had this
for theoretical spec-compliant hardware; now we're adding quirks
for the actual hardware (Cavium, HiSilicon, Qualcomm, X-Gene)
- add runtime PM support for hotplug ports
- enable runtime suspend for Intel UHCI that uses platform-specific
wakeup signaling
- add yet another host bridge registration interface. We hope this is
extensible enough to subsume the others
- expose device revision in sysfs for DRM
- to avoid device conflicts, make sure any VF BAR updates are done
before enabling the VF
- avoid unnecessary link retrains for ASPM
- allow INTx masking on Mellanox devices that support it
- allow access to non-standard VPD for Chelsio devices
- update Broadcom iProc support for PAXB v2, PAXC v2, inbound DMA,
etc
- update Rockchip support for max-link-speed
- add NVIDIA Tegra210 support
- add Layerscape LS1046a support
- update R-Car compatibility strings
- add Qualcomm MSM8996 support
- remove some uninformative bootup messages"
* tag 'pci-v4.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (115 commits)
PCI: Enable access to non-standard VPD for Chelsio devices (cxgb3)
PCI: Expand "VPD access disabled" quirk message
PCI: pciehp: Remove loading message
PCI: hotplug: Remove hotplug core message
PCI: Remove service driver load/unload messages
PCI/AER: Log AER IRQ when claiming Root Port
PCI/AER: Log errors with PCI device, not PCIe service device
PCI/AER: Remove unused version macros
PCI/PME: Log PME IRQ when claiming Root Port
PCI/PME: Drop unused support for PMEs from Root Complex Event Collectors
PCI: Move config space size macros to pci_regs.h
x86/platform/intel-mid: Constify mid_pci_platform_pm
PCI/ASPM: Don't retrain link if ASPM not possible
PCI: iproc: Skip check for legacy IRQ on PAXC buses
PCI: pciehp: Leave power indicator on when enabling already-enabled slot
PCI: pciehp: Prioritize data-link event over presence detect
PCI: rcar: Add gen3 fallback compatibility string for pcie-rcar
PCI: rcar: Use gen2 fallback compatibility last
PCI: rcar-gen2: Use gen2 fallback compatibility last
PCI: rockchip: Move the deassert of pm/aclk/pclk after phy_init()
..
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linux-next reported in_tablet_mode and type may be used uninitialized
after:
b31800283868 ("platform/x86: thinkpad_acpi: Move tablet detection into separate function")
This turns out to be a false positive as the pr_info call cannot be
reached if tp_features.hotkey_tablet (global scope) is 0, and
in_tablet_mode and type are assigned in both places
tp_features.hotkey_tablet is assigned.
Regardless, to make it explicit and avoid further reports, initialize
in_tablet_mode to 0 and type to NULL.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Cc: Lyude <lyude@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU updates from Joerg Roedel:
"These changes include:
- support for the ACPI IORT table on ARM systems and patches to make
the ARM-SMMU driver make use of it
- conversion of the Exynos IOMMU driver to device dependency links
and implementation of runtime pm support based on that conversion
- update the Mediatek IOMMU driver to use the new struct
device->iommu_fwspec member
- implementation of dma_map/unmap_resource in the generic ARM
dma-iommu layer
- a number of smaller fixes and improvements all over the place"
* tag 'iommu-updates-v4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (44 commits)
ACPI/IORT: Make dma masks set-up IORT specific
iommu/amd: Missing error code in amd_iommu_init_device()
iommu/s390: Drop duplicate header pci.h
ACPI/IORT: Introduce iort_iommu_configure
ACPI/IORT: Add single mapping function
ACPI/IORT: Replace rid map type with type mask
iommu/arm-smmu: Add IORT configuration
iommu/arm-smmu: Split probe functions into DT/generic portions
iommu/arm-smmu-v3: Add IORT configuration
iommu/arm-smmu-v3: Split probe functions into DT/generic portions
ACPI/IORT: Add support for ARM SMMU platform devices creation
ACPI/IORT: Add node match function
ACPI: Implement acpi_dma_configure
iommu/arm-smmu-v3: Convert struct device of_node to fwnode usage
iommu/arm-smmu: Convert struct device of_node to fwnode usage
iommu: Make of_iommu_set/get_ops() DT agnostic
ACPI/IORT: Add support for IOMMU fwnode registration
ACPI/IORT: Introduce linker section for IORT entries probing
ACPI: Add FWNODE_ACPI_STATIC fwnode type
iommu/arm-smmu: Set SMTNMB_TLBEN in ACR to enable caching of bypass entries
...
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Get rid of this warning:
drivers/infiniband/sw/rdmavt/cq.c: In function ‘rvt_cq_exit’:
drivers/infiniband/sw/rdmavt/cq.c:542:2: warning: ‘worker’ may be used uninitialized in this function [-Wmaybe-uninitialized]
kthread_destroy_worker(worker);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
by fixing the function to actually work.
Fixes: 6efaf10f163d ("IB/rdmavt: Avoid queuing work into a destroyed cq kthread worker")
Cc: Petr Mladek <pmladek@suse.com>
Cc: Doug Ledford <dledford@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma updates from Doug Ledford:
"This is the complete update for the rdma stack for this release cycle.
Most of it is typical driver and core updates, but there is the
entirely new VMWare pvrdma driver. You may have noticed that there
were changes in DaveM's pull request to the bnxt Ethernet driver to
support a RoCE RDMA driver. The bnxt_re driver was tentatively set to
be pulled in this release cycle, but it simply wasn't ready in time
and was dropped (a few review comments still to address, and some
multi-arch build issues like prefetch() not working across all
arches).
Summary:
- shared mlx5 updates with net stack (will drop out on merge if
Dave's tree has already been merged)
- driver updates: cxgb4, hfi1, hns-roce, i40iw, mlx4, mlx5, qedr, rxe
- debug cleanups
- new connection rejection helpers
- SRP updates
- various misc fixes
- new paravirt driver from vmware"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma: (210 commits)
IB: Add vmw_pvrdma driver
IB/mlx4: fix improper return value
IB/ocrdma: fix bad initialization
infiniband: nes: return value of skb_linearize should be handled
MAINTAINERS: Update Intel RDMA RNIC driver maintainers
MAINTAINERS: Remove Mitesh Ahuja from emulex maintainers
IB/core: fix unmap_sg argument
qede: fix general protection fault may occur on probe
IB/mthca: Replace pci_pool_alloc by pci_pool_zalloc
mlx5, calc_sq_size(): Make a debug message more informative
mlx5: Remove a set-but-not-used variable
mlx5: Use { } instead of { 0 } to init struct
IB/srp: Make writing the add_target sysfs attr interruptible
IB/srp: Make mapping failures easier to debug
IB/srp: Make login failures easier to debug
IB/srp: Introduce a local variable in srp_add_one()
IB/srp: Fix CONFIG_DYNAMIC_DEBUG=n build
IB/multicast: Check ib_find_pkey() return value
IPoIB: Avoid reading an uninitialized member variable
IB/mad: Fix an array index check
...
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git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull DeviceTree updates from Rob Herring:
- add various vendor prefixes.
- fix NUMA node handling when "numa=off" is passed on kernel command
line.
- coding style Clean-up of overlay handling code.
- DocBook fixes in DT platform driver code
- Altera SoCFPGA binding addtions for freeze bridge, arria10 FPGA
manager and FPGA bridges.
- a couple of printk message fixes.
* tag 'devicetree-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (33 commits)
dt: pwm: bcm2835: fix typo in clocks property name
devicetree: add vendor prefix for National Instruments
Revert "of: base: add support to get machine model name"
of: Fix issue where code would fall through to error case.
drivers/of: fix missing pr_cont()s in of_print_phandle_args
devicetree: bindings: Add vendor prefix for Oki
devicetree: bindings: Add vendor prefix for Andes Technology Corporation
dt-bindings: add MYIR Tech hardware vendor prefix
add bindings document for altera freeze bridge
ARM: socfpga: add bindings doc for arria10 fpga manager
ARM: socfpga: add bindings document for fpga bridge drivers
of: base: add support to get machine model name
of/platform: clarify of_find_device_by_node refcounting
of/platform: fix of_platform_device_destroy comment
of: Remove unused variable overlay_symbols
of: Move setting of pointer to beside test for non-null
of: Add back an error message, restructured
of: Update comments to reflect changes and increase clarity
of: Remove redundant size check
of: Update structure of code to be clearer, also remove BUG_ON()
...
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git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm updates from Thierry Reding:
"This is a very tiny pull request, with just a new driver for HiSilicon
BVT SoCs and a cleanup for the Amlogic Meson driver.
There are other patches on the list, but my timing was really bad this
time and I ended up not having the time to look at them in enough
detail to be comfortable merging them"
* tag 'pwm/for-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: Add PWM driver for HiSilicon BVT SOCs
pwm: meson: Remove unneeded platform MODULE_ALIAS
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git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu:
"This fixes the following issues:
- a crash regression in the new skcipher walker
- incorrect return value in public_key_verify_signature
- fix for in-place signing in the sign-file utility"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: skcipher - fix crash in virtual walk
sign-file: Fix inplace signing when src and dst names are both specified
crypto: asymmetric_keys - set error code on failure
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Update the MAINTAINERS file for AFS and AF_RXRPC to include a website
pointer.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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[ This resurrects commit 53855d10f456, which was reverted in
2b41226b39b6. It depended on commit d544abd5ff7d ("lib/radix-tree:
Convert to hotplug state machine") so now it is correct to apply ]
Patch "lib/radix-tree: Convert to hotplug state machine" breaks the test
suite as it adds a call to cpuhp_setup_state_nocalls() which is not
currently emulated in the test suite. Add it, and delete the emulation
of the old CPU hotplug mechanism.
Link: http://lkml.kernel.org/r/1480369871-5271-36-git-send-email-mawilcox@linuxonhyperv.com
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If CONFIG_PRINTK=n:
kernel/printk/printk.c:1893: warning: ‘cont’ defined but not used
Note that there are actually two different struct cont definitions and
objects: the first one is used if CONFIG_PRINTK=y, the second one became
unused by removing console_cont_flush().
Fixes: 5c2992ee7fd8 ("printk: remove console flushing special cases for partial buffered lines")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Petr Mladek <pmladek@suse.com>
[ I do the occasional "allnoconfig" builds, but apparently not often
enough - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When invoked with CPUHP_AP_ONLINE_DYN state __cpuhp_setup_state()
is expected to return positive value which is the hotplug state that
the routine assigns.
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: linux-pm@vger.kernel.org
Cc: viresh.kumar@linaro.org
Cc: bigeasy@linutronix.de
Cc: rjw@rjwysocki.net
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/1481814058-4799-2-git-send-email-boris.ostrovsky@oracle.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Expose AVX512IFMA/AVX512VBMI/SHA features to guest.
AVX512 spec can be found at:
https://software.intel.com/sites/default/files/managed/26/40/319433-026.pdf
SHA spec can be found at:
https://software.intel.com/sites/default/files/managed/39/c5/325462-sdm-vol-1-2abcd-3abcd.pdf
This patch depends on below patch.
http://marc.info/?l=linux-kernel&m=147932800828178&w=2
Signed-off-by: Yi Sun <yi.y.sun@linux.intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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When the operand passed to VMPTRLD matches the address of the VMXON
region, the VMX instruction error code should be
VMXERR_VMPTRLD_VMXON_POINTER rather than VMXERR_VMCLEAR_VMXON_POINTER.
Signed-off-by: GanShun <ganshun@google.com>
Signed-off-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Since commit af2cf278ef4f ("x86/mm/hotplug: Don't remove PGD entries in
remove_pagetable()") there are no callers of sync_global_pgds() which set
the 'removed' argument to 1.
Remove the argument and the related conditionals in the function.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Link: http://lkml.kernel.org/r/20161214234403.137556-1-kirill.shutemov@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Commit 34c3d9819fda ("genirq/affinity: Provide smarter irq spreading
infrastructure") introduced a better IRQ spreading mechanism, taking
account of the available NUMA nodes in the machine.
Problem is that the algorithm of retrieving the nodemask iterates
"linearly" based on the number of online nodes - some architectures
present non-linear node distribution among the nodemask, like PowerPC.
If this is the case, the algorithm lead to a wrong node count number
and therefore to a bad/incomplete IRQ affinity distribution.
For example, this problem were found in a machine with 128 CPUs and two
nodes, namely nodes 0 and 8 (instead of 0 and 1, if it was linearly
distributed). This led to a wrong affinity distribution which then led to
a bad mq allocation for nvme driver.
Finally, we take the opportunity to fix a comment regarding the affinity
distribution when we have _more_ nodes than vectors.
Fixes: 34c3d9819fda ("genirq/affinity: Provide smarter irq spreading infrastructure")
Reported-by: Gabriel Krisman Bertazi <gabriel@krisman.be>
Signed-off-by: Guilherme G. Piccoli <gpiccoli@linux.vnet.ibm.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Gabriel Krisman Bertazi <gabriel@krisman.be>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Cc: linux-pci@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: hch@lst.de
Link: http://lkml.kernel.org/r/1481738472-2671-1-git-send-email-gpiccoli@linux.vnet.ibm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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When a disfunctional timer, e.g. dummy timer, is installed, the tick core
tries to setup the broadcast timer.
If no broadcast device is installed, the kernel crashes with a NULL pointer
dereference in tick_broadcast_setup_oneshot() because the function has no
sanity check.
Reported-by: Mason <slash.tmp@free.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Richard Cochran <rcochran@linutronix.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Cc: Sebastian Frias <sf84@laposte.net>
Cc: Thibaud Cornic <thibaud_cornic@sigmadesigns.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Link: http://lkml.kernel.org/r/1147ef90-7877-e4d2-bb2b-5c4fa8d3144b@free.fr
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When the dummy timer callback is invoked before the real timer callbacks,
then it tries to install that timer for the starting CPU. If the platform
does not have a broadcast timer installed the installation fails with a
kernel crash. The crash happens due to a unconditional deference of the non
available broadcast device. This needs to be fixed in the timer core code.
But even when this is fixed in the core code then installing the dummy
timer before the real timers is a pointless exercise.
Move it to the end of the callback list.
Fixes: 00c1d17aab51 ("clocksource/dummy_timer: Convert to hotplug state machine")
Reported-and-tested-by: Mason <slash.tmp@free.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Anna-Maria Gleixner <anna-maria@linutronix.de>
Cc: Richard Cochran <rcochran@linutronix.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Cc: Sebastian Frias <sf84@laposte.net>
Cc: Thibaud Cornic <thibaud_cornic@sigmadesigns.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Link: http://lkml.kernel.org/r/1147ef90-7877-e4d2-bb2b-5c4fa8d3144b@free.fr
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Add a description of the HW_EVENT_ERR_DEFERRED type that wasn't included
with commit d12a969ebbfc ("EDAC, amd64: Add Deferred Error type").
Signed-off-by: Yazen Ghannam <Yazen.Ghannam@amd.com>
Acked-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Instead of storing the concepts dictionary inside header file,
move it to the subsystem documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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As this file was never added to the driver-api, the kernel-doc
markups there were never tested. Some of them have issues.
Fix them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Some kernel-doc tags don't provide good descriptions or use
a different style. Adjust them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Update MAINTAINERS to reflect the location of edac.rst and ras.rst.
In the case of 00-INDEX, there's already an entry to the admin-guide,
so all we need to do is to remove the entry there.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Currently, there's no device driver documentation for the EDAC
subsystem at the driver-api book. Fill in the blanks for the
structures and functions that misses documentation, uniform
the word on the existing ones, and add a new edac.rst file at
driver-api, in order to document the EDAC subsystem.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Several functions are documented at edac_mc.c.
As we'll be including edac_core.h at drivers-api book, move
those, in order for the kernel-doc markups be part of the API
documentation book.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Several functions are documented at edac_pci.c and edac_pci_sysfs.c.
As we'll be including edac_pci.h at drivers-api book, move those,
in order for the kernel-doc markups be part of the API
documentation book.
As several of those kernel-doc macros are not in the right format,
fix them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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