* pci/enumeration:
PCI: Warn periodically while waiting for non-CRS ("device ready") status
PCI: Wait up to 60 seconds for device to become ready after FLR
PCI: Factor out pci_bus_wait_crs()
PCI: Add pci_bus_crs_vendor_id() to detect CRS response data
PCI: Always check for non-CRS response before timeout
PCI: Avoid race while enabling upstream bridges
PCI: Mark Broadcom HT2100 Root Port Extended Tags as broken
* pci/endpoint:
tools: PCI: Add a missing option help line
misc: pci_endpoint_test: Enable/Disable MSI using module param
misc: pci_endpoint_test: Avoid using hard-coded BAR sizes
misc: pci_endpoint_test: Add support to not enable MSI interrupts
misc: pci_endpoint_test: Add support to provide aligned buffer addresses
misc: pci_endpoint_test: Add support for PCI_ENDPOINT_TEST regs to be mapped to any BAR
PCI: designware-ep: Do not disable BARs during initialization
PCI: dra7xx: Reset all BARs during initialization
PCI: dwc: designware: Provide page_size to pci_epc_mem
PCI: endpoint: Remove the ->remove() callback
PCI: endpoint: Add support to poll early for host commands
PCI: endpoint: Add support to use _any_ BAR to map PCI_ENDPOINT_TEST regs
PCI: endpoint: Do not reset *command* inadvertently
PCI: endpoint: Add "volatile" to pci_epf_test_reg
PCI: endpoint: Add support for configurable page size
PCI: endpoint: Make ->remove() callback optional
PCI: endpoint: Add an API to get matching "pci_epf_device_id"
PCI: endpoint: Use of_dma_configure() to set initial DMA mask
* pci/host-vmd:
iommu/vt-d: Prevent VMD child devices from being remapping targets
x86/PCI: Use is_vmd() rather than relying on the domain number
x86/PCI: Move VMD quirk to x86 fixups
MAINTAINERS: Add Jonathan Derrick as VMD maintainer
PCI: vmd: Remove IRQ affinity so we can allocate more IRQs
PCI: vmd: Free up IRQs on suspend path
PCI: vmd: Assign vector zero to all bridges
PCI: vmd: Reserve IRQ pre-vector for better affinity
* pci/host-rockchip:
PCI: rockchip: Fix platform_get_irq() error handling
PCI: rockchip: Umap IO space if probe fails
PCI: rockchip: Remove IRQ domain if probe fails
PCI: rockchip: Disable vpcie0v9 if resume_noirq fails
PCI: rockchip: Clean up PHY if driver probe or resume fails
PCI: rockchip: Factor out rockchip_pcie_deinit_phys()
PCI: rockchip: Factor out rockchip_pcie_disable_clocks()
PCI: rockchip: Factor out rockchip_pcie_enable_clocks()
PCI: rockchip: Factor out rockchip_pcie_setup_irq()
PCI: rockchip: Use gpiod_set_value_cansleep() to allow reset via expanders
PCI: rockchip: Use PCI_NUM_INTX
PCI: rockchip: Explicitly request exclusive reset control
dt-bindings: phy-rockchip-pcie: Convert to per-lane PHY model
dt-bindings: PCI: rockchip: Convert to per-lane PHY model
arm64: dts: rockchip: convert PCIe to use per-lane PHYs for rk3339
PCI: rockchip: Idle inactive PHY(s)
phy: rockchip-pcie: Reconstruct driver to support per-lane PHYs
PCI: rockchip: Add per-lane PHY support
PCI: rockchip: Factor out rockchip_pcie_get_phys()
PCI: rockchip: Control optional 12v power supply
dt-bindings: PCI: rockchip: Add vpcie12v-supply for Rockchip PCIe controller
* pci/host-rcar:
PCI: rcar: Add device tree support for r8a7743/5
PCI: rcar: Fix memory leak when no PCIe card is inserted
PCI: rcar: Fix error exit path
* pci/host-qcom:
PCI: qcom: Add support for IPQ8074 PCIe controller
dt-bindings: PCI: qcom: Add support for IPQ8074
PCI: qcom: Use block IP version for operations
PCI: qcom: Explicitly request exclusive reset control
PCI: qcom: Use gpiod_set_value_cansleep() to allow reset via expanders
* pci/host-mediatek:
PCI: mediatek: Use PCI_NUM_INTX
PCI: mediatek: Add MSI support for MT2712 and MT7622
PCI: mediatek: Use bus->sysdata to get host private data
dt-bindings: PCI: Add support for MT2712 and MT7622
PCI: mediatek: Add controller support for MT2712 and MT7622
dt-bindings: PCI: Cleanup MediaTek binding text
dt-bindings: PCI: Rename MediaTek binding
PCI: mediatek: Switch to use platform_get_resource_byname()
PCI: mediatek: Add a structure to abstract the controller generations
PCI: mediatek: Rename port->index and mtk_pcie_parse_ports()
PCI: mediatek: Use readl_poll_timeout() to wait for Gen2 training
PCI: mediatek: Explicitly request exclusive reset control
* pci/host-layerscape:
PCI: layerscape: Add support for ls1088a
PCI: layerscape: Add support for ls2088a
PCI: artpec6: Stop enabling writes to DBI read-only registers
PCI: layerscape: Remove unnecessary class code fixup
PCI: dwc: Enable write permission for Class Code, Interrupt Pin updates
PCI: dwc: Add accessors for write permission of DBI read-only registers
PCI: layerscape: Disable outbound windows configured by bootloader
PCI: layerscape: Refactor ls1021_pcie_host_init()
PCI: layerscape: Move generic init functions earlier in file
PCI: layerscape: Add class code and multifunction fixups for ls1021a
PCI: layerscape: Move STRFMR1 access out from the DBI write-enable bracket
PCI: layerscape: Call dw_pcie_setup_rc() from ls_pcie_host_init()
* pci/host-designware:
PCI: dwc: Clear MSI interrupt status after it is handled, not before
PCI: qcom: Allow ->post_init() to fail
PCI: qcom: Don't unroll init if ->init() fails
PCI: dwc: designware: Handle ->host_init() failures
PCI: dwc: designware: Test PCIE_ATU_ENABLE bit specifically
PCI: dwc: designware: Make dw_pcie_prog_*_atu_unroll() static
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Merge tag 'for-linus-4.14b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen updates from Juergen Gross:
- the new pvcalls backend for routing socket calls from a guest to dom0
- some cleanups of Xen code
- a fix for wrong usage of {get,put}_cpu()
* tag 'for-linus-4.14b-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (27 commits)
xen/mmu: set MMU_NORMAL_PT_UPDATE in remap_area_mfn_pte_fn
xen: Don't try to call xen_alloc_p2m_entry() on autotranslating guests
xen/events: events_fifo: Don't use {get,put}_cpu() in xen_evtchn_fifo_init()
xen/pvcalls: use WARN_ON(1) instead of __WARN()
xen: remove not used trace functions
xen: remove unused function xen_set_domain_pte()
xen: remove tests for pvh mode in pure pv paths
xen-platform: constify pci_device_id.
xen: cleanup xen.h
xen: introduce a Kconfig option to enable the pvcalls backend
xen/pvcalls: implement write
xen/pvcalls: implement read
xen/pvcalls: implement the ioworker functions
xen/pvcalls: disconnect and module_exit
xen/pvcalls: implement release command
xen/pvcalls: implement poll command
xen/pvcalls: implement accept command
xen/pvcalls: implement listen command
xen/pvcalls: implement bind command
xen/pvcalls: implement connect command
...
Nothing really major this release, despite quite a lot of activity. Just lots of
things all over the place.
Some things of note include:
- Access via perf to a new type of PMU (IMC) on Power9, which can count both
core events as well as nest unit events (Memory controller etc).
- Optimisations to the radix MMU TLB flushing, mostly to avoid unnecessary Page
Walk Cache (PWC) flushes when the structure of the tree is not changing.
- Reworks/cleanups of do_page_fault() to modernise it and bring it closer to
other architectures where possible.
- Rework of our page table walking so that THP updates only need to send IPIs
to CPUs where the affected mm has run, rather than all CPUs.
- The size of our vmalloc area is increased to 56T on 64-bit hash MMU systems.
This avoids problems with the percpu allocator on systems with very sparse
NUMA layouts.
- STRICT_KERNEL_RWX support on PPC32.
- A new sched domain topology for Power9, to capture the fact that pairs of
cores may share an L2 cache.
- Power9 support for VAS, which is a new mechanism for accessing coprocessors,
and initial support for using it with the NX compression accelerator.
- Major work on the instruction emulation support, adding support for many new
instructions, and reworking it so it can be used to implement the emulation
needed to fixup alignment faults.
- Support for guests under PowerVM to use the Power9 XIVE interrupt controller.
And probably that many things again that are almost as interesting, but I had to
keep the list short. Plus the usual fixes and cleanups as always.
Thanks to:
Alexey Kardashevskiy, Alistair Popple, Andreas Schwab, Aneesh Kumar K.V, Anju
T Sudhakar, Arvind Yadav, Balbir Singh, Benjamin Herrenschmidt, Bhumika Goyal,
Breno Leitao, Bryant G. Ly, Christophe Leroy, Cédric Le Goater, Dan Carpenter,
Dou Liyang, Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff Levand,
Hannes Reinecke, Haren Myneni, Ivan Mikhaylov, John Allen, Julia Lawall, LABBE
Corentin, Laurentiu Tudor, Madhavan Srinivasan, Markus Elfring, Masahiro
Yamada, Matt Brown, Michael Neuling, Murilo Opsfelder Araujo, Nathan Fontenot,
Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran, Paul Mackerras, Rashmica
Gupta, Rob Herring, Rui Teng, Sam Bobroff, Santosh Sivaraj, Scott Wood,
Shilpasri G Bhat, Sukadev Bhattiprolu, Suraj Jitindar Singh, Tobin C. Harding,
Victor Aoqui.
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Merge tag 'powerpc-4.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman:
"Nothing really major this release, despite quite a lot of activity.
Just lots of things all over the place.
Some things of note include:
- Access via perf to a new type of PMU (IMC) on Power9, which can
count both core events as well as nest unit events (Memory
controller etc).
- Optimisations to the radix MMU TLB flushing, mostly to avoid
unnecessary Page Walk Cache (PWC) flushes when the structure of the
tree is not changing.
- Reworks/cleanups of do_page_fault() to modernise it and bring it
closer to other architectures where possible.
- Rework of our page table walking so that THP updates only need to
send IPIs to CPUs where the affected mm has run, rather than all
CPUs.
- The size of our vmalloc area is increased to 56T on 64-bit hash MMU
systems. This avoids problems with the percpu allocator on systems
with very sparse NUMA layouts.
- STRICT_KERNEL_RWX support on PPC32.
- A new sched domain topology for Power9, to capture the fact that
pairs of cores may share an L2 cache.
- Power9 support for VAS, which is a new mechanism for accessing
coprocessors, and initial support for using it with the NX
compression accelerator.
- Major work on the instruction emulation support, adding support for
many new instructions, and reworking it so it can be used to
implement the emulation needed to fixup alignment faults.
- Support for guests under PowerVM to use the Power9 XIVE interrupt
controller.
And probably that many things again that are almost as interesting,
but I had to keep the list short. Plus the usual fixes and cleanups as
always.
Thanks to: Alexey Kardashevskiy, Alistair Popple, Andreas Schwab,
Aneesh Kumar K.V, Anju T Sudhakar, Arvind Yadav, Balbir Singh,
Benjamin Herrenschmidt, Bhumika Goyal, Breno Leitao, Bryant G. Ly,
Christophe Leroy, Cédric Le Goater, Dan Carpenter, Dou Liyang,
Frederic Barrat, Gautham R. Shenoy, Geliang Tang, Geoff Levand, Hannes
Reinecke, Haren Myneni, Ivan Mikhaylov, John Allen, Julia Lawall,
LABBE Corentin, Laurentiu Tudor, Madhavan Srinivasan, Markus Elfring,
Masahiro Yamada, Matt Brown, Michael Neuling, Murilo Opsfelder Araujo,
Nathan Fontenot, Naveen N. Rao, Nicholas Piggin, Oliver O'Halloran,
Paul Mackerras, Rashmica Gupta, Rob Herring, Rui Teng, Sam Bobroff,
Santosh Sivaraj, Scott Wood, Shilpasri G Bhat, Sukadev Bhattiprolu,
Suraj Jitindar Singh, Tobin C. Harding, Victor Aoqui"
* tag 'powerpc-4.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (321 commits)
powerpc/xive: Fix section __init warning
powerpc: Fix kernel crash in emulation of vector loads and stores
powerpc/xive: improve debugging macros
powerpc/xive: add XIVE Exploitation Mode to CAS
powerpc/xive: introduce H_INT_ESB hcall
powerpc/xive: add the HW IRQ number under xive_irq_data
powerpc/xive: introduce xive_esb_write()
powerpc/xive: rename xive_poke_esb() in xive_esb_read()
powerpc/xive: guest exploitation of the XIVE interrupt controller
powerpc/xive: introduce a common routine xive_queue_page_alloc()
powerpc/sstep: Avoid used uninitialized error
axonram: Return directly after a failed kzalloc() in axon_ram_probe()
axonram: Improve a size determination in axon_ram_probe()
axonram: Delete an error message for a failed memory allocation in axon_ram_probe()
powerpc/powernv/npu: Move tlb flush before launching ATSD
powerpc/macintosh: constify wf_sensor_ops structures
powerpc/iommu: Use permission-specific DEVICE_ATTR variants
powerpc/eeh: Delete an error out of memory message at init time
powerpc/mm: Use seq_putc() in two functions
macintosh: Convert to using %pOF instead of full_name
...
Pull EFI updates from Ingo Molnar:
"The main changes in this cycle were:
- Transparently fall back to other poweroff method(s) if EFI poweroff
fails (and returns)
- Use separate PE/COFF section headers for the RX and RW parts of the
ARM stub loader so that the firmware can use strict mapping
permissions
- Add support for requesting the firmware to wipe RAM at warm reboot
- Increase the size of the random seed obtained from UEFI so CRNG
fast init can complete earlier
- Update the EFI framebuffer address if it points to a BAR that gets
moved by the PCI resource allocation code
- Enable "reset attack mitigation" of TPM environments: this is
enabled if the kernel is configured with
CONFIG_RESET_ATTACK_MITIGATION=y.
- Clang related fixes
- Misc cleanups, constification, refactoring, etc"
* 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi/bgrt: Use efi_mem_type()
efi: Move efi_mem_type() to common code
efi/reboot: Make function pointer orig_pm_power_off static
efi/random: Increase size of firmware supplied randomness
efi/libstub: Enable reset attack mitigation
firmware/efi/esrt: Constify attribute_group structures
firmware/efi: Constify attribute_group structures
firmware/dcdbas: Constify attribute_group structures
arm/efi: Split zImage code and data into separate PE/COFF sections
arm/efi: Replace open coded constants with symbolic ones
arm/efi: Remove pointless dummy .reloc section
arm/efi: Remove forbidden values from the PE/COFF header
drivers/fbdev/efifb: Allow BAR to be moved instead of claiming it
efi/reboot: Fall back to original power-off method if EFI_RESET_SHUTDOWN returns
efi/arm/arm64: Add missing assignment of efi.config_table
efi/libstub/arm64: Set -fpie when building the EFI stub
efi/libstub/arm64: Force 'hidden' visibility for section markers
efi/libstub/arm64: Use hidden attribute for struct screen_info reference
efi/arm: Don't mark ACPI reclaim memory as MEMBLOCK_NOMAP
* a remain-on-channel fix from Avi
* hwsim TX power fix from Beni
* null-PTR dereference with iTXQ in some rare configurations (Chunho)
* 40 MHz custom regdomain fixes (Emmanuel)
* look at right place in HT/VHT capability parsing (Igor)
* complete A-MPDU teardown properly (Ilan)
* Mesh ID Element ordering fix (Liad)
* avoid tracing warning in ht_dbg() (Sharon)
* fix print of assoc/reassoc (Simon)
* fix encrypted VLAN with iTXQ (myself)
* fix calling context of TX queue wake (myself)
* fix a deadlock with ath10k aggregation (myself)
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Merge tag 'mac80211-for-davem-2017-09-07' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
Back from a long absence, so we have a number of things:
* a remain-on-channel fix from Avi
* hwsim TX power fix from Beni
* null-PTR dereference with iTXQ in some rare configurations (Chunho)
* 40 MHz custom regdomain fixes (Emmanuel)
* look at right place in HT/VHT capability parsing (Igor)
* complete A-MPDU teardown properly (Ilan)
* Mesh ID Element ordering fix (Liad)
* avoid tracing warning in ht_dbg() (Sharon)
* fix print of assoc/reassoc (Simon)
* fix encrypted VLAN with iTXQ (myself)
* fix calling context of TX queue wake (myself)
* fix a deadlock with ath10k aggregation (myself)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The LEDS_CMD command is only supported in some newer FW versions
(e.g. iwlwifi-8000C-31.ucode), so we can't send it to older versions
(such as iwlwifi-8000C-27.ucode).
To fix this, check for a new bit in the FW capabilities TLV that tells
when the command is supported.
Note that the current version of -31.ucode in linux-firmware.git
(31.532993.0) does not have this capability bit set, so the LED won't
work, even though this version should support it. But we will update
this firmware soon, so it won't be a problem anymore.
Fixes: 7089ae634c ("iwlwifi: mvm: use firmware LED command where applicable")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
KVM/PPC update for 4.14
There are various minor fixes and cleanups. The only new feature is
that we now export information about storage key support to userspace,
so it can advertise it to the guest.
I have pulled in Michael Ellerman's topic/ppc-kvm branch from the
powerpc tree to get a couple of fixes that touch both KVM PPC code and
other PPC code. That's why there is some arch/powerpc stuff in the
diffstat that isn't arch/powerpc/kvm.
Currently, aio-nr is incremented in steps of 'num_possible_cpus() * 8'
for io_setup(nr_events, ..) with 'nr_events < num_possible_cpus() * 4':
ioctx_alloc()
...
nr_events = max(nr_events, num_possible_cpus() * 4);
nr_events *= 2;
...
ctx->max_reqs = nr_events;
...
aio_nr += ctx->max_reqs;
....
This limits the number of aio contexts actually available to much less
than aio-max-nr, and is increasingly worse with greater number of CPUs.
For example, with 64 CPUs, only 256 aio contexts are actually available
(with aio-max-nr = 65536) because the increment is 512 in that scenario.
Note: 65536 [max aio contexts] / (64*4*2) [increment per aio context]
is 128, but make it 256 (double) as counting against 'aio-max-nr * 2':
ioctx_alloc()
...
if (aio_nr + nr_events > (aio_max_nr * 2UL) ||
...
goto err_ctx;
...
This patch uses the original value of nr_events (from userspace) to
increment aio-nr and count against aio-max-nr, which resolves those.
Signed-off-by: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>
Reported-by: Lekshmi C. Pillai <lekshmi.cpillai@in.ibm.com>
Tested-by: Lekshmi C. Pillai <lekshmi.cpillai@in.ibm.com>
Tested-by: Paul Nguyen <nguyenp@us.ibm.com>
Reviewed-by: Jeff Moyer <jmoyer@redhat.com>
Signed-off-by: Benjamin LaHaise <bcrl@kvack.org>
Pull x86 platform updates from Ingo Molnar:
"The main changes include various Hyper-V optimizations such as faster
hypercalls and faster/better TLB flushes - and there's also some
Intel-MID cleanups"
* 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tracing/hyper-v: Trace hyperv_mmu_flush_tlb_others()
x86/hyper-v: Support extended CPU ranges for TLB flush hypercalls
x86/platform/intel-mid: Make several arrays static, to make code smaller
MAINTAINERS: Add missed file for Hyper-V
x86/hyper-v: Use hypercall for remote TLB flush
hyper-v: Globalize vp_index
x86/hyper-v: Implement rep hypercalls
hyper-v: Use fast hypercall for HVCALL_SIGNAL_EVENT
x86/hyper-v: Introduce fast hypercall implementation
x86/hyper-v: Make hv_do_hypercall() inline
x86/hyper-v: Include hyperv/ only when CONFIG_HYPERV is set
x86/platform/intel-mid: Make 'bt_sfi_data' const
x86/platform/intel-mid: Make IRQ allocation a bit more flexible
x86/platform/intel-mid: Group timers callbacks together
Two minor cleanups and improvements, a fix for decoding external abort
types from guests, and added support for migrating the active priority
of interrupts when running a GICv2 guest on a GICv3 host.
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Merge tag 'kvm-arm-for-v4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm
KVM/ARM Changes for v4.14
Two minor cleanups and improvements, a fix for decoding external abort
types from guests, and added support for migrating the active priority
of interrupts when running a GICv2 guest on a GICv3 host.
Since commit 18290650b1 ("NFS: Move buffered I/O locking into
nfs_file_write()") nfs_file_write() has not flushed the correct byte
range during synchronous writes. generic_write_sync() expects that
iocb->ki_pos points to the right edge of the range rather than the
left edge.
To replicate the problem, open a file with O_DSYNC, have the client
write at increasing offsets, and then print the successful offsets.
Block port 2049 partway through that sequence, and observe that the
client application indicates successful writes in advance of what the
server received.
Fixes: 18290650b1 ("NFS: Move buffered I/O locking into nfs_file_write()")
Signed-off-by: Jacob Strauss <jsstraus@amazon.com>
Signed-off-by: Tarang Gupta <tarangg@amazon.com>
Tested-by: Tarang Gupta <tarangg@amazon.com>
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
- merge of topic branch tlb-flushing from the s390 tree to get the
no-dat base features
- merge of kvm/master to avoid conflicts with additional sthyi fixes
- wire up the no-dat enhancements in KVM
- multiple epoch facility (z14 feature)
- Configuration z/Architecture Mode
- more sthyi fixes
- gdb server range checking fix
- small code cleanups
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Merge tag 'kvm-s390-next-4.14-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux
KVM: s390: Fixes and features for 4.14
- merge of topic branch tlb-flushing from the s390 tree to get the
no-dat base features
- merge of kvm/master to avoid conflicts with additional sthyi fixes
- wire up the no-dat enhancements in KVM
- multiple epoch facility (z14 feature)
- Configuration z/Architecture Mode
- more sthyi fixes
- gdb server range checking fix
- small code cleanups
Apparently the PCIe capability is at address 0x40 in config space of X-Gene
v1 Root Ports. Add a definition of that and use the generic PCI_EXP_RTCTL
offset into the capability. No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
