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5973 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
 Linus Torvalds
|
e6e3d8f8f4 |
Merge tag 'pci-v4.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI updates from Bjorn Helgaas: "Summary of PCI changes for the v4.9 merge window: Enumeration: - microblaze: Add multidomain support for procfs (Bharat Kumar Gogada) Resource management: - Ignore requested alignment for PROBE_ONLY and fixed resources (Yongji Xie) - Ignore requested alignment for VF BARs (Yongji Xie) PCI device hotplug: - Make core explicitly non-modular (Paul Gortmaker) PCIe native device hotplug: - Rename pcie_isr() locals for clarity (Bjorn Helgaas) - Return IRQ_NONE when we can't read interrupt status (Bjorn Helgaas) - Remove unnecessary guard (Bjorn Helgaas) - Clean up dmesg "Slot(%s)" messages (Bjorn Helgaas) - Remove useless pciehp_get_latch_status() calls (Bjorn Helgaas) - Clear attention LED on device add (Keith Busch) - Allow exclusive userspace control of indicators (Keith Busch) - Process all hotplug events before looking for new ones (Mayurkumar Patel) - Don't re-read Slot Status when queuing hotplug event (Mayurkumar Patel) - Don't re-read Slot Status when handling surprise event (Mayurkumar Patel) - Make explicitly non-modular (Paul Gortmaker) Power management: - Afford direct-complete to devices with non-standard PM (Lukas Wunner) - Query platform firmware for device power state (Lukas Wunner) - Recognize D3cold in pci_update_current_state() (Lukas Wunner) - Avoid unnecessary resume after direct-complete (Lukas Wunner) - Make explicitly non-modular (Paul Gortmaker) Virtualization: - Mark Atheros AR9580 to avoid bus reset (Maik Broemme) - Check for pci_setup_device() failure in pci_iov_add_virtfn() (Po Liu) MSI: - Enable PCI_MSI_IRQ_DOMAIN support for ARC (Joao Pinto) AER: - Remove aerdriver.nosourceid kernel parameter (Bjorn Helgaas) - Remove aerdriver.forceload kernel parameter (Bjorn Helgaas) - Fix aer_probe() kernel-doc comment (Cao jin) - Add bus flag to skip source ID matching (Jon Derrick) - Avoid memory allocation in interrupt handling path (Jon Derrick) - Cache capability position (Keith Busch) - Make explicitly non-modular (Paul Gortmaker) - Remove duplicate AER severity translation (Tyler Baicar) - Send correct severity to calculate AER severity (Tyler Baicar) Precision Time Measurement: - Add Precision Time Measurement (PTM) support (Jonathan Yong) - Add PTM clock granularity information (Bjorn Helgaas) - Add pci_enable_ptm() for drivers to enable PTM on endpoints (Bjorn Helgaas) Generic host bridge driver: - Fix pci_remap_iospace() failure path (Lorenzo Pieralisi) - Make explicitly non-modular (Paul Gortmaker) Altera host bridge driver: - Remove redundant platform_get_resource() return value check (Bjorn Helgaas) - Poll for link training status after retraining the link (Ley Foon Tan) - Rework config accessors for use without a struct pci_bus (Ley Foon Tan) - Move retrain from fixup to altera_pcie_host_init() (Ley Foon Tan) - Make MSI explicitly non-modular (Paul Gortmaker) - Make explicitly non-modular (Paul Gortmaker) - Relax device number checking to allow SR-IOV (Po Liu) ARM Versatile host bridge driver: - Fix pci_remap_iospace() failure path (Lorenzo Pieralisi) Axis ARTPEC-6 host bridge driver: - Drop __init from artpec6_add_pcie_port() (Niklas Cassel) Freescale i.MX6 host bridge driver: - Make explicitly non-modular (Paul Gortmaker) Intel VMD host bridge driver: - Add quirk for AER to ignore source ID (Jon Derrick) - Allocate IRQ lists with correct MSI-X count (Jon Derrick) - Convert to use pci_alloc_irq_vectors() API (Jon Derrick) - Eliminate vmd_vector member from list type (Jon Derrick) - Eliminate index member from IRQ list (Jon Derrick) - Synchronize with RCU freeing MSI IRQ descs (Keith Busch) - Request userspace control of PCIe hotplug indicators (Keith Busch) - Move VMD driver to drivers/pci/host (Keith Busch) Marvell Aardvark host bridge driver: - Fix pci_remap_iospace() failure path (Lorenzo Pieralisi) - Remove redundant dev_err call in advk_pcie_probe() (Wei Yongjun) Microsoft Hyper-V host bridge driver: - Use zero-length array in struct pci_packet (Dexuan Cui) - Use pci_function_description[0] in struct definitions (Dexuan Cui) - Remove the unused 'wrk' in struct hv_pcibus_device (Dexuan Cui) - Handle vmbus_sendpacket() failure in hv_compose_msi_msg() (Dexuan Cui) - Handle hv_pci_generic_compl() error case (Dexuan Cui) - Use list_move_tail() instead of list_del() + list_add_tail() (Wei Yongjun) NVIDIA Tegra host bridge driver: - Fix pci_remap_iospace() failure path (Lorenzo Pieralisi) - Remove redundant _data suffix (Thierry Reding) - Use of_device_get_match_data() (Thierry Reding) Qualcomm host bridge driver: - Make explicitly non-modular (Paul Gortmaker) Renesas R-Car host bridge driver: - Consolidate register space lookup and ioremap (Bjorn Helgaas) - Don't disable/unprepare clocks on prepare/enable failure (Geert Uytterhoeven) - Add multi-MSI support (Grigory Kletsko) - Fix pci_remap_iospace() failure path (Lorenzo Pieralisi) - Fix some checkpatch warnings (Sergei Shtylyov) - Try increasing PCIe link speed to 5 GT/s at boot (Sergei Shtylyov) Rockchip host bridge driver: - Add DT bindings for Rockchip PCIe controller (Shawn Lin) - Add Rockchip PCIe controller support (Shawn Lin) - Improve the deassert sequence of four reset pins (Shawn Lin) - Fix wrong transmitted FTS count (Shawn Lin) - Increase the Max Credit update interval (Rajat Jain) Samsung Exynos host bridge driver: - Make explicitly non-modular (Paul Gortmaker) ST Microelectronics SPEAr13xx host bridge driver: - Make explicitly non-modular (Paul Gortmaker) Synopsys DesignWare host bridge driver: - Return data directly from dw_pcie_readl_rc() (Bjorn Helgaas) - Exchange viewport of `MEMORYs' and `CFGs/IOs' (Dong Bo) - Check LTSSM training bit before deciding link is up (Jisheng Zhang) - Move link wait definitions to .c file (Joao Pinto) - Wait for iATU enable (Joao Pinto) - Add iATU Unroll feature (Joao Pinto) - Fix pci_remap_iospace() failure path (Lorenzo Pieralisi) - Make explicitly non-modular (Paul Gortmaker) - Relax device number checking to allow SR-IOV (Po Liu) - Keep viewport fixed for IO transaction if num_viewport > 2 (Pratyush Anand) - Remove redundant platform_get_resource() return value check (Wei Yongjun) TI DRA7xx host bridge driver: - Make explicitly non-modular (Paul Gortmaker) TI Keystone host bridge driver: - Propagate request_irq() failure (Wei Yongjun) Xilinx AXI host bridge driver: - Keep both legacy and MSI interrupt domain references (Bharat Kumar Gogada) - Clear interrupt register for invalid interrupt (Bharat Kumar Gogada) - Clear correct MSI set bit (Bharat Kumar Gogada) - Dispose of MSI virtual IRQ (Bharat Kumar Gogada) - Make explicitly non-modular (Paul Gortmaker) - Relax device number checking to allow SR-IOV (Po Liu) Xilinx NWL host bridge driver: - Expand error logging (Bharat Kumar Gogada) - Enable all MSI interrupts using MSI mask (Bharat Kumar Gogada) - Make explicitly non-modular (Paul Gortmaker) Miscellaneous: - Drop CONFIG_KEXEC_CORE ifdeffery (Lukas Wunner) - portdrv: Make explicitly non-modular (Paul Gortmaker) - Make DPC explicitly non-modular (Paul Gortmaker)" * tag 'pci-v4.9-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (105 commits) x86/PCI: VMD: Move VMD driver to drivers/pci/host PCI: rockchip: Fix wrong transmitted FTS count PCI: rockchip: Improve the deassert sequence of four reset pins PCI: rockchip: Increase the Max Credit update interval PCI: rcar: Try increasing PCIe link speed to 5 GT/s at boot PCI/AER: Fix aer_probe() kernel-doc comment PCI: Ignore requested alignment for VF BARs PCI: Ignore requested alignment for PROBE_ONLY and fixed resources PCI: Avoid unnecessary resume after direct-complete PCI: Recognize D3cold in pci_update_current_state() PCI: Query platform firmware for device power state PCI: Afford direct-complete to devices with non-standard PM PCI/AER: Cache capability position PCI/AER: Avoid memory allocation in interrupt handling path x86/PCI: VMD: Request userspace control of PCIe hotplug indicators PCI: pciehp: Allow exclusive userspace control of indicators ACPI / APEI: Send correct severity to calculate AER severity PCI/AER: Remove duplicate AER severity translation x86/PCI: VMD: Synchronize with RCU freeing MSI IRQ descs x86/PCI: VMD: Eliminate index member from IRQ list ... |
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Linus Torvalds
|
0fb3ca447d |
Merge tag 'pstore-v4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull pstore updates from Kees Cook: - Fix bug in module unloading - Switch to always using spinlock over cmpxchg - Explicitly define pstore backend's supported modes - Remove bounce buffer from pmsg - Switch to using memcpy_to/fromio() - Error checking improvements * tag 'pstore-v4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: ramoops: move spin_lock_init after kmalloc error checking pstore/ram: Use memcpy_fromio() to save old buffer pstore/ram: Use memcpy_toio instead of memcpy pstore/pmsg: drop bounce buffer pstore/ram: Set pstore flags dynamically pstore: Split pstore fragile flags pstore/core: drop cmpxchg based updates pstore/ramoops: fixup driver removal |
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Linus Torvalds
|
e6dce825fb |
Merge tag 'tty-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty and serial updates from Greg KH: "Here is the big tty and serial patch set for 4.9-rc1. It also includes some drivers/dma/ changes, as those were needed by some serial drivers, and they were all acked by the DMA maintainer. Also in here is the long-suffering ACPI SPCR patchset, which was passed around from maintainer to maintainer like a hot-potato. Seems I was the sucker^Wlucky one. All of those patches have been acked by the various subsystem maintainers as well. All of this has been in linux-next with no reported issues" * tag 'tty-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (111 commits) Revert "serial: pl011: add console matching function" MAINTAINERS: update entry for atmel_serial driver serial: pl011: add console matching function ARM64: ACPI: enable ACPI_SPCR_TABLE ACPI: parse SPCR and enable matching console of/serial: move earlycon early_param handling to serial Revert "drivers/tty: Explicitly pass current to show_stack" tty: amba-pl011: Don't complain on -EPROBE_DEFER when no irq nios2: dts: 10m50: Add tx-threshold parameter serial: 8250: Set Altera 16550 TX FIFO Threshold serial: 8250: of: Load TX FIFO Threshold from DT Documentation: dt: serial: Add TX FIFO threshold parameter drivers/tty: Explicitly pass current to show_stack serial: imx: Fix DCD reading serial: stm32: mark symbols static where possible serial: xuartps: Add some register initialisation to cdns_early_console_setup() serial: xuartps: Removed unwanted checks while reading the error conditions serial: xuartps: Rewrite the interrupt handling logic serial: stm32: use mapbase instead of membase for DMA tty/serial: atmel: fix fractional baud rate computation ... |
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Linus Torvalds
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597f03f9d1 |
Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull CPU hotplug updates from Thomas Gleixner:
"Yet another batch of cpu hotplug core updates and conversions:
- Provide core infrastructure for multi instance drivers so the
drivers do not have to keep custom lists.
- Convert custom lists to the new infrastructure. The block-mq custom
list conversion comes through the block tree and makes the diffstat
tip over to more lines removed than added.
- Handle unbalanced hotplug enable/disable calls more gracefully.
- Remove the obsolete CPU_STARTING/DYING notifier support.
- Convert another batch of notifier users.
The relayfs changes which conflicted with the conversion have been
shipped to me by Andrew.
The remaining lot is targeted for 4.10 so that we finally can remove
the rest of the notifiers"
* 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (46 commits)
cpufreq: Fix up conversion to hotplug state machine
blk/mq: Reserve hotplug states for block multiqueue
x86/apic/uv: Convert to hotplug state machine
s390/mm/pfault: Convert to hotplug state machine
mips/loongson/smp: Convert to hotplug state machine
mips/octeon/smp: Convert to hotplug state machine
fault-injection/cpu: Convert to hotplug state machine
padata: Convert to hotplug state machine
cpufreq: Convert to hotplug state machine
ACPI/processor: Convert to hotplug state machine
virtio scsi: Convert to hotplug state machine
oprofile/timer: Convert to hotplug state machine
block/softirq: Convert to hotplug state machine
lib/irq_poll: Convert to hotplug state machine
x86/microcode: Convert to hotplug state machine
sh/SH-X3 SMP: Convert to hotplug state machine
ia64/mca: Convert to hotplug state machine
ARM/OMAP/wakeupgen: Convert to hotplug state machine
ARM/shmobile: Convert to hotplug state machine
arm64/FP/SIMD: Convert to hotplug state machine
...
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Linus Torvalds
|
999dcbe241 |
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The irq departement proudly presents:
- A rework of the core infrastructure to optimally spread interrupt
for multiqueue devices. The first version was a bit naive and
failed to take thread siblings and other details into account.
Developed in cooperation with Christoph and Keith.
- Proper delegation of softirqs to ksoftirqd, so if ksoftirqd is
active then no further softirq processsing on interrupt return
happens. Otherwise we try to delegate and still run another batch
of network packets in the irq return path, which then tries to
delegate to ksoftirqd .....
- A proper machine parseable sysfs based alternative for
/proc/interrupts.
- ACPI support for the GICV3-ITS and ARM interrupt remapping
- Two new irq chips from the ARM SoC zoo: STM32-EXTI and MVEBU-PIC
- A new irq chip for the JCore (SuperH)
- The usual pile of small fixlets in core and irqchip drivers"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (42 commits)
softirq: Let ksoftirqd do its job
genirq: Make function __irq_do_set_handler() static
ARM/dts: Add EXTI controller node to stm32f429
ARM/STM32: Select external interrupts controller
drivers/irqchip: Add STM32 external interrupts support
Documentation/dt-bindings: Document STM32 EXTI controller bindings
irqchip/mips-gic: Use for_each_set_bit to iterate over local IRQs
pci/msi: Retrieve affinity for a vector
genirq/affinity: Remove old irq spread infrastructure
genirq/msi: Switch to new irq spreading infrastructure
genirq/affinity: Provide smarter irq spreading infrastructure
genirq/msi: Add cpumask allocation to alloc_msi_entry
genirq: Expose interrupt information through sysfs
irqchip/gicv3-its: Use MADT ITS subtable to do PCI/MSI domain initialization
irqchip/gicv3-its: Factor out PCI-MSI part that might be reused for ACPI
irqchip/gicv3-its: Probe ITS in the ACPI way
irqchip/gicv3-its: Refactor ITS DT init code to prepare for ACPI
irqchip/gicv3-its: Cleanup for ITS domain initialization
PCI/MSI: Setup MSI domain on a per-device basis using IORT ACPI table
ACPI: Add new IORT functions to support MSI domain handling
...
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Linus Torvalds
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110a9e42b6 |
Merge branch 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 apic updates from Ingo Molnar:
"The main changes are:
- Persistent CPU/node numbering across CPU hotplug/unplug events.
This is a pretty involved series of changes that first fetches all
the information during bootup and then uses it for the various
hotplug/unplug methods. (Gu Zheng, Dou Liyang)
- IO-APIC hot-add/remove fixes and enhancements. (Rui Wang)
- ... various fixes, cleanups and enhancements"
* 'x86-apic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (22 commits)
x86/apic: Fix silent & fatal merge conflict in __generic_processor_info()
acpi: Fix broken error check in map_processor()
acpi: Validate processor id when mapping the processor
acpi: Provide mechanism to validate processors in the ACPI tables
x86/acpi: Set persistent cpuid <-> nodeid mapping when booting
x86/acpi: Enable MADT APIs to return disabled apicids
x86/acpi: Introduce persistent storage for cpuid <-> apicid mapping
x86/acpi: Enable acpi to register all possible cpus at boot time
x86/numa: Online memory-less nodes at boot time
x86/apic: Get rid of apic_version[] array
x86/apic: Order irq_enter/exit() calls correctly vs. ack_APIC_irq()
x86/ioapic: Ignore root bridges without a companion ACPI device
x86/apic: Update comment about disabling processor focus
x86/smpboot: Check APIC ID before setting up default routing
x86/ioapic: Fix IOAPIC failing to request resource
x86/ioapic: Fix lost IOAPIC resource after hot-removal and hotadd
x86/ioapic: Fix setup_res() failing to get resource
x86/ioapic: Support hot-removal of IOAPICs present during boot
x86/ioapic: Change prototype of acpi_ioapic_add()
x86/apic, ACPI: Fix incorrect assignment when handling apic/x2apic entries
...
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Linus Torvalds
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72d39926f0 |
Merge tag 'acpi-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"First off, the ACPICA code in the kernel is updated to upstream
revision 20160831 that brings in a few bug fixes and cleanups. In
particular, it is possible to mask GPEs now (and the sysfs interface
for GPE control is fixed on top of that), problems related to the
table loading mechanism are fixed and all code related to FADT version
2 (which has never been part of the ACPI specification) is dropped.
On the new features front, there is a new watchdog driver based on the
ACPI WDAT (ACPI Watchdog Action Table), needed on some platforms to
replace the iTCO watchdog that doesn't work there, and some UART
devices get new definitions of built-in properties (to be accessed via
the generic device properties API).
Also, included is a fix for an ACPI-related PCI resorces allocation
issue and a few problems in the EC driver and in the button and
battery drivers are fixed.
In addition to that, the ACPI CPPC library is updated to make batching
of requests sent over the PCC channel possible (which reduces the PCC
usage overhead substantially in some cases) and to support functional
fixed hardware (FFH) type of CPPC registers access (which will allow
CPPC to be used on x86 too in the future).
As usual, there are some assorted fixes and cleanups too.
Specifics:
- Update of the ACPICA code in the kernel to upstream revision
20160831 with the following major changes:
* New mechanism for GPE masking.
* Fixes for issues related to the LoadTable operator and table
loading.
* Fixes for issues related to so-called module-level code (MLC),
that is AML that doesn't belong to any methods.
* Change of the return value of the _OSI method to reflect the
Windows behavior.
* GAS (Generic Address Structure) support fix related to 32-bit
FADT addresses.
* Elimination of unnecessary FADT version 2 support.
* ACPI tools fixes and cleanups.
From Bob Moore, Lv Zheng, and Jung-uk Kim.
- ACPI sysfs interface updates to fix GPE handling (on top of the new
GPE masking mechanism in ACPICA) and issues related to table
loading (Lv Zheng).
- New watchdog driver based on the ACPI WDAT (ACPI Watchdog Action
Table), needed on some platforms to replace the iTCO watchdog that
doesn't work there and related updates of the intel_pmc_ipc,
i2c/i801 and MFD/lcp_ich drivers (Mika Westerberg).
- Driver core fix to prevent it from leaking secondary fwnode objects
during device removal (Lukas Wunner).
- New definitions of built-in properties for UART in ACPI-based x86
SoC drivers and a 8250_dw driver quirk for the APM X-Gene SoC
(Heikki Krogerus).
- New device ID for the Vulcan SPI controller and constification of
local strucures in the AMD SoC (APD) ACPI driver (Kamlakant Patel,
Julia Lawall).
- Fix for a bug causing the allocation of PCI resorces to fail if
ACPI-enumerated child platform devices are registered below the PCI
devices in question (Mika Westerberg).
- Change of the default polarity for PCI legacy IRQs to high on
systems booting wth ACPI on platforms with a GIC interrupt
controller model fixing the discrepancy between the specification
and HW behavior (Lorenzo Pieralisi).
- Fixes for the handling of system suspend/resume in the ACPI EC
driver and update of that driver to make it cope with the cases
when the EC device defined in the ECDT has to be used throughout
the entire system life cycle (Lv Zheng).
- Update of the ACPI CPPC library to allow it to batch requests sent
over the PCC channel (to reduce overhead), to support the fixed
functional hardware (FFH) CPPC registers access type, to notify the
mailbox framework about TX completions when the interrupt flag is
set for the PCC mailbox, and to support HW-Reduced Communication
Subspace type 2 (Ashwin Chaugule, Prashanth Prakash, Srinivas
Pandruvada, Hoan Tran).
- ACPI button driver fix and documentation update related to the
handling of laptop lids (Lv Zheng).
- ACPI battery driver initialization fix (Carlos Garnacho).
- ACPI GPIO enumeration documentation update (Mika Westerberg).
- Assorted updates of the core ACPI bus type code (Lukas Wunner, Lv
Zheng).
- Assorted cleanups of the ACPI table parsing code and the
x86-specific ACPI code (Al Stone).
- Fixes for assorted ACPI-related issues found in linux-next (Wei
Yongjun)"
* tag 'acpi-4.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (98 commits)
ACPI / documentation: Use recommended name in GPIO property names
watchdog: wdat_wdt: Fix warning for using 0 as NULL
watchdog: wdat_wdt: fix return value check in wdat_wdt_probe()
platform/x86: intel_pmc_ipc: Do not create iTCO watchdog when WDAT table exists
i2c: i801: Do not create iTCO watchdog when WDAT table exists
mfd: lpc_ich: Do not create iTCO watchdog when WDAT table exists
ACPI / bus: Adjust ACPI subsystem initialization for new table loading mode
ACPICA: Parser: Fix a regression in LoadTable support
ACPICA: Tables: Fix "UNLOAD" code path lock issues
ACPI / watchdog: Add support for WDAT hardware watchdog
ACPI / platform: Pay attention to parent device's resources
PCI: Add pci_find_resource()
ACPI / CPPC: Support PCC with interrupt flag
ACPI / sysfs: Update sysfs signature handling code
ACPI / sysfs: Fix an issue for LoadTable opcode
ACPICA: Tables: Fix a regression in acpi_tb_find_table()
ACPI / tables: Remove duplicated include from tables.c
ACPI / APD: constify local structures
x86: ACPI: make variable names clearer in acpi_parse_madt_lapic_entries()
x86: ACPI: remove extraneous white space after semicolon
...
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 Rafael J. Wysocki
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8c4b172123 |
Merge branches 'acpi-button', 'acpi-battery' and 'acpi-doc'
* acpi-button: ACPI / button: Add document for ACPI control method lid device restrictions ACPI / button: Fix an issue in button.lid_init_state=ignore mode * acpi-battery: ACPI / battery: Add sysfs representation after checking _BST * acpi-doc: ACPI / documentation: Use recommended name in GPIO property names |
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Rafael J. Wysocki
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0137a337d7 |
Merge branches 'acpi-wdat' and 'acpi-ec'
* acpi-wdat: watchdog: wdat_wdt: Fix warning for using 0 as NULL watchdog: wdat_wdt: fix return value check in wdat_wdt_probe() platform/x86: intel_pmc_ipc: Do not create iTCO watchdog when WDAT table exists i2c: i801: Do not create iTCO watchdog when WDAT table exists mfd: lpc_ich: Do not create iTCO watchdog when WDAT table exists ACPI / watchdog: Add support for WDAT hardware watchdog * acpi-ec: ACPI / EC: Fix issues related to boot_ec ACPI / EC: Fix a gap that ECDT EC cannot handle EC events ACPI / EC: Fix a memory leakage issue in acpi_ec_add() ACPI / EC: Cleanup first_ec/boot_ec code ACPI / EC: Enable event freeze mode to improve event handling for suspend process ACPI / EC: Add PM operations to improve event handling for suspend process ACPI / EC: Add PM operations to improve event handling for resume process ACPI / EC: Fix an issue that SCI_EVT cannot be detected after event is enabled ACPI / EC: Add EC_FLAGS_QUERY_ENABLED to reveal a hidden logic ACPI / EC: Add PM operations for suspend/resume noirq stage |
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Rafael J. Wysocki
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0d573c6a01 |
Merge branches 'acpi-x86', 'acpi-cppc' and 'acpi-soc'
* acpi-x86: x86: ACPI: make variable names clearer in acpi_parse_madt_lapic_entries() x86: ACPI: remove extraneous white space after semicolon * acpi-cppc: ACPI / CPPC: Support PCC with interrupt flag ACPI / CPPC: Add prefix cppc to cpudata structure name ACPI / CPPC: Add support for functional fixed hardware address ACPI / CPPC: Don't return on CPPC probe failure ACPI / CPPC: Allow build with ACPI_CPU_FREQ_PSS config ACPI / CPPC: check for error bit in PCC status field ACPI / CPPC: move all PCC related information into pcc_data ACPI / CPPC: add sysfs support to compute delivered performance ACPI / CPPC: set a non-zero value for transition_latency ACPI / CPPC: support for batching CPPC requests ACPI / CPPC: acquire pcc_lock only while accessing PCC subspace ACPI / CPPC: restructure read/writes for efficient sys mapped reg ops mailbox: pcc: Support HW-Reduced Communication Subspace type 2 * acpi-soc: ACPI / APD: constify local structures ACPI / APD: Add device HID for Vulcan SPI controller |
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Rafael J. Wysocki
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4ec9e2890a |
Merge branch 'acpi-bus'
* acpi-bus: ACPI / bus: Adjust ACPI subsystem initialization for new table loading mode ACPI / bus: Make acpi_get_first_physical_node() public |
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Rafael J. Wysocki
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84a78c724b |
Merge branches 'acpi-sysfs', 'acpi-pci' and 'acpi-tables'
* acpi-sysfs: ACPI / sysfs: Update sysfs signature handling code ACPI / sysfs: Fix an issue for LoadTable opcode ACPI / sysfs: Use new GPE masking mechanism in GPE interface * acpi-pci: ACPI / platform: Pay attention to parent device's resources PCI: Add pci_find_resource() ACPI / PCI: fix GIC irq model default PCI IRQ polarity * acpi-tables: ACPI / tables: Remove duplicated include from tables.c ACPI / tables: do not report the number of entries ignored by acpi_parse_entries() ACPI / tables: fix acpi_parse_entries_array() so it traverses all subtables ACPI / tables: fix incorrect counts returned by acpi_parse_entries_array() |
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Rafael J. Wysocki
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9274139f4e |
Merge branch 'acpica'
* acpica: (45 commits) ACPICA: Parser: Fix a regression in LoadTable support ACPICA: Tables: Fix "UNLOAD" code path lock issues ACPICA: Tables: Fix a regression in acpi_tb_find_table() ACPICA: Update version to 20160831 ACPICA: Tables: Tune table mutex to be a leaf lock ACPICA: Dispatcher: Fix a mutex issue for method auto serialization ACPICA: Namespace: Fix dynamic table loading issues ACPICA: Namespace: Add acpi_ns_get_node_unlocked() ACPICA: Interpreter: Fix MLC issues by switching to new term_list grammar for table loading ACPICA: Update return value for intenal _OSI method ACPICA: Tables: Override all 64-bit GAS fields when acpi_gbl_use32_bit_fadt_addresses is TRUE ACPICA: Tables: Add new table events indicating table installation/uninstallation ACPICA: Tables: Remove wrong table event macros ACPICA: Tables: Remove acpi_tb_install_fixed_table() ACPICA: Add a couple of casts to uthex.c ACPICA: Cleanup for all string-to-integer conversions ACPICA: Debugger: Add subcommand for predefined name execution ACPICA: Update version to 20160729 ACPICA: OSL: Fix a regression that old GCC requires a workaround for strchr() ACPICA: OSL: Cleanup the inclusion order of the compiler-specific headers ... |
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Rafael J. Wysocki
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52ff5adc1f |
Merge branch 'device-properties'
* device-properties: serial: 8250_dw: Add quirk for APM X-Gene SoC ACPI / LPSS: Provide build-in properties of the UART ACPI / APD: Provide build-in properties of the UART driver core: Don't leak secondary fwnode on device removal |
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 Aleksey Makarov
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ad1696f6f0 |
ACPI: parse SPCR and enable matching console
'ARM Server Base Boot Requiremets' [1] mentions SPCR (Serial Port Console Redirection Table) [2] as a mandatory ACPI table that specifies the configuration of serial console. Defer initialization of DT earlycon until ACPI/DT decision is made. Parse the ACPI SPCR table, setup earlycon if required, enable specified console. Thanks to Peter Hurley for explaining how this should work. [1] http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.den0044a/index.html [2] https://msdn.microsoft.com/en-us/library/windows/hardware/dn639132(v=vs.85).aspx Signed-off-by: Aleksey Makarov <aleksey.makarov@linaro.org> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Peter Hurley <peter@hurleysoftware.com> Tested-by: Kefeng Wang <wangkefeng.wang@huawei.com> Tested-by: Christopher Covington <cov@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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 Thomas Gleixner
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1e1b37273c |
Merge branch 'x86/urgent' into x86/apic
Bring in the upstream modifications so we can fixup the silent merge conflict which is introduced by this merge. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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 Lv Zheng
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1ef356681e |
ACPI / bus: Adjust ACPI subsystem initialization for new table loading mode
This patch enables the following initialization order for the
new table loading mode (which is enabled by setting
acpi_gbl_parse_table_as_term_list to TRUE):
1. Install default region handlers (SystemMemory, SystemIo, PciConfig,
EmbeddedControl via ECDT) without evaluating _REG;
2. Load the table and execute the module level AML opcodes instantly.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Rafael J. Wysocki
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f42106fe65 | Merge branch 'acpica' into acpi-bus | ||
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Lv Zheng
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7a0b71dc80 |
ACPICA: Parser: Fix a regression in LoadTable support
ACPICA commit a78506e0ce8ab1d20db2a055d99cf9143e89eb29 LoadTable allows an alternative RootPathString than the default "\", while the new table execution support fails to keep this logic. This regression can be detected by ASLTS - TLT0.tst4, this patch fixes this regression. Linux upstream is not affected by this regression as we haven't enabled the new table execution support there. BZ 1326, Lv Zheng. Link: https://github.com/acpica/acpica/commit/a78506e0 Link: https://bugs.acpica.org/show_bug.cgi?id=1326 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Lv Zheng
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9febcdc071 |
ACPICA: Tables: Fix "UNLOAD" code path lock issues
ACPICA commit 39227380f5b99c51b897a3ffedd88508aa26789b The previous lock fixes didn't cover "Unload" opcode and table unload APIs, this patch fixes lock issues in the "Unload" code path. BZ 1325, Lv Zheng. Link: https://github.com/acpica/acpica/commit/39227380 Link: https://bugs.acpica.org/show_bug.cgi?id=1325 Signed-off-by: Lv Zheng <lv.zheng@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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 Mika Westerberg
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058dfc7670 |
ACPI / watchdog: Add support for WDAT hardware watchdog
Starting from Intel Skylake the iTCO watchdog timer registers were moved to reside in the same register space with SMBus host controller. Not all needed registers are available though and we need to unhide P2SB (Primary to Sideband) device briefly to be able to read status of required NO_REBOOT bit. The i2c-i801.c SMBus driver used to handle this and creation of the iTCO watchdog platform device. Windows, on the other hand, does not use the iTCO watchdog hardware directly even if it is available. Instead it relies on ACPI Watchdog Action Table (WDAT) table to describe the watchdog hardware to the OS. This table contains necessary information about the the hardware and also set of actions which are executed by a driver as needed. This patch implements a new watchdog driver that takes advantage of the ACPI WDAT table. We split the functionality into two parts: first part enumerates the WDAT table and if found, populates resources and creates platform device for the actual driver. The second part is the driver itself. The reason for the split is that this way we can make the driver itself to be a module and loaded automatically if the WDAT table is found. Otherwise the module is not loaded. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Thomas Gleixner
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c183a603e8 |
acpi: Fix broken error check in map_processor()
map_processor() checks the cpuid value returned by acpi_map_cpuid() for -1
but acpi_map_cpuid() returns -EINVAL in case of error.
As a consequence the error is ignored and the following access into percpu
data with that negative cpuid results in a boot crash.
This happens always when NR_CPUS/nr_cpu_ids is smaller than the number of
processors listed in the ACPI tables.
Use a proper error check for id < 0 so the function returns instead of
trying to map CPU#(-EINVAL).
Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Dou Liyang <douly.fnst@cn.fujitsu.com>
Cc: Gu Zheng <guz.fnst@cn.fujitsu.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tang Chen <tangchen@cn.fujitsu.com>
Cc: Zhu Guihua <zhugh.fnst@cn.fujitsu.com>
Cc: akpm@linux-foundation.org
Cc: chen.tang@easystack.cn
Cc: cl@linux.com
Cc: gongzhaogang@inspur.com
Cc: isimatu.yasuaki@jp.fujitsu.com
Cc: izumi.taku@jp.fujitsu.com
Cc: kamezawa.hiroyu@jp.fujitsu.com
Cc: len.brown@intel.com
Cc: lenb@kernel.org
Cc: linux-acpi@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: mika.j.penttila@gmail.com
Cc: rafael@kernel.org
Cc: rjw@rjwysocki.net
Cc: tj@kernel.org
Cc: yasu.isimatu@gmail.com
Fixes:
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 Dou Liyang
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fd74da217d |
acpi: Validate processor id when mapping the processor
When we want to identify whether the proc_id is unreasonable or not, we can call the "acpi_processor_validate_proc_id" function. It will search in the duplicate IDs. If we find the proc_id in the IDs, we return true to the call function. Conversely, the false represents available. When we establish all possible cpuid <-> nodeid mapping to handle the cpu hotplugs, we will use the proc_id from ACPI table. We do validation when we get the proc_id. If the result is true, we will stop the mapping. [ tglx: Mark the new function __init ] Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: mika.j.penttila@gmail.com Cc: len.brown@intel.com Cc: rafael@kernel.org Cc: rjw@rjwysocki.net Cc: yasu.isimatu@gmail.com Cc: linux-mm@kvack.org Cc: linux-acpi@vger.kernel.org Cc: isimatu.yasuaki@jp.fujitsu.com Cc: gongzhaogang@inspur.com Cc: tj@kernel.org Cc: izumi.taku@jp.fujitsu.com Cc: cl@linux.com Cc: chen.tang@easystack.cn Cc: akpm@linux-foundation.org Cc: kamezawa.hiroyu@jp.fujitsu.com Cc: lenb@kernel.org Link: http://lkml.kernel.org/r/1472114120-3281-8-git-send-email-douly.fnst@cn.fujitsu.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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Dou Liyang
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8e089eaa19 |
acpi: Provide mechanism to validate processors in the ACPI tables
[Problem] When we set cpuid <-> nodeid mapping to be persistent, it will use the DSDT As we know, the ACPI tables are just like user's input in that respect, and we don't crash if user's input is unreasonable. Such as, the mapping of the proc_id and pxm in some machine's ACPI table is like this: proc_id | pxm -------------------- 0 <-> 0 1 <-> 0 2 <-> 1 3 <-> 1 89 <-> 0 89 <-> 0 89 <-> 0 89 <-> 1 89 <-> 1 89 <-> 2 89 <-> 3 ..... We can't be sure which one is correct to the proc_id 89. We may map a wrong node to a cpu. When pages are allocated, this may cause a kernal panic. So, we should provide mechanisms to validate the ACPI tables, just like we do validation to check user's input in web project. The mechanism is that the processor objects which have the duplicate IDs are not valid. [Solution] We add a validation function, like this: foreach Processor in DSDT proc_id = get_ACPI_Processor_number(Processor) if (proc_id exists ) mark both of them as being unreasonable; The function will record the unique or duplicate processor IDs. The duplicate processor IDs such as 89 are regarded as the unreasonable IDs which mean that the processor objects in question are not valid. [ tglx: Add __init[data] annotations ] Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: mika.j.penttila@gmail.com Cc: len.brown@intel.com Cc: rafael@kernel.org Cc: rjw@rjwysocki.net Cc: yasu.isimatu@gmail.com Cc: linux-mm@kvack.org Cc: linux-acpi@vger.kernel.org Cc: isimatu.yasuaki@jp.fujitsu.com Cc: gongzhaogang@inspur.com Cc: tj@kernel.org Cc: izumi.taku@jp.fujitsu.com Cc: cl@linux.com Cc: chen.tang@easystack.cn Cc: akpm@linux-foundation.org Cc: kamezawa.hiroyu@jp.fujitsu.com Cc: lenb@kernel.org Link: http://lkml.kernel.org/r/1472114120-3281-7-git-send-email-douly.fnst@cn.fujitsu.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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 Gu Zheng
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dc6db24d24 |
x86/acpi: Set persistent cpuid <-> nodeid mapping when booting
The whole patch-set aims at making cpuid <-> nodeid mapping persistent. So that, when node online/offline happens, cache based on cpuid <-> nodeid mapping such as wq_numa_possible_cpumask will not cause any problem. It contains 4 steps: 1. Enable apic registeration flow to handle both enabled and disabled cpus. 2. Introduce a new array storing all possible cpuid <-> apicid mapping. 3. Enable _MAT and MADT relative apis to return non-present or disabled cpus' apicid. 4. Establish all possible cpuid <-> nodeid mapping. This patch finishes step 4. This patch set the persistent cpuid <-> nodeid mapping for all enabled/disabled processors at boot time via an additional acpi namespace walk for processors. [ tglx: Remove the unneeded exports ] Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com> Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com> Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com> Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com> Acked-by: Ingo Molnar <mingo@kernel.org> Cc: mika.j.penttila@gmail.com Cc: len.brown@intel.com Cc: rafael@kernel.org Cc: rjw@rjwysocki.net Cc: yasu.isimatu@gmail.com Cc: linux-mm@kvack.org Cc: linux-acpi@vger.kernel.org Cc: isimatu.yasuaki@jp.fujitsu.com Cc: gongzhaogang@inspur.com Cc: tj@kernel.org Cc: izumi.taku@jp.fujitsu.com Cc: cl@linux.com Cc: chen.tang@easystack.cn Cc: akpm@linux-foundation.org Cc: kamezawa.hiroyu@jp.fujitsu.com Cc: lenb@kernel.org Link: http://lkml.kernel.org/r/1472114120-3281-6-git-send-email-douly.fnst@cn.fujitsu.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |