76f668be1e
271 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Juri Lelli
|
13610c9348 |
PM: docs: intel_pstate: fix Active Mode w/o HWP paragraph
P-state selection algorithm (powersave or performance) is selected by echoing the desired choice to scaling_governor sysfs attribute and not to scaling_cur_freq (as currently stated). Fix it. Signed-off-by: Juri Lelli <juri.lelli@redhat.com> Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Jonathan Neuschäfer
|
c72a0ded8d |
PM: docs: sleep-states: Fix a typo ("includig")
Fix a typo in admin-guide/pm/sleep-states.rst. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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Linus Torvalds
|
d8312a3f61 |
ARM:
- VHE optimizations
- EL2 address space randomization
- speculative execution mitigations ("variant 3a", aka execution past invalid
privilege register access)
- bugfixes and cleanups
PPC:
- improvements for the radix page fault handler for HV KVM on POWER9
s390:
- more kvm stat counters
- virtio gpu plumbing
- documentation
- facilities improvements
x86:
- support for VMware magic I/O port and pseudo-PMCs
- AMD pause loop exiting
- support for AMD core performance extensions
- support for synchronous register access
- expose nVMX capabilities to userspace
- support for Hyper-V signaling via eventfd
- use Enlightened VMCS when running on Hyper-V
- allow userspace to disable MWAIT/HLT/PAUSE vmexits
- usual roundup of optimizations and nested virtualization bugfixes
Generic:
- API selftest infrastructure (though the only tests are for x86 as of now)
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm updates from Paolo Bonzini:
"ARM:
- VHE optimizations
- EL2 address space randomization
- speculative execution mitigations ("variant 3a", aka execution past
invalid privilege register access)
- bugfixes and cleanups
PPC:
- improvements for the radix page fault handler for HV KVM on POWER9
s390:
- more kvm stat counters
- virtio gpu plumbing
- documentation
- facilities improvements
x86:
- support for VMware magic I/O port and pseudo-PMCs
- AMD pause loop exiting
- support for AMD core performance extensions
- support for synchronous register access
- expose nVMX capabilities to userspace
- support for Hyper-V signaling via eventfd
- use Enlightened VMCS when running on Hyper-V
- allow userspace to disable MWAIT/HLT/PAUSE vmexits
- usual roundup of optimizations and nested virtualization bugfixes
Generic:
- API selftest infrastructure (though the only tests are for x86 as
of now)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (174 commits)
kvm: x86: fix a prototype warning
kvm: selftests: add sync_regs_test
kvm: selftests: add API testing infrastructure
kvm: x86: fix a compile warning
KVM: X86: Add Force Emulation Prefix for "emulate the next instruction"
KVM: X86: Introduce handle_ud()
KVM: vmx: unify adjacent #ifdefs
x86: kvm: hide the unused 'cpu' variable
KVM: VMX: remove bogus WARN_ON in handle_ept_misconfig
Revert "KVM: X86: Fix SMRAM accessing even if VM is shutdown"
kvm: Add emulation for movups/movupd
KVM: VMX: raise internal error for exception during invalid protected mode state
KVM: nVMX: Optimization: Dont set KVM_REQ_EVENT when VMExit with nested_run_pending
KVM: nVMX: Require immediate-exit when event reinjected to L2 and L1 event pending
KVM: x86: Fix misleading comments on handling pending exceptions
KVM: x86: Rename interrupt.pending to interrupt.injected
KVM: VMX: No need to clear pending NMI/interrupt on inject realmode interrupt
x86/kvm: use Enlightened VMCS when running on Hyper-V
x86/hyper-v: detect nested features
x86/hyper-v: define struct hv_enlightened_vmcs and clean field bits
...
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Linus Torvalds
|
f8cf2f16a7 |
Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull integrity updates from James Morris:
"A mixture of bug fixes, code cleanup, and continues to close
IMA-measurement, IMA-appraisal, and IMA-audit gaps.
Also note the addition of a new cred_getsecid LSM hook by Matthew
Garrett:
For IMA purposes, we want to be able to obtain the prepared secid
in the bprm structure before the credentials are committed. Add a
cred_getsecid hook that makes this possible.
which is used by a new CREDS_CHECK target in IMA:
In ima_bprm_check(), check with both the existing process
credentials and the credentials that will be committed when the new
process is started. This will not change behaviour unless the
system policy is extended to include CREDS_CHECK targets -
BPRM_CHECK will continue to check the same credentials that it did
previously"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
ima: Fallback to the builtin hash algorithm
ima: Add smackfs to the default appraise/measure list
evm: check for remount ro in progress before writing
ima: Improvements in ima_appraise_measurement()
ima: Simplify ima_eventsig_init()
integrity: Remove unused macro IMA_ACTION_RULE_FLAGS
ima: drop vla in ima_audit_measurement()
ima: Fix Kconfig to select TPM 2.0 CRB interface
evm: Constify *integrity_status_msg[]
evm: Move evm_hmac and evm_hash from evm_main.c to evm_crypto.c
fuse: define the filesystem as untrusted
ima: fail signature verification based on policy
ima: clear IMA_HASH
ima: re-evaluate files on privileged mounted filesystems
ima: fail file signature verification on non-init mounted filesystems
IMA: Support using new creds in appraisal policy
security: Add a cred_getsecid hook
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Linus Torvalds
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3c0d551e02 |
pci-v4.17-changes
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R. Silva) - remove last user of pci_get_bus_and_slot() and the function itself (Sinan Kaya) - add decoding for 16 GT/s link speed (Jay Fang) - add interfaces to get max link speed and width (Tal Gilboa) - add pcie_bandwidth_capable() to compute max supported link bandwidth (Tal Gilboa) - add pcie_bandwidth_available() to compute bandwidth available to device (Tal Gilboa) - add pcie_print_link_status() to log link speed and whether it's limited (Tal Gilboa) - use PCI core interfaces to report when device performance may be limited by its slot instead of doing it in each driver (Tal Gilboa) - fix possible cpqphp NULL pointer dereference (Shawn Lin) - rescan more of the hierarchy on ACPI hotplug to fix Thunderbolt/xHCI hotplug (Mika Westerberg) - add support for PCI I/O port space that's neither directly accessible via CPU in/out instructions nor directly mapped into CPU physical memory space. This is fairly intrusive and includes minor changes to interfaces used for I/O space on most platforms (Zhichang Yuan, John Garry) - add support for HiSilicon Hip06/Hip07 LPC I/O space (Zhichang Yuan, John Garry) - use PCI_EXP_DEVCTL2_COMP_TIMEOUT in rapidio/tsi721 (Bjorn Helgaas) - remove possible NULL pointer dereference in of_pci_bus_find_domain_nr() (Shawn Lin) - report quirk timings with dev_info (Bjorn Helgaas) - report quirks that take longer than 10ms (Bjorn Helgaas) - add and use Altera Vendor ID (Johannes Thumshirn) - tidy Makefiles and comments (Bjorn Helgaas) - don't set up INTx if MSI or MSI-X is enabled to align cris, frv, ia64, and mn10300 with x86 (Bjorn Helgaas) - move pcieport_if.h to drivers/pci/pcie/ to encapsulate it (Frederick Lawler) - merge pcieport_if.h into portdrv.h (Bjorn Helgaas) - move workaround for BIOS PME issue from portdrv to PCI core (Bjorn Helgaas) - completely disable portdrv with "pcie_ports=compat" (Bjorn Helgaas) - remove portdrv link order dependency (Bjorn Helgaas) - remove support for unused VC portdrv service (Bjorn Helgaas) - simplify portdrv feature permission checking (Bjorn Helgaas) - remove "pcie_hp=nomsi" parameter (use "pci=nomsi" instead) (Bjorn Helgaas) - remove unnecessary "pcie_ports=auto" parameter (Bjorn Helgaas) - use cached AER capability offset (Frederick Lawler) - don't enable DPC if BIOS hasn't granted AER control (Mika Westerberg) - rename pcie-dpc.c to dpc.c (Bjorn Helgaas) - use generic pci_mmap_resource_range() instead of powerpc and xtensa arch-specific versions (David Woodhouse) - support arbitrary PCI host bridge offsets on sparc (Yinghai Lu) - remove System and Video ROM reservations on sparc (Bjorn Helgaas) - probe for device reset support during enumeration instead of runtime (Bjorn Helgaas) - add ACS quirk for Ampere (née APM) root ports (Feng Kan) - add function 1 DMA alias quirk for Marvell 88SE9220 (Thomas Vincent-Cross) - protect device restore with device lock (Sinan Kaya) - handle failure of FLR gracefully (Sinan Kaya) - handle CRS (config retry status) after device resets (Sinan Kaya) - skip various config reads for SR-IOV VFs as an optimization (KarimAllah Ahmed) - consolidate VPD code in vpd.c (Bjorn Helgaas) - add Tegra dependency on PCI_MSI_IRQ_DOMAIN (Arnd Bergmann) - add DT support for R-Car r8a7743 (Biju Das) - fix a PCI_EJECT vs PCI_BUS_RELATIONS race condition in Hyper-V host bridge driver that causes a general protection fault (Dexuan Cui) - fix Hyper-V host bridge hang in MSI setup on 1-vCPU VMs with SR-IOV (Dexuan Cui) - fix Hyper-V host bridge hang when ejecting a VF before setting up MSI (Dexuan Cui) - make several structures static (Fengguang Wu) - increase number of MSI IRQs supported by Synopsys DesignWare bridges from 32 to 256 (Gustavo Pimentel) - implemented multiplexed IRQ domain API and remove obsolete MSI IRQ API from DesignWare drivers (Gustavo Pimentel) - add Tegra power management support (Manikanta Maddireddy) - add Tegra loadable module support (Manikanta Maddireddy) - handle 64-bit BARs correctly in endpoint support (Niklas Cassel) - support optional regulator for HiSilicon STB (Shawn Guo) - use regulator bulk API for Qualcomm apq8064 (Srinivas Kandagatla) - support power supplies for Qualcomm msm8996 (Srinivas Kandagatla) * tag 'pci-v4.17-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (123 commits) MAINTAINERS: Add John Garry as maintainer for HiSilicon LPC driver HISI LPC: Add ACPI support ACPI / scan: Do not enumerate Indirect IO host children ACPI / scan: Rename acpi_is_serial_bus_slave() for more general use HISI LPC: Support the LPC host on Hip06/Hip07 with DT bindings of: Add missing I/O range exception for indirect-IO devices PCI: Apply the new generic I/O management on PCI IO hosts PCI: Add fwnode handler as input param of pci_register_io_range() PCI: Remove __weak tag from pci_register_io_range() MAINTAINERS: Add missing /drivers/pci/cadence directory entry fm10k: Report PCIe link properties with pcie_print_link_status() net/mlx5e: Use pcie_bandwidth_available() to compute bandwidth net/mlx5: Report PCIe link properties with pcie_print_link_status() net/mlx4_core: Report PCIe link properties with pcie_print_link_status() PCI: Add pcie_print_link_status() to log link speed and whether it's limited PCI: Add pcie_bandwidth_available() to compute bandwidth available to device misc: pci_endpoint_test: Handle 64-bit BARs properly PCI: designware-ep: Make dw_pcie_ep_reset_bar() handle 64-bit BARs properly PCI: endpoint: Make sure that BAR_5 does not have 64-bit flag set when clearing PCI: endpoint: Make epc->ops->clear_bar()/pci_epc_clear_bar() take struct *epf_bar ... |
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Linus Torvalds
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6ad11bdd57 |
audit/stable-4.17 PR 20180403
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Merge tag 'audit-pr-20180403' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore:
"We didn't have anything to send for v4.16, but we're back with a
little more than usual for v4.17.
Eleven patches in total, most fall into the small fix category, but
there are three non-trivial changes worth calling out:
- the audit entry filter is being removed after deprecating it for
quite a while (years of no one really using it because it turns out
to be not very practical)
- created our own version of "__mutex_owner()" because the locking
folks were upset we were using theirs
- improved our handling of kernel command line parameters to make
them more forgiving
- we fixed auditing of symlink operations
Everything passes the audit-testsuite and as of a few minutes ago it
merges well with your tree"
* tag 'audit-pr-20180403' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit:
audit: add refused symlink to audit_names
audit: remove path param from link denied function
audit: link denied should not directly generate PATH record
audit: make ANOM_LINK obey audit_enabled and audit_dummy_context
audit: do not panic on invalid boot parameter
audit: track the owner of the command mutex ourselves
audit: return on memory error to avoid null pointer dereference
audit: bail before bug check if audit disabled
audit: deprecate the AUDIT_FILTER_ENTRY filter
audit: session ID should not set arch quick field pointer
audit: update bugtracker and source URIs
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Linus Torvalds
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3b54765cca |
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton: - a few misc things - ocfs2 updates - the v9fs maintainers have been missing for a long time. I've taken over v9fs patch slinging. - most of MM * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (116 commits) mm,oom_reaper: check for MMF_OOM_SKIP before complaining mm/ksm: fix interaction with THP mm/memblock.c: cast constant ULLONG_MAX to phys_addr_t headers: untangle kmemleak.h from mm.h include/linux/mmdebug.h: make VM_WARN* non-rvals mm/page_isolation.c: make start_isolate_page_range() fail if already isolated mm: change return type to vm_fault_t mm, oom: remove 3% bonus for CAP_SYS_ADMIN processes mm, page_alloc: wakeup kcompactd even if kswapd cannot free more memory kernel/fork.c: detect early free of a live mm mm: make counting of list_lru_one::nr_items lockless mm/swap_state.c: make bool enable_vma_readahead and swap_vma_readahead() static block_invalidatepage(): only release page if the full page was invalidated mm: kernel-doc: add missing parameter descriptions mm/swap.c: remove @cold parameter description for release_pages() mm/nommu: remove description of alloc_vm_area zram: drop max_zpage_size and use zs_huge_class_size() zsmalloc: introduce zs_huge_class_size() mm: fix races between swapoff and flush dcache fs/direct-io.c: minor cleanups in do_blockdev_direct_IO ... |
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David Rientjes
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a5c6d65093 |
mm, page_alloc: extend kernelcore and movablecore for percent
Both kernelcore= and movablecore= can be used to define the amount of ZONE_NORMAL and ZONE_MOVABLE on a system, respectively. This requires the system memory capacity to be known when specifying the command line, however. This introduces the ability to define both kernelcore= and movablecore= as a percentage of total system memory. This is convenient for systems software that wants to define the amount of ZONE_MOVABLE, for example, as a proportion of a system's memory rather than a hardcoded byte value. To define the percentage, the final character of the parameter should be a '%'. mhocko: "why is anyone using these options nowadays?" rientjes: : : Fragmentation of non-__GFP_MOVABLE pages due to low on memory : situations can pollute most pageblocks on the system, as much as 1GB of : slab being fragmented over 128GB of memory, for example. When the : amount of kernel memory is well bounded for certain systems, it is : better to aggressively reclaim from existing MIGRATE_UNMOVABLE : pageblocks rather than eagerly fallback to others. : : We have additional patches that help with this fragmentation if you're : interested, specifically kcompactd compaction of MIGRATE_UNMOVABLE : pageblocks triggered by fallback of non-__GFP_MOVABLE allocations and : draining of pcp lists back to the zone free area to prevent stranding. [rientjes@google.com: updates] Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1802131700160.71590@chino.kir.corp.google.com Link: http://lkml.kernel.org/r/alpine.DEB.2.10.1802121622470.179479@chino.kir.corp.google.com Signed-off-by: David Rientjes <rientjes@google.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Mel Gorman <mgorman@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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e8403b493f |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina: - 3rd generation Wacom Intuos BT device support from Aaron Armstrong Skomra - support for NSG-MR5U and NSG-MR7U devices from Todd Kelner - multitouch Razer Blade Stealth support from Benjamin Tissoires - Elantech touchpad support from Alexandrov Stansilav - a few other scattered-around fixes and cleanups to drivers and generic code * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: (31 commits) HID: google: Enable PM Full On mode when adjusting backlight HID: google: add google hammer HID driver HID: core: reset the quirks before calling probe again HID: multitouch: do not set HID_QUIRK_NO_INIT_REPORTS HID: core: remove the need for HID_QUIRK_NO_EMPTY_INPUT HID: use BIT() macro for quirks too HID: use BIT macro instead of plain integers for flags HID: multitouch: remove dead zones of Razer Blade Stealth HID: multitouch: export a quirk for the button handling of touchpads HID: usbhid: extend the polling interval configuration to keyboards HID: ntrig: document sysfs interface HID: wacom: wacom_wac_collection() is local to wacom_wac.c HID: wacom: generic: add the "Report Valid" usage HID: wacom: generic: Support multiple tools per report HID: wacom: Add support for 3rd generation Intuos BT HID: core: rewrite the hid-generic automatic unbind HID: sony: Add touchpad support for NSG-MR5U and NSG-MR7U remotes HID: hid-multitouch: Use true and false for boolean values HID: hid-ntrig: use true and false for boolean values HID: logitech-hidpp: document sysfs interface ... |
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Linus Torvalds
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06dd3dfeea |
Char/Misc patches for 4.17-rc1
Here is the big set of char/misc driver patches for 4.17-rc1.
There are a lot of little things in here, nothing huge, but all
important to the different hardware types involved:
- thunderbolt driver updates
- parport updates (people still care...)
- nvmem driver updates
- mei updates (as always)
- hwtracing driver updates
- hyperv driver updates
- extcon driver updates
- and a handfull of even smaller driver subsystem and individual
driver updates
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc updates from Greg KH:
"Here is the big set of char/misc driver patches for 4.17-rc1.
There are a lot of little things in here, nothing huge, but all
important to the different hardware types involved:
- thunderbolt driver updates
- parport updates (people still care...)
- nvmem driver updates
- mei updates (as always)
- hwtracing driver updates
- hyperv driver updates
- extcon driver updates
- ... and a handful of even smaller driver subsystem and individual
driver updates
All of these have been in linux-next with no reported issues"
* tag 'char-misc-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (149 commits)
hwtracing: Add HW tracing support menu
intel_th: Add ACPI glue layer
intel_th: Allow forcing host mode through drvdata
intel_th: Pick up irq number from resources
intel_th: Don't touch switch routing in host mode
intel_th: Use correct method of finding hub
intel_th: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate
stm class: Make dummy's master/channel ranges configurable
stm class: Add SPDX GPL-2.0 header to replace GPLv2 boilerplate
MAINTAINERS: Bestow upon myself the care for drivers/hwtracing
hv: add SPDX license id to Kconfig
hv: add SPDX license to trace
Drivers: hv: vmbus: do not mark HV_PCIE as perf_device
Drivers: hv: vmbus: respect what we get from hv_get_synint_state()
/dev/mem: Avoid overwriting "err" in read_mem()
eeprom: at24: use SPDX identifier instead of GPL boiler-plate
eeprom: at24: simplify the i2c functionality checking
eeprom: at24: fix a line break
eeprom: at24: tweak newlines
eeprom: at24: refactor at24_probe()
...
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||
|
Linus Torvalds
|
ac9053d2dc |
USB/PHY patches for 4.17-rc1
Here is the big set of USB and PHY driver patches for 4.17-rc1. Lots of USB typeC work happened this round, with code moving from the staging directory into the "real" part of the kernel, as well as new infrastructure being added to be able to handle the different types of "roles" that typeC requires. There is also the normal huge set of USB gadget controller and driver updates, along with XHCI changes, and a raft of other tiny fixes all over the USB tree. And the PHY driver updates are merged in here as well as they interacted with the USB drivers in some places. All of these have been in linux-next for a while with no reported issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> -----BEGIN PGP SIGNATURE----- iG0EABECAC0WIQT0tgzFv3jCIUoxPcsxR9QN2y37KQUCWsSpJw8cZ3JlZ0Brcm9h aC5jb20ACgkQMUfUDdst+ylGawCdED2xS3HUxOIqfh81d8B1py8ji04AoJXdLAsH JgwXbdbibZBabYTVi5s5 =LrRH -----END PGP SIGNATURE----- Merge tag 'usb-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB/PHY updates from Greg KH: "Here is the big set of USB and PHY driver patches for 4.17-rc1. Lots of USB typeC work happened this round, with code moving from the staging directory into the "real" part of the kernel, as well as new infrastructure being added to be able to handle the different types of "roles" that typeC requires. There is also the normal huge set of USB gadget controller and driver updates, along with XHCI changes, and a raft of other tiny fixes all over the USB tree. And the PHY driver updates are merged in here as well as they interacted with the USB drivers in some places. All of these have been in linux-next for a while with no reported issues" * tag 'usb-4.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (250 commits) Revert "USB: serial: ftdi_sio: add Id for Physik Instrumente E-870" usb: musb: gadget: misplaced out of bounds check usb: chipidea: imx: Fix ULPI on imx53 usb: chipidea: imx: Cleanup ci_hdrc_imx_platform_flag usb: chipidea: usbmisc: small clean up usb: chipidea: usbmisc: evdo can be set e/o reset usb: chipidea: usbmisc: evdo is only specific to OTG port USB: serial: ftdi_sio: add Id for Physik Instrumente E-870 usb: dwc3: gadget: never call ->complete() from ->ep_queue() usb: gadget: udc: core: update usb_ep_queue() documentation usb: host: Remove the deprecated ATH79 USB host config options usb: roles: Fix return value check in intel_xhci_usb_probe() USB: gadget: f_midi: fixing a possible double-free in f_midi usb: core: Add USB_QUIRK_DELAY_CTRL_MSG to usbcore quirks usb: core: Copy parameter string correctly and remove superfluous null check USB: announce bcdDevice as well as idVendor, idProduct. USB:fix USB3 devices behind USB3 hubs not resuming at hibernate thaw usb: hub: Reduce warning to notice on power loss USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator USB: serial: cp210x: add ELDAT Easywave RX09 id ... |
||
|
Linus Torvalds
|
5b1f3dc927 |
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 usual pile of boring changes:
- Consolidate tasklet functions to share code instead of duplicating
it
- The first step for making the low level entry handler management on
multi-platform kernels generic
- A new sysfs file which allows to retrieve the wakeup state of
interrupts.
- Ensure that the interrupt thread follows the effective affinity and
not the programmed affinity to avoid cross core wakeups.
- Two new interrupt controller drivers (Microsemi Ocelot and Qualcomm
PDC)
- Fix the wakeup path clock handling for Reneasas interrupt chips.
- Rework the boot time register reset for ARM GIC-V2/3
- Better suspend/resume support for ARM GIV-V3/ITS
- Add missing locking to the ARM GIC set_type() callback
- Small fixes for the irq simulator code
- SPDX identifiers for the irq core code and removal of boiler plate
- Small cleanups all over the place"
* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
openrisc: Set CONFIG_MULTI_IRQ_HANDLER
arm64: Set CONFIG_MULTI_IRQ_HANDLER
genirq: Make GENERIC_IRQ_MULTI_HANDLER depend on !MULTI_IRQ_HANDLER
irqchip/gic: Take lock when updating irq type
irqchip/gic: Update supports_deactivate static key to modern api
irqchip/gic-v3: Ensure GICR_CTLR.EnableLPI=0 is observed before enabling
irqchip: Add a driver for the Microsemi Ocelot controller
dt-bindings: interrupt-controller: Add binding for the Microsemi Ocelot interrupt controller
irqchip/gic-v3: Probe for SCR_EL3 being clear before resetting AP0Rn
irqchip/gic-v3: Don't try to reset AP0Rn
irqchip/gic-v3: Do not check trigger configuration of partitionned LPIs
genirq: Remove license boilerplate/references
genirq: Add missing SPDX identifiers
genirq/matrix: Cleanup SPDX identifier
genirq: Cleanup top of file comments
genirq: Pass desc to __irq_free instead of irq number
irqchip/gic-v3: Loudly complain about the use of IRQ_TYPE_NONE
irqchip/gic: Loudly complain about the use of IRQ_TYPE_NONE
RISC-V: Move to the new GENERIC_IRQ_MULTI_HANDLER handler
genirq: Add CONFIG_GENERIC_IRQ_MULTI_HANDLER
...
|
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Linus Torvalds
|
bb2407a721 |
There's been a fair amount of activity in Documentation/ this time around:
- Lots of work aligning Documentation/ABI with reality, done by Aishwarya
Pant.
- The trace documentation has been converted to RST by Changbin Du
- I thrashed up kernel-doc to deal with a parsing issue and to try to make
the code more readable. It's still a 20+-year-old Perl hack, though.
- Lots of other updates, typo fixes, and more.
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Merge tag 'docs-4.17' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"There's been a fair amount of activity in Documentation/ this time
around:
- Lots of work aligning Documentation/ABI with reality, done by
Aishwarya Pant.
- The trace documentation has been converted to RST by Changbin Du
- I thrashed up kernel-doc to deal with a parsing issue and to try to
make the code more readable. It's still a 20+-year-old Perl hack,
though.
- Lots of other updates, typo fixes, and more"
* tag 'docs-4.17' of git://git.lwn.net/linux: (82 commits)
Documentation/process: update FUSE project website
docs: kernel-doc: fix parsing of arrays
dmaengine: Fix spelling for parenthesis in dmatest documentation
dmaengine: Make dmatest.rst indeed reST compatible
dmaengine: Add note to dmatest documentation about supported channels
Documentation: magic-numbers: Fix typo
Documentation: admin-guide: add kvmconfig, xenconfig and tinyconfig commands
Input: alps - Update documentation for trackstick v3 format
Documentation: Mention why %p prints ptrval
COPYING: use the new text with points to the license files
COPYING: create a new file with points to the Kernel license files
Input: trackpoint: document sysfs interface
xfs: Change URL for the project in xfs.txt
char/bsr: add sysfs interface documentation
acpi: nfit: document sysfs interface
block: rbd: update sysfs interface
Documentation/sparse: fix typo
Documentation/CodingStyle: Add an example for braces
docs/vm: update 00-INDEX
kernel-doc: Remove __sched markings
...
|
||
|
Linus Torvalds
|
f5a8eb632b |
arch: remove obsolete architecture ports
This removes the entire architecture code for blackfin, cris, frv, m32r, metag, mn10300, score, and tile, including the associated device drivers. I have been working with the (former) maintainers for each one to ensure that my interpretation was right and the code is definitely unused in mainline kernels. Many had fond memories of working on the respective ports to start with and getting them included in upstream, but also saw no point in keeping the port alive without any users. In the end, it seems that while the eight architectures are extremely different, they all suffered the same fate: There was one company in charge of an SoC line, a CPU microarchitecture and a software ecosystem, which was more costly than licensing newer off-the-shelf CPU cores from a third party (typically ARM, MIPS, or RISC-V). It seems that all the SoC product lines are still around, but have not used the custom CPU architectures for several years at this point. In contrast, CPU instruction sets that remain popular and have actively maintained kernel ports tend to all be used across multiple licensees. The removal came out of a discussion that is now documented at https://lwn.net/Articles/748074/. Unlike the original plans, I'm not marking any ports as deprecated but remove them all at once after I made sure that they are all unused. Some architectures (notably tile, mn10300, and blackfin) are still being shipped in products with old kernels, but those products will never be updated to newer kernel releases. After this series, we still have a few architectures without mainline gcc support: - unicore32 and hexagon both have very outdated gcc releases, but the maintainers promised to work on providing something newer. At least in case of hexagon, this will only be llvm, not gcc. - openrisc, risc-v and nds32 are still in the process of finishing their support or getting it added to mainline gcc in the first place. They all have patched gcc-7.3 ports that work to some degree, but complete upstream support won't happen before gcc-8.1. Csky posted their first kernel patch set last week, their situation will be similar. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJawdL2AAoJEGCrR//JCVInuH0P/RJAZh1nTD+TR34ZhJq2TBoo PgygwDU7Z2+tQVU+EZ453Gywz9/NMRFk1RWAZqrLix4ZtyIMvC6A1qfT2yH1Y7Fb Qh6tccQeLe4ezq5u4S/46R/fQXu3Txr92yVwzJJUuPyU0arF9rv5MmI8e6p7L1en yb74kSEaCe+/eMlsEj1Cc1dgthDNXGKIURHkRsILoweysCpesjiTg4qDcL+yTibV FP2wjVbniKESMKS6qL71tiT5sexvLsLwMNcGiHPj94qCIQuI7DLhLdBVsL5Su6gI sbtgv0dsq4auRYAbQdMaH1hFvu6WptsuttIbOMnz2Yegi2z28H8uVXkbk2WVLbqG ZESUwutGh8MzOL2RJ4jyyQq5sfo++CRGlfKjr6ImZRv03dv0pe/W85062cK5cKNs cgDDJjGRorOXW7dyU6jG2gRqODOQBObIv3w5efdq5OgzOWlbI4EC+Y5u1Z0JF/76 pSwtGXA6YhwC+9LLAlnVTHG+yOwuLmAICgoKcTbzTVDKA2YQZG/cYuQfI5S1wD8e X6urPx3Md2GCwLXQ9mzKBzKZUpu/Tuhx0NvwF4qVxy6x1PELjn68zuP7abDHr46r 57/09ooVN+iXXnEGMtQVS/OPvYHSa2NgTSZz6Y86lCRbZmUOOlK31RDNlMvYNA+s 3iIVHovno/JuJnTOE8LY =fQ8z -----END PGP SIGNATURE----- Merge tag 'arch-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic Pul removal of obsolete architecture ports from Arnd Bergmann: "This removes the entire architecture code for blackfin, cris, frv, m32r, metag, mn10300, score, and tile, including the associated device drivers. I have been working with the (former) maintainers for each one to ensure that my interpretation was right and the code is definitely unused in mainline kernels. Many had fond memories of working on the respective ports to start with and getting them included in upstream, but also saw no point in keeping the port alive without any users. In the end, it seems that while the eight architectures are extremely different, they all suffered the same fate: There was one company in charge of an SoC line, a CPU microarchitecture and a software ecosystem, which was more costly than licensing newer off-the-shelf CPU cores from a third party (typically ARM, MIPS, or RISC-V). It seems that all the SoC product lines are still around, but have not used the custom CPU architectures for several years at this point. In contrast, CPU instruction sets that remain popular and have actively maintained kernel ports tend to all be used across multiple licensees. [ See the new nds32 port merged in the previous commit for the next generation of "one company in charge of an SoC line, a CPU microarchitecture and a software ecosystem" - Linus ] The removal came out of a discussion that is now documented at https://lwn.net/Articles/748074/. Unlike the original plans, I'm not marking any ports as deprecated but remove them all at once after I made sure that they are all unused. Some architectures (notably tile, mn10300, and blackfin) are still being shipped in products with old kernels, but those products will never be updated to newer kernel releases. After this series, we still have a few architectures without mainline gcc support: - unicore32 and hexagon both have very outdated gcc releases, but the maintainers promised to work on providing something newer. At least in case of hexagon, this will only be llvm, not gcc. - openrisc, risc-v and nds32 are still in the process of finishing their support or getting it added to mainline gcc in the first place. They all have patched gcc-7.3 ports that work to some degree, but complete upstream support won't happen before gcc-8.1. Csky posted their first kernel patch set last week, their situation will be similar [ Palmer Dabbelt points out that RISC-V support is in mainline gcc since gcc-7, although gcc-7.3.0 is the recommended minimum - Linus ]" This really says it all: 2498 files changed, 95 insertions(+), 467668 deletions(-) * tag 'arch-removal' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic: (74 commits) MAINTAINERS: UNICORE32: Change email account staging: iio: remove iio-trig-bfin-timer driver tty: hvc: remove tile driver tty: remove bfin_jtag_comm and hvc_bfin_jtag drivers serial: remove tile uart driver serial: remove m32r_sio driver serial: remove blackfin drivers serial: remove cris/etrax uart drivers usb: Remove Blackfin references in USB support usb: isp1362: remove blackfin arch glue usb: musb: remove blackfin port usb: host: remove tilegx platform glue pwm: remove pwm-bfin driver i2c: remove bfin-twi driver spi: remove blackfin related host drivers watchdog: remove bfin_wdt driver can: remove bfin_can driver mmc: remove bfin_sdh driver input: misc: remove blackfin rotary driver input: keyboard: remove bf54x driver ... |
||
|
Linus Torvalds
|
d22fff8141 |
Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 mm updates from Ingo Molnar: - Extend the memmap= boot parameter syntax to allow the redeclaration and dropping of existing ranges, and to support all e820 range types (Jan H. Schönherr) - Improve the W+X boot time security checks to remove false positive warnings on Xen (Jan Beulich) - Support booting as Xen PVH guest (Juergen Gross) - Improved 5-level paging (LA57) support, in particular it's possible now to have a single kernel image for both 4-level and 5-level hardware (Kirill A. Shutemov) - AMD hardware RAM encryption support (SME/SEV) fixes (Tom Lendacky) - Preparatory commits for hardware-encrypted RAM support on Intel CPUs. (Kirill A. Shutemov) - Improved Intel-MID support (Andy Shevchenko) - Show EFI page tables in page_tables debug files (Andy Lutomirski) - ... plus misc fixes and smaller cleanups * 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (56 commits) x86/cpu/tme: Fix spelling: "configuation" -> "configuration" x86/boot: Fix SEV boot failure from change to __PHYSICAL_MASK_SHIFT x86/mm: Update comment in detect_tme() regarding x86_phys_bits x86/mm/32: Remove unused node_memmap_size_bytes() & CONFIG_NEED_NODE_MEMMAP_SIZE logic x86/mm: Remove pointless checks in vmalloc_fault x86/platform/intel-mid: Add special handling for ACPI HW reduced platforms ACPI, x86/boot: Introduce the ->reduced_hw_early_init() ACPI callback ACPI, x86/boot: Split out acpi_generic_reduce_hw_init() and export x86/pconfig: Provide defines and helper to run MKTME_KEY_PROG leaf x86/pconfig: Detect PCONFIG targets x86/tme: Detect if TME and MKTME is activated by BIOS x86/boot/compressed/64: Handle 5-level paging boot if kernel is above 4G x86/boot/compressed/64: Use page table in trampoline memory x86/boot/compressed/64: Use stack from trampoline memory x86/boot/compressed/64: Make sure we have a 32-bit code segment x86/mm: Do not use paravirtualized calls in native_set_p4d() kdump, vmcoreinfo: Export pgtable_l5_enabled value x86/boot/compressed/64: Prepare new top-level page table for trampoline x86/boot/compressed/64: Set up trampoline memory x86/boot/compressed/64: Save and restore trampoline memory ... |
||
Bjorn Helgaas
|
4c0fd7648d |
PCI/portdrv: Remove unnecessary "pcie_ports=auto" parameter
The "pcie_ports=auto" parameter set pcie_ports_disabled and pcie_ports_auto to their compiled-in defaults, so specifying the parameter is the same as not using it at all. Remove the "pcie_ports=auto" parameter and update the documentation. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> |
||
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Bjorn Helgaas
|
1e447c57ae |
PCI/portdrv: Remove "pcie_hp=nomsi" kernel parameter
|
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Martin Kepplinger
|
52c37d410d |
Documentation: admin-guide: add kvmconfig, xenconfig and tinyconfig commands
Add kvmconfig, xenconfig and tinyconfig to the list of alternative configuration commands. Descriptions are directly taken from the Makefile. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
||
Arnd Bergmann
|
1ea5afd42a |
Documentation: arch-support: remove obsolete architectures
A number of architecture ports are obsolete and getting dropped, so we no longer want to track the respective features. We already removed the lines for metag and mn10300, this does the same edits for all the others. For the remaining 21 architectures, this shows how many are known to implement each given feature: 19 time/modern-timekeeping/arch-support.txt 19 time/clockevents/arch-support.txt 15 core/tracehook/arch-support.txt 14 core/generic-idle-thread/arch-support.txt 13 locking/lockdep/arch-support.txt 12 io/dma-api-debug/arch-support.txt 11 debug/kgdb/arch-support.txt 10 time/virt-cpuacct/arch-support.txt 9 debug/kretprobes/arch-support.txt 9 debug/kprobes/arch-support.txt 8 vm/THP/arch-support.txt 8 vm/pte_special/arch-support.txt 8 vm/numa-memblock/arch-support.txt 8 io/sg-chain/arch-support.txt 7 perf/kprobes-event/arch-support.txt 7 locking/rwsem-optimized/arch-support.txt 7 debug/gcov-profile-all/arch-support.txt 7 core/jump-labels/arch-support.txt 7 core/BPF-JIT/arch-support.txt 6 vm/ELF-ASLR/arch-support.txt 6 time/context-tracking/arch-support.txt 6 seccomp/seccomp-filter/arch-support.txt 6 debug/stackprotector/arch-support.txt 5 time/irq-time-acct/arch-support.txt 5 io/dma-contiguous/arch-support.txt 5 debug/uprobes/arch-support.txt 4 vm/ioremap_prot/arch-support.txt 4 time/arch-tick-broadcast/arch-support.txt 4 perf/perf-stackdump/arch-support.txt 4 perf/perf-regs/arch-support.txt 3 debug/KASAN/arch-support.txt 2 vm/PG_uncached/arch-support.txt 2 vm/huge-vmap/arch-support.txt 2 sched/numa-balancing/arch-support.txt 2 sched/membarrier-sync-core/arch-support.txt 2 locking/cmpxchg-local/arch-support.txt 2 debug/optprobes/arch-support.txt 2 debug/kprobes-on-ftrace/arch-support.txt 1 vm/TLB/arch-support.txt 1 locking/queued-spinlocks/arch-support.txt 1 locking/queued-rwlocks/arch-support.txt 1 debug/user-ret-profiler/arch-support.txt 0 lib/strncasecmp/arch-support.txt Note that the list does not include riscv or nds32 yet, these still need to be added. Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Kai-Heng Feng
|
4d8d5a392a |
usb: core: Add USB_QUIRK_DELAY_CTRL_MSG to usbcore quirks
There's a new quirk, USB_QUIRK_DELAY_CTRL_MSG. Add it to usbcore quirks for completeness. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Filip Alac
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2ddc8e2d2b |
HID: usbhid: extend the polling interval configuration to keyboards
For mouse and joystick devices user can change the polling interval via usbhid.mousepoll and usbhid.jspoll. Implement the same thing for keyboards, so user can reduce(or increase) input latency this way. This has been tested with a Cooler Master Devastator with kbpoll=32, resulting in delay between events of 32 ms(values were taken from evtest). Signed-off-by: Filip Alac <filipalac@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> |
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Mimi Zohar
|
9e67028e76 |
ima: fail signature verification based on policy
This patch addresses the fuse privileged mounted filesystems in environments which are unwilling to accept the risk of trusting the signature verification and want to always fail safe, but are for example using a pre-built kernel. This patch defines a new builtin policy named "fail_securely", which can be specified on the boot command line as an argument to "ima_policy=". Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Seth Forshee <seth.forshee@canonical.com> Cc: Dongsu Park <dongsu@kinvolk.io> Cc: Alban Crequy <alban@kinvolk.io> Acked-by: Serge Hallyn <serge@hallyn.com> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> |
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Kai-Heng Feng
|
027bd6cafd |
usb: core: Add "quirks" parameter for usbcore
Trying quirks in usbcore needs to rebuild the driver or the entire kernel if it's builtin. It can save a lot of time if usbcore has similar ability like "usbhid.quirks=" and "usb-storage.quirks=". Rename the original quirk detection function to "static" as we introduce this new "dynamic" function. Now users can use "usbcore.quirks=" as short term workaround before the next kernel release. Also, the quirk parameter can XOR the builtin quirks for debugging purpose. This is inspired by usbhid and usb-storage. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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Liran Alon
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c4ae60e4bb |
KVM: x86: Add module parameter for supporting VMware backdoor
Support access to VMware backdoor requires KVM to intercept #GP exceptions from guest which introduce slight performance hit. Therefore, control this support by module parameter. Note that module parameter is exported as it should be consumed by kvm_intel & kvm_amd to determine if they should intercept #GP or not. This commit doesn't change semantics. It is done as a preparation for future commits. Signed-off-by: Liran Alon <liran.alon@oracle.com> Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
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Arnd Bergmann
|
4ba66a9760 |
arch: remove blackfin port
The Analog Devices Blackfin port was added in 2007 and was rather active for a while, but all work on it has come to a standstill over time, as Analog have changed their product line-up. Aaron Wu confirmed that the architecture port is no longer relevant, and multiple people suggested removing blackfin independently because of some of its oddities like a non-working SMP port, and the amount of duplication between the chip variants, which cause extra work when doing cross-architecture changes. Link: https://docs.blackfin.uclinux.org/ Acked-by: Aaron Wu <Aaron.Wu@analog.com> Acked-by: Bryan Wu <cooloney@gmail.com> Cc: Steven Miao <realmz6@gmail.com> Cc: Mike Frysinger <vapier@chromium.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> |
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Marc Zyngier
|
f736d65df0 |
irqchip/gic-v3: Allow LPIs to be disabled from the command line
For most GICv3 implementations, enabling LPIs is a one way switch. Once they're on, there is no turning back, which completely kills kexec (pending tables will always be live, and we can't tell the secondary kernel where they are). This is really annoying if you plan to use Linux as a bootloader, as it pretty much guarantees that the secondary kernel won't be able to use MSIs, and may even see some memory corruption. Bad. A workaround for this unfortunate situation is to allow the kernel not to enable LPIs, even if the feature is present in the HW. This would allow Linux-as-a-bootloader to leave LPIs alone, and let the secondary kernel to do whatever it wants with them. Let's introduce a boolean "irqchip.gicv3_nolpi" command line option that serves that purpose. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> |
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Greg Kroah-Hartman
|
95713fb8aa |
Revert "usb: core: Add "quirks" parameter for usbcore"
This reverts commit
|
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Kai-Heng Feng
|
b27560e4d9 |
usb: core: Add "quirks" parameter for usbcore
Trying quirks in usbcore needs to rebuild the driver or the entire kernel if it's builtin. It can save a lot of time if usbcore has similar ability like "usbhid.quirks=" and "usb-storage.quirks=". Rename the original quirk detection function to "static" as we introduce this new "dynamic" function. Now users can use "usbcore.quirks=" as short term workaround before the next kernel release. Also, the quirk parameter can XOR the builtin quirks for debugging purpose. This is inspired by usbhid and usb-storage. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
Dave Hansen
|
7f5d465f4d |
docs: clarify security-bugs disclosure policy
I think we need to soften the language a bit. It might scare folks off, especially the: We prefer to fully disclose the bug as soon as possible. which is not really the case. Linus says: It's not full disclosure, it's not coordinated disclosure, and it's not "no disclosure". It's more like just "timely open fixes". I changed a bit of the wording in here, but mostly to remove the word "disclosure" since it seems to mean very specific things to people that we do not mean here. Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Kees Cook <keescook@chromium.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Alan Cox <gnomes@lxorguk.ukuu.org.uk> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
||
Mika Westerberg
|
6fc14e1a44 |
thunderbolt: Introduce USB only (SL4) security level
This new security level works so that it creates one PCIe tunnel to the connected Thunderbolt dock, removing PCIe links downstream of the dock. This leaves only the internal USB controller visible. Display Port tunnels are created normally. While there make sure security sysfs attribute returns "unknown" for any future security level. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> |
||
Greg Edwards
|
11dd266637 |
audit: do not panic on invalid boot parameter
If you pass in an invalid audit boot parameter value, e.g. "audit=off", the kernel panics very early in boot before the regular console is initialized. Unless you have earlyprintk enabled, there is no indication of what the problem is on the console. Convert the panic() calls to pr_err(), and leave auditing enabled if an invalid parameter value was passed in. Modify the parameter to also accept "on" or "off" as valid values, and update the documentation accordingly. Signed-off-by: Greg Edwards <gedwards@ddn.com> Signed-off-by: Paul Moore <paul@paul-moore.com> |
||
Jan H. Schönherr
|
ef61f8a340 |
x86/boot/e820: Implement a range manipulation operator
Add a more versatile memmap= operator, which -- in addition to all the things that were possible before -- allows you to: - redeclare existing ranges -- before, you were limited to adding ranges; - drop any range -- like a mem= for any location; - use any e820 memory type -- not just some predefined ones. The syntax is: memmap=<size>%<offset>-<oldtype>+<newtype> Size and offset work as usual. The "-<oldtype>" and "+<newtype>" are optional and their existence determine the behavior: The command works on the specified range of memory limited to type <oldtype> (if specified). This memory is then configured to show up as <newtype>. If <newtype> is not specified, the memory is removed from the e820 map. Signed-off-by: Jan H. Schönherr <jschoenh@amazon.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Andy Shevchenko <andy.shevchenko@gmail.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20180202231020.15608-1-jschoenh@amazon.de Signed-off-by: Ingo Molnar <mingo@kernel.org> |
||
Philipp Hahn
|
29b26ae470 |
doc: module-signing.rst: Fix reST formatting
Move the _if_ outside the verbatim string. Make key ring name as a verbatim string. Signed-off-by: Philipp Hahn <hahn@univention.de> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
||
|
Philipp Hahn
|
dddc7231b9 |
doc: Rename .system_keyring to .builtin_trusted_keys
Commit |
||
James Hogan
|
298910619d
|
docs: Remove metag docs
Now that arch/metag/ has been removed, remove Meta architecture specific documentation from the Documentation/ directory. Signed-off-by: James Hogan <jhogan@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: linux-metag@vger.kernel.org Cc: linux-doc@vger.kernel.org |
||
Frederic Weisbecker
|
083c6eeab2 |
sched/isolation: Update nohz documentation to explain tick offload
Update the documentation to reflect the 1Hz tick offload changes. Signed-off-by: Frederic Weisbecker <frederic@kernel.org> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Chris Metcalf <cmetcalf@mellanox.com> Cc: Christoph Lameter <cl@linux.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Luiz Capitulino <lcapitulino@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Rik van Riel <riel@redhat.com> Cc: Wanpeng Li <kernellwp@gmail.com> Link: http://lkml.kernel.org/r/1519186649-3242-8-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> |
||
|
Jonathan Neuschäfer
|
b57c847ca6 |
admin-guide: Fix list formatting in tained-kernels.html
Without this patch, the points 1-9 in the list are rendered as an HTML blockquote containing a list, causing them to be indented further than the rest of the list. While at it, also fix the quotation marks around G and P. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
||
|
Linus Torvalds
|
54ce685cae |
More ACPI updates for v4.16-rc1
- Update the ACPICA kernel code to upstream revision 20180105 including:
* Assorted fixes (Jung-uk Kim).
* Support for X32 ABI compilation (Anuj Mittal).
* Update of ACPICA copyrights to 2018 (Bob Moore).
- Prepare for future modifications to avoid executing the _STA control
method too early (Hans de Goede).
- Make the processor performance control library code ignore _PPC
notifications if they cannot be handled and fix up the C1 idle
state definition when it is used as a fallback state (Chen Yu,
Yazen Ghannam).
- Make it possible to use the SPCR table on x86 and to replace the
original IORT table with a new one from initrd (Prarit Bhargava,
Shunyong Yang).
- Add battery-related quirks for Asus UX360UA and UX410UAK and add
quirks for table parsing on Dell XPS 9570 and Precision M5530
(Kai Heng Feng).
- Address static checker warnings in the CPPC code (Gustavo Silva).
- Avoid printing a raw pointer to the kernel log in the smart
battery driver (Greg Kroah-Hartman).
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Merge tag 'acpi-part2-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These are mostly fixes and cleanups, a few new quirks, a couple of
updates related to the handling of ACPI tables and ACPICA copyrights
refreshment.
Specifics:
- Update the ACPICA kernel code to upstream revision 20180105
including:
* Assorted fixes (Jung-uk Kim)
* Support for X32 ABI compilation (Anuj Mittal)
* Update of ACPICA copyrights to 2018 (Bob Moore)
- Prepare for future modifications to avoid executing the _STA
control method too early (Hans de Goede)
- Make the processor performance control library code ignore _PPC
notifications if they cannot be handled and fix up the C1 idle
state definition when it is used as a fallback state (Chen Yu,
Yazen Ghannam)
- Make it possible to use the SPCR table on x86 and to replace the
original IORT table with a new one from initrd (Prarit Bhargava,
Shunyong Yang)
- Add battery-related quirks for Asus UX360UA and UX410UAK and add
quirks for table parsing on Dell XPS 9570 and Precision M5530 (Kai
Heng Feng)
- Address static checker warnings in the CPPC code (Gustavo Silva)
- Avoid printing a raw pointer to the kernel log in the smart battery
driver (Greg Kroah-Hartman)"
* tag 'acpi-part2-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: sbshc: remove raw pointer from printk() message
ACPI: SPCR: Make SPCR available to x86
ACPI / CPPC: Use 64-bit arithmetic instead of 32-bit
ACPI / tables: Add IORT to injectable table list
ACPI / bus: Parse tables as term_list for Dell XPS 9570 and Precision M5530
ACPICA: Update version to 20180105
ACPICA: All acpica: Update copyrights to 2018
ACPI / processor: Set default C1 idle state description
ACPI / battery: Add quirk for Asus UX360UA and UX410UAK
ACPI: processor_perflib: Do not send _PPC change notification if not ready
ACPI / scan: Use acpi_bus_get_status() to initialize ACPI_TYPE_DEVICE devs
ACPI / bus: Do not call _STA on battery devices with unmet dependencies
PCI: acpiphp_ibm: prepare for acpi_get_object_info() no longer returning status
ACPI: export acpi_bus_get_status_handle()
ACPICA: Add a missing pair of parentheses
ACPICA: Prefer ACPI_TO_POINTER() over ACPI_ADD_PTR()
ACPICA: Avoid NULL pointer arithmetic
ACPICA: Linux: add support for X32 ABI compilation
ACPI / video: Use true for boolean value
|
||
|
Linus Torvalds
|
e03ab6c4ad |
A few late-arriving fixes, along with Konstantin's PGP document that had
no reason to wait another cycle. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJaejsmAAoJEI3ONVYwIuV6iqIP/2vJ1GfaYwVKScGybqTAGFIj 5zAwjkd3LhYYYfx5DkEcpAqYllZS/jmj5th5095TxDlDrwfxNwMYBQUP7rYp6s6E IupSGq4z/n/6MseeXom6J7IxRaRBbERB7VLb0eAA8UOTis96kgnjuMRB3bCVHlfN 7VTo8uFm4/ZKKntSq4gl59FnVna4PkZU10TB0tWh617lyPkfJR8FkBcdBvlXbCYt 03LAkQ5F1XfVMM9gq6F3IGnmPCkIRbzMrXm1tXZNRYFkfu0bw3lN5um0DOLrq4Qw NTybo1W5hKf3LQLVJGIDpMzYkrp4GMrBLy6cNaK6V5vHHAmRew+zHBu93dSmzqE+ hT+Zih6FLXJV2Bc/GnwGiFFSHU44MBVO4DTACRTFAW19gnVaFZe51uCJ+gzwNkhk v4c4riGxRAVeZA6FoXXcjGxwjA2qmjMqcjiRHW2pxSHb1Oz+KwQHDd8muS/G0H/a CBCwlkfrJHPWVkrYRSuq912feIYMs9I/y/46lIhsowmFYBCF6g1SZ5xk1lggM+uo FJp/+m1vQvbWrkotFZjXiv/riWURKTQykSUHA9+cQcU/UIkjfx0YrmGkpfjaM2G8 QTPq1HU9iRLpXXYrKNnzLEPH4CUU+ffGD8Ou9migxrNQnSut/Dgsii0Eqr/AGNbW bChrYwjeT7OAvzW8A5ZZ =ffz4 -----END PGP SIGNATURE----- Merge tag 'docs-4.16-2' of git://git.lwn.net/linux Pull more documentation updates from Jonathan Corbet: "A few late-arriving fixes, along with Konstantin's PGP document that had no reason to wait another cycle" * tag 'docs-4.16-2' of git://git.lwn.net/linux: Documentation/process: tweak pgp maintainer guide Documentation/admin-guide: fixes for thunderbolt.rst Documentation: mips: Update AU1xxx_IDE Kconfig dependencies Fix broken link in Documentation/process/kernel-docs.rst Documentation/process: kernel maintainer PGP guide |
||
Prarit Bhargava
|
0231d00082 |
ACPI: SPCR: Make SPCR available to x86
SPCR is currently only enabled or ARM64 and x86 can use SPCR to setup an early console. General fixes include updating Documentation & Kconfig (for x86), updating comments, and changing parse_spcr() to acpi_parse_spcr(), and earlycon_init_is_deferred to earlycon_acpi_spcr_enable to be more descriptive. On x86, many systems have a valid SPCR table but the table version is not 2 so the table version check must be a warning. On ARM64 when the kernel parameter earlycon is used both the early console and console are enabled. On x86, only the earlycon should be enabled by by default. Modify acpi_parse_spcr() to allow options for initializing the early console and console separately. Signed-off-by: Prarit Bhargava <prarit@redhat.com> Acked-by: Ingo Molnar <mingo@kernel.org> Reviewed-by: Mark Salter <msalter@redhat.com> Tested-by: Mark Salter <msalter@redhat.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
||
|
Linus Torvalds
|
105cf3c8c6 |
pci-v4.16-changes
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAABAgAGBQJad5lgAAoJEFmIoMA60/r8s2kQAI3PztawDpaCP9Z12pkbBHSt Ho0xTyk9rCZi9kQJbNjc+a+QrlA3QmTHXIXerB3LSWoh7M+XhsECjem92eHpgLNS JvYPhTfOrCr0vdiAmOz6hD0AqN/psrbfzgiJhSwomsGEFS77k7kERSJckRv81sxb Aj5F/WjucAgLorwm4auveAJEQ7atE7/6pkXzoqYm4G6NLOb46jUcRGndrnvXZBlz fws8fBM4BHyi7i25CYQl24tFq1CGax1rIPgLg+4KnH76bQk/N6Ju0sGVSzfh+hG8 SIerK9bJbzGRAuNKoxB3aO1dyzsK3x9WztE2mG98w5trOISPIR1FqnvC/225FWAU d6eIXiC7wKnEx+DElNTzCjzfHc7SAJoupO32H7CoiTe5zPUlWlxJ1zLYkK1gt50q m8PRBiYTglxyznzrO0drtcdjEzvbdZNRrsYnul4wi1vSHzjk6F6XLtzT10XWM1M1 1pXLB8384FTj0Hu4bq6Y3Aivkmz0Sf+eQM2NaOwe+Zj7/1VV0d3lvi4LUXkqzLCA FoXPJSMxG2Qu+iflCeYRQBJjExaZH3eNLZ3dT6QpcJrjaFVedd9u5DeeFqNL27zV bhr8TdqrR4p4rc8EBAGoCapw96IxLZROKB3gxbrZVOpfIZpzthwHbElHX6aqUgF4 w/EV1JWs36WXWaxFk8wd =ttq9 -----END PGP SIGNATURE----- Merge tag 'pci-v4.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI updates from Bjorn Helgaas: - skip AER driver error recovery callbacks for correctable errors reported via ACPI APEI, as we already do for errors reported via the native path (Tyler Baicar) - fix DPC shared interrupt handling (Alex Williamson) - print full DPC interrupt number (Keith Busch) - enable DPC only if AER is available (Keith Busch) - simplify DPC code (Bjorn Helgaas) - calculate ASPM L1 substate parameter instead of hardcoding it (Bjorn Helgaas) - enable Latency Tolerance Reporting for ASPM L1 substates (Bjorn Helgaas) - move ASPM internal interfaces out of public header (Bjorn Helgaas) - allow hot-removal of VGA devices (Mika Westerberg) - speed up unplug and shutdown by assuming Thunderbolt controllers don't support Command Completed events (Lukas Wunner) - add AtomicOps support for GPU and Infiniband drivers (Felix Kuehling, Jay Cornwall) - expose "ari_enabled" in sysfs to help NIC naming (Stuart Hayes) - clean up PCI DMA interface usage (Christoph Hellwig) - remove PCI pool API (replaced with DMA pool) (Romain Perier) - deprecate pci_get_bus_and_slot(), which assumed PCI domain 0 (Sinan Kaya) - move DT PCI code from drivers/of/ to drivers/pci/ (Rob Herring) - add PCI-specific wrappers for dev_info(), etc (Frederick Lawler) - remove warnings on sysfs mmap failure (Bjorn Helgaas) - quiet ROM validation messages (Alex Deucher) - remove redundant memory alloc failure messages (Markus Elfring) - fill in types for compile-time VGA and other I/O port resources (Bjorn Helgaas) - make "pci=pcie_scan_all" work for Root Ports as well as Downstream Ports to help AmigaOne X1000 (Bjorn Helgaas) - add SPDX tags to all PCI files (Bjorn Helgaas) - quirk Marvell 9128 DMA aliases (Alex Williamson) - quirk broken INTx disable on Ceton InfiniTV4 (Bjorn Helgaas) - fix CONFIG_PCI=n build by adding dummy pci_irqd_intx_xlate() (Niklas Cassel) - use DMA API to get MSI address for DesignWare IP (Niklas Cassel) - fix endpoint-mode DMA mask configuration (Kishon Vijay Abraham I) - fix ARTPEC-6 incorrect IS_ERR() usage (Wei Yongjun) - add support for ARTPEC-7 SoC (Niklas Cassel) - add endpoint-mode support for ARTPEC (Niklas Cassel) - add Cadence PCIe host and endpoint controller driver (Cyrille Pitchen) - handle multiple INTx status bits being set in dra7xx (Vignesh R) - translate dra7xx hwirq range to fix INTD handling (Vignesh R) - remove deprecated Exynos PHY initialization code (Jaehoon Chung) - fix MSI erratum workaround for HiSilicon Hip06/Hip07 (Dongdong Liu) - fix NULL pointer dereference in iProc BCMA driver (Ray Jui) - fix Keystone interrupt-controller-node lookup (Johan Hovold) - constify qcom driver structures (Julia Lawall) - rework Tegra config space mapping to increase space available for endpoints (Vidya Sagar) - simplify Tegra driver by using bus->sysdata (Manikanta Maddireddy) - remove PCI_REASSIGN_ALL_BUS usage on Tegra (Manikanta Maddireddy) - add support for Global Fabric Manager Server (GFMS) event to Microsemi Switchtec switch driver (Logan Gunthorpe) - add IDs for Switchtec PSX 24xG3 and PSX 48xG3 (Kelvin Cao) * tag 'pci-v4.16-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (140 commits) PCI: cadence: Add EndPoint Controller driver for Cadence PCIe controller dt-bindings: PCI: cadence: Add DT bindings for Cadence PCIe endpoint controller PCI: endpoint: Fix EPF device name to support multi-function devices PCI: endpoint: Add the function number as argument to EPC ops PCI: cadence: Add host driver for Cadence PCIe controller dt-bindings: PCI: cadence: Add DT bindings for Cadence PCIe host controller PCI: Add vendor ID for Cadence PCI: Add generic function to probe PCI host controllers PCI: generic: fix missing call of pci_free_resource_list() PCI: OF: Add generic function to parse and allocate PCI resources PCI: Regroup all PCI related entries into drivers/pci/Makefile PCI/DPC: Reformat DPC register definitions PCI/DPC: Add and use DPC Status register field definitions PCI/DPC: Squash dpc_rp_pio_get_info() into dpc_process_rp_pio_error() PCI/DPC: Remove unnecessary RP PIO register structs PCI/DPC: Push dpc->rp_pio_status assignment into dpc_rp_pio_get_info() PCI/DPC: Squash dpc_rp_pio_print_error() into dpc_rp_pio_get_info() PCI/DPC: Make RP PIO log size check more generic PCI/DPC: Rename local "status" to "dpc_status" PCI/DPC: Squash dpc_rp_pio_print_tlp_header() into dpc_rp_pio_print_error() ... |
||
|
Linus Torvalds
|
35277995e1 |
Merge branch 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull spectre/meltdown updates from Thomas Gleixner:
"The next round of updates related to melted spectrum:
- The initial set of spectre V1 mitigations:
- Array index speculation blocker and its usage for syscall,
fdtable and the n180211 driver.
- Speculation barrier and its usage in user access functions
- Make indirect calls in KVM speculation safe
- Blacklisting of known to be broken microcodes so IPBP/IBSR are not
touched.
- The initial IBPB support and its usage in context switch
- The exposure of the new speculation MSRs to KVM guests.
- A fix for a regression in x86/32 related to the cpu entry area
- Proper whitelisting for known to be safe CPUs from the mitigations.
- objtool fixes to deal proper with retpolines and alternatives
- Exclude __init functions from retpolines which speeds up the boot
process.
- Removal of the syscall64 fast path and related cleanups and
simplifications
- Removal of the unpatched paravirt mode which is yet another source
of indirect unproteced calls.
- A new and undisputed version of the module mismatch warning
- A couple of cleanup and correctness fixes all over the place
Yet another step towards full mitigation. There are a few things still
missing like the RBS underflow mitigation for Skylake and other small
details, but that's being worked on.
That said, I'm taking a belated christmas vacation for a week and hope
that everything is magically solved when I'm back on Feb 12th"
* 'x86-pti-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (37 commits)
KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL
KVM/VMX: Allow direct access to MSR_IA32_SPEC_CTRL
KVM/VMX: Emulate MSR_IA32_ARCH_CAPABILITIES
KVM/x86: Add IBPB support
KVM/x86: Update the reverse_cpuid list to include CPUID_7_EDX
x86/speculation: Fix typo IBRS_ATT, which should be IBRS_ALL
x86/pti: Mark constant arrays as __initconst
x86/spectre: Simplify spectre_v2 command line parsing
x86/retpoline: Avoid retpolines for built-in __init functions
x86/kvm: Update spectre-v1 mitigation
KVM: VMX: make MSR bitmaps per-VCPU
x86/paravirt: Remove 'noreplace-paravirt' cmdline option
x86/speculation: Use Indirect Branch Prediction Barrier in context switch
x86/cpuid: Fix up "virtual" IBRS/IBPB/STIBP feature bits on Intel
x86/spectre: Fix spelling mistake: "vunerable"-> "vulnerable"
x86/spectre: Report get_user mitigation for spectre_v1
nl80211: Sanitize array index in parse_txq_params
vfs, fdtable: Prevent bounds-check bypass via speculative execution
x86/syscall: Sanitize syscall table de-references under speculation
x86/get_user: Use pointer masking to limit speculation
...
|
||
|
Linus Torvalds
|
ab486bc9a5 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk
Pull printk updates from Petr Mladek:
- Add a console_msg_format command line option:
The value "default" keeps the old "[time stamp] text\n" format. The
value "syslog" allows to see the syslog-like "<log
level>[timestamp] text" format.
This feature was requested by people doing regression tests, for
example, 0day robot. They want to have both filtered and full logs
at hands.
- Reduce the risk of softlockup:
Pass the console owner in a busy loop.
This is a new approach to the old problem. It was first proposed by
Steven Rostedt on Kernel Summit 2017. It marks a context in which
the console_lock owner calls console drivers and could not sleep.
On the other side, printk() callers could detect this state and use
a busy wait instead of a simple console_trylock(). Finally, the
console_lock owner checks if there is a busy waiter at the end of
the special context and eventually passes the console_lock to the
waiter.
The hand-off works surprisingly well and helps in many situations.
Well, there is still a possibility of the softlockup, for example,
when the flood of messages stops and the last owner still has too
much to flush.
There is increasing number of people having problems with
printk-related softlockups. We might eventually need to get better
solution. Anyway, this looks like a good start and promising
direction.
- Do not allow to schedule in console_unlock() called from printk():
This reverts an older controversial commit. The reschedule helped
to avoid softlockups. But it also slowed down the console output.
This patch is obsoleted by the new console waiter logic described
above. In fact, the reschedule made the hand-off less effective.
- Deprecate "%pf" and "%pF" format specifier:
It was needed on ia64, ppc64 and parisc64 to dereference function
descriptors and show the real function address. It is done
transparently by "%ps" and "pS" format specifier now.
Sergey Senozhatsky found that all the function descriptors were in
a special elf section and could be easily detected.
- Remove printk_symbol() API:
It has been obsoleted by "%pS" format specifier, and this change
helped to remove few continuous lines and a less intuitive old API.
- Remove redundant memsets:
Sergey removed unnecessary memset when processing printk.devkmsg
command line option.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk: (27 commits)
printk: drop redundant devkmsg_log_str memsets
printk: Never set console_may_schedule in console_trylock()
printk: Hide console waiter logic into helpers
printk: Add console owner and waiter logic to load balance console writes
kallsyms: remove print_symbol() function
checkpatch: add pF/pf deprecation warning
symbol lookup: introduce dereference_symbol_descriptor()
parisc64: Add .opd based function descriptor dereference
powerpc64: Add .opd based function descriptor dereference
ia64: Add .opd based function descriptor dereference
sections: split dereference_function_descriptor()
openrisc: Fix conflicting types for _exext and _stext
lib: do not use print_symbol()
irq debug: do not use print_symbol()
sysfs: do not use print_symbol()
drivers: do not use print_symbol()
x86: do not use print_symbol()
unicore32: do not use print_symbol()
sh: do not use print_symbol()
mn10300: do not use print_symbol()
...
|
||
Randy Dunlap
|
54e36a2dc5 |
Documentation/admin-guide: fixes for thunderbolt.rst
Edits for grammar, punctuation, and a doubled-up word. Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Cc: Andreas Noever <andreas.noever@gmail.com> Cc: Michael Jamet <michael.jamet@intel.com> Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Cc: Yehezkel Bernat <yehezkel.bernat@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> |
||
|
Linus Torvalds
|
562f36ed28 |
Kconfig updates for v4.16
A pretty big batch of Kconfig updates. I have to mention the lexer
and parser of Kconfig are now built from real .l and .y sources.
So, flex and bison are the requirement for building the kernel.
Both of them (unlike gperf) have been stable for a long time. This
change has been tested several weeks in linux-next, and I did not
receive any problem report about this.
Summary:
- Add checks for mistakes, like the choice default is not in
choice, help is doubled
- Document data structure and complex code
- Fix various memory leaks
- Change Makefile to build lexer and parser instead of using
pre-generated C files
- Drop 'boolean' keyword, which is equivalent to 'bool'
- Use default 'yy' prefix and remove unneeded Make variables
- Fix gettext() check for xconfig
- Announce that oldnoconfig will be finally removed
- Make 'Selected by:' and 'Implied by' readable in help and
search result
- Hide silentoldconfig from 'make help' to stop confusing people
- Fix misc things and cleanups
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Merge tag 'kconfig-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kconfig updates from Masahiro Yamada:
"A pretty big batch of Kconfig updates.
I have to mention the lexer and parser of Kconfig are now built from
real .l and .y sources. So, flex and bison are the requirement for
building the kernel. Both of them (unlike gperf) have been stable for
a long time. This change has been tested several weeks in linux-next,
and I did not receive any problem report about this.
Summary:
- add checks for mistakes, like the choice default is not in choice,
help is doubled
- document data structure and complex code
- fix various memory leaks
- change Makefile to build lexer and parser instead of using
pre-generated C files
- drop 'boolean' keyword, which is equivalent to 'bool'
- use default 'yy' prefix and remove unneeded Make variables
- fix gettext() check for xconfig
- announce that oldnoconfig will be finally removed
- make 'Selected by:' and 'Implied by' readable in help and search
result
- hide silentoldconfig from 'make help' to stop confusing people
- fix misc things and cleanups"
* tag 'kconfig-v4.16' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (37 commits)
kconfig: Remove silentoldconfig from help and docs; fix kconfig/conf's help
kconfig: make "Selected by:" and "Implied by:" readable
kconfig: announce removal of oldnoconfig if used
kconfig: fix make xconfig when gettext is missing
kconfig: Clarify menu and 'if' dependency propagation
kconfig: Document 'if' flattening logic
kconfig: Clarify choice dependency propagation
kconfig: Document SYMBOL_OPTIONAL logic
kbuild: remove unnecessary LEX_PREFIX and YACC_PREFIX
kconfig: use default 'yy' prefix for lexer and parser
kconfig: make conf_unsaved a local variable of conf_read()
kconfig: make xfgets() really static
kconfig: make input_mode static
kconfig: Warn if there is more than one help text
kconfig: drop 'boolean' keyword
kconfig: use bool instead of boolean for type definition attributes, again
kconfig: Remove menu_end_entry()
kconfig: Document important expression functions
kconfig: Document automatic submenu creation code
kconfig: Fix choice symbol expression leak
...
|
||
|
Linus Torvalds
|
255442c938 |
Documentation updates for 4.16. New stuff includes refcount_t
documentation, errseq documentation, kernel-doc support for nested structure definitions, the removal of lots of crufty kernel-doc support for unused formats, SPDX tag documentation, the beginnings of a manual for subsystem maintainers, and lots of fixes and updates. As usual, some of the changesets reach outside of Documentation/ to effect kerneldoc comment fixes. It also adds the new LICENSES directory, of which Thomas promises I do not need to be the maintainer. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJab11TAAoJEI3ONVYwIuV6i1UP/1LgGPHW9Ygq5qaLFbReZd/u Mx/orrhHX0PdkbCCE+CbL8Vm1m4UKFDTBdlpk3s542zxeeG0ZBXuTnvq4Kyk+cTN p4/vsIEzk/Ih13/glGE5MlV+EjiEK+8hK69TIUj7bAyuHmpzofjRz9/1M6RLDGDC HY6UI58AXG0yOQWMWCGRMYpQAFUGij2equ7Doe1ugXRq14dx7V4RsOhI140iRk7t bquAq1rS2fXniiuPFmLBUe4dWW28isVa/Vl/aXcaWQDKMyT0OLhjOMW36wWKqtPi WdVCpHv1NLZNyZZr9S3kvfOwW+BUqpEzfVwssyBLW4h0tsnIx0U0HVhSTY8/TvFZ QD9yCSana4LB/e5CHXIX5lBHbjHxf+rETXqVV4MgwDaMvM3mCo4X6WUTJDmZADo6 vQISEKeb4su5uWAbc9T9xwRSLhZnFVdJ/QuYdNQ5+EpFJYLhzQ9eBvEz6JstSIXL p9ASBiPNY3ulpVZ8q0JOHJRBhq5mHJH6Dy8achzbILy2l/ZI4b8lJ53mw9II04cp puF96E6HpvuZ8Tgjjrg9U3ZdxXNrUgc/tjk2ZDkyTglk1XF2jKSq2tiNSZ3oLrJm XqJPnpCeyJM5UDvwkIBzgC41WEHwe8uvoNbUnc4X7UJSZegFzcSLQXf5qaprHS5k XeQ7sbd+S+jzVVjFi0W5 =Z15Z -----END PGP SIGNATURE----- Merge tag 'docs-4.16' of git://git.lwn.net/linux Pull documentation updates from Jonathan Corbet: "Documentation updates for 4.16. New stuff includes refcount_t documentation, errseq documentation, kernel-doc support for nested structure definitions, the removal of lots of crufty kernel-doc support for unused formats, SPDX tag documentation, the beginnings of a manual for subsystem maintainers, and lots of fixes and updates. As usual, some of the changesets reach outside of Documentation/ to effect kerneldoc comment fixes. It also adds the new LICENSES directory, of which Thomas promises I do not need to be the maintainer" * tag 'docs-4.16' of git://git.lwn.net/linux: (65 commits) linux-next: docs-rst: Fix typos in kfigure.py linux-next: DOC: HWPOISON: Fix path to debugfs in hwpoison.txt Documentation: Fix misconversion of #if docs: add index entry for networking/msg_zerocopy Documentation: security/credentials.rst: explain need to sort group_list LICENSES: Add MPL-1.1 license LICENSES: Add the GPL 1.0 license LICENSES: Add Linux syscall note exception LICENSES: Add the MIT license LICENSES: Add the BSD-3-clause "Clear" license LICENSES: Add the BSD 3-clause "New" or "Revised" License LICENSES: Add the BSD 2-clause "Simplified" license LICENSES: Add the LGPL-2.1 license LICENSES: Add the LGPL 2.0 license LICENSES: Add the GPL 2.0 license Documentation: Add license-rules.rst to describe how to properly identify file licenses scripts: kernel_doc: better handle show warnings logic fs/*/Kconfig: drop links to 404-compliant http://acl.bestbits.at doc: md: Fix a file name to md-fault.c in fault-injection.txt errseq: Add to documentation tree ... |
||
Josh Poimboeuf
|
12c69f1e94 |
x86/paravirt: Remove 'noreplace-paravirt' cmdline option
The 'noreplace-paravirt' option disables paravirt patching, leaving the original pv indirect calls in place. That's highly incompatible with retpolines, unless we want to uglify paravirt even further and convert the paravirt calls to retpolines. As far as I can tell, the option doesn't seem to be useful for much other than introducing surprising corner cases and making the kernel vulnerable to Spectre v2. It was probably a debug option from the early paravirt days. So just remove it. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Juergen Gross <jgross@suse.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ashok Raj <ashok.raj@intel.com> Cc: Greg KH <gregkh@linuxfoundation.org> Cc: Jun Nakajima <jun.nakajima@intel.com> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Asit Mallick <asit.k.mallick@intel.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Jason Baron <jbaron@akamai.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Alok Kataria <akataria@vmware.com> Cc: Arjan Van De Ven <arjan.van.de.ven@intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Dan Williams <dan.j.williams@intel.com> Link: https://lkml.kernel.org/r/20180131041333.2x6blhxirc2kclrq@treble |
||
|
Linus Torvalds
|
d772794637 |
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU updates from Ingo Molnar:
"The main RCU changes in this cycle were:
- Updates to use cond_resched() instead of cond_resched_rcu_qs()
where feasible (currently everywhere except in kernel/rcu and in
kernel/torture.c). Also a couple of fixes to avoid sending IPIs to
offline CPUs.
- Updates to simplify RCU's dyntick-idle handling.
- Updates to remove almost all uses of smp_read_barrier_depends() and
read_barrier_depends().
- Torture-test updates.
- Miscellaneous fixes"
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (72 commits)
torture: Save a line in stutter_wait(): while -> for
torture: Eliminate torture_runnable and perf_runnable
torture: Make stutter less vulnerable to compilers and races
locking/locktorture: Fix num reader/writer corner cases
locking/locktorture: Fix rwsem reader_delay
torture: Place all torture-test modules in one MAINTAINERS group
rcutorture/kvm-build.sh: Skip build directory check
rcutorture: Simplify functions.sh include path
rcutorture: Simplify logging
rcutorture/kvm-recheck-*: Improve result directory readability check
rcutorture/kvm.sh: Support execution from any directory
rcutorture/kvm.sh: Use consistent help text for --qemu-args
rcutorture/kvm.sh: Remove unused variable, `alldone`
rcutorture: Remove unused script, config2frag.sh
rcutorture/configinit: Fix build directory error message
rcutorture: Preempt RCU-preempt readers more vigorously
torture: Reduce #ifdefs for preempt_schedule()
rcu: Remove have_rcu_nocb_mask from tree_plugin.h
rcu: Add comment giving debug strategy for double call_rcu()
tracing, rcu: Hide trace event rcu_nocb_wake when not used
...
|
||
|
Linus Torvalds
|
f0b13428c9 |
Merge branch 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86/cache updates from Thomas Gleixner: "A set of patches which add support for L2 cache partitioning to the Intel RDT facility" * 'x86-cache-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/intel_rdt: Add command line parameter to control L2_CDP x86/intel_rdt: Enable L2 CDP in MSR IA32_L2_QOS_CFG x86/intel_rdt: Add two new resources for L2 Code and Data Prioritization (CDP) x86/intel_rdt: Enumerate L2 Code and Data Prioritization (CDP) feature x86/intel_rdt: Add L2CDP support in documentation x86/intel_rdt: Update documentation |
||
|
Linus Torvalds
|
1a9a126b50 |
ACPI updates for v4.16-rc1
- Update the ACPICA kernel code to upstream revision 20171215 including:
* Support for ACPI 6.0A changes in the NFIT table (Bob Moore).
* Local 64-bit divide in string conversions (Bob Moore).
* Fix for a regression in acpi_evaluate_object_type() (Bob Moore).
* Fixes for memory leaks during package object resolution (Bob Moore).
* Deployment of safe version of strncpy() (Bob Moore).
* Debug and messaging updates (Bob Moore).
* Support for PDTT, SDEV, TPM2 tables in iASL and tools (Bob Moore).
* Null pointer dereference avoidance in Op and cleanups (Colin Ian King).
* Fix for memory leak from building prefixed pathname (Erik Schmauss).
* Coding style fixes, disassembler and compiler updates (Hanjun Guo,
Erik Schmauss).
* Additional PPTT flags from ACPI 6.2 (Jeremy Linton).
* Fix for an off-by-one error in acpi_get_timer_duration() (Jung-uk Kim).
* Infinite loop detection timeout and utilities cleanups (Lv Zheng).
* Windows 10 version 1607 and 1703 OSI strings (Mario Limonciello).
- Update ACPICA information in MAINTAINERS to reflect the current
status of ACPICA maintenance and rename a local variable in one
function to match the corresponding upstream code (Rafael Wysocki).
- Clean up ACPI-related initialization on x86 (Andy Shevchenko).
- Add support for Intel Merrifield to the ACPI GPIO code (Andy
Shevchenko).
- Clean up ACPI PMIC drivers (Andy Shevchenko, Arvind Yadav).
- Fix the ACPI Generic Event Device (GED) driver to free IRQs on
shutdown and clean up the PCI IRQ Link driver (Sinan Kaya).
- Make the GHES code call into the AER driver on all errors and
clean up the ACPI APEI code (Colin Ian King, Tyler Baicar).
- Make the IA64 ACPI NUMA code parse all SRAT entries (Ganapatrao
Kulkarni).
- Add a lid switch blacklist to the ACPI button driver and make it
print extra debug messages on lid events (Hans de Goede).
- Add quirks for Asus GL502VSK and UX305LA to the ACPI battery
driver and clean it up somewhat (Bjørn Mork, Kai-Heng Feng).
- Add device link for CHT SD card dependency on I2C to the ACPI
LPSS (Intel SoCs) driver and make it avoid creating platform
device objects for devices without MMIO resources (Adrian Hunter,
Hans de Goede).
- Fix the ACPI GPE mask kernel command line parameter handling
(Prarit Bhargava).
- Fix the handling of (incorrectly exposed) backlight interfaces
without LCD (Hans de Goede).
- Fix the usage of debugfs_create_*() in the ACPI EC driver (Geert
Uytterhoeven).
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Merge tag 'acpi-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"The majority of this is an update of the ACPICA kernel code to
upstream revision 20171215 with a cosmetic change and a maintainers
information update on top of it.
The rest is mostly some minor fixes and cleanups in the ACPI drivers
and cleanups to initialization on x86.
Specifics:
- Update the ACPICA kernel code to upstream revision 20171215 including:
* Support for ACPI 6.0A changes in the NFIT table (Bob Moore)
* Local 64-bit divide in string conversions (Bob Moore)
* Fix for a regression in acpi_evaluate_object_type() (Bob Moore)
* Fixes for memory leaks during package object resolution (Bob
Moore)
* Deployment of safe version of strncpy() (Bob Moore)
* Debug and messaging updates (Bob Moore)
* Support for PDTT, SDEV, TPM2 tables in iASL and tools (Bob
Moore)
* Null pointer dereference avoidance in Op and cleanups (Colin Ian
King)
* Fix for memory leak from building prefixed pathname (Erik
Schmauss)
* Coding style fixes, disassembler and compiler updates (Hanjun
Guo, Erik Schmauss)
* Additional PPTT flags from ACPI 6.2 (Jeremy Linton)
* Fix for an off-by-one error in acpi_get_timer_duration()
(Jung-uk Kim)
* Infinite loop detection timeout and utilities cleanups (Lv
Zheng)
* Windows 10 version 1607 and 1703 OSI strings (Mario
Limonciello)
- Update ACPICA information in MAINTAINERS to reflect the current
status of ACPICA maintenance and rename a local variable in one
function to match the corresponding upstream code (Rafael Wysocki)
- Clean up ACPI-related initialization on x86 (Andy Shevchenko)
- Add support for Intel Merrifield to the ACPI GPIO code (Andy
Shevchenko)
- Clean up ACPI PMIC drivers (Andy Shevchenko, Arvind Yadav)
- Fix the ACPI Generic Event Device (GED) driver to free IRQs on
shutdown and clean up the PCI IRQ Link driver (Sinan Kaya)
- Make the GHES code call into the AER driver on all errors and clean
up the ACPI APEI code (Colin Ian King, Tyler Baicar)
- Make the IA64 ACPI NUMA code parse all SRAT entries (Ganapatrao
Kulkarni)
- Add a lid switch blacklist to the ACPI button driver and make it
print extra debug messages on lid events (Hans de Goede)
- Add quirks for Asus GL502VSK and UX305LA to the ACPI battery driver
and clean it up somewhat (Bjørn Mork, Kai-Heng Feng)
- Add device link for CHT SD card dependency on I2C to the ACPI LPSS
(Intel SoCs) driver and make it avoid creating platform device
objects for devices without MMIO resources (Adrian Hunter, Hans de
Goede)
- Fix the ACPI GPE mask kernel command line parameter handling
(Prarit Bhargava)
- Fix the handling of (incorrectly exposed) backlight interfaces
without LCD (Hans de Goede)
- Fix the usage of debugfs_create_*() in the ACPI EC driver (Geert
Uytterhoeven)"
* tag 'acpi-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (62 commits)
ACPI/PCI: pci_link: reduce verbosity when IRQ is enabled
ACPI / LPSS: Do not instiate platform_dev for devs without MMIO resources
ACPI / PMIC: Convert to use builtin_platform_driver() macro
ACPI / x86: boot: Propagate error code in acpi_gsi_to_irq()
ACPICA: Update version to 20171215
ACPICA: trivial style fix, no functional change
ACPICA: Fix a couple memory leaks during package object resolution
ACPICA: Recognize the Windows 10 version 1607 and 1703 OSI strings
ACPICA: DT compiler: prevent error if optional field at the end of table is not present
ACPICA: Rename a global variable, no functional change
ACPICA: Create and deploy safe version of strncpy
ACPICA: Cleanup the global variables and update comments
ACPICA: Debugger: fix slight indentation issue
ACPICA: Fix a regression in the acpi_evaluate_object_type() interface
ACPICA: Update for a few debug output statements
ACPICA: Debug output, no functional change
ACPI: EC: Fix debugfs_create_*() usage
ACPI / video: Default lcd_only to true on Win8-ready and newer machines
ACPI / x86: boot: Don't setup SCI on HW-reduced platforms
ACPI / x86: boot: Use INVALID_ACPI_IRQ instead of 0 for acpi_sci_override_gsi
...
|