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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"We had again a busy development cycle with many new drivers as well as
lots of core improvements / cleanups. Let's go for highlights:
ALSA core:
- PCM locking scheme was refactored for reducing a global rwlock
- PCM suspend is handled in the device type PM ops now; lots of
explicit calls were reduced by this action
- Cleanups about PCM buffer preallocation calls
- Kill NULL device object in memory allocations
- Lots of procfs API cleanups
ASoC core:
- Support for only powering up channels that are actively being used
- Cleanups / fixes of topology API
ASoC drivers:
- MediaTek BTCVSD for a Bluetooth radio chip, which is the first such
driver we've had upstream!
- Quite a few improvements to simplify the generic card drivers,
especially the merge of the SCU cards into the main generic drivers
- Lots of fixes for probing on Intel systems to follow more standard
styles
- A big refresh and cleanup of the Samsung drivers
- New drivers: Asahi Kasei Microdevices AK4497, Cirrus Logic CS4341
and CS35L26, Google ChromeOS embedded controllers, Ingenic JZ4725B,
MediaTek BTCVSD, MT8183 and MT6358, NXP MICFIL, Rockchip RK3328,
Spreadtrum DMA controllers, Qualcomm WCD9335, Xilinx S/PDIF and PCM
formatters
ALSA drivers:
- Improvements of Tegra HD-audio controller driver for supporting new
chips
- HD-audio codec quirks for ALC294 S4 resume, ASUS laptop, Chrome
headset button support and Dell workstations
- Improved DSD support on USB-audio
- Quirk for MOTU MicroBook II USB-audio
- Support for Fireface UCX support and Solid State Logic Duende
Classic/Mini"
* tag 'sound-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (461 commits)
ALSA: usb-audio: Add quirk for MOTU MicroBook II
ASoC: stm32: i2s: skip useless write in slave mode
ASoC: stm32: i2s: fix race condition in irq handler
ASoC: stm32: i2s: remove useless callback
ASoC: stm32: i2s: fix dma configuration
ASoC: stm32: i2s: fix stream count management
ASoC: stm32: i2s: fix 16 bit format support
ASoC: stm32: i2s: fix IRQ clearing
ASoC: qcom: Kconfig: fix dependency for sdm845
ASoC: Intel: Boards: Add Maxim98373 support
ASoC: rsnd: gen: fix SSI9 4/5/6/7 busif related register address
ALSA: firewire-motu: fix construction of PCM frame for capture direction
ALSA: bebob: use more identical mod_alias for Saffire Pro 10 I/O against Liquid Saffire 56
ALSA: hda: Extend i915 component bind timeout
ASoC: wm_adsp: Improve logging messages
ASoC: wm_adsp: Add support for multiple compressed buffers
ASoC: wm_adsp: Refactor compress stream initialisation
ASoC: wm_adsp: Reorder some functions for improved clarity
ASoC: wm_adsp: Factor out stripping padding from ADSP data
ASoC: cs35l36: Fix an IS_ERR() vs NULL checking bug
...
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https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: More changes for v5.1
Another batch of changes for ASoC, no big core changes - it's mainly
small fixes and improvements for individual drivers.
- A big refresh and cleanup of the Samsung drivers, fixing a number of
issues which allow the driver to be used with a wider range of
userspaces.
- Fixes for the Intel drivers to make them more standard so less likely
to get bitten by core issues.
- New driver for Cirrus Logic CS35L26.
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"nvidia,model" property is added to pass custom name for hda sound card.
This is parsed in hda driver and used for card name. This aligns with the
way with which sound cards are named in general.
This patch populates above for jetson-tx1, jetson-tx2 and jetson-xavier.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These are ACPICA updates including ACPI 6.3 support among other
things, APEI updates including the ARM Software Delegated Exception
Interface (SDEI) support, ACPI EC driver fixes and cleanups and other
assorted improvements.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20190215
including ACPI 6.3 support and more:
* New predefined methods: _NBS, _NCH, _NIC, _NIH, and _NIG (Erik
Schmauss).
* Update of the PCC Identifier structure in PDTT (Erik Schmauss).
* Support for new Generic Affinity Structure subtable in SRAT
(Erik Schmauss).
* New PCC operation region support (Erik Schmauss).
* Support for GICC statistical profiling for MADT (Erik Schmauss).
* New Error Disconnect Recover notification support (Erik
Schmauss).
* New PPTT Processor Structure Flags fields support (Erik
Schmauss).
* ACPI 6.3 HMAT updates (Erik Schmauss).
* GTDT Revision 3 support (Erik Schmauss).
* Legacy module-level code (MLC) support removal (Erik Schmauss).
* Update/clarification of messages for control method failures
(Bob Moore).
* Warning on creation of a zero-length opregion (Bob Moore).
* acpiexec option to dump extra info for memory leaks (Bob Moore).
* More ACPI error to firmware error conversions (Bob Moore).
* Debugger fix (Bob Moore).
* Copyrights update (Bob Moore)
- Clean up sleep states support code in ACPICA (Christoph Hellwig)
- Rework in_nmi() handling in the APEI code and add suppor for the
ARM Software Delegated Exception Interface (SDEI) to it (James
Morse)
- Fix possible out-of-bounds accesses in BERT-related core (Ross
Lagerwall)
- Fix the APEI code parsing HEST that includes a Deferred Machine
Check subtable (Yazen Ghannam)
- Use DEFINE_DEBUGFS_ATTRIBUTE for APEI-related debugfs files
(YueHaibing)
- Switch the APEI ERST code to the new generic UUID API (Andy
Shevchenko)
- Update the MAINTAINERS entry for APEI (Borislav Petkov)
- Fix and clean up the ACPI EC driver (Rafael Wysocki, Zhang Rui)
- Fix DMI checks handling in the ACPI backlight driver and add the
"Lunch Box" chassis-type check to it (Hans de Goede)
- Add support for using ACPI table overrides included in built-in
initrd images (Shunyong Yang)
- Update ACPI device enumeration to treat the PWM2 device as "always
present" on Lenovo Yoga Book (Yauhen Kharuzhy)
- Fix up the enumeration of device objects with the PRP0001 device ID
(Andy Shevchenko)
- Clean up PPTT parsing error messages (John Garry)
- Clean up debugfs files creation handling (Greg Kroah-Hartman,
Rafael Wysocki)
- Clean up the ACPI DPTF Makefile (Masahiro Yamada)"
* tag 'acpi-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (65 commits)
ACPI / bus: Respect PRP0001 when retrieving device match data
ACPICA: Update version to 20190215
ACPI/ACPICA: Trivial: fix spelling mistakes and fix whitespace formatting
ACPICA: ACPI 6.3: add GTDT Revision 3 support
ACPICA: ACPI 6.3: HMAT updates
ACPICA: ACPI 6.3: PPTT add additional fields in Processor Structure Flags
ACPICA: ACPI 6.3: add Error Disconnect Recover Notification value
ACPICA: ACPI 6.3: MADT: add support for statistical profiling in GICC
ACPICA: ACPI 6.3: add PCC operation region support for AML interpreter
efi: cper: Fix possible out-of-bounds access
ACPI: APEI: Fix possible out-of-bounds access to BERT region
ACPICA: ACPI 6.3: SRAT: add Generic Affinity Structure subtable
ACPICA: ACPI 6.3: Add Trigger order to PCC Identifier structure in PDTT
ACPICA: ACPI 6.3: Adding predefined methods _NBS, _NCH, _NIC, _NIH, and _NIG
ACPICA: Update/clarify messages for control method failures
ACPICA: Debugger: Fix possible fault with the "test objects" command
ACPICA: Interpreter: Emit warning for creation of a zero-length op region
ACPICA: Remove legacy module-level code support
ACPI / x86: Make PWM2 device always present at Lenovo Yoga Book
ACPI / video: Extend chassis-type detection with a "Lunch Box" check
..
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* acpi-apei: (29 commits)
efi: cper: Fix possible out-of-bounds access
ACPI: APEI: Fix possible out-of-bounds access to BERT region
MAINTAINERS: Add James Morse to the list of APEI reviewers
ACPI / APEI: Add support for the SDEI GHES Notification type
firmware: arm_sdei: Add ACPI GHES registration helper
ACPI / APEI: Use separate fixmap pages for arm64 NMI-like notifications
ACPI / APEI: Only use queued estatus entry during in_nmi_queue_one_entry()
ACPI / APEI: Split ghes_read_estatus() to allow a peek at the CPER length
ACPI / APEI: Make GHES estatus header validation more user friendly
ACPI / APEI: Pass ghes and estatus separately to avoid a later copy
ACPI / APEI: Let the notification helper specify the fixmap slot
ACPI / APEI: Move locking to the notification helper
arm64: KVM/mm: Move SEA handling behind a single 'claim' interface
KVM: arm/arm64: Add kvm_ras.h to collect kvm specific RAS plumbing
ACPI / APEI: Switch NOTIFY_SEA to use the estatus queue
ACPI / APEI: Move NOTIFY_SEA between the estatus-queue and NOTIFY_NMI
ACPI / APEI: Don't allow ghes_ack_error() to mask earlier errors
ACPI / APEI: Generalise the estatus queue's notify code
ACPI / APEI: Don't update struct ghes' flags in read/clear estatus
ACPI / APEI: Remove spurious GHES_TO_CLEAR check
...
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APEI's Generic Hardware Error Source structures do not describe
whether the SDEI event is shared or private, as this information is
discoverable via the API.
GHES needs to know whether an event is normal or critical to avoid
sharing locks or fixmap entries, but GHES shouldn't have to know about
the SDEI API.
Add a helper to register the GHES using the appropriate normal or
critical callback.
Signed-off-by: James Morse <james.morse@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Now that ghes notification helpers provide the fixmap slots and
take the lock themselves, multiple NMI-like notifications can
be used on arm64.
These should be named after their notification method as they can't
all be called 'NMI'. x86's NOTIFY_NMI already is, change the SEA
fixmap entry to be called FIX_APEI_GHES_SEA.
Future patches can add support for FIX_APEI_GHES_SEI and
FIX_APEI_GHES_SDEI_{NORMAL,CRITICAL}.
Because all of ghes.c builds on both architectures, provide a
constant for each fixmap entry that the architecture will never
use.
Signed-off-by: James Morse <james.morse@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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To split up APEIs in_nmi() path, the caller needs to always be
in_nmi(). Add a helper to do the work and claim the notification.
When KVM or the arch code takes an exception that might be a RAS
notification, it asks the APEI firmware-first code whether it wants
to claim the exception. A future kernel-first mechanism may be queried
afterwards, and claim the notification, otherwise we fall through
to the existing default behaviour.
The NOTIFY_SEA code was merged before considering multiple, possibly
interacting, NMI-like notifications and the need to consider kernel
first in the future. Make the 'claiming' behaviour explicit.
Restructuring the APEI code to allow multiple NMI-like notifications
means any notification that might interrupt interrupts-masked
code must always be wrapped in nmi_enter()/nmi_exit(). This will
allow APEI to use in_nmi() to use the right fixmap entries.
Mask SError over this window to prevent an asynchronous RAS error
arriving and tripping 'nmi_enter()'s BUG_ON(in_nmi()).
Signed-off-by: James Morse <james.morse@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Tyler Baicar <tbaicar@codeaurora.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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To split up APEIs in_nmi() path, the caller needs to always be
in_nmi(). KVM shouldn't have to know about this, pull the RAS plumbing
out into a header file.
Currently guest synchronous external aborts are claimed as RAS
notifications by handle_guest_sea(), which is hidden in the arch codes
mm/fault.c. 32bit gets a dummy declaration in system_misc.h.
There is going to be more of this in the future if/when the kernel
supports the SError-based firmware-first notification mechanism and/or
kernel-first notifications for both synchronous external abort and
SError. Each of these will come with some Kconfig symbols and a
handful of header files.
Create a header file for all this.
This patch gives handle_guest_sea() a 'kvm_' prefix, and moves the
declarations to kvm_ras.h as preparation for a future patch that moves
the ACPI-specific RAS code out of mm/fault.c.
Signed-off-by: James Morse <james.morse@arm.com>
Reviewed-by: Punit Agrawal <punit.agrawal@arm.com>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Tyler Baicar <tbaicar@codeaurora.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These are PM-runtime framework changes to use ktime instead of jiffies
for accounting, new PM core flag to mark devices that don't need any
form of power management, cpuidle updates including driver API
documentation and a new governor, cpufreq updates including a new
driver for Armada 8K, thermal cleanups and more, some energy-aware
scheduling (EAS) enabling changes, new chips support in the intel_idle
and RAPL drivers and assorted cleanups in some other places.
Specifics:
- Update the PM-runtime framework to use ktime instead of jiffies for
accounting (Thara Gopinath, Vincent Guittot)
- Optimize the autosuspend code in the PM-runtime framework somewhat
(Ladislav Michl)
- Add a PM core flag to mark devices that don't need any form of
power management (Sudeep Holla)
- Introduce driver API documentation for cpuidle and add a new
cpuidle governor for tickless systems (Rafael Wysocki)
- Add Jacobsville support to the intel_idle driver (Zhang Rui)
- Clean up a cpuidle core header file and the cpuidle-dt and ACPI
processor-idle drivers (Yangtao Li, Joseph Lo, Yazen Ghannam)
- Add new cpufreq driver for Armada 8K (Gregory Clement)
- Fix and clean up cpufreq core (Rafael Wysocki, Viresh Kumar, Amit
Kucheria)
- Add support for light-weight tear-down and bring-up of CPUs to the
cpufreq core and use it in the cpufreq-dt driver (Viresh Kumar)
- Fix cpu_cooling Kconfig dependencies, add support for CPU cooling
auto-registration to the cpufreq core and use it in multiple
cpufreq drivers (Amit Kucheria)
- Fix some minor issues and do some cleanups in the davinci,
e_powersaver, ap806, s5pv210, qcom and kryo cpufreq drivers
(Bartosz Golaszewski, Gustavo Silva, Julia Lawall, Paweł Chmiel,
Taniya Das, Viresh Kumar)
- Add a Hisilicon CPPC quirk to the cppc_cpufreq driver (Xiongfeng
Wang)
- Clean up the intel_pstate and acpi-cpufreq drivers (Erwan Velu,
Rafael Wysocki)
- Clean up multiple cpufreq drivers (Yangtao Li)
- Update cpufreq-related MAINTAINERS entries (Baruch Siach, Lukas
Bulwahn)
- Add support for exposing the Energy Model via debugfs and make
multiple cpufreq drivers register an Energy Model to support
energy-aware scheduling (Quentin Perret, Dietmar Eggemann, Matthias
Kaehlcke)
- Add Ice Lake mobile and Jacobsville support to the Intel RAPL
power-capping driver (Gayatri Kammela, Zhang Rui)
- Add a power estimation helper to the operating performance points
(OPP) framework and clean up a core function in it (Quentin Perret,
Viresh Kumar)
- Make minor improvements in the generic power domains (genpd), OPP
and system suspend frameworks and in the PM core (Aditya Pakki,
Douglas Anderson, Greg Kroah-Hartman, Rafael Wysocki, Yangtao Li)"
* tag 'pm-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (80 commits)
cpufreq: kryo: Release OPP tables on module removal
cpufreq: ap806: add missing of_node_put after of_device_is_available
cpufreq: acpi-cpufreq: Report if CPU doesn't support boost technologies
cpufreq: Pass updated policy to driver ->setpolicy() callback
cpufreq: Fix two debug messages in cpufreq_set_policy()
cpufreq: Reorder and simplify cpufreq_update_policy()
cpufreq: Add kerneldoc comments for two core functions
PM / core: Add support to skip power management in device/driver model
cpufreq: intel_pstate: Rework iowait boosting to be less aggressive
cpufreq: intel_pstate: Eliminate intel_pstate_get_base_pstate()
cpufreq: intel_pstate: Avoid redundant initialization of local vars
powercap/intel_rapl: add Ice Lake mobile
ACPI / processor: Set P_LVL{2,3} idle state descriptions
cpufreq / cppc: Work around for Hisilicon CPPC cpufreq
ACPI / CPPC: Add a helper to get desired performance
cpufreq: davinci: move configuration to include/linux/platform_data
cpufreq: speedstep: convert BUG() to BUG_ON()
cpufreq: powernv: fix missing check of return value in init_powernv_pstates()
cpufreq: longhaul: remove unneeded semicolon
cpufreq: pcc-cpufreq: remove unneeded semicolon
..
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git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm into pm-cpufreq
Pull cpufreq drivers material for v5.1 from Viresh Kumar:
"This contains:
- Minor cleanups for pcc, longhaul, powerenv and speedstep drivers (Yangtao Li).
- Moving configuration data out of mach directory for davinci (Bartosz Golaszewski)."
* 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
cpufreq: davinci: move configuration to include/linux/platform_data
cpufreq: speedstep: convert BUG() to BUG_ON()
cpufreq: powernv: fix missing check of return value in init_powernv_pstates()
cpufreq: longhaul: remove unneeded semicolon
cpufreq: pcc-cpufreq: remove unneeded semicolon
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The header containing the configuration structure for davinci cpufreq
driver lives in mach-davinci/include/mach/. This is fine for now but
if we want to make davinci part of the multi_v5 build, no code external
to mach-davinci should include machine-specific headers.
Move the configuration structure to include/linux/platform_data.
While we're at it: convert the GPL-2.0 boilerplate to a proper SPDX
license identifier.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
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Merge misc updates from Andrew Morton:
- a few misc things
- ocfs2 updates
- most of MM
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (159 commits)
tools/testing/selftests/proc/proc-self-syscall.c: remove duplicate include
proc: more robust bulk read test
proc: test /proc/*/maps, smaps, smaps_rollup, statm
proc: use seq_puts() everywhere
proc: read kernel cpu stat pointer once
proc: remove unused argument in proc_pid_lookup()
fs/proc/thread_self.c: code cleanup for proc_setup_thread_self()
fs/proc/self.c: code cleanup for proc_setup_self()
proc: return exit code 4 for skipped tests
mm,mremap: bail out earlier in mremap_to under map pressure
mm/sparse: fix a bad comparison
mm/memory.c: do_fault: avoid usage of stale vm_area_struct
writeback: fix inode cgroup switching comment
mm/huge_memory.c: fix "orig_pud" set but not used
mm/hotplug: fix an imbalance with DEBUG_PAGEALLOC
mm/memcontrol.c: fix bad line in comment
mm/cma.c: cma_declare_contiguous: correct err handling
mm/page_ext.c: fix an imbalance with kmemleak
mm/compaction: pass pgdat to too_many_isolated() instead of zone
mm: remove zone_lru_lock() function, access ->lru_lock directly
...
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The descriptions of userspace memory access functions had minor issues
with formatting that made kernel-doc unable to properly detect the
function/macro names and the return value sections:
./arch/x86/include/asm/uaccess.h:80: info: Scanning doc for
./arch/x86/include/asm/uaccess.h:139: info: Scanning doc for
./arch/x86/include/asm/uaccess.h:231: info: Scanning doc for
./arch/x86/include/asm/uaccess.h:505: info: Scanning doc for
./arch/x86/include/asm/uaccess.h:530: info: Scanning doc for
./arch/x86/lib/usercopy_32.c:58: info: Scanning doc for
./arch/x86/lib/usercopy_32.c:69: warning: No description found for return
value of 'clear_user'
./arch/x86/lib/usercopy_32.c:78: info: Scanning doc for
./arch/x86/lib/usercopy_32.c:90: warning: No description found for return
value of '__clear_user'
Fix the formatting.
Link: http://lkml.kernel.org/r/1549549644-4903-3-git-send-email-rppt@linux.ibm.com
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Number of NUMA nodes can't be negative.
This saves a few bytes on x86_64:
add/remove: 0/0 grow/shrink: 4/21 up/down: 27/-265 (-238)
Function old new delta
hv_synic_alloc.cold 88 110 +22
prealloc_shrinker 260 262 +2
bootstrap 249 251 +2
sched_init_numa 1566 1567 +1
show_slab_objects 778 777 -1
s_show 1201 1200 -1
kmem_cache_init 346 345 -1
__alloc_workqueue_key 1146 1145 -1
mem_cgroup_css_alloc 1614 1612 -2
__do_sys_swapon 4702 4699 -3
__list_lru_init 655 651 -4
nic_probe 2379 2374 -5
store_user_store 118 111 -7
red_zone_store 106 99 -7
poison_store 106 99 -7
wq_numa_init 348 338 -10
__kmem_cache_empty 75 65 -10
task_numa_free 186 173 -13
merge_across_nodes_store 351 336 -15
irq_create_affinity_masks 1261 1246 -15
do_numa_crng_init 343 321 -22
task_numa_fault 4760 4737 -23
swapfile_init 179 156 -23
hv_synic_alloc 536 492 -44
apply_wqattrs_prepare 746 695 -51
Link: http://lkml.kernel.org/r/20190201223029.GA15820@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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THP pages can get split during different code paths. An incremented
reference count does imply we will not split the compound page. But the
pmd entry can be converted to level 4 pte entries. Keep the code
simpler by allowing large IOMMU page size only if the guest ram is
backed by hugetlb pages.
Link: http://lkml.kernel.org/r/20190114095438.32470-6-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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mm_iommu_do_alloc
The current code doesn't do page migration if the page allocated is a
compound page. With HugeTLB migration support, we can end up allocating
hugetlb pages from CMA region. Also, THP pages can be allocated from
CMA region. This patch updates the code to handle compound pages
correctly. The patch also switches to a single get_user_pages with the
right count, instead of doing one get_user_pages per page. That avoids
reading page table multiple times. This is done by using
get_user_pages_longterm, because that also takes care of DAX backed
pages.
DAX pages lifetime is dictated by file system rules and as such, we need
to make sure that we free these pages on operations like truncate and
punch hole. If we have long term pin on these pages, which are mostly
return to userspace with elevated page count, the entity holding the
long term pin may not be aware of the fact that file got truncated and
the file system blocks possibly got reused. That can result in
corruption.
The patch also converts the hpas member of mm_iommu_table_group_mem_t to
a union. We use the same storage location to store pointers to struct
page. We cannot update all the code path use struct page *, because we
access hpas in real mode and we can't do that struct page * to pfn
conversion in real mode.
[aneesh.kumar@linux.ibm.com: address review feedback, update changelog]
Link: http://lkml.kernel.org/r/20190227144736.5872-4-aneesh.kumar@linux.ibm.com
Link: http://lkml.kernel.org/r/20190114095438.32470-5-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In the old days, remap_pfn_range() required pages to be marked as
PG_reserved, so they would e.g. never get swapped out. This was
required for special mappings. Nowadays, this is fully handled via the
VMA (VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP inside
remap_pfn_range() to be precise). PG_reserved is no longer required but
only a relic from the past.
So only architecture specific MM handling might require it (e.g. to
detect them as MMIO pages). As there are no architecture specific
checks for PageReserved() apart from MCA handling in ia64code, this can
go. Use simple vzalloc()/vfree() instead.
Note that before calling vzalloc(), size has already been aligned to
PAGE_SIZE, no need to align again.
Link: http://lkml.kernel.org/r/20190114125903.24845-9-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The crashkernel is reserved via memblock_reserve(). memblock_free_all()
will call free_low_memory_core_early(), which will go over all reserved
memblocks, marking the pages as PG_reserved.
So manually marking pages as PG_reserved is not necessary, they are
already in the desired state (otherwise they would have been handed over
to the buddy as free pages and bad things would happen).
Link: http://lkml.kernel.org/r/20190114125903.24845-8-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Matthias Brugger <mbrugger@suse.com>
Reviewed-by: Bhupesh Sharma <bhsharma@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Laura Abbott <labbott@redhat.com>
Cc: Greg Hackmann <ghackmann@android.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Kristina Martsenko <kristina.martsenko@arm.com>
Cc: CHANDAN VN <chandan.vn@samsung.com>
Cc: AKASHI Takahiro <takahiro.akashi@linaro.org>
Cc: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This will be done by free_reserved_page().
Link: http://lkml.kernel.org/r/20190114125903.24845-7-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: James Morse <james.morse@arm.com>
Reviewed-by: Bhupesh Sharma <bhsharma@redhat.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: James Morse <james.morse@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Dave Kleikamp <dave.kleikamp@oracle.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The PG_reserved flag is cleared from memory that is part of the kernel
image (and therefore marked as PG_reserved). Avoid using PG_reserved
directly.
Link: http://lkml.kernel.org/r/20190114125903.24845-6-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The VDSO is part of the kernel image and therefore the struct pages are
marked as reserved during boot.
As we install a special mapping, the actual struct pages will never be
exposed to MM via the page tables. We can therefore leave the pages
marked as reserved.
Link: http://lkml.kernel.org/r/20190114125903.24845-5-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Palmer Dabbelt <palmer@sifive.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Tobias Klauser <tklauser@distanz.ch>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The VDSO is part of the kernel image and therefore the struct pages are
marked as reserved during boot.
As we install a special mapping, the actual struct pages will never be
exposed to MM via the page tables. We can therefore leave the pages
marked as reserved.
Link: http://lkml.kernel.org/r/20190114125903.24845-4-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Kees Cook <keescook@chromium.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The VDSO is part of the kernel image and therefore the struct pages are
marked as reserved during boot.
As we install a special mapping, the actual struct pages will never be
exposed to MM via the page tables. We can therefore leave the pages
marked as reserved.
Link: http://lkml.kernel.org/r/20190114125903.24845-3-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Suggested-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>
Cc: Michal Hocko <mhocko@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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NestMMU requires us to mark the pte invalid and flush the tlb when we do
a RW upgrade of pte. We fixed a variant of this in the fault path in
bd5050e38aec ("powerpc/mm/radix: Change pte relax sequence to handle
nest MMU hang").
Link: http://lkml.kernel.org/r/20190116085035.29729-6-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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NestMMU requires us to mark the pte invalid and flush the tlb when we do
a RW upgrade of pte. We fixed a variant of this in the fault path in
bd5050e38aec ("powerpc/mm/radix: Change pte relax sequence to handle
nest MMU hang").
Do the same for mprotect upgrades.
Hugetlb is handled in the next patch.
Link: http://lkml.kernel.org/r/20190116085035.29729-4-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Architectures like ppc64 require to do a conditional tlb flush based on
the old and new value of pte. Enable that by passing old pte value as
the arg.
Link: http://lkml.kernel.org/r/20190116085035.29729-3-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "NestMMU pte upgrade workaround for mprotect", v5.
We can upgrade pte access (R -> RW transition) via mprotect. We need to
make sure we follow the recommended pte update sequence as outlined in
commit bd5050e38aec ("powerpc/mm/radix: Change pte relax sequence to
handle nest MMU hang") for such updates. This patch series does that.
This patch (of 5):
Some architectures may want to call flush_tlb_range from these helpers.
Link: http://lkml.kernel.org/r/20190116085035.29729-2-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Let arm64 subscribe to the previously added framework in which
architecture can inform whether a given huge page size is supported for
migration. This just overrides the default function
arch_hugetlb_migration_supported() and enables migration for all
possible HugeTLB page sizes on arm64.
With this, HugeTLB migration support on arm64 now covers all possible
HugeTLB options.
CONT PTE PMD CONT PMD PUD
-------- --- -------- ---
4K: 64K 2M 32M 1G
16K: 2M 32M 1G
64K: 2M 512M 16G
Link: http://lkml.kernel.org/r/1545121450-1663-6-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Steve Capper <steve.capper@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Let arm64 subscribe to generic HugeTLB page migration framework. Right
now this only works on the following PMD and PUD level HugeTLB page
sizes with various kernel base page size combinations.
CONT PTE PMD CONT PMD PUD
-------- --- -------- ---
4K: NA 2M NA 1G
16K: NA 32M NA
64K: NA 512M NA
Link: http://lkml.kernel.org/r/1545121450-1663-5-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Reviewed-by: Steve Capper <steve.capper@arm.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Patch series "Replace all open encodings for NUMA_NO_NODE", v3.
All these places for replacement were found by running the following
grep patterns on the entire kernel code. Please let me know if this
might have missed some instances. This might also have replaced some
false positives. I will appreciate suggestions, inputs and review.
1. git grep "nid == -1"
2. git grep "node == -1"
3. git grep "nid = -1"
4. git grep "node = -1"
This patch (of 2):
At present there are multiple places where invalid node number is
encoded as -1. Even though implicitly understood it is always better to
have macros in there. Replace these open encodings for an invalid node
number with the global macro NUMA_NO_NODE. This helps remove NUMA
related assumptions like 'invalid node' from various places redirecting
them to a common definition.
Link: http://lkml.kernel.org/r/1545127933-10711-2-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> [ixgbe]
Acked-by: Jens Axboe <axboe@kernel.dk> [mtip32xx]
Acked-by: Vinod Koul <vkoul@kernel.org> [dmaengine.c]
Acked-by: Michael Ellerman <mpe@ellerman.id.au> [powerpc]
Acked-by: Doug Ledford <dledford@redhat.com> [drivers/infiniband]
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The __SYSCALL macro's arguments are system call number, system call
entry name and number of arguments for the system call.
Argument- nargs in __SYSCALL(nr, entry, nargs) is neither calculated nor
used anywhere. So it would be better to keep the implementation as
__SYSCALL(nr, entry). This unifies the implementation with some other
architectures too.
Link: http://lkml.kernel.org/r/1546443445-21075-2-git-send-email-firoz.khan@linaro.org
Signed-off-by: Firoz Khan <firoz.khan@linaro.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Simon Horman <horms+renesas@verge.net.au>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Philippe Ombredanne <pombredanne@nexb.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Kate Stewart <kstewart@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use after scope bugs detector seems to be almost entirely useless for
the linux kernel. It exists over two years, but I've seen only one
valid bug so far [1]. And the bug was fixed before it has been
reported. There were some other use-after-scope reports, but they were
false-positives due to different reasons like incompatibility with
structleak plugin.
This feature significantly increases stack usage, especially with GCC <
9 version, and causes a 32K stack overflow. It probably adds
performance penalty too.
Given all that, let's remove use-after-scope detector entirely.
While preparing this patch I've noticed that we mistakenly enable
use-after-scope detection for clang compiler regardless of
CONFIG_KASAN_EXTRA setting. This is also fixed now.
[1] http://lkml.kernel.org/r/<20171129052106.rhgbjhhis53hkgfn@wfg-t540p.sh.intel.com>
Link: http://lkml.kernel.org/r/20190111185842.13978-1-aryabinin@virtuozzo.com
Signed-off-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Acked-by: Will Deacon <will.deacon@arm.com> [arm64]
Cc: Qian Cai <cai@lca.pw>
Cc: Alexander Potapenko <glider@google.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Pull ARM SoC late updates from Arnd Bergmann:
"Here are two branches that came relatively late during the linux-5.0
development cycle and have dependencies on the other branches:
- On the TI OMAP platform, the CPSW Ethernet PHY mode selection
driver is being replaced, this puts the final pieces in place
- On the DaVinci platform, the interrupt handling code in arch/arm
gets moved into a regular device driver in drivers/irqchip.
Since they both had some time in linux-next after the 5.0-rc8 release,
I'm sending them along with the other updates"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (38 commits)
net: ethernet: ti: cpsw: deprecate cpsw-phy-sel driver
ARM: davinci: remove intc related fields from davinci_soc_info
irqchip: davinci-cp-intc: move the driver to drivers/irqchip
ARM: davinci: cp-intc: remove redundant comments
ARM: davinci: cp-intc: drop GPL license boilerplate
ARM: davinci: cp-intc: use readl/writel_relaxed()
ARM: davinci: cp-intc: unify error handling
ARM: davinci: cp-intc: improve coding style
ARM: davinci: cp-intc: request the memory region before remapping it
ARM: davinci: cp-intc: use the new-style config structure
ARM: davinci: cp-intc: convert all hex numbers to lowercase
ARM: davinci: cp-intc: use a common prefix for all symbols
ARM: davinci: cp-intc: add the new config structures for da8xx SoCs
irqchip: davinci-cp-intc: add a new config structure
ARM: davinci: cp-intc: add a wrapper around cp_intc_init()
ARM: davinci: cp-intc: remove cp_intc.h
irqchip: davinci-aintc: move the driver to drivers/irqchip
ARM: davinci: aintc: remove unnecessary includes
ARM: davinci: aintc: remove the timer-specific irq_set_handler()
ARM: davinci: aintc: request memory region before remapping it
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/late
One change to deprecate old CPSW Ethernet PHY mode selection driver
With the device tree changes configuring CPSW with a proper PHY driver,
we want to deprecate the old driver to avoid new users for it.
Note that this driver is based on the related dts changes.
* tag 'omap-for-v5.1/cpsw-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
net: ethernet: ti: cpsw: deprecate cpsw-phy-sel driver
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/late
DaVinci SoC updates for v5.1 (part 3)
-------------------------------------
This pull request gets rid of mach-davinci private interrupt controller
implmentations (aintc and cp_initc) and moves them to drivers/irqchip.
mach/irqs.h usage outside of mach-davinci has been rid of.
The driver changes (input and irqchip) have been acked by respective
maintainers.
* tag 'davinci-for-v5.1/soc-part3' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci: (57 commits)
ARM: davinci: remove intc related fields from davinci_soc_info
irqchip: davinci-cp-intc: move the driver to drivers/irqchip
ARM: davinci: cp-intc: remove redundant comments
ARM: davinci: cp-intc: drop GPL license boilerplate
ARM: davinci: cp-intc: use readl/writel_relaxed()
ARM: davinci: cp-intc: unify error handling
ARM: davinci: cp-intc: improve coding style
ARM: davinci: cp-intc: request the memory region before remapping it
ARM: davinci: cp-intc: use the new-style config structure
ARM: davinci: cp-intc: convert all hex numbers to lowercase
ARM: davinci: cp-intc: use a common prefix for all symbols
ARM: davinci: cp-intc: add the new config structures for da8xx SoCs
irqchip: davinci-cp-intc: add a new config structure
ARM: davinci: cp-intc: add a wrapper around cp_intc_init()
ARM: davinci: cp-intc: remove cp_intc.h
irqchip: davinci-aintc: move the driver to drivers/irqchip
ARM: davinci: aintc: remove unnecessary includes
ARM: davinci: aintc: remove the timer-specific irq_set_handler()
ARM: davinci: aintc: request memory region before remapping it
ARM: davinci: aintc: unify error handling
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Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The fields related to the two davinci interrupt controllers are no
longer used. Remove them.
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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The cp-intc driver has now been cleaned up. Move it to drivers/irqchip
where it belongs.
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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We don't need comments explaining what functions with obvious names do.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Replace the GPLv2 license boilerplate with an SPDX identifier and add
myself as a second author.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Replace all calls to __raw_readl() & __raw_writel() with readl_relaxed()
and writel_relaxed() respectively. It's safe to do as there's no
endianness conversion being done in the code.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Instead of dumping stack traces, just print a specific error message
in aintc driver.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Drop tabs from variable initialization. Arrange variables in reverse
christmas-tree order. Add a newline before a return.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Add a missing call to request_mem_region() before calling ioremap() to
make sure it's not been requested by another user.
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Modify the cp-intc driver to take all its configuration from the new
config structure. Stop referencing davinci_soc_info in any way.
Move the declaration for davinci_cp_intc_init() to
irq-davinci-cp-intc.h and make it take the new config structure as
parameter. Convert all users to the new version.
Also: since the two da8xx SoCs default all irq priorities to 7, just
drop the priority configuration at all and hardcode the channels to 7.
It will simplify the driver code and make our lives easier when it
comes to device-tree support.
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Use lowercase letters in hexadecimal numbers in the cp-intc driver as
is done in most of the kernel code base.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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In preparation for moving the driver to drivers/irqchip do some
cleanup: use a common prefix for all symbols.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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Add the new-style config structures for da8xx SoCs. They will be used
once we make the cp-intc driver stop using davinci_soc_info.
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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We're going to extend the cp_intc_init() function with a config
structure so we can drop the intc-related fields from davinci_soc_info.
Once we do it, we won't be able to use this routine directly as the
init_irq callback. Wrap the calls in additional helpers that don't
take parameters and can be assigned to init_irq.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: David Lechner <david@lechnology.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
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