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- fix for some modern devices that return multi-byte battery report, from
Grant Likely
- fix for devices with Resolution Multiplier, from Peter Hutterer
- device probing speed increase, from Dmitry Torokhov
Add HID_QUIRK_NOGET for Logitech GROUP device.
Logitech GROUP is a compound with camera and audio.
When the HID interface in an audio device is requested to get
specific report id, all following control transfers are stalled
and never be restored back.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=203419
Signed-off-by: Ikjoon Jang <ikjn@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Acked-by: Bastien Nocera <hadess@hadess.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Deterministic algorithm:
For each file:
If not .svg:
For each line:
If doesn't contain `\bxmlns\b`:
For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`:
If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`:
If both the HTTP and HTTPS versions
return 200 OK and serve the same content:
Replace HTTP with HTTPS.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Some devices, particularly the 3DConnexion Spacemouse wireless 3D
controllers, return more than just the battery capacity in the battery
report. The Spacemouse devices return an additional byte with a device
specific field. However, hidinput_query_battery_capacity() only
requests a 2 byte transfer.
When a spacemouse is connected via USB (direct wire, no wireless dongle)
and it returns a 3 byte report instead of the assumed 2 byte battery
report the larger transfer confuses and frightens the USB subsystem
which chooses to ignore the transfer. Then after 2 seconds assume the
device has stopped responding and reset it. This can be reproduced
easily by using a wired connection with a wireless spacemouse. The
Spacemouse will enter a loop of resetting every 2 seconds which can be
observed in dmesg.
This patch solves the problem by increasing the transfer request to 4
bytes instead of 2. The fix isn't particularly elegant, but it is simple
and safe to backport to stable kernels. A further patch will follow to
more elegantly handle battery reports that contain additional data.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Cc: Darren Hart <darren@dvhart.com>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc: stable@vger.kernel.org
Tested-by: Darren Hart <dvhart@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Ultrabook Keyboard sends a spurious F23 key-press when resuming
from suspend. GNOME uses F23 to toggle the touchpad on/off so this causes
the OSD graphics for the touchpad toggle to show on resume.
The keyboard does not actually have a F23 key, se we can simple fix it
by marking the 0x00070072 HID usage, which normally is F23, to be ignored.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add support for setting the Fn lock value of the ThinkPad 10 Ultrabook
Keyboard through sysfs, re-using the fn_lock sysfs attribute read/write
helpers from the existing ThinkPad Compact Keyboard with TrackPoint
support.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Some of the function keys special functions all use the same
0x000c0001 usage code, add a mapping for these based on the usage_index;
And add support for the Speaker and Mic mute LEDs integrated into the
F1 and F4 keys.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Except for a single call, there is nothing keyboard-model specific about
the cptkbd fn_lock sysfs attr handlers, rename them dropping the cptkbd
post-/pre-fix, so that they can be re-used for supporting Fn-lock on the
Thinkpad 10 ultrabook kbd.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Factor out the generic parts of the tpkbd LED code, so that they can be
re-used for supporting the LEDs on the Thinkpad 10 ultrabook kbd.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Merge the tpkbd and cptkbd data structures, into a single unified
structure instead of having a separate data structure per keyboard type.
This is a preparation patch for making the tpkbd LED functions more
generic, so that they can be re-used for supporting the LEDs on the
Thinkpad 10 ultrabook keyboard.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
These messages appear each time the mouse wakes from sleep, in my case
(Logitech M705), every minute or so.
Let's downgrade them to the "debug" level so they don't fill the kernel log
by default.
While we are at it, let's make clear that this is a wheel multiplier (and
not, for example, XY movement multiplier).
Fixes: 4435ff2f09a2 ("HID: logitech: Enable high-resolution scrolling on Logitech mice")
Cc: stable@vger.kernel.org
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Some parts of hid-logitech-dj explicitly referred to 0xff for the
receiver index. This patch changes those references to the
HIDPP_RECEIVER_INDEX definition.
Signed-off-by: Mazin Rezk <mnrzk@protonmail.com>
Reviewed-by: Filipe Laíns <lains@archlinux.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
PCI_DEV_FLAGS_NO_D3 should not be used outside of PCI core.
Instead, we can use pci_save_state() to hint PCI core that the device
should stay at D0 during suspend. By doing so, PCI core will let the
upstream bridges also stays at D0 so the entire hierarchy is in the
correct power state as PCI spec mandates.
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
As this is a cypress HID->COM RS232 style device that is handled
by the cypress_M8 driver we also need to add it to the ignore list
in hid-quirks.
Cc: stable <stable@vger.kernel.org>
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Maxxter KB-BT-001 Bluetooth keyboard, which looks somewhat like the
Apple Wireless Keyboard, is using the vendor and product IDs (05AC:0239)
of the Apple Wireless Keyboard (2009 ANSI version) <sigh>.
But its F1 - F10 keys are marked as sending F1 - F10, not the special
functions hid-apple.c maps them too; and since its descriptors do not
contain the HID_UP_CUSTOM | 0x0003 usage apple-hid looks for for the
Fn-key, apple_setup_input() never gets called, so F1 - F6 are mapped
to key-codes which have not been set in the keybit array causing them
to not send any events at all.
The lack of a usage code matching the Fn key in the clone is actually
useful as this allows solving this problem in a generic way.
This commits adds a fn_found flag and it adds a input_configured
callback which checks if this flag is set once all usages have been
mapped. If it is not set, then assume this is a clone and clear the
quirks bitmap so that the hid-apple code does not add any special
handling to this keyboard.
This fixes F1 - F6 not sending anything at all and F7 - F12 sending
the wrong codes on the Maxxter KB-BT-001 Bluetooth keyboard and on
similar clones.
Cc: Joao Moreno <mail@joaomoreno.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
My last name changed to "Rheinsberg", so update the maintainer entries
and adjust the emails while at it.
Signed-off-by: David Rheinsberg <david.rheinsberg@gmail.com>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Using uhid and KASAN this driver crashed because it was getting
several connection events where it only expected one. Then the
device was added several times to the static device list and it got
corrupted.
This patch checks if the device is already in the list before adding
it.
Signed-off-by: Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>
Tested-by: Siarhei Vishniakou <svv@google.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Neither the trackpad, nor the mouse want input core to generate autorepeat
events for their buttons, so let's reset the bit (as hid-input sets it for
these devices based on the usage vendor code).
Cc: stable@vger.kernel.org
Reported-by: Yariv <oigevald+kernel@gmail.com>
Tested-by: Yariv <oigevald+kernel@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Add support for devices which that have reports with id == 2
Signed-off-by: Caiyuan Xie <caiyuan.xie@cn.alps.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Obins Anne Pro 2 keyboard (04d9:a293) disconnects after a few
minutes of inactivity when using it wired and typing does not result
in any input events any more. This is a common firmware flaw. So add
the ALWAYS_POLL quirk for this device.
GitHub user Dietrich Moerman (dietrichm) tested the quirk and
requested my help in my project
https://github.com/sriemer/fix-linux-mouse issue 22 to provide
this patch.
Link: https://www.reddit.com/r/AnnePro/comments/gruzcb/anne_pro_2_linux_cant_type_after_inactivity/
Signed-off-by: Sebastian Parschauer <s.parschauer@gmx.de>
Cc: stable@vger.kernel.org # v4.16+
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
hid-multitouch currently runs GET_REPORT for Contact Max and again to
retrieve the Win8 blob. If both are within the same report, the
Resolution Multiplier code calls GET_FEATURE again and this time,
possibly due to timing, it causes the ILITEK-TP device interpret the
GET_FEATURE as an instruction to change the mode and effectively stop
the device from functioning as expected.
Notably: the device doesn't even have a Resolution Multiplier so it
shouldn't be affected by any of this at all.
Fix this by making sure we only execute GET_REPORT if there is
a Resolution Multiplier in the respective report. Where the
HID_QUIRK_NO_INIT_REPORTS field is set we just bail out immediately. This
shouldn't be triggered by any real device anyway.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Tested-by: Wen He <wen.he_1@nxp.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The Mediacom FlexBook edge13 uses the SIPODEV SP1064 touchpad, which does not
supply descriptors, so it has to be added to the override list.
Signed-off-by: Federico Ricchiuto <fed.ricchiuto@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
The variable retval is being initialized with a value that is
never read and it is being updated later with a new value. The
initialization is redundant and can be removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
usbhid tries to give the device 50 milliseconds to drain its queues when
opening the device, but does it naively by simply sleeping in open handler,
which slows down device probing (and thus may affect overall boot time).
However we do not need to sleep as we can instead mark a point of time in
the future when we should start processing the events.
Reported-by: Nicolas Boichat <drinkcat@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Pull HID updates from Jiri Kosina:
- hid-mcp2221 GPIO support, from Rishi Gupta
- MT_CLS_WIN_8_DUAL obsolete quirk removal from hid-multitouch, from
Kai-Heng Feng
- a bunch of new hardware support to hid-asus driver, from Hans de
Goede
- other assorted small fixes, cleanups and device-specific quirks
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: multitouch: Remove MT_CLS_WIN_8_DUAL
HID: multitouch: enable multi-input as a quirk for some devices
HID: sony: Fix for broken buttons on DS3 USB dongles
HID: Add quirks for Trust Panora Graphic Tablet
HID: apple: Swap the Fn and Left Control keys on Apple keyboards
HID: asus: Add depends on USB_HID to HID_ASUS Kconfig option
HID: asus: Fix mute and touchpad-toggle keys on Medion Akoya E1239T
HID: asus: Add support for multi-touch touchpad on Medion Akoya E1239T
HID: asus: Add report_size to struct asus_touchpad_info
HID: asus: Add hid_is_using_ll_driver(usb_hid_driver) check
HID: asus: Simplify skipping of mappings for Asus T100CHI keyboard-dock
HID: asus: Only set EV_REP if we are adding a mapping
HID: i2c-hid: add Schneider SCL142ALM to descriptor override
HID: intel-ish-hid: avoid bogus uninitialized-variable warning
HID: mcp2221: add GPIO functionality support
HID: fix typo in Kconfig
HID: logitech: drop outdated references to unifying receivers
It was another busy development cycle, and the majority of changes
are found in ASoC side. Below are Some highlights.
ASoC core:
- Lots of core cleanups and refactorings, still on-going work by
Morimoto-san
ASoC drivers:
- Continued work on cleaning up and improving the Intel SOF stuff,
along with new platform support including SoundWire
- Fixes to make the Marvell SSPA driver work upstream
- Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and
i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and
NAU8814 and Realtek RT1016.
USB-audio:
- Improvement for sync and implicit feedback streams with the more
accurate frame size calculation and full-duplex support
- Support for RME Babyface Pro and Prioneer DJ DJM
HD-audio:
- Fixes for Mic mute LED on HP machines
- Re-enable support of Intel SST driver for SKL/KBL platforms
FireWire:
- Lots of refactoring, add support for RME FireFace and MOTU
UltraLite-mk3
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Merge tag 'sound-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"It was another busy development cycle, and the majority of changes are
found in ASoC side. Below are Some highlights.
ASoC core:
- Lots of core cleanups and refactorings, still on-going work by
Morimoto-san
ASoC drivers:
- Continued work on cleaning up and improving the Intel SOF stuff,
along with new platform support including SoundWire
- Fixes to make the Marvell SSPA driver work upstream
- Support for AMD Renoir ACP, Dialog DA7212, Freescale EASRC and
i.MX8M, Intel Elkhard Lake, Maxim MAX98390, Nuvoton NAU8812 and
NAU8814 and Realtek RT1016.
USB-audio:
- Improvement for sync and implicit feedback streams with the more
accurate frame size calculation and full-duplex support
- Support for RME Babyface Pro and Prioneer DJ DJM
HD-audio:
- Fixes for Mic mute LED on HP machines
- Re-enable support of Intel SST driver for SKL/KBL platforms
FireWire:
- Lots of refactoring, add support for RME FireFace and MOTU
UltraLite-mk3"
* tag 'sound-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (428 commits)
ALSA: es1688: Add the missed snd_card_free()
ALSA: hda: add sienna_cichlid audio asic id for sienna_cichlid up
ALSA: usb-audio: Add Pioneer DJ DJM-900NXS2 support
ASoC: qcom: q6asm-dai: kCFI fix
ASoC: soc-card: add snd_soc_card_remove_dai_link()
ASoC: soc-card: add snd_soc_card_add_dai_link()
ASoC: soc-card: add snd_soc_card_set_bias_level_post()
ASoC: soc-card: add snd_soc_card_set_bias_level()
ASoC: soc-card: add snd_soc_card_remove()
ASoC: soc-card: add snd_soc_card_late_probe()
ASoC: soc-card: add snd_soc_card_probe()
ASoC: soc-card: add probed bit field to snd_soc_card
ASoC: soc-card: add snd_soc_card_resume_post()
ASoC: soc-card: add snd_soc_card_resume_pre()
ASoC: soc-card: add snd_soc_card_suspend_post()
ASoC: soc-card: add snd_soc_card_suspend_pre()
ASoC: soc-card: move snd_soc_card_subclass to soc-card
ASoC: soc-card: move snd_soc_card_get_codec_dai() to soc-card
ASoC: soc-card: move snd_soc_card_set/get_drvdata() to soc-card
ASoC: soc-card: move snd_soc_card_jack_new() to soc-card
...
Pull pcmcia updates from Dominik Brodowski:
"Two minor PCMCIA odd fixes: one replacing zero-length arrays with a
flexible-array member, and one making a local function static"
* 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux:
pcmcia: make pccard_loop_tuple() static
pcmcia: Replace zero-length array with flexible-array
New drivers: aw2013, sgm3140, some fixes. Nothing much to see here,
next release should be more interesting.
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Merge tag 'leds-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
Pull LED updates from Pavel Machek:
"New drivers: aw2013, sgm3140, some fixes
Nothing much to see here, next release should be more interesting"
* tag 'leds-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
leds: add aw2013 driver
dt-bindings: leds: Add binding for aw2013
leds: trigger: remove redundant assignment to variable ret
leds: netxbig: Convert to use GPIO descriptors
leds: add sgm3140 driver
dt-bindings: leds: Add binding for sgm3140
leds: ariel: Add driver for status LEDs on Dell Wyse 3020
leds: pwm: check result of led_pwm_set() in led_pwm_add()
leds: tlc591xxt: hide error on EPROBE_DEFER
leds: tca6507: Include the right header
leds: lt3593: Drop surplus include
leds: lp3952: Include the right header
leds: lm355x: Drop surplus include
* cros_ec_typec
- Add notifier for update, and register port partner
* Sensors/iio:
- Fixes to cros_ec_sensorhub around allocation of resources, and send_sample.
* Wilco EC
- Fix to output format of h1_gpio
* Misc
- Misc fixes to appease kernel-doc and other warnings.
- Set user space log size in chromeos_pstore
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Merge tag 'tag-chrome-platform-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros_ec_typec:
- Add notifier for update, and register port partner
Sensors/iio:
- Fixes to cros_ec_sensorhub around allocation of resources, and
send_sample
Wilco EC:
- Fix to output format of h1_gpio
Misc:
- Misc fixes to appease kernel-doc and other warnings
- Set user space log size in chromeos_pstore"
* tag 'tag-chrome-platform-for-v5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_usbpd_logger: Add __printf annotation to append_str()
platform/chrome: cros_ec_i2c: Appease the kernel-doc deity
platform/chrome: typec: Fix ret value check error
platform/chrome: cros_ec_typec: Register port partner
platform/chrome: cros_ec_typec: Add struct for port data
platform/chrome: cros_ec_typec: Use notifier for updates
platform/chrome: cros_ec_ishtp: free ishtp buffer before sending event
platform/chrome: cros_ec_ishtp: skip old cros_ec responses
platform/chrome: wilco_ec: Provide correct output format to 'h1_gpio' file
platform/chrome: chromeos_pstore: set user space log size
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Merge tag 'linux-watchdog-5.8-rc1' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog updates from Wim Van Sebroeck:
- add new arm_smc_wdt watchdog driver
- da9062 and da9063 improvements
- clarify documentation about stop() that became optional
- document r8a7742 support
- some overall fixes and improvements
* tag 'linux-watchdog-5.8-rc1' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: m54xx: Add missing include
dt-bindings: watchdog: renesas,wdt: Document r8a7742 support
watchdog: Fix runtime PM imbalance on error
watchdog: riowd: remove unneeded semicolon
watchdog: Add new arm_smc_wdt watchdog driver
dt-bindings: watchdog: Add ARM smc wdt for mt8173 watchdog
watchdog: imx2_wdt: update contact email
watchdog: iTCO: fix link error
watchdog: da9062: No need to ping manually before setting timeout
watchdog: da9063: Make use of pre-configured timeout during probe
watchdog: da9062: Initialize timeout during probe
watchdog: clarify that stop() is optional
watchdog: imx_sc_wdt: Fix reboot on crash
watchdog: ts72xx_wdt: fix build error
- Add backlight_device_get_by_name() to the API
- New Device Support
- Add support for WLED5 to Qualcomm WLED
- Fix-ups
- Convert to GPIO descriptors; l4f00242t03
- Device Tree fix-ups; qcom-wled
- Bug Fixes
- Properly disable regulators on .probe() failure
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Merge tag 'backlight-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"Core Framework:
- Add backlight_device_get_by_name() to the API
New Device Support:
- Add support for WLED5 to Qualcomm WLED
Fix-ups:
- Convert to GPIO descriptors in l4f00242t03
- Device Tree fix-ups for qcom-wled
Bug Fixes:
- Properly disable regulators on .probe() failure"
* tag 'backlight-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: Add backlight_device_get_by_name()
backlight: qcom-wled: Add support for WLED5 peripheral that is present on PM8150L PMICs
dt-bindings: backlight: qcom-wled: Add WLED5 bindings
backlight: qcom-wled: Add callback functions
dt-bindings: backlight: qcom-wled: Convert the wled bindings to .yaml format
backlight: l4f00242t03: Convert to GPIO descriptors
backlight: lp855x: Ensure regulators are disabled on probe failure
- Constify 'properties' attribute in core header file
- New Drivers
- Add support for Gateworks System Controller
- Add support for MediaTek MT6358 PMIC
- Add support for Mediatek MT6360 PMIC
- Add support for Monolithic Power Systems MP2629 ADC and Battery charger
- Rework Intel's SCU IPC collection
- Eliminate near duplicate IPC functionality
- Split out MFD related activities into a dedicated MFD driver
- Fix-ups
- Use new I2C API; htc-i2cpld
- Remove superfluous code; sprd-sc27xx-spi
- Improve error handling; stm32-timers
- Device Tree additions/fixes; mt6397
- Defer probe betterment; wm8994-core
- Improve module handling; wm8994-core
- Staticify; stpmic1
- Trivial (spelling, formatting); tqmx86
- Bug Fixes
- Fix incorrect register/PCI IDs; intel-lpss-pci
- Fix unbalanced Regulator API calls; wm8994-core
- Fix double free(); wcd934x
- Remove IRQ domain on failure; stmfx
- Reset chip on resume; stmfx
- Disable/enable IRQs on suspend/resume; stmfx
- Do not use bulk writes on H/W which does not support them; max77620
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Merge tag 'mfd-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Constify 'properties' attribute in core header file
New Drivers:
- Add support for Gateworks System Controller
- Add support for MediaTek MT6358 PMIC
- Add support for Mediatek MT6360 PMIC
- Add support for Monolithic Power Systems MP2629 ADC and Battery charger
Fix-ups:
- Use new I2C API in htc-i2cpld
- Remove superfluous code in sprd-sc27xx-spi
- Improve error handling in stm32-timers
- Device Tree additions/fixes in mt6397
- Defer probe betterment in wm8994-core
- Improve module handling in wm8994-core
- Staticify in stpmic1
- Trivial (spelling, formatting) in tqmx86
Bug Fixes:
- Fix incorrect register/PCI IDs in intel-lpss-pci
- Fix unbalanced Regulator API calls in wm8994-core
- Fix double free() in wcd934x
- Remove IRQ domain on failure in stmfx
- Reset chip on resume in stmfx
- Disable/enable IRQs on suspend/resume in stmfx
- Do not use bulk writes on H/W which does not support them in max77620"
* tag 'mfd-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (29 commits)
mfd: mt6360: Remove duplicate REGMAP_IRQ_REG_LINE() entry
mfd: Add support for PMIC MT6360
mfd: max77620: Use single-byte writes on MAX77620
mfd: wcd934x: Drop kfree for memory allocated with devm_kzalloc
mfd: stmfx: Disable IRQ in suspend to avoid spurious interrupt
mfd: stmfx: Fix stmfx_irq_init error path
mfd: stmfx: Reset chip on resume as supply was disabled
mfd: wm8994: Silence warning about supplies during deferred probe
mfd: wm8994: Fix unbalanced calls to regulator_bulk_disable()
mfd: wm8994: Fix driver operation if loaded as modules
dt-bindings: mfd: mediatek: Add MT6397 Pin Controller
mfd: Constify properties in mfd_cell
mfd: stm32-timers: Use dma_request_chan() instead dma_request_slave_channel()
mfd: sprd: Remove unnecessary spi_bus_type setting
mfd: intel-lpss: Update LPSS UART #2 PCI ID for Jasper Lake
mfd: tqmx86: Fix a typo in MODULE_DESCRIPTION
mfd: stpmic1: Make stpmic1_regmap_config static
mfd: htc-i2cpld: Convert to use i2c_new_client_device()
MAINTAINERS: Add entry for mp2629 Battery Charger driver
power: supply: mp2629: Add impedance compensation config
...
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Merge tag 'keys-next-20200602' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull keyring updates from David Howells:
- Fix a documentation warning.
- Replace a zero-length array with a flexible one
- Make the big_key key type use ChaCha20Poly1305 and use the crypto
algorithm directly rather than going through the crypto layer.
- Implement the update op for the big_key type.
* tag 'keys-next-20200602' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs:
keys: Implement update for the big_key type
security/keys: rewrite big_key crypto to use library interface
KEYS: Replace zero-length array with flexible-array
Documentation: security: core.rst: add missing argument
- Further Intel PT call-trace fixes
- Improve SELinux docs and tool warnings
- Fix race at exit in 'perf record' using eventfd.
- Add missing build tests to the default set of 'make -C tools/perf build-test'
- Sync msr-index.h getting new AMD MSRs to decode and filter in 'perf trace'.
- Fix fallback to libaudit in 'perf trace' for arches not using per-arch *.tbl files.
- Fixes for 'perf ftrace'.
- Fixes and improvements for the 'perf stat' metrics.
- Use dummy event to get PERF_RECORD_{FORK,MMAP,etc} while synthesizing
those metadata events for pre-existing threads.
- Fix leaks detected using clang tooling.
- Improvements to PMU event metric testing.
- Report summary for 'perf stat' interval mode at the end, summing up
all the intervals.
- Improve pipe mode, i.e. this now works as expected, continuously
dumping samples:
# perf record -g -e raw_syscalls:sys_enter | perf --no-pager script
- Fixes for event grouping, detecting incompatible groups such as:
# perf stat -e '{cycles,power/energy-cores/}' -v
WARNING: group events cpu maps do not match, disabling group:
anon group { power/energy-cores/, cycles }
power/energy-cores/: 0
cycles: 0-7
- Fixes for 'perf probe': blacklist address checking, number of
kretprobe instances, etc.
- JIT processing improvements and fixes plus the addition of a 'perf
test' entry for the java demangler.
- Add support for synthesizing first/last level cache, TLB and remove
access events from HW tracing in the auxtrace code, first to use is
ARM SPE.
- Vendor events updates and fixes, including for POWER9 and Intel.
- Allow using ~/.perfconfig for removing the ',' separators in 'perf
stat' output.
- Opt-in support for libpfm4.
=================================================================================
Adrian Hunter (8):
perf intel-pt: Use allocated branch stack for PEBS sample
perf symbols: Fix debuginfo search for Ubuntu
perf kcore_copy: Fix module map when there are no modules loaded
perf evlist: Disable 'immediate' events last
perf script: Fix --call-trace for Intel PT
perf record: Respect --no-switch-events
perf intel-pt: Refine kernel decoding only warning message
perf symbols: Fix kernel maps for kcore and eBPF
Alexey Budankov (3):
perf docs: Extend CAP_SYS_ADMIN with CAP_PERFMON where needed
perf tool: Make perf tool aware of SELinux access control
perf docs: Introduce security.txt file to document related issues
Anand K Mistry (1):
perf record: Use an eventfd to wakeup when done
Andi Kleen (1):
perf script: Don't force less for non tty output with --xed
Arnaldo Carvalho de Melo (21):
perf evsel: Rename perf_evsel__object_config() to evsel__object_config()
perf evsel: Rename perf_evsel__resort*() to evsel__resort*()
perf evsel: Rename perf_evsel__fprintf() to evsel__fprintf()
perf evsel: Rename *perf_evsel__get_config_term() & friends to evsel__env()
perf evsel: Rename perf_evsel__new*() to evsel__new*()
perf evsel: Rename perf_evsel__[hs]w_cache* to evsel__[hs]w_cache*
perf counts: Rename perf_evsel__*counts() to evsel__*counts()
perf parse-events: Fix incorrect conversion of 'if () free()' to 'zfree()'
perf evsel: Initialize evsel->per_pkg_mask to NULL in evsel__init()
tools feature: Rename HAVE_EVENTFD to HAVE_EVENTFD_SUPPORT
perf build: Group the NO_SYSCALL_TABLE logic
perf build: Allow explicitely disabling the NO_SYSCALL_TABLE variable
perf trace: Remove union from syscalltbl, all the fields are needed
perf trace: Use zalloc() to make sure all fields are zeroed in the syscalltbl constructor
perf trace: Grow the syscall table as needed when using libaudit
perf build: Remove libaudit from the default feature checks
perf build: Add NO_SYSCALL_TABLE=1 to the build tests
perf build: Add NO_LIBCRYPTO=1 to the default set of build tests
perf build: Add NO_SDT=1 to the default set of build tests
perf build: Add a LIBPFM4=1 build test entry
tools arch x86: Sync the msr-index.h copy with the kernel sources
Changbin Du (2):
perf ftrace: Trace system wide if no target is given
perf ftrace: Detect workload failure
Ed Maste (1):
perf tools: Correct license on jsmn JSON parser
Gustavo A. R. Silva (2):
perf tools: Replace zero-length array with flexible-array
perf branch: Replace zero-length array with flexible-array
Ian Rogers (38):
perf expr: Allow for unlimited escaped characters in a symbol
perf metrics: Fix parse errors in cascade lake metrics
perf metrics: Fix parse errors in skylake metrics
perf expr: Allow ',' to be an other token
perf expr: Increase max other
perf expr: Parse numbers as doubles
perf expr: Debug lex if debugging yacc
perf metrics: Fix parse errors in power8 metrics
perf metrics: Fix parse errors in power9 metrics
perf expr: Print a debug message for division by zero
perf evsel: Dummy events never triggers, no need to ask for PERF_SAMPLE_BRANCH_STACK
perf record: Add dummy event during system wide synthesis
perf c2c: Fix 'perf c2c record -e list' to show the default events used
perf evsel: Fix 2 memory leaks
perf expr: Test parsing of floating point numbers
perf expr: Fix memory leaks in metric bison
perf parse-events: Make add PMU verbose output clearer
perf test: Provide a subtest callback to ask for the reason for skipping a subtest
perf test: Improve pmu event metric testing
perf trace: Fix the selection for architectures to generate the errno name tables
perf beauty: Allow the CC used in the arch errno names script to acccept CFLAGS
perf tools: Grab a copy of libbpf's hashmap
perf expr: Migrate expr ids table to a hashmap
perf metricgroup: Make 'evlist_used' variable a bitmap instead of array of bools
perf expr: Allow numbers to be followed by a dot
perf metricgroup: Free metric_events on error
perf metricgroup: Always place duration_time last
perf metricgroup: Use early return in add_metric
perf metricgroup: Delay events string creation
perf metricgroup: Order event groups by size
perf metricgroup: Remove duped metric group events
perf metricgroup: Add options to not group or merge
perf metricgroup: Remove unnecessary ',' from events
perf list: Add metrics to command line usage
tools compiler.h: Add attribute to disable tail calls
perf tests: Don't tail call optimize in unwind test
perf test: Initialize memory in dwarf-unwind
perf libdw: Fix off-by 1 relative directory includes
Jin Yao (6):
perf parse-events: Use strcmp() to compare the PMU name
perf stat: Fix wrong per-thread runtime stat for interval mode
perf counts: Reset prev_raw_counts counts
perf stat: Copy counts from prev_raw_counts to evsel->counts
perf stat: Save aggr value to first member of prev_raw_counts
perf stat: Report summary for interval mode
Jiri Olsa (13):
perf tools: Do not display extra info when there is nothing to build
perf tools: Do not seek in pipe fd during tracing data processing
perf session: Try to read pipe data from file
perf callchain: Setup callchain properly in pipe mode
perf script: Enable IP fields for callchains
perf tools: Fix is_bpf_image function logic
perf trace: Fix compilation error for make NO_LIBBPF=1 DEBUG=1
perf stat: Fix duration_time value for higher intervals
perf stat: Fail on extra comma while parsing events
perf tests: Consider subtests when searching for user specified tests
perf stat: Do not pass avg to generic_metric
perf parse: Add 'struct parse_events_state' pointer to scanner
perf stat: Ensure group is defined on top of the same cpu mask
Li Bin (1):
perf util: Fix potential SEGFAULT in put_tracepoints_path error path
Masami Hiramatsu (4):
perf probe: Accept the instance number of kretprobe event
perf probe: Fix to check blacklist address correctly
perf probe: Check address correctness by map instead of _etext
perf probe: Do not show the skipped events
Nick Gasson (6):
perf jvmti: Fix jitdump for methods without debug info
perf jvmti: Do not report error when missing debug information
perf tests: Add test for the java demangler
perf jvmti: Fix demangling Java symbols
perf jvmti: Remove redundant jitdump line table entries
perf jit: Fix inaccurate DWARF line table
Paul A. Clarke (5):
perf stat: Increase perf metric output resolution
perf vendor events power9: Add missing metrics to POWER9 'cpi_breakdown'
perf stat: POWER9 metrics: expand "ICT" acronym
perf script: Better align register values in dump
perf config: Add stat.big-num support
Ravi Bangoria (1):
perf powerpc: Don't ignore sym-handling.c file
Stephane Eranian (1):
perf tools: Add optional support for libpfm4
Tan Xiaojun (3):
perf tools: Move arm-spe-pkt-decoder.h/c to the new dir
perf auxtrace: Add four itrace options
perf arm-spe: Support synthetic events
Tiezhu Yang (1):
perf tools: Remove some duplicated includes
Wang ShaoBo (1):
perf bpf-loader: Add missing '*' for key_scan_pos
Xie XiuQi (1):
perf util: Fix memory leak of prefix_if_not_in
=================================================================================
Test results:
The first ones are container based builds of tools/perf with and without libelf
support. Where clang is available, it is also used to build perf with/without
libelf, and building with LIBCLANGLLVM=1 (built-in clang) with gcc and clang
when clang and its devel libraries are installed.
The objtool and samples/bpf/ builds are disabled now that I'm switching from
using the sources in a local volume to fetching them from a http server to
build it inside the container, to make it easier to build in a container cluster.
Those will come back later.
Several are cross builds, the ones with -x-ARCH and the android one, and those
may not have all the features built, due to lack of multi-arch devel packages,
available and being used so far on just a few, like
debian:experimental-x-{arm64,mipsel}.
The 'perf test' one will perform a variety of tests exercising
tools/perf/util/, tools/lib/{bpf,traceevent,etc}, as well as run perf commands
with a variety of command line event specifications to then intercept the
sys_perf_event syscall to check that the perf_event_attr fields are set up as
expected, among a variety of other unit tests.
Then there is the 'make -C tools/perf build-test' ones, that build tools/perf/
with a variety of feature sets, exercising the build with an incomplete set of
features as well as with a complete one. It is planned to have it run on each
of the containers mentioned above, using some container orchestration
infrastructure. Get in contact if interested in helping having this in place.
Ubuntu 19.10 is failing when linking against libllvm, which isn't the default,
needs to be investigated, haven't tested with CC=gcc, but should be the same
problem:
+ make ARCH= CROSS_COMPILE= EXTRA_CFLAGS= LIBCLANGLLVM=1 -C /git/linux/tools/perf O=/tmp/build/perf CC=clang
...
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::matcher_ignoringImpCasts0Matcher::matches(clang::Expr const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
(.text._ZNK5clang12ast_matchers8internal32matcher_ignoringImpCasts0Matcher7matchesERKNS_4ExprEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE[_ZNK5clang12ast_matchers8internal32matcher_ignoringImpCasts0Matcher7matchesERKNS_4ExprEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE]+0x43): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::matches(clang::ast_type_traits::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const'
/usr/bin/ld: /usr/lib/llvm-9/lib/libclangAnalysis.a(ExprMutationAnalyzer.cpp.o): in function `clang::ast_matchers::internal::matcher_hasLoopVariable0Matcher::matches(clang::CXXForRangeStmt const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const':
(.text._ZNK5clang12ast_matchers8internal31matcher_hasLoopVariable0Matcher7matchesERKNS_15CXXForRangeStmtEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE[_ZNK5clang12ast_matchers8internal31matcher_hasLoopVariable0Matcher7matchesERKNS_15CXXForRangeStmtEPNS1_14ASTMatchFinderEPNS1_21BoundNodesTreeBuilderE]+0x48): undefined reference to `clang::ast_matchers::internal::DynTypedMatcher::matches(clang::ast_type_traits::DynTypedNode const&, clang::ast_matchers::internal::ASTMatchFinder*, clang::ast_matchers::internal::BoundNodesTreeBuilder*) const'
...
# export PERF_TARBALL=http://192.168.124.1/perf/perf-5.7.0-rc7.tar.xz
# time dm
1 alpine:3.4 : Ok gcc (Alpine 5.3.0) 5.3.0, clang version 3.8.0 (tags/RELEASE_380/final)
2 alpine:3.5 : Ok gcc (Alpine 6.2.1) 6.2.1 20160822, clang version 3.8.1 (tags/RELEASE_381/final)
3 alpine:3.6 : Ok gcc (Alpine 6.3.0) 6.3.0, clang version 4.0.0 (tags/RELEASE_400/final)
4 alpine:3.7 : Ok gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.0 (tags/RELEASE_500/final) (based on LLVM 5.0.0)
5 alpine:3.8 : Ok gcc (Alpine 6.4.0) 6.4.0, Alpine clang version 5.0.1 (tags/RELEASE_501/final) (based on LLVM 5.0.1)
6 alpine:3.9 : Ok gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 5.0.1 (tags/RELEASE_502/final) (based on LLVM 5.0.1)
7 alpine:3.10 : Ok gcc (Alpine 8.3.0) 8.3.0, Alpine clang version 8.0.0 (tags/RELEASE_800/final) (based on LLVM 8.0.0)
8 alpine:3.11 : Ok gcc (Alpine 9.2.0) 9.2.0, Alpine clang version 9.0.0 (https://git.alpinelinux.org/aports f7f0d2c2b8bcd6a5843401a9a702029556492689) (based on LLVM 9.0.0)
9 alpine:3.12 : Ok gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (https://gitlab.alpinelinux.org/alpine/aports.git 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
10 alpine:edge : Ok gcc (Alpine 9.3.0) 9.3.0, Alpine clang version 10.0.0 (git://git.alpinelinux.org/aports 7445adce501f8473efdb93b17b5eaf2f1445ed4c)
11 alt:p8 : Ok x86_64-alt-linux-gcc (GCC) 5.3.1 20151207 (ALT p8 5.3.1-alt3.M80P.1), clang version 3.8.0 (tags/RELEASE_380/final)
12 alt:p9 : Ok x86_64-alt-linux-gcc (GCC) 8.4.1 20200305 (ALT p9 8.4.1-alt0.p9.1), clang version 7.0.1
13 alt:sisyphus : Ok x86_64-alt-linux-gcc (GCC) 9.2.1 20200123 (ALT Sisyphus 9.2.1-alt3), clang version 10.0.0
14 amazonlinux:1 : Ok gcc (GCC) 7.2.1 20170915 (Red Hat 7.2.1-2), clang version 3.6.2 (tags/RELEASE_362/final)
15 amazonlinux:2 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 7.0.1 (Amazon Linux 2 7.0.1-1.amzn2.0.2)
16 android-ndk:r12b-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
17 android-ndk:r15c-arm : Ok arm-linux-androideabi-gcc (GCC) 4.9.x 20150123 (prerelease)
18 centos:5 : Ok gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-55)
19 centos:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23)
20 centos:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39)
21 centos:8 : Ok gcc (GCC) 8.3.1 20190507 (Red Hat 8.3.1-4), clang version 8.0.1 (Red Hat 8.0.1-1.module_el8.1.0+215+a01033fb)
22 clearlinux:latest : Ok gcc (Clear Linux OS for Intel Architecture) 9.3.1 20200501 releases/gcc-9.3.0-196-gcb2c76c8b1, clang version 10.0.0
23 debian:8 : Ok gcc (Debian 4.9.2-10+deb8u2) 4.9.2, Debian clang version 3.5.0-10 (tags/RELEASE_350/final) (based on LLVM 3.5.0)
24 debian:9 : Ok gcc (Debian 6.3.0-18+deb9u1) 6.3.0 20170516, clang version 3.8.1-24 (tags/RELEASE_381/final)
25 debian:10 : Ok gcc (Debian 8.3.0-6) 8.3.0, clang version 7.0.1-8 (tags/RELEASE_701/final)
26 debian:experimental : FAIL gcc (Debian 9.3.0-13) 9.3.0, clang version 9.0.1-12
27 debian:experimental-x-arm64 : Ok aarch64-linux-gnu-gcc (Debian 9.3.0-8) 9.3.0
28 debian:experimental-x-mips : Ok mips-linux-gnu-gcc (Debian 8.3.0-19) 8.3.0
29 debian:experimental-x-mips64 : Ok mips64-linux-gnuabi64-gcc (Debian 9.3.0-8) 9.3.0
30 debian:experimental-x-mipsel : Ok mipsel-linux-gnu-gcc (Debian 9.2.1-8) 9.2.1 20190909
31 fedora:20 : Ok gcc (GCC) 4.8.3 20140911 (Red Hat 4.8.3-7)
32 fedora:22 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.5.0 (tags/RELEASE_350/final)
33 fedora:23 : Ok gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), clang version 3.7.0 (tags/RELEASE_370/final)
34 fedora:24 : Ok gcc (GCC) 6.3.1 20161221 (Red Hat 6.3.1-1), clang version 3.8.1 (tags/RELEASE_381/final)
35 fedora:24-x-ARC-uClibc : Ok arc-linux-gcc (ARCompact ISA Linux uClibc toolchain 2017.09-rc2) 7.1.1 20170710
36 fedora:25 : Ok gcc (GCC) 6.4.1 20170727 (Red Hat 6.4.1-1), clang version 3.9.1 (tags/RELEASE_391/final)
37 fedora:26 : Ok gcc (GCC) 7.3.1 20180130 (Red Hat 7.3.1-2), clang version 4.0.1 (tags/RELEASE_401/final)
38 fedora:27 : Ok gcc (GCC) 7.3.1 20180712 (Red Hat 7.3.1-6), clang version 5.0.2 (tags/RELEASE_502/final)
39 fedora:28 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 6.0.1 (tags/RELEASE_601/final)
40 fedora:29 : Ok gcc (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2), clang version 7.0.1 (Fedora 7.0.1-6.fc29)
41 fedora:30 : Ok gcc (GCC) 9.2.1 20190827 (Red Hat 9.2.1-1), clang version 8.0.0 (Fedora 8.0.0-3.fc30)
42 fedora:30-x-ARC-glibc : Ok arc-linux-gcc (ARC HS GNU/Linux glibc toolchain 2019.03-rc1) 8.3.1 20190225
43 fedora:30-x-ARC-uClibc : Ok arc-linux-gcc (ARCv2 ISA Linux uClibc toolchain 2019.03-rc1) 8.3.1 20190225
44 fedora:31 : Ok gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2), clang version 9.0.1 (Fedora 9.0.1-2.fc31)
45 fedora:32 : Ok gcc (GCC) 10.1.1 20200507 (Red Hat 10.1.1-1), clang version 10.0.0 (Fedora 10.0.0-1.fc32)
46 fedora:rawhide : Ok gcc (GCC) 10.0.1 20200216 (Red Hat 10.0.1-0.8), clang version 10.0.0 (Fedora 10.0.0-0.3.rc2.fc33)
47 gentoo-stage3-amd64:latest : Ok gcc (Gentoo 9.2.0-r2 p3) 9.2.0
48 mageia:5 : Ok gcc (GCC) 4.9.2, clang version 3.5.2 (tags/RELEASE_352/final)
49 mageia:6 : Ok gcc (Mageia 5.5.0-1.mga6) 5.5.0, clang version 3.9.1 (tags/RELEASE_391/final)
50 mageia:7 : Ok gcc (Mageia 8.3.1-0.20190524.1.mga7) 8.3.1 20190524, clang version 8.0.0 (Mageia 8.0.0-1.mga7)
51 manjaro:latest : Ok gcc (GCC) 9.2.0, clang version 9.0.0 (tags/RELEASE_900/final)
52 openmandriva:cooker : Ok gcc (GCC) 10.0.0 20200502 (OpenMandriva), clang version 10.0.1
53 opensuse:15.0 : Ok gcc (SUSE Linux) 7.4.1 20190424 [gcc-7-branch revision 270538], clang version 5.0.1 (tags/RELEASE_501/final 312548)
54 opensuse:15.1 : Ok gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
55 opensuse:15.2 : Ok gcc (SUSE Linux) 7.5.0, clang version 7.0.1 (tags/RELEASE_701/final 349238)
56 opensuse:42.3 : Ok gcc (SUSE Linux) 4.8.5, clang version 3.8.0 (tags/RELEASE_380/final 262553)
57 opensuse:tumbleweed : Ok gcc (SUSE Linux) 9.3.1 20200406 [revision 6db837a5288ee3ca5ec504fbd5a765817e556ac2], clang version 10.0.0
58 oraclelinux:6 : Ok gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-23.0.1)
59 oraclelinux:7 : Ok gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-39.0.3)
60 oraclelinux:8 : Ok gcc (GCC) 8.3.1 20191121 (Red Hat 8.3.1-5.0.3), clang version 9.0.1 (Red Hat 9.0.1-2.0.1.module+el8.2.0+5599+9ed9ef6d)
61 ubuntu:12.04 : Ok gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3, Ubuntu clang version 3.0-6ubuntu3 (tags/RELEASE_30/final) (based on LLVM 3.0)
62 ubuntu:14.04 : Ok gcc (Ubuntu 4.8.4-2ubuntu1~14.04.4) 4.8.4
63 ubuntu:16.04 : Ok gcc (Ubuntu 5.4.0-6ubuntu1~16.04.12) 5.4.0 20160609, clang version 3.8.0-2ubuntu4 (tags/RELEASE_380/final)
64 ubuntu:16.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
65 ubuntu:16.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
66 ubuntu:16.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
67 ubuntu:16.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
68 ubuntu:16.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu/IBM 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
69 ubuntu:16.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609
70 ubuntu:18.04 : Ok gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0, clang version 6.0.0-1ubuntu2 (tags/RELEASE_600/final)
71 ubuntu:18.04-x-arm : Ok arm-linux-gnueabihf-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
72 ubuntu:18.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 7.5.0-3ubuntu1~18.04) 7.5.0
73 ubuntu:18.04-x-m68k : Ok m68k-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
74 ubuntu:18.04-x-powerpc : Ok powerpc-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
75 ubuntu:18.04-x-powerpc64 : Ok powerpc64-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
76 ubuntu:18.04-x-powerpc64el : Ok powerpc64le-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
77 ubuntu:18.04-x-riscv64 : Ok riscv64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
78 ubuntu:18.04-x-s390 : Ok s390x-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
79 ubuntu:18.04-x-sh4 : Ok sh4-linux-gnu-gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
80 ubuntu:18.04-x-sparc64 : Ok sparc64-linux-gnu-gcc (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
81 ubuntu:18.10 : Ok gcc (Ubuntu 8.3.0-6ubuntu1~18.10.1) 8.3.0, clang version 7.0.0-3 (tags/RELEASE_700/final)
82 ubuntu:19.04 : Ok gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0, clang version 8.0.0-3 (tags/RELEASE_800/final)
83 ubuntu:19.04-x-alpha : Ok alpha-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
84 ubuntu:19.04-x-arm64 : Ok aarch64-linux-gnu-gcc (Ubuntu/Linaro 8.3.0-6ubuntu1) 8.3.0
85 ubuntu:19.04-x-hppa : Ok hppa-linux-gnu-gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0
86 ubuntu:19.10 : FAIL gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008, clang version 9.0.0-2 (tags/RELEASE_900/final)
87 ubuntu:20.04 : Ok gcc (Ubuntu 9.3.0-10ubuntu2) 9.3.0, clang version 10.0.0-4ubuntu1
#
It builds ok with the default set of options.
The "7: Simple expression parser" entry is failing due to a bug in the
hashmap in libbpf that will hit upstream via the bpf tree.
# uname -a
Linux five 5.5.17-200.fc31.x86_64 #1 SMP Mon Apr 13 15:29:42 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
# git log --oneline -1
3e9b26dc2268 perf tools: Remove some duplicated includes
# perf version --build-options
perf version 5.7.rc7.g0affd0e5262b
dwarf: [ on ] # HAVE_DWARF_SUPPORT
dwarf_getlocations: [ on ] # HAVE_DWARF_GETLOCATIONS_SUPPORT
glibc: [ on ] # HAVE_GLIBC_SUPPORT
gtk2: [ on ] # HAVE_GTK2_SUPPORT
syscall_table: [ on ] # HAVE_SYSCALL_TABLE_SUPPORT
libbfd: [ on ] # HAVE_LIBBFD_SUPPORT
libelf: [ on ] # HAVE_LIBELF_SUPPORT
libnuma: [ on ] # HAVE_LIBNUMA_SUPPORT
numa_num_possible_cpus: [ on ] # HAVE_LIBNUMA_SUPPORT
libperl: [ on ] # HAVE_LIBPERL_SUPPORT
libpython: [ on ] # HAVE_LIBPYTHON_SUPPORT
libslang: [ on ] # HAVE_SLANG_SUPPORT
libcrypto: [ on ] # HAVE_LIBCRYPTO_SUPPORT
libunwind: [ on ] # HAVE_LIBUNWIND_SUPPORT
libdw-dwarf-unwind: [ on ] # HAVE_DWARF_SUPPORT
zlib: [ on ] # HAVE_ZLIB_SUPPORT
lzma: [ on ] # HAVE_LZMA_SUPPORT
get_cpuid: [ on ] # HAVE_AUXTRACE_SUPPORT
bpf: [ on ] # HAVE_LIBBPF_SUPPORT
aio: [ on ] # HAVE_AIO_SUPPORT
zstd: [ on ] # HAVE_ZSTD_SUPPORT
# perf test
1: vmlinux symtab matches kallsyms : Ok
2: Detect openat syscall event : Ok
3: Detect openat syscall event on all cpus : Ok
4: Read samples using the mmap interface : Ok
5: Test data source output : Ok
6: Parse event definition strings : Ok
7: Simple expression parser : FAILED!
8: PERF_RECORD_* events & perf_sample fields : Ok
9: Parse perf pmu format : Ok
10: PMU events :
10.1: PMU event table sanity : Ok
10.2: PMU event map aliases : Ok
10.3: Parsing of PMU event table metrics : Ok
11: DSO data read : Ok
12: DSO data cache : Ok
13: DSO data reopen : Ok
14: Roundtrip evsel->name : Ok
15: Parse sched tracepoints fields : Ok
16: syscalls:sys_enter_openat event fields : Ok
17: Setup struct perf_event_attr : Ok
18: Match and link multiple hists : Ok
19: 'import perf' in python : Ok
20: Breakpoint overflow signal handler : Ok
21: Breakpoint overflow sampling : Ok
22: Breakpoint accounting : Ok
23: Watchpoint :
23.1: Read Only Watchpoint : Skip
23.2: Write Only Watchpoint : Ok
23.3: Read / Write Watchpoint : Ok
23.4: Modify Watchpoint : Ok
24: Number of exit events of a simple workload : Ok
25: Software clock events period values : Ok
26: Object code reading : Ok
27: Sample parsing : Ok
28: Use a dummy software event to keep tracking : Ok
29: Parse with no sample_id_all bit set : Ok
30: Filter hist entries : Ok
31: Lookup mmap thread : Ok
32: Share thread maps : Ok
33: Sort output of hist entries : Ok
34: Cumulate child hist entries : Ok
35: Track with sched_switch : Ok
36: Filter fds with revents mask in a fdarray : Ok
37: Add fd to a fdarray, making it autogrow : Ok
38: kmod_path__parse : Ok
39: Thread map : Ok
40: LLVM search and compile :
40.1: Basic BPF llvm compile : Ok
40.2: kbuild searching : Ok
40.3: Compile source for BPF prologue generation : Ok
40.4: Compile source for BPF relocation : Ok
41: Session topology : Ok
42: BPF filter :
42.1: Basic BPF filtering : Ok
42.2: BPF pinning : Ok
42.3: BPF prologue generation : Ok
42.4: BPF relocation checker : Ok
43: Synthesize thread map : Ok
44: Remove thread map : Ok
45: Synthesize cpu map : Ok
46: Synthesize stat config : Ok
47: Synthesize stat : Ok
48: Synthesize stat round : Ok
49: Synthesize attr update : Ok
50: Event times : Ok
51: Read backward ring buffer : Ok
52: Print cpu map : Ok
53: Merge cpu map : Ok
54: Probe SDT events : Ok
55: is_printable_array : Ok
56: Print bitmap : Ok
57: perf hooks : Ok
58: builtin clang support : Skip (not compiled in)
59: unit_number__scnprintf : Ok
60: mem2node : Ok
61: time utils : Ok
62: Test jit_write_elf : Ok
63: Test libpfm4 support : Skip (not compiled in)
64: Test api io : Ok
65: maps__merge_in : Ok
66: Demangle Java : Ok
67: x86 rdpmc : Ok
68: Convert perf time to TSC : Ok
69: DWARF unwind : Ok
70: x86 instruction decoder - new instructions : Ok
71: Intel PT packet decoder : Ok
72: x86 bp modify : Ok
73: probe libc's inet_pton & backtrace it with ping : Ok
74: Use vfs_getname probe to get syscall args filenames : Ok
75: Check open filename arg using perf trace + vfs_getname: Ok
76: Zstd perf.data compression/decompression : Ok
77: Add vfs_getname probe to get syscall args filenames : Ok
#
[acme@five perf]$ git log --oneline -1 ; time make -C tools/perf build-test
3e9b26dc2268 (HEAD -> perf/core, seventh/perf/core, quaco/perf/core) perf tools: Remove some duplicated includes
make: Entering directory '/home/acme/git/perf/tools/perf'
- tarpkg: ./tests/perf-targz-src-pkg .
make_no_libbpf_DEBUG_O: make NO_LIBBPF=1 DEBUG=1
make_with_clangllvm_O: make LIBCLANGLLVM=1
make_no_auxtrace_O: make NO_AUXTRACE=1
make_no_demangle_O: make NO_DEMANGLE=1
make_clean_all_O: make clean all
make_util_pmu_bison_o_O: make util/pmu-bison.o
make_no_newt_O: make NO_NEWT=1
make_no_gtk2_O: make NO_GTK2=1
make_no_libbpf_O: make NO_LIBBPF=1
make_no_libaudit_O: make NO_LIBAUDIT=1
make_perf_o_O: make perf.o
make_no_libelf_O: make NO_LIBELF=1
make_static_O: make LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1
make_install_O: make install
make_no_libpython_O: make NO_LIBPYTHON=1
make_no_libunwind_O: make NO_LIBUNWIND=1
make_no_libdw_dwarf_unwind_O: make NO_LIBDW_DWARF_UNWIND=1
make_no_scripts_O: make NO_LIBPYTHON=1 NO_LIBPERL=1
make_with_libpfm4_O: make LIBPFM4=1
make_pure_O: make
make_doc_O: make doc
make_no_sdt_O: make NO_SDT=1
make_no_slang_O: make NO_SLANG=1
make_no_syscall_tbl_O: make NO_SYSCALL_TABLE=1
make_install_bin_O: make install-bin
make_no_libperl_O: make NO_LIBPERL=1
make_install_prefix_slash_O: make install prefix=/tmp/krava/
make_install_prefix_O: make install prefix=/tmp/krava
make_no_ui_O: make NO_NEWT=1 NO_SLANG=1 NO_GTK2=1
make_no_libnuma_O: make NO_LIBNUMA=1
make_minimal_O: make NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 NO_LIBCAP=1 NO_SYSCALL_TABLE=1
make_with_babeltrace_O: make LIBBABELTRACE=1
make_help_O: make help
make_no_libcrypto_O: make NO_LIBCRYPTO=1
make_debug_O: make DEBUG=1
make_no_libbionic_O: make NO_LIBBIONIC=1
make_no_backtrace_O: make NO_BACKTRACE=1
make_tags_O: make tags
make_util_map_o_O: make util/map.o
OK
make: Leaving directory '/home/acme/git/perf/tools/perf'
[acme@five perf]$
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Merge tag 'perf-tools-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tooling updates from Arnaldo Carvalho de Melo:
"These are additional changes to the perf tools, on top of what Ingo
already submitted.
- Further Intel PT call-trace fixes
- Improve SELinux docs and tool warnings
- Fix race at exit in 'perf record' using eventfd.
- Add missing build tests to the default set of 'make -C tools/perf
build-test'
- Sync msr-index.h getting new AMD MSRs to decode and filter in 'perf
trace'.
- Fix fallback to libaudit in 'perf trace' for arches not using
per-arch *.tbl files.
- Fixes for 'perf ftrace'.
- Fixes and improvements for the 'perf stat' metrics.
- Use dummy event to get PERF_RECORD_{FORK,MMAP,etc} while
synthesizing those metadata events for pre-existing threads.
- Fix leaks detected using clang tooling.
- Improvements to PMU event metric testing.
- Report summary for 'perf stat' interval mode at the end, summing up
all the intervals.
- Improve pipe mode, i.e. this now works as expected, continuously
dumping samples:
# perf record -g -e raw_syscalls:sys_enter | perf --no-pager script
- Fixes for event grouping, detecting incompatible groups such as:
# perf stat -e '{cycles,power/energy-cores/}' -v
WARNING: group events cpu maps do not match, disabling group:
anon group { power/energy-cores/, cycles }
power/energy-cores/: 0
cycles: 0-7
- Fixes for 'perf probe': blacklist address checking, number of
kretprobe instances, etc.
- JIT processing improvements and fixes plus the addition of a 'perf
test' entry for the java demangler.
- Add support for synthesizing first/last level cache, TLB and remove
access events from HW tracing in the auxtrace code, first to use is
ARM SPE.
- Vendor events updates and fixes, including for POWER9 and Intel.
- Allow using ~/.perfconfig for removing the ',' separators in 'perf
stat' output.
- Opt-in support for libpfm4"
* tag 'perf-tools-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (120 commits)
perf tools: Remove some duplicated includes
perf symbols: Fix kernel maps for kcore and eBPF
tools arch x86: Sync the msr-index.h copy with the kernel sources
perf stat: Ensure group is defined on top of the same cpu mask
perf libdw: Fix off-by 1 relative directory includes
perf arm-spe: Support synthetic events
perf auxtrace: Add four itrace options
perf tools: Move arm-spe-pkt-decoder.h/c to the new dir
perf test: Initialize memory in dwarf-unwind
perf tests: Don't tail call optimize in unwind test
tools compiler.h: Add attribute to disable tail calls
perf build: Add a LIBPFM4=1 build test entry
perf tools: Add optional support for libpfm4
perf tools: Correct license on jsmn JSON parser
perf jit: Fix inaccurate DWARF line table
perf jvmti: Remove redundant jitdump line table entries
perf build: Add NO_SDT=1 to the default set of build tests
perf build: Add NO_LIBCRYPTO=1 to the default set of build tests
perf build: Add NO_SYSCALL_TABLE=1 to the build tests
perf build: Remove libaudit from the default feature checks
...
The atomisp_mrfld_power() function isn't actually ever called, because
the two call-sites have commented out the use because it breaks on some
platforms. That results in:
drivers/staging/media/atomisp/pci/atomisp_v4l2.c:764:12: warning: ‘atomisp_mrfld_power’ defined but not used [-Wunused-function]
764 | static int atomisp_mrfld_power(struct atomisp_device *isp, bool enable)
| ^~~~~~~~~~~~~~~~~~~
during the build.
Rather than commenting out the use entirely, just disable it
semantically instead (using a "0 &&" construct), leaving the call in
place from a syntax standpoint, and avoiding the warning.
I really don't want my builds to have any warnings that can then hide
real issues.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'media/v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- Media documentation is now split into admin-guide, driver-api and
userspace-api books (a longstanding request from Jon);
- The media Kconfig was reorganized, in order to make easier to select
drivers and their dependencies;
- The testing drivers now has a separate directory;
- added a new driver for Rockchip Video Decoder IP;
- The atomisp staging driver was resurrected. It is meant to work with
4 generations of cameras on Atom-based laptops, tablets and cell
phones. So, it seems worth investing time to cleanup this driver and
making it in good shape.
- Added some V4L2 core ancillary routines to help with h264 codecs;
- Added an ov2740 image sensor driver;
- The si2157 gained support for Analog TV, which, in turn, added
support for some cx231xx and cx23885 boards to also support analog
standards;
- Added some V4L2 controls (V4L2_CID_CAMERA_ORIENTATION and
V4L2_CID_CAMERA_SENSOR_ROTATION) to help identifying where the camera
is located at the device;
- VIDIOC_ENUM_FMT was extended to support MC-centric devices;
- Lots of drivers improvements and cleanups.
* tag 'media/v5.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (503 commits)
media: Documentation: media: Refer to mbus format documentation from CSI-2 docs
media: s5k5baf: Replace zero-length array with flexible-array
media: i2c: imx219: Drop <linux/clk-provider.h> and <linux/clkdev.h>
media: i2c: Add ov2740 image sensor driver
media: ov8856: Implement sensor module revision identification
media: ov8856: Add devicetree support
media: dt-bindings: ov8856: Document YAML bindings
media: dvb-usb: Add Cinergy S2 PCIe Dual Port support
media: dvbdev: Fix tuner->demod media controller link
media: dt-bindings: phy: phy-rockchip-dphy-rx0: move rockchip dphy rx0 bindings out of staging
media: staging: dt-bindings: phy-rockchip-dphy-rx0: remove non-used reg property
media: atomisp: unify the version for isp2401 a0 and b0 versions
media: atomisp: update TODO with the current data
media: atomisp: adjust some code at sh_css that could be broken
media: atomisp: don't produce errs for ignored IRQs
media: atomisp: print IRQ when debugging
media: atomisp: isp_mmu: don't use kmem_cache
media: atomisp: add a notice about possible leak resources
media: atomisp: disable the dynamic and reserved pools
media: atomisp: turn on camera before setting it
...
Merge more updates from Andrew Morton:
"More mm/ work, plenty more to come
Subsystems affected by this patch series: slub, memcg, gup, kasan,
pagealloc, hugetlb, vmscan, tools, mempolicy, memblock, hugetlbfs,
thp, mmap, kconfig"
* akpm: (131 commits)
arm64: mm: use ARCH_HAS_DEBUG_WX instead of arch defined
x86: mm: use ARCH_HAS_DEBUG_WX instead of arch defined
riscv: support DEBUG_WX
mm: add DEBUG_WX support
drivers/base/memory.c: cache memory blocks in xarray to accelerate lookup
mm/thp: rename pmd_mknotpresent() as pmd_mkinvalid()
powerpc/mm: drop platform defined pmd_mknotpresent()
mm: thp: don't need to drain lru cache when splitting and mlocking THP
hugetlbfs: get unmapped area below TASK_UNMAPPED_BASE for hugetlbfs
sparc32: register memory occupied by kernel as memblock.memory
include/linux/memblock.h: fix minor typo and unclear comment
mm, mempolicy: fix up gup usage in lookup_node
tools/vm/page_owner_sort.c: filter out unneeded line
mm: swap: memcg: fix memcg stats for huge pages
mm: swap: fix vmstats for huge pages
mm: vmscan: limit the range of LRU type balancing
mm: vmscan: reclaim writepage is IO cost
mm: vmscan: determine anon/file pressure balance at the reclaim root
mm: balance LRU lists based on relative thrashing
mm: only count actual rotations as LRU reclaim cost
...
Extract DEBUG_WX to mm/Kconfig.debug for shared use. Change to use
ARCH_HAS_DEBUG_WX instead of DEBUG_WX defined by arch port.
Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Link: http://lkml.kernel.org/r/e19709e7576f65e303245fe520cad5f7bae72763.1587455584.git.zong.li@sifive.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Extract DEBUG_WX to mm/Kconfig.debug for shared use. Change to use
ARCH_HAS_DEBUG_WX instead of DEBUG_WX defined by arch port.
Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Link: http://lkml.kernel.org/r/430736828d149df3f5b462d291e845ec690e0141.1587455584.git.zong.li@sifive.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Support DEBUG_WX to check whether there are mapping with write and execute
permission at the same time.
[akpm@linux-foundation.org: replace macros with C]
Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Link: http://lkml.kernel.org/r/282e266311bced080bc6f7c255b92f87c1eb65d6.1587455584.git.zong.li@sifive.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Searching for a particular memory block by id is an O(n) operation because
each memory block's underlying device is kept in an unsorted linked list
on the subsystem bus.
We can cut the lookup cost to O(log n) if we cache each memory block
in an xarray. This time complexity improvement is significant on
systems with many memory blocks. For example:
1. A 128GB POWER9 VM with 256MB memblocks has 512 blocks. With this
change memory_dev_init() completes ~12ms faster and walk_memory_blocks()
completes ~12ms faster.
Before:
[ 0.005042] memory_dev_init: adding memory blocks
[ 0.021591] memory_dev_init: added memory blocks
[ 0.022699] walk_memory_blocks: walking memory blocks
[ 0.038730] walk_memory_blocks: walked memory blocks 0-511
After:
[ 0.005057] memory_dev_init: adding memory blocks
[ 0.009415] memory_dev_init: added memory blocks
[ 0.010519] walk_memory_blocks: walking memory blocks
[ 0.014135] walk_memory_blocks: walked memory blocks 0-511
2. A 256GB POWER9 LPAR with 256MB memblocks has 1024 blocks. With
this change memory_dev_init() completes ~88ms faster and
walk_memory_blocks() completes ~87ms faster.
Before:
[ 0.252246] memory_dev_init: adding memory blocks
[ 0.395469] memory_dev_init: added memory blocks
[ 0.409413] walk_memory_blocks: walking memory blocks
[ 0.433028] walk_memory_blocks: walked memory blocks 0-511
[ 0.433094] walk_memory_blocks: walking memory blocks
[ 0.500244] walk_memory_blocks: walked memory blocks 131072-131583
After:
[ 0.245063] memory_dev_init: adding memory blocks
[ 0.299539] memory_dev_init: added memory blocks
[ 0.313609] walk_memory_blocks: walking memory blocks
[ 0.315287] walk_memory_blocks: walked memory blocks 0-511
[ 0.315349] walk_memory_blocks: walking memory blocks
[ 0.316988] walk_memory_blocks: walked memory blocks 131072-131583
3. A 32TB POWER9 LPAR with 256MB memblocks has 131072 blocks. With
this change we complete memory_dev_init() ~37 minutes faster and
walk_memory_blocks() at least ~30 minutes faster. The exact timing
for walk_memory_blocks() is missing, though I observed that the
soft lockups in walk_memory_blocks() disappeared with the change,
suggesting that lower bound.
Before:
[ 13.703907] memory_dev_init: adding blocks
[ 2287.406099] memory_dev_init: added all blocks
[ 2347.494986] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 2527.625378] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 2707.761977] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 2887.899975] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 3068.028318] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 3248.158764] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 3428.287296] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 3608.425357] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 3788.554572] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 3968.695071] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
[ 4148.823970] [c000000014c5bb60] [c000000000869af4] walk_memory_blocks+0x94/0x160
After:
[ 13.696898] memory_dev_init: adding blocks
[ 15.660035] memory_dev_init: added all blocks
(the walk_memory_blocks traces disappear)
There should be no significant negative impact for machines with few
memory blocks. A sparse xarray has a small footprint and an O(log n)
lookup is negligibly slower than an O(n) lookup for only the smallest
number of memory blocks.
1. A 16GB x86 machine with 128MB memblocks has 132 blocks. With this
change memory_dev_init() completes ~300us faster and walk_memory_blocks()
completes no faster or slower. The improvement is pretty close to noise.
Before:
[ 0.224752] memory_dev_init: adding memory blocks
[ 0.227116] memory_dev_init: added memory blocks
[ 0.227183] walk_memory_blocks: walking memory blocks
[ 0.227183] walk_memory_blocks: walked memory blocks 0-131
After:
[ 0.224911] memory_dev_init: adding memory blocks
[ 0.226935] memory_dev_init: added memory blocks
[ 0.227089] walk_memory_blocks: walking memory blocks
[ 0.227089] walk_memory_blocks: walked memory blocks 0-131
[david@redhat.com: document the locking]
Link: http://lkml.kernel.org/r/bc21eec6-7251-4c91-2f57-9a0671f8d414@redhat.com
Signed-off-by: Scott Cheloha <cheloha@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: Nathan Lynch <nathanl@linux.ibm.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Rick Lindsley <ricklind@linux.vnet.ibm.com>
Cc: Scott Cheloha <cheloha@linux.ibm.com>
Link: http://lkml.kernel.org/r/20200121231028.13699-1-cheloha@linux.ibm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
pmd_present() is expected to test positive after pmdp_mknotpresent() as
the PMD entry still points to a valid huge page in memory.
pmdp_mknotpresent() implies that given PMD entry is just invalidated from
MMU perspective while still holding on to pmd_page() referred valid huge
page thus also clearing pmd_present() test. This creates the following
situation which is counter intuitive.
[pmd_present(pmd_mknotpresent(pmd)) = true]
This renames pmd_mknotpresent() as pmd_mkinvalid() reflecting the helper's
functionality more accurately while changing the above mentioned situation
as follows. This does not create any functional change.
[pmd_present(pmd_mkinvalid(pmd)) = true]
This is not applicable for platforms that define own pmdp_invalidate() via
__HAVE_ARCH_PMDP_INVALIDATE. Suggestion for renaming came during a
previous discussion here.
https://patchwork.kernel.org/patch/11019637/
[anshuman.khandual@arm.com: change pmd_mknotvalid() to pmd_mkinvalid() per Will]
Link: http://lkml.kernel.org/r/1587520326-10099-3-git-send-email-anshuman.khandual@arm.com
Suggested-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Will Deacon <will@kernel.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Link: http://lkml.kernel.org/r/1584680057-13753-3-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Patch series "mm/thp: Rename pmd_mknotpresent() as pmd_mknotvalid()", v2.
This series renames pmd_mknotpresent() as pmd_mknotvalid(). Before that
it drops an existing pmd_mknotpresent() definition from powerpc platform
which was never required as it defines it's pmdp_invalidate() through
subscribing __HAVE_ARCH_PMDP_INVALIDATE. This does not create any
functional change.
This rename was suggested by Catalin during a previous discussion while we
were trying to change the THP helpers on arm64 platform for migration.
https://patchwork.kernel.org/patch/11019637/
This patch (of 2):
Platform needs to define pmd_mknotpresent() for generic pmdp_invalidate()
only when __HAVE_ARCH_PMDP_INVALIDATE is not subscribed. Otherwise
platform specific pmd_mknotpresent() is not required. Hence just drop it.
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1587520326-10099-1-git-send-email-anshuman.khandual@arm.com
Link: http://lkml.kernel.org/r/1584680057-13753-1-git-send-email-anshuman.khandual@arm.com
Link: http://lkml.kernel.org/r/1584680057-13753-2-git-send-email-anshuman.khandual@arm.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since commit 8f182270dfec ("mm/swap.c: flush lru pvecs on compound page
arrival") THP would not stay in pagevec anymore. So the optimization made
by commit d965432234db ("thp: increase split_huge_page() success rate")
doesn't make sense anymore, which tries to unpin munlocked THPs from
pagevec by draining pagevec.
Draining lru cache before isolating THP in mlock path is also unnecessary.
b676b293fb48 ("mm, thp: fix mapped pages avoiding unevictable list on
mlock") added it and 9a73f61bdb8a ("thp, mlock: do not mlock PTE-mapped
file huge pages") accidentally carried it over after the above
optimization went in.
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Daniel Jordan <daniel.m.jordan@oracle.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Link: http://lkml.kernel.org/r/1585946493-7531-1-git-send-email-yang.shi@linux.alibaba.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Jiri Kosina
Ikjoon Jang
Alexander A. Klimov
Grant Likely
Hans de Goede
Maciej S. Szmigiero
Mazin Rezk
Kai-Heng Feng
James Hilliard
David Rheinsberg
Rodrigo Rivas Costa
Dmitry Torokhov
Caiyuan Xie
Sebastian Parschauer
Peter Hutterer
Federico Ricchiuto
Colin Ian King
Linus Torvalds
Zong Li
Scott Cheloha
Anshuman Khandual
Yang Shi