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hid_connect() will call hid_pidff_init() which does
hid_device_io_start() leading to an "io already started" warning.
To fix this call hid_device_io_stop() before calling hid_connect(),
stopping IO means that connect events may be lost while hid_connect()
runs, re-enable IO and move the hidpp_connect_event() work queuing
after the hid_connect().
Note re-enabling IO is also necessary for the g920_get_config()
call later during hidpp_probe().
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231025190151.302376-1-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
HIDPP unifying is only checked once in probe() and it is also
set by probe() itself.
Drop the quirk and replace its one check by the condition which is
used to set the quirk in the first place.
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-13-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Drop delayed_work_cb() instead make hidpp_connect_event() the workqueue
function itself.
Besides resulting in a small cleanup this will hopefully also make
it clearer that going forward hidpp_connect_event() should only
be run from a workqueue and not be directly invoked.
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-12-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
There is a connect event race in hidpp_probe() in these 2 lines:
connected = hidpp_root_get_protocol_version(hidpp) == 0;
atomic_set(&hidpp->connected, connected);
Specifically the following can happen:
1. This line from hidpp_probe() is executed:
connected = hidpp_root_get_protocol_version(hidpp) == 0;
and sets connected to false;
2. A connect-event packet is received and does:
atomic_set(&hidpp->connected, true);
3. The next line from hidpp_probe() is executed:
atomic_set(&hidpp->connected, connected);
and sets the atomic_t back to 0 again.
4. hidpp_connect_event() runs and sees the connected device
as disconnected because of this.
To fix this make hidpp_connect_event() query the connection status
of the device itself instead of having it rely on possibly stale
data cached in struct hidpp_device.
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-11-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Remove the unused connected function parameter from wtp_connect(),
m560_send_config_command() and k400_connect().
This is a preparation patch for moving all connected state handling
to hidpp_connect_event().
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-10-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Turn hidpp_overwrite_name() into a hidpp_non_unifying_init() helper
which takes care of setting both the name and the serial for non
unifying devices.
This mirrors the hidpp_unifying_init() helper for unifying devices.
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-8-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Move the hidpp_overwrite_name() call to before the connect check, this
puts it at the same place in the probe() order as hidpp_serial_init()
which seems more logical. This should not make a difference since this
is in the non-unifying path and only unifying devices can be probed
in non-connected state.
This is a preparation patch for moving all connected state handling
to hidpp_connect_event().
Doing this before the connect check requires dropping the protocol
version check since protocol_major is not set yet now. Instead
this relies on hidpp_root_get_feature(HIDPP_PAGE_GET_DEVICE_NAME_TYPE)
failing on older devices, just like how hidpp_get_serial() relies on
hidpp_root_get_feature(HIDPP_PAGE_DEVICE_INFORMATION) failing on older
devices. So this again makes the code more consistent.
Also stop printing an error on failure now, since with the proto
version check gone failures are expected to happen on older devices.
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-7-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
The data retrieved by g920_get_config() is only used by hidpp_ff_init().
Now that the hw is kept open till the end of probe() the g920_get_config()
call can be moved to just before hidpp_ff_init() to have all
the HIDPP_QUIRK_CLASS_G920 together in a single place.
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-6-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
For WTP devices which start disconnected (paired with the unifying
receiver, but not connected atm) hidpp_connect_event() takes care
of calling wtp_get_config() when the device later connects.
There is no need to have a separate code path for WTP devices which
are connected at probe() time, these can use the same code-path since
probe() will queue hidpp_connect_event() for those at probe time.
Drop the unnecessary wtp_get_config() call from probe().
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-5-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Calling get_wireless_feature_index() from probe() causes
the wireless_feature_index to only get set for unifying devices which
are already connected at probe() time. It does not get set for devices
which connect later.
Fix this by moving get_wireless_feature_index() to hidpp_connect_event(),
this does not make a difference for devices connected at probe() since
probe() will queue the hidpp_connect_event() for those at probe time.
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Fixes: 0da0a63b7cba ("HID: logitech-hidpp: Support WirelessDeviceStatus connect events")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-4-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Commit 91cf9a98ae41 ("HID: logitech-hidpp: make .probe usbhid capable")
makes hidpp_probe() first call hid_hw_start(hdev, 0) to allow IO
without connecting any hid subdrivers (hid-input, hidraw).
This is done to allow to retrieve the device's name and serial number
and store these in hdev->name and hdev->uniq.
Then later on IO was stopped and started again with hid_hw_start(hdev,
HID_CONNECT_DEFAULT) connecting hid-input and hidraw after the name
and serial number have been setup.
Commit 498ba2069035 ("HID: logitech-hidpp: Don't restart communication
if not necessary") changed the probe() code to only do the start with
a 0 connect-mask + restart later for unifying devices.
But for non unifying devices hdev->name and hdev->uniq are updated too.
So this change re-introduces the problem for which the start with
a 0 connect-mask + restart later behavior was introduced.
The previous patch in this series changes the unifying path to instead of
restarting IO only call hid_connect() later. This avoids possible issues
with restarting IO seen on non unifying devices.
Revert the change to limit the restart behavior to unifying devices to
fix hdev->name changing after userspace facing devices have already been
registered.
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Fixes: 498ba2069035 ("HID: logitech-hidpp: Don't restart communication if not necessary")
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-3-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Restarting IO causes 2 problems:
1. Some devices do not like IO being restarted this was addressed in
commit 498ba2069035 ("HID: logitech-hidpp: Don't restart communication
if not necessary"), but that change has issues of its own and needs to
be reverted.
2. Restarting IO and specifically calling hid_device_io_stop() causes
received packets to be missed, which may cause connect-events to
get missed.
Restarting IO was introduced in commit 91cf9a98ae41 ("HID: logitech-hidpp:
make .probe usbhid capable") to allow to retrieve the device's name and
serial number and store these in hdev->name and hdev->uniq before
connecting any hid subdrivers (hid-input, hidraw) exporting this info
to userspace.
But this does not require restarting IO, this merely requires deferring
calling hid_connect(). Calling hid_hw_start() with a connect-mask of
0 makes it skip calling hid_connect(), so hidpp_probe() can simply call
hid_connect() later without needing to restart IO.
Remove the stop + restart of IO and instead just call hid_connect() later
to avoid the issues caused by restarting IO.
Now that IO is no longer stopped, hid_hw_close() must be called at the end
of probe() to balance the hid_hw_open() done at the beginning probe().
This series has been tested on the following devices:
Logitech Bluetooth Laser Travel Mouse (bluetooth, HID++ 1.0)
Logitech M720 Triathlon (bluetooth, HID++ 4.5)
Logitech M720 Triathlon (unifying, HID++ 4.5)
Logitech K400 Pro (unifying, HID++ 4.1)
Logitech K270 (eQUAD nano Lite, HID++ 2.0)
Logitech M185 (eQUAD nano Lite, HID++ 4.5)
Logitech LX501 keyboard (27 Mhz, HID++ builtin scroll-wheel, HID++ 1.0)
Logitech M-RAZ105 mouse (27 Mhz, HID++ extra mouse buttons, HID++ 1.0)
And by bentiss:
Logitech Touchpad T650 (unifying)
Logitech Touchpad T651 (bluetooth)
Logitech MX Master 3B (BLE)
Logitech G403 (plain USB / Gaming receiver)
Fixes: 498ba2069035 ("HID: logitech-hidpp: Don't restart communication if not necessary")
Suggested-by: Benjamin Tissoires <bentiss@kernel.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20231010102029.111003-2-hdegoede@redhat.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Through the usage of pm_ptr() the CONFIG_PM-dependent code will always be
compiled, protecting against bitrot.
The linker will then garbage-collect the unused function avoiding any overhead.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20231012-hid-pm_ptr-v1-4-0a71531ca93b@weissschuh.net
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Through the usage of pm_ptr() the CONFIG_PM-dependent code will always be
compiled, protecting against bitrot.
The linker will then garbage-collect the unused function avoiding any overhead.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20231012-hid-pm_ptr-v1-3-0a71531ca93b@weissschuh.net
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Through the usage of pm_ptr() the CONFIG_PM-dependent code will always be
compiled, protecting against bitrot.
The linker will then garbage-collect the unused function avoiding any overhead.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20231012-hid-pm_ptr-v1-2-0a71531ca93b@weissschuh.net
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Allow HID drivers to pass ->suspend, ->resume and ->reset_resume via
pm_ptr().
Through the usage of pm_ptr() the CONFIG_PM-dependent code will always be
compiled, protecting against bitrot.
The linker will then garbage-collect the unused function avoiding any overhead.
The only overhead in the final kernel image and at runtime are a few
extra bytes in 'struct hid_driver'.
The same approach is chosen by 'struct usb_driver' and other subsystems.
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20231012-hid-pm_ptr-v1-1-0a71531ca93b@weissschuh.net
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
The USB Compact Keyboard variant requires a reset_resume function to
restore keyboard configuration after a suspend in some situations. Move
configuration normally done on probe to lenovo_features_set_cptkbd(), then
recycle this for use on reset_resume.
Without, the keyboard and driver would end up in an inconsistent state,
breaking middle-button scrolling amongst other problems, and twiddling
sysfs values wouldn't help as the middle-button mode won't be set until
the driver is reloaded.
Tested on a USB and Bluetooth Thinkpad Compact Keyboard.
CC: stable@vger.kernel.org
Fixes: 94eefa271323 ("HID: lenovo: Use native middle-button mode for compact keyboards")
Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Link: https://lore.kernel.org/r/20231002150914.22101-1-martink@posteo.de
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
Previously cp2112_gpio_irq_shutdown() always cancelled the
gpio_poll_worker, even if other IRQs were still active, and did not set
the gpio_poll flag to false. This resulted in any call to _shutdown()
resulting in interrupts no longer functioning on the chip until a
_remove() occurred (a.e. the cp2112 is unplugged or system rebooted).
Only cancel polling if all IRQs are disabled/masked, and correctly set
the gpio_poll flag, allowing polling to restart when an interrupt is
next enabled.
Signed-off-by: Danny Kaehn <danny.kaehn@plexus.com>
Fixes: 13de9cca514e ("HID: cp2112: add IRQ chip handling")
Link: https://lore.kernel.org/r/20231011182317.1053344-1-danny.kaehn@plexus.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Merge tag 'for-linus-2023101101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID fixes from Benjamin Tissoires:
- regression fix for i2c-hid when used on DT platforms (Johan Hovold)
- kernel crash fix on removal of the Logitech USB receiver (Hans de
Goede)
* tag 'for-linus-2023101101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect
HID: i2c-hid: fix handling of unpopulated devices
Turns out that we were relying on the globally installed headers, not
the ones we freshly compiled.
Add a manual include in CFLAGS to sort this out.
Tested-by: Nick Desaulniers <ndesaulniers@google.com> # Build
Tested-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20230825-wip-selftests-v3-3-639963c54109@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
"make headers" is a requirement before calling make on the selftests
dir, so we should not have to manually install those headers
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Nick Desaulniers <ndesaulniers@google.com> # Build
Tested-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20230825-wip-selftests-v3-2-639963c54109@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
For the hid-bpf tests to compile, we need to have the definition of
struct hid_bpf_ctx. This definition is an internal one from the kernel
and it is supposed to be defined in the generated vmlinux.h.
This vmlinux.h header is generated based on the currently running kernel
or if the kernel was already compiled in the tree. If you just compile
the selftests without compiling the kernel beforehand and you are running
on a 6.2 kernel, you'll end up with a vmlinux.h without the hid_bpf_ctx
definition.
Use the clever trick from tools/testing/selftests/bpf/progs/bpf_iter.h
to force the definition of that symbol in case we don't find it in the
BTF and also add __attribute__((preserve_access_index)) to further
support CO-RE functionality for these tests.
Signed-off-by: Justin Stitt <justinstitt@google.com>
Tested-by: Nick Desaulniers <ndesaulniers@google.com> # Build
Tested-by: Justin Stitt <justinstitt@google.com>
Link: https://lore.kernel.org/r/20230825-wip-selftests-v3-1-639963c54109@kernel.org
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Merge tag 'xsa441-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fix from Juergen Gross:
"A fix for the xen events driver:
Closing of an event channel in the Linux kernel can result in a
deadlock. This happens when the close is being performed in parallel
to an unrelated Xen console action and the handling of a Xen console
interrupt in an unprivileged guest.
The closing of an event channel is e.g. triggered by removal of a
paravirtual device on the other side. As this action will cause
console messages to be issued on the other side quite often, the
chance of triggering the deadlock is not negligible"
* tag 'xsa441-6.6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/events: replace evtchn_rwlock with RCU
Static calls invocations aren't well supported from module __init and
__exit functions. Especially the static call from cleanup_trusted() led
to a crash on x86 kernel with CONFIG_DEBUG_VIRTUAL=y.
However, the usage of static call invocations for trusted_key_init()
and trusted_key_exit() don't add any value from either a performance or
security perspective. Hence switch to use indirect function calls instead.
Note here that although it will fix the current crash report, ultimately
the static call infrastructure should be fixed to either support its
future usage from module __init and __exit functions or not.
Reported-and-tested-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Link: https://lore.kernel.org/lkml/ZRhKq6e5nF%2F4ZIV1@fedora/#t
Fixes: 5d0682be3189 ("KEYS: trusted: Add generic trusted keys framework")
Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- Fix the fail of the Qualcomm PDC driver on v3.2 hardware which is
caused by a control bit being moved to a different location
- Update the SM8150 device tree PDC resource so the version register can
be read
- Make the Renesas RZG2L driver correct for interrupts which are outside
of the LSB in the TSSR register by using the proper macro for
calculating the mask
- Document the Renesas RZ2GL device tree binding correctly and update
them for a few devices which faul to boot otherwise
- Use the proper accessor in the RZ2GL driver instead of blindly
dereferencing an unchecked pointer
- Make GICv3 handle the dma-non-coherent attribute correctly
- Ensure that all interrupt controller nodes on RISCV are marked as
initialized correctly
Maintainer changes:
- Add a new entry for GIC interrupt controllers and assign Marc Zyngier
as the maintainer
- Remove Marc Zyngier from the core and driver maintainer entries as he
is burried in work and short of time to handle that.
Thanks to Marc for all the great work he has done in the past couple of
years!
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Merge tag 'irq-urgent-2023-10-10-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of updates for interrupt chip drivers:
- Fix the fail of the Qualcomm PDC driver on v3.2 hardware which is
caused by a control bit being moved to a different location
- Update the SM8150 device tree PDC resource so the version register
can be read
- Make the Renesas RZG2L driver correct for interrupts which are
outside of the LSB in the TSSR register by using the proper macro
for calculating the mask
- Document the Renesas RZ2GL device tree binding correctly and update
them for a few devices which faul to boot otherwise
- Use the proper accessor in the RZ2GL driver instead of blindly
dereferencing an unchecked pointer
- Make GICv3 handle the dma-non-coherent attribute correctly
- Ensure that all interrupt controller nodes on RISCV are marked as
initialized correctly
Maintainer changes:
- Add a new entry for GIC interrupt controllers and assign Marc
Zyngier as the maintainer
- Remove Marc Zyngier from the core and driver maintainer entries as
he is burried in work and short of time to handle that.
Thanks to Marc for all the great work he has done in the past couple
of years!
Also note that commit 5873d380f4c0 ("irqchip/qcom-pdc: Add support for
v3.2 HW") has a incorrect SOB chain.
The real author is Neil. His patch was posted by Dmitry once and Neil
picked it up from the list and reposted it with the bogus SOB chain.
Not a big deal, but worth to mention. I wanted to fix that up, but
then got distracted and Marc piled more changes on top. So I decided
to leave it as is instead of rebasing world"
* tag 'irq-urgent-2023-10-10-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
MAINTAINERS: Remove myself from the general IRQ subsystem maintenance
MAINTAINERS: Add myself as the ARM GIC maintainer
irqchip/renesas-rzg2l: Convert to irq_data_get_irq_chip_data()
irqchip/stm32-exti: add missing DT IRQ flag translation
irqchip/riscv-intc: Mark all INTC nodes as initialized
irqchip/gic-v3: Enable non-coherent redistributors/ITSes DT probing
irqchip/gic-v3-its: Split allocation from initialisation of its_node
dt-bindings: interrupt-controller: arm,gic-v3: Add dma-noncoherent property
dt-bindings: interrupt-controller: renesas,irqc: Add r8a779f0 support
dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Document RZ/G2UL SoC
irqchip: renesas-rzg2l: Fix logic to clear TINT interrupt source
dt-bindings: interrupt-controller: renesas,rzg2l-irqc: Update description for '#interrupt-cells' property
arm64: dts: qcom: sm8150: extend the size of the PDC resource
irqchip/qcom-pdc: Add support for v3.2 HW
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Merge tag 'hyperv-fixes-signed-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
Pull hyperv fixes from Wei Liu:
- fixes for Hyper-V VTL code (Saurabh Sengar and Olaf Hering)
- fix hv_kvp_daemon to support keyfile based connection profile
(Shradha Gupta)
* tag 'hyperv-fixes-signed-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
hv/hv_kvp_daemon:Support for keyfile based connection profile
hyperv: reduce size of ms_hyperv_info
x86/hyperv: Add common print prefix "Hyper-V" in hv_init
x86/hyperv: Remove hv_vtl_early_init initcall
x86/hyperv: Restrict get_vtl to only VTL platforms
Here is the collection of pending fixes since a couple of weeks ago,
which became slightly bigger than usual due to my vacation.
Most of changes are about ASoC device-specific fixes while USB- and
HD-audio received quirks as usual. All fixes, including two ASoC core
changes, are reasonably small and safe to apply.
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Merge tag 'sound-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of pending fixes since a couple of weeks ago, which
became slightly bigger than usual due to my vacation.
Most of changes are about ASoC device-specific fixes while USB- and
HD-audio received quirks as usual. All fixes, including two ASoC core
changes, are reasonably small and safe to apply"
* tag 'sound-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (23 commits)
ALSA: usb-audio: Fix microphone sound on Nexigo webcam.
ALSA: hda/realtek: Change model for Intel RVP board
ALSA: usb-audio: Fix microphone sound on Opencomm2 Headset
ALSA: hda: cs35l41: Cleanup and fix double free in firmware request
ASoC: dt-bindings: fsl,micfil: Document #sound-dai-cells
ASoC: amd: yc: Fix non-functional mic on Lenovo 82YM
ASoC: tlv320adc3xxx: BUG: Correct micbias setting
ASoC: rt5682: Fix regulator enable/disable sequence
ASoC: hdmi-codec: Fix broken channel map reporting
ASoC: core: Do not call link_exit() on uninitialized rtd objects
ASoC: core: Print component name when printing log
ASoC: SOF: amd: fix for firmware reload failure after playback
ASoC: fsl-asoc-card: use integer type for fll_id and pll_id
ASoC: fsl_sai: Don't disable bitclock for i.MX8MP
dt-bindings: ASoC: rockchip: Add compatible for RK3128 spdif
ASoC: soc-generic-dmaengine-pcm: Fix function name in comment
ALSA: hda/realtek - ALC287 merge RTK codec with CS CS35L41 AMP
ASoC: simple-card: fixup asoc_simple_probe() error handling
ASoC: simple-card-utils: fixup simple_util_startup() error handling
ASoC: Intel: sof_sdw: add support for SKU 0B14
...
Ifcfg config file support in NetworkManger is deprecated. This patch
provides support for the new keyfile config format for connection
profiles in NetworkManager. The patch modifies the hv_kvp_daemon code
to generate the new network configuration in keyfile
format(.ini-style format) along with a ifcfg format configuration.
The ifcfg format configuration is also retained to support easy
backward compatibility for distro vendors. These configurations are
stored in temp files which are further translated using the
hv_set_ifconfig.sh script. This script is implemented by individual
distros based on the network management commands supported.
For example, RHEL's implementation could be found here:
https://gitlab.com/redhat/centos-stream/src/hyperv-daemons/-/blob/c9s/hv_set_ifconfig.sh
Debian's implementation could be found here:
https://github.com/endlessm/linux/blob/master/debian/cloud-tools/hv_set_ifconfig
The next part of this support is to let the Distro vendors consume
these modified implementations to the new configuration format.
Tested-on: Rhel9(Hyper-V, Azure)(nm and ifcfg files verified)
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/1696847920-31125-1-git-send-email-shradhagupta@linux.microsoft.com
- DT binding updates for Renesas r8a779f0 and rzg2l
- Let GICv3 honor the "dma-non-coherent" attribute for systems that
rely on SW guessing what the HW supports
- Fix the RISC-V INTC probing by marking all devices as initialised
at once
- Properly translate interrupt numbers from DT on stm32-exti
- Use irq_data_get_irq_chip_data() in the rzg2l driver instead of
blindly dereferencing the irq_data structure
- Add a MAINTAINERS entry for the various ARM GIC irqchip drivers
- Remove myself as the top-level irqchip/irqdomain maintainer
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Merge tag 'irqchip-fixes-6.6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent
Pull irqchip fixes from Marc Zyngier:
- DT binding updates for Renesas r8a779f0 and rzg2l
- Let GICv3 honor the "dma-non-coherent" attribute for systems that
rely on SW guessing what the HW supports
- Fix the RISC-V INTC probing by marking all devices as initialised
at once
- Properly translate interrupt numbers from DT on stm32-exti
- Use irq_data_get_irq_chip_data() in the rzg2l driver instead of
blindly dereferencing the irq_data structure
- Add a MAINTAINERS entry for the various ARM GIC irqchip drivers
- Remove myself as the top-level irqchip/irqdomain maintainer
Link: https://lore.kernel.org/all/20231007121933.3840357-1-maz@kernel.org
Commit 9e70a5e109a4 ("printk: Add per-console suspended state")
removed console lock usage during resume and replaced it with
the clearly defined console_list_lock and srcu mechanisms.
However, the console lock usage had an important side-effect
of flushing the consoles. After its removal, consoles were no
longer flushed before checking their progress.
Add the console_lock/console_unlock dance to the beginning
of __pr_flush() to actually flush the consoles before checking
their progress. Also add comments to clarify this additional
usage of the console lock.
Note that console_unlock() does not guarantee flushing all messages
since the commit dbdda842fe96f89 ("printk: Add console owner and waiter
logic to load balance console writes").
Reported-by: Todd Brandt <todd.e.brandt@intel.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=217955
Fixes: 9e70a5e109a4 ("printk: Add per-console suspended state")
Co-developed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20231006082151.6969-2-pmladek@suse.com
In unprivileged Xen guests event handling can cause a deadlock with
Xen console handling. The evtchn_rwlock and the hvc_lock are taken in
opposite sequence in __hvc_poll() and in Xen console IRQ handling.
Normally this is no problem, as the evtchn_rwlock is taken as a reader
in both paths, but as soon as an event channel is being closed, the
lock will be taken as a writer, which will cause read_lock() to block:
CPU0 CPU1 CPU2
(IRQ handling) (__hvc_poll()) (closing event channel)
read_lock(evtchn_rwlock)
spin_lock(hvc_lock)
write_lock(evtchn_rwlock)
[blocks]
spin_lock(hvc_lock)
[blocks]
read_lock(evtchn_rwlock)
[blocks due to writer waiting,
and not in_interrupt()]
This issue can be avoided by replacing evtchn_rwlock with RCU in
xen_free_irq(). Note that RCU is used only to delay freeing of the
irq_info memory. There is no RCU based dereferencing or replacement of
pointers involved.
In order to avoid potential races between removing the irq_info
reference and handling of interrupts, set the irq_info pointer to NULL
only when freeing its memory. The IRQ itself must be freed at that
time, too, as otherwise the same IRQ number could be allocated again
before handling of the old instance would have been finished.
This is XSA-441 / CVE-2023-34324.
Fixes: 54c9de89895e ("xen/events: add a new "late EOI" evtchn framework")
Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Julien Grall <jgrall@amazon.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
I own an external usb Webcam, model NexiGo N930AF, which had low mic volume and
inconsistent sound quality. Video works as expected.
(snip)
[ +0.047857] usb 5-1: new high-speed USB device number 2 using xhci_hcd
[ +0.003406] usb 5-1: New USB device found, idVendor=1bcf, idProduct=2283, bcdDevice=12.17
[ +0.000007] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ +0.000004] usb 5-1: Product: NexiGo N930AF FHD Webcam
[ +0.000003] usb 5-1: Manufacturer: SHENZHEN AONI ELECTRONIC CO., LTD
[ +0.000004] usb 5-1: SerialNumber: 20201217011
[ +0.003900] usb 5-1: Found UVC 1.00 device NexiGo N930AF FHD Webcam (1bcf:2283)
[ +0.025726] usb 5-1: 3:1: cannot get usb sound sample rate freq at ep 0x86
[ +0.071482] usb 5-1: 3:2: cannot get usb sound sample rate freq at ep 0x86
[ +0.004679] usb 5-1: 3:3: cannot get usb sound sample rate freq at ep 0x86
[ +0.051607] usb 5-1: Warning! Unlikely big volume range (=4096), cval->res is probably wrong.
[ +0.000005] usb 5-1: [7] FU [Mic Capture Volume] ch = 1, val = 0/4096/1
Set up quirk cval->res to 16 for 256 levels,
Set GET_SAMPLE_RATE quirk flag to stop trying to get the sample rate.
Confirmed that happened anyway later due to the backoff mechanism, after 3 failures
All audio stream on device interfaces share the same values,
apart from wMaxPacketSize and tSamFreq :
(snip)
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 3
bAlternateSetting 3
bNumEndpoints 1
bInterfaceClass 1 Audio
bInterfaceSubClass 2 Streaming
bInterfaceProtocol 0
iInterface 0
AudioStreaming Interface Descriptor:
bLength 7
bDescriptorType 36
bDescriptorSubtype 1 (AS_GENERAL)
bTerminalLink 8
bDelay 1 frames
wFormatTag 0x0001 PCM
AudioStreaming Interface Descriptor:
bLength 11
bDescriptorType 36
bDescriptorSubtype 2 (FORMAT_TYPE)
bFormatType 1 (FORMAT_TYPE_I)
bNrChannels 1
bSubframeSize 2
bBitResolution 16
bSamFreqType 1 Discrete
tSamFreq[ 0] 44100
Endpoint Descriptor:
bLength 9
bDescriptorType 5
bEndpointAddress 0x86 EP 6 IN
bmAttributes 5
Transfer Type Isochronous
Synch Type Asynchronous
Usage Type Data
wMaxPacketSize 0x005c 1x 92 bytes
bInterval 4
bRefresh 0
bSynchAddress 0
AudioStreaming Endpoint Descriptor:
bLength 7
bDescriptorType 37
bDescriptorSubtype 1 (EP_GENERAL)
bmAttributes 0x01
Sampling Frequency
bLockDelayUnits 0 Undefined
wLockDelay 0x0000
(snip)
Based on the usb data about manufacturer, SPCA2281B3 is the most likely controller IC
Manufacturer does not provide link for datasheet nor detailed specs.
No way to confirm if the firmware supports any other way of getting the sample rate.
Testing patch provides consistent good sound recording quality and volume range.
(snip)
[ +0.045764] usb 5-1: new high-speed USB device number 2 using xhci_hcd
[ +0.106290] usb 5-1: New USB device found, idVendor=1bcf, idProduct=2283, bcdDevice=12.17
[ +0.000006] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ +0.000004] usb 5-1: Product: NexiGo N930AF FHD Webcam
[ +0.000003] usb 5-1: Manufacturer: SHENZHEN AONI ELECTRONIC CO., LTD
[ +0.000004] usb 5-1: SerialNumber: 20201217011
[ +0.043700] usb 5-1: set resolution quirk: cval->res = 16
[ +0.002585] usb 5-1: Found UVC 1.00 device NexiGo N930AF FHD Webcam (1bcf:2283)
Signed-off-by: Christos Skevis <xristos.thes@gmail.com>
Link: https://lore.kernel.org/r/20231006155330.399393-1-xristos.thes@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Merge tag '6.6-rc4-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull smb server fixes from Steve French:
"Six SMB3 server fixes for various races found by RO0T Lab of Huawei:
- Fix oops when racing between oplock break ack and freeing file
- Simultaneous request fixes for parallel logoffs, and for parallel
lock requests
- Fixes for tree disconnect race, session expire race, and close/open
race"
* tag '6.6-rc4-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix race condition between tree conn lookup and disconnect
ksmbd: fix race condition from parallel smb2 lock requests
ksmbd: fix race condition from parallel smb2 logoff requests
ksmbd: fix uaf in smb20_oplock_break_ack
ksmbd: fix race condition with fp
ksmbd: fix race condition between session lookup and expire
- Two EEVDF fixes: one to fix sysctl_sched_base_slice propagation,
and to fix an avg_vruntime() corner-case.
- A cpufreq frequency scaling fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-urgent-2023-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull misc scheduler fixes from Ingo Molnar:
- Two EEVDF fixes: one to fix sysctl_sched_base_slice propagation, and
to fix an avg_vruntime() corner-case.
- A cpufreq frequency scaling fix
* tag 'sched-urgent-2023-10-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
cpufreq: schedutil: Update next_freq when cpufreq_limits change
sched/eevdf: Fix avg_vruntime()
sched/eevdf: Also update slice on placement
