Add an epoll busy poll test using netdevsim.
This test is comprised of:
- busy_poller (via busy_poller.c)
- busy_poll_test.sh which loads netdevsim, sets up network namespaces,
and runs busy_poller to receive data and socat to send data.
The selftest tests two different scenarios:
- bus
From: David Woodhouse
The VMCLOCK device gives support for accurate timekeeping even across
live migration, unlike the KVM PTP clock. To help ensure that users can
always use ptp_vmclock where it's available in preference to ptp_kvm,
set it to 'default PTP_1588_CLOCK_VMCLOCK' instead of 'default
If the chip isn't powered, this call is likely to return an error.
Without a log here the driver will silently fail to probe. Potential
errors include ENXIO (when the chip isn't powered) and ETIMEDOUT (when
the i2c bus isn't powered).
This function is only called from stk3310_probe, and this condi
The vdd and leda supplies must be powered on for the chip to function
and can be powered off during system suspend.
This was originally based on a patch by Ondrej Jirman[1], but has been
rewritten since.
1:
https://codeberg.org/megi/linux/commit/a933aff8b7a0e6e3c9cf1d832dcba07022bbfa82
Signed-o
On Sat, Nov 02, 2024 at 11:29:55AM +, Zbigniew Jędrzejewski-Szmek wrote:
> On Thu, Oct 31, 2024 at 03:10:37PM -0700, Kees Cook wrote:
> > On Wed, 30 Oct 2024 14:37:31 -0600, Tycho Andersen wrote:
> > > Zbigniew mentioned at Linux Plumber's that systemd is interested in
> > > switching to execve
From: Ondrej Jirman
This allows the driver to properly handle powering this device, and
disable power during suspend.
Signed-off-by: Ondrej Jirman
Signed-off-by: Aren Moynihan
---
Notes:
Changes in v2:
- add leda-supply
arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi | 2 ++
Using dev_err_probe instead of dev_err and return makes the errors
easier to understand by including the error name, and saves a little
code.
Signed-off-by: Aren Moynihan
---
Notes:
Changes in v4:
- Get a struct device ahead of time so it can be passed as "dev"
instead of "&clien
Using devm callbacks helps to make the ordering of probe / remove
operations easier to reason about and removes some duplicate code
between the probe error path and driver remove.
---
Notes:
Changes in v4:
- also replace mutex_init with devm_mutex_init
Added in v3
drivers/iio/l
stk3310 and stk3311 are typically connected to power supplies for the
chip (vdd) and the infrared LED (leda). Add properties so we can power
these up / down appropriately.
Signed-off-by: Aren Moynihan
Reviewed-by: Krzysztof Kozlowski
---
Notes:
Changes in v2:
- add leda-supply
- a
In the Pine64 PinePhone, the stk3310 chip is powered by a regulator that is
disabled at system boot and can be shut off during suspend. To ensure that
the chip properly initializes, both after boot and suspend, we need to
manage this regulator.
Additionally if the chip is shut off in suspend, we n
On 11/1/24 13:04, Muhammad Usama Anjum wrote:
> On 11/1/24 4:15 PM, Mirsad Todorovac wrote:
>> Coccinelle gives WARNING recommending the use of ARRAY_SIZE() macro
>> definition
>> to improve the code readability:
>>
>> ./tools/testing/selftests/x86/syscall_numbering.c:316:35-36: WARNING: Use
>
On 11/1/24 14:48, Peter Xu wrote:
> On Fri, Nov 01, 2024 at 12:15:25PM +0100, Mirsad Todorovac wrote:
>> Coccinelle gives WARNING recommending the use of ARRAY_SIZE() macro
>> definition
>> to improve the code readability:
>>
>> ./tools/testing/selftests/mm/uffd-unit-tests.c:1484:32-33: WARNING
Use KVM or HVF if supported by the QEMU binary and available on the
system.
This produces a nice improvement on my Apple M3 Pro running macOS 14.7:
Before:
./tools/testing/kunit/kunit.py exec --arch arm64
[HH:MM:SS] Elapsed time: 10.145s
After:
./tools/testing/kunit/kunit.py exec --arch arm64
[H
This series implements feature detection of hardware virtualization on
Linux and macOS; the latter being my primary use case.
This yields approximately a 6x improvement using HVF on M3 Pro.
Signed-off-by: Tamir Duberstein
---
Changes in v2:
- Use QEMU accelerator fallback (Alyssa Ross, Thomas We
Python 3.13 added os.process_cpu_count as a cross-platform alternative
for the Linux-only os.sched_getaffinity. Use it when it's available and
provide a fallback when it's not.
This allows kunit to run on macOS.
Signed-off-by: Tamir Duberstein
---
tools/testing/kunit/kunit.py | 11 ++-
On Thu, Oct 31, 2024 at 03:10:37PM -0700, Kees Cook wrote:
> On Wed, 30 Oct 2024 14:37:31 -0600, Tycho Andersen wrote:
> > Zbigniew mentioned at Linux Plumber's that systemd is interested in
> > switching to execveat() for service execution, but can't, because the
> > contents of /proc/pid/comm are
On Fri, Nov 1, 2024 at 11:23 AM Thomas Weißschuh wrote:
>
> On 2024-11-01 10:49:36-0400, Tamir Duberstein wrote:
> > On Fri, Nov 1, 2024, 09:52 Alyssa Ross wrote:
> > >
> > > On Fri, Oct 25, 2024 at 05:03:54PM -0400, Tamir Duberstein wrote:
> > > > @@ -124,6 +125,29 @@ class
> > > > LinuxSourceT
On Fri, 1 Nov 2024 at 14:04, Boqun Feng wrote:
>
> Hi,
>
> This is another RFC version of LKMM atomics in Rust, you can find the
> previous versions:
>
> v1:
> https://lore.kernel.org/rust-for-linux/20240612223025.1158537-1-boqun.f...@gmail.com/
> wip:
> https://lore.kernel.org/rust-for-linux/20
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