kernel   17844

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RT : about to build a nice little team of engineers at . the roles aren't posted yet, but maybe this is y…
kernel  from twitter
2 days ago by silentbicycle
gpio - How to use i2c_gpio with Raspberry Pi? - Raspberry Pi Stack Exchange
There's also some stuff in /boot/overlays/README. You want i2c_gpio_delay_us for i2c clock stretching, I _think_.
i2c  for-adafruit  hardware  raspberry-pi  kernel  linux  stackoverflow  howto 
4 days ago by brennen
Linux_4.18 - Linux Kernel Newbies
Linux Kernel 4.18 で bpfilter 入ってるっぽい。
linux  kernel  bpf 
5 days ago by summerwind
Accelerating networking with AF_XDP []
Userspace のプロセスから XDP に直結できる感じか?
linux  kernel  xdp  bpf 
5 days ago by summerwind
Basics of Futexes - Eli Bendersky's website
The futex (short for "Fast userspace mutex") mechanism was proposed by Linux contributors from IBM in 2002 [1]; it was integrated into the kernel in late 2003. The main idea is to enable a more efficient way for userspace code to synchronize multiple threads, with minimal kernel involvement.

In this post I want to provide a basic overview of futexes, how they work, and how they're used to implement the more familiar synchronization primitives in higher-level APIs and languages.
locking  linux  kernel  synchronization  futex 
8 days ago by Mekk

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