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  Real World Technologies - Forums - Thread: Nuances related to Spinlock implementation and the Linux Scheduler

  • 4 users
  • www.realworldtech.com
  • テクノロジー
  • 2020/01/06

  Linus Torvalds (torvalds.delete@this.linux-foundation.org) on January 3, 2020 7:05 pm wrote: > Beastian (no.email.delete@this.aol.com) on January 3, 2020 11:46 am wrote: > > I'm usually on the other side of these primitives when I write code as a consumer of them, > > but it's very interesting to read about the nuances related to their implementations: > > The whole post seems to be just wrong, an

  • CPU
  • linux
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  A Close Look at a Spinlock – Embedded in Academia

  • 4 users
  • blog.regehr.org
  • テクノロジー
  • 2021/11/07

  The spinlock is the most basic mutual exclusion primitive provided by a multiprocessor operating system. Spinlocks need to protect against preemption on the current CPU (typically by disabling interrupts, but we’ll ignore that aspect in this post) and also against attempts by other cores to concurrently access the critical section (by using atomic memory operations). As the name implies, attempts
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  Real World Technologies - Forums - Thread: Nuances related to Spinlock implementation and the Linux Scheduler

  • 4 users
  • www.realworldtech.com
  • テクノロジー
  • 2020/01/10

  By: Linus Torvalds (torvalds.delete@this.linux-foundation.org), January 6, 2020 1:28 pm Gionatan Danti (g.danti.delete@this.assyoma.it) on January 6, 2020 12:13 pm wrote: > > However, I have a question about a recent kernel change that broke an important 3rd party > module: zfs. I don't want absolutely to flame, and feel free to not reply if think so. Note that "we don't break users" is literally

  • linux