News for hackers. Stuff that matters.

A comment on DragonFlyBSD's HAMMER2 File-System Being Ported to NetBSD. Parent comment

Re:DragonFlyBSD's HAMMER2 File-System Being Ported to NetBSD by viraptor on Saturday January 14, 2023 @09:14PM (#34386116)
That's the kernel memory allocator in SMP being lockless, right? (https://www.dragonflybsd.org/features/) You still can't get around locks for many shared resources, especially hardware ones.
[ Parent | on HN ]
Re:DragonFlyBSD's HAMMER2 File-System Being Ported to NetBSD by jpfr on Sunday January 15, 2023 @12:56AM (#34387091)
Linus Torvalds says that the RCU mechanism in the kernel making filesystem access lockless is one of the greatest achievements in Linux.
[ Parent | on HN ]
Re:DragonFlyBSD's HAMMER2 File-System Being Ported to NetBSD by black7375 on Sunday January 15, 2023 @05:40AM (#34388421)
wow LWKT and HAMMER2 look good.
[ Parent | on HN ]