Welcome to the LWN.net Weekly Edition for April 9, 2020
This edition contains the following feature content:
- VMX virtualization runs afoul of split-lock detection: a useful hardware feature can break unready virtual machines.
- Frequency-invariant utilization tracking for x86: how busy are the system's CPUs really?
- 5.7 Merge window part 1: what got pulled into the mainline for 5.7 — so far.
- A full task-isolation mode for the kernel: a mode for code that does not want to be interrupted for any reason.
- Concurrency bugs should fear the big bad data-race detector (part 1): the first half of a detailed look at the KCSAN data-race detection system.
This week's edition also includes these inner pages:
- Brief items: Brief news items from throughout the community.
- Announcements: Newsletters, conferences, security updates, patches, and more.
Please enjoy this week's edition, and, as always, thank you for
supporting LWN.net.