The kernel column by Jon Masters #85 | Linux Today

The kernel column by Jon Masters #85

Written By
Web Webster
Web Webster
Apr 1, 2010

[ Thanks to Linux User &
Developer magazine
for this link. ]

“Another month, another kernel release. Last month saw
what is hopefully the final RC (release candidate) 2.6.33 kernel,
and so it should have been released by the time you read this. The
latest kernel includes lots of shiny new features that have been
developed over the past three months since 2.6.32, including some
nice virtualisation speed-ups (detecting when virtual machine
guest’s VCPUs are within spinlocks and automatically yielding),
driver updates and the removal of the legacy ‘anticipatory’ IO
scheduler (long since replaced in function by the CFQ or
‘Completely Fair Queuing’ one).

“The latest kernel release brought with it the usual round of
regression reports, compiled by the ever vigilant Rafael J Wysocki
from the existing bug reports. These show a (slightly worrying)
trend for regressions to go unfixed for some time between releases,
although many of the more scary issues have been fixed. Others took
the release opportunity to provide updates on their own special
kernel source trees that are based upon the 2.6.33 kernel. This
included Thomas Gleixner, who let us know that a 2.6.33 series Real
Time kernel patchset would be available soon for those who are
interested in developing the RT features. He had been delayed
getting to this as he was fixing a somewhat ugly problem with
unfortunate POSIX process priority semantics in the Real Time
code.”

Complete
Story

Web Webster

Web Webster

Web Webster has more than 20 years of writing and editorial experience in the tech sector. He’s written and edited news, demand generation, user-focused, and thought leadership content for business software solutions, consumer tech, and Linux Today, he edits and writes for a portfolio of tech industry news and analysis websites including webopedia.com, and DatabaseJournal.com.

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