Linux: Linus On CFS vs SD | Linux Today

Linux: Linus On CFS vs SD

Written By
Web Webster
Web Webster
Jul 29, 2007

“‘People who think SD was ‘perfect’ were simply ignoring
reality,’ Linus Torvalds began in a succinct explanation as to why
he chose the CFS scheduler written by Ingo Molnar instead of the SD
scheduler written by Con Kolivas. He continued, ‘sadly, that seemed
to include Con too, which was one of the main reasons that I never
[entertained] the notion of merging SD for very long at all: Con
ended up arguing against people who reported problems, rather than
trying to work with them.’ He went on to stress the importance of
working toward a solution that is good for everyone, ‘that was
where the SD patches fell down. They didn’t have a maintainer that
I could trust to actually care about any other issues than his
own.’ He then offered some praise to Ingo, ‘as a long-term
maintainer, trust me, I know what matters. And a person who can
actually be bothered to follow up on problem reports is a *hell* of
a lot more important than one who just argues with
reporters…'”

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.

Linux Today Logo

LinuxToday is a trusted, contributor-driven news resource supporting all types of Linux users. Our thriving international community engages with us through social media and frequent content contributions aimed at solving problems ranging from personal computing to enterprise-level IT operations. LinuxToday serves as a home for a community that struggles to find comparable information elsewhere on the web.

Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved

Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.