Monday Jan 28, 2008

The first Linux Kernel of '08 has arrived

When we last left the Linux kernel maintainers it was early October '07 and 2.6.23,  complete with support for Logical Domains (LDoms) on the SPARC architecture, was rolled out. 

Well now its 2008 and last week Linux kernel 2.6.24 hit the streets.

Here are some fun facts to know and tell that I grabbed from Jonathan Corbet's 2.6.24 statistics article:

  • Over 10,000 individual changesets were merged
  • There was a net growth of nearly 300,000 lines of code
  • 950 developers, representing over 130 companies, contributed this code
  • Of the 950, 358 contributed just one patch
  • In comparison, for 2.6.23 there were 6,200 patches merged from 860 developers.

To see all the new features and fixes, check out kernelnewbies.org

One feature that caught my eye was the inclusion of Linux Kernel Markers which implement static probing points for the Linux kernel.  In an article I read someone commented on how this got the Linux community closer to Dtrace like capabilities.  I wonder how similar/dissimilar the two are?

Pau for now...

Friday Oct 12, 2007

Linux 2.6.23 is here - LDom support, in like Flint

Earlier this week the latest Linux kernel, 2.6.23 made its debut.  As I mentioned this summer, thanks to the efforts of David Miller and Fabio, support for Logical Domains (LDoms) on the SPARC architecture is included in Linux's latest and greatest .  (LDoms are Sun's core virtualization solution for SPARC-based systems.)

If you want to check out what LDom stuff was specifically added, check out the kernelnewbies.org site and scroll down to "SPARC64" under section 3.6 "Architecture-specific changes. " 

I found this site today by following links and it's pretty cool.  Besides giving the details of what exactly was added to the kernel, among other things it offers up a glossary, an FAQ and links to a cool article called "Who wrote what."  In the article, David Miller scored highly on all the charts and in fact, when it came to "Developers with the most sign offs," he was surpassed only by Andrew Morton and Linus.  Very glad to have David's help!

Pau for now...

BTW:  The reference in the title is to this

About

I look after Sun's relationships with the various GNU/Linux communities as well as our relationship with the FSF. Last year, my family and I emigrated from Silicon Valley to Austin, TX.

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