Archive for the 'x86' Category

Red Hat Knowledgebase: How do I determine if my x86-compatible Intel system is multi-processor, multi-core or supports hyperthreading?

Friday, May 21st, 2010

CPU Identifications in linux kernels (2.6.18 + rhel patches) , NOTE that this is not applicable when you are running linux kernel on top of virtual hardware (i.e. Dom0 and DomU kernels won’t show proper CPU info because they use “virtual CPU” as set …

Memory Translation and Segmentation : Gustavo Duarte

Tuesday, August 26th, 2008

very goom sum-up about memory mechanism in modern x86 machines. For more elabored and detailed info

CPU Rings, Privilege, and Protection : Gustavo Duarte

Tuesday, August 26th, 2008

An exellent introduction article about x86 cpus protection mechanism. (run instruction in “rings”) good read.

[x86 booting] The Kernel Boot Process

Wednesday, July 23rd, 2008

3rd article — explains how linux kernel boots

[x86 booting] How Computers Boot Up

Wednesday, July 23rd, 2008

2nd article, the 1st is at