3 ms·

Why is so?

• hello_moto 2y ago
  That's a question for Microsoft OS architects
• benchloftbrunch 2y ago
  Historical reasons. Windows NT was designed to support architectures with only two privilege rings.
• layer8 2y ago
  All modern OSes only use ring 0 and 3. Intel is considering removing rings 1 and 2 in a future revision for that reason: https://www.intel.com/content/www/us/en/developer/articles/technical/envisioning-future-simplified-architecture.html https://www.intel.com/content/www/us/en/developer/articles/t...