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by leosarev 703 days ago
Why is so?
3 comments
layer8 703 days 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/t...
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benchloftbrunch 703 days ago
Historical reasons. Windows NT was designed to support architectures with only two privilege rings.
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hello_moto 703 days ago
That's a question for Microsoft OS architects
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