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Diffstat (limited to 'src/priv-intro.tex')
| -rw-r--r-- | src/priv-intro.tex | 4 |
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diff --git a/src/priv-intro.tex b/src/priv-intro.tex index f909ea6..fb2694a 100644 --- a/src/priv-intro.tex +++ b/src/priv-intro.tex @@ -146,9 +146,7 @@ and operating system usage respectively. Each privilege level has a core set of privileged ISA extensions with optional extensions and variants. For example, machine-mode supports an optional -standard extension for memory protection. Also, supervisor mode can be -extended to support Type-2 hypervisor execution as described in -Chapter~\ref{hypervisor}. +standard extension for memory protection. Implementations might provide anywhere from 1 to 3 privilege modes trading off reduced isolation for lower implementation cost, as shown |