3 ms·
That's true, though MWAIT can only be used from kernel mode. At least the docs say that you get a #UD exception if you attempt to use it from user mode.
by atq2119 7y ago
That's true, though MWAIT can only be used from kernel mode. At least the docs say that you get a #UD exception if you attempt to use it from user mode.
- the8472 7y agoRight, there's UMWAIT[0] for that, but that's quite new. [0] https://www.felixcloutier.com/x86/umwait https://www.felixcloutier.com/x86/umwait