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CLI

Clears the Clear Interrupt Flag (IF) in the EFLAGS register, masking maskable external interrupts.

The following table covers what the source and destinations can be.

DO NOT support LOCK

This instruction is available in 64-bit mode, compatibility mode, and 32-bit mode. In 64-bit mode, the instruction operates on the RFLAGS register.

The instruction is a privileged operation if the processor is operating in a mode where the CPL (Current Privilege Level) is greater than the IOPL (I/O Privilege Level). If executed at an insufficient privilege level, the processor SHALL generate a General Protection exception (#GP).