sysret

Return from System Call

SYSRET

Fast return to privilege level 3 user code.

Details

The Return from System Call instruction fast return to privilege level 3 user code.

Pseudocode Operation

// Return from OS kernel call

Example

SYSRET

Encoding

Binary Layout
0F
+0
07
+1
 
Format System
Opcode 0F 07
Extension System (64-bit)

Operands