diff --git a/man2/prctl.2 b/man2/prctl.2 index 4e2d67345..d7c7c4c6f 100644 --- a/man2/prctl.2 +++ b/man2/prctl.2 @@ -833,12 +833,13 @@ These calls fail if the CPU or kernel does not support MPX. Kernel support for MPX is enabled via the .BR CONFIG_X86_INTEL_MPX configuration option. -You can check whether the CPU supports MPX by looking for the 'mpx' +You can check whether the CPU supports MPX by looking for the +.I mpx CPUID bit, like with the following command: .IP .in +4n .EX -cat /proc/cpuinfo | grep ' mpx ' +cat /proc/cpuinfo | grep \(aq mpx \(aq .EE .in .IP