PR_MPX_ENABLE_MANAGEMENT(2const) PR_MPX_ENABLE_MANAGEMENT(2const) PR_MPX_ENABLE_MANAGEMENT, PR_MPX_DISABLE_MANAGEMENT - (MPX) (libc -lc) #include /* PR_* */ #include [[]] int prctl(PR_MPX_ENABLE_MANAGEMENT, 0L, 0L, 0L, 0L); [[]] int prctl(PR_MPX_DISABLE_MANAGEMENT, 0L, 0L, 0L, 0L); (MPX). MPX . . "" . " " prctl() MPX . . #BR . . MPX PR_MPX_ENABLE_MANAGEMENT bndcfgu. MPX. MPX CONFIG_X86_INTEL_MPX. MPX CPUID mpx : cat /proc/cpuinfo | grep ' mpx ' (64 ) MPX. (threads) . fork(2) MPX. execve(2) MPX PR_MPX_DISABLE_MANAGEMENT. 0. -1 errno . ENXIO MPX. MPX. . 3.19. 5.4. x86 . PR_MPX_ENABLE_MANAGEMENT PR_MPX_DISABLE_MANAGEMENT 5.4 . prctl(2) Intel MPX Documentation/x86/intel_mpx.rst. 3 . . : . 6.18 8 2026 PR_MPX_ENABLE_MANAGEMENT(2const)