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Diffstat (limited to '')
| -rw-r--r-- | arch/x86/Kconfig | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index a283336bb5d5..44d279698c0f 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1888,34 +1888,6 @@ config X86_UMIP specific cases in protected and virtual-8086 modes. Emulated results are dummy. -config X86_INTEL_MPX - prompt "Intel MPX (Memory Protection Extensions)" - def_bool n - # Note: only available in 64-bit mode due to VMA flags shortage - depends on CPU_SUP_INTEL && X86_64 - select ARCH_USES_HIGH_VMA_FLAGS - ---help--- - MPX provides hardware features that can be used in - conjunction with compiler-instrumented code to check - memory references. It is designed to detect buffer - overflow or underflow bugs. - - This option enables running applications which are - instrumented or otherwise use MPX. It does not use MPX - itself inside the kernel or to protect the kernel - against bad memory references. - - Enabling this option will make the kernel larger: - ~8k of kernel text and 36 bytes of data on a 64-bit - defconfig. It adds a long to the 'mm_struct' which - will increase the kernel memory overhead of each - process and adds some branches to paths used during - exec() and munmap(). - - For details, see Documentation/x86/intel_mpx.rst - - If unsure, say N. - config X86_INTEL_MEMORY_PROTECTION_KEYS prompt "Intel Memory Protection Keys" def_bool y @@ -2959,9 +2931,6 @@ config HAVE_ATOMIC_IOMAP def_bool y depends on X86_32 -config X86_DEV_DMA_OPS - bool - source "drivers/firmware/Kconfig" source "arch/x86/kvm/Kconfig" |