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-rw-r--r--Documentation/x86/intel_mpx.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/x86/intel_mpx.txt b/Documentation/x86/intel_mpx.txt
index 6ca6e2b..818518a 100644
--- a/Documentation/x86/intel_mpx.txt
+++ b/Documentation/x86/intel_mpx.txt
@@ -7,11 +7,15 @@ that can be used in conjunction with compiler changes to check memory
references, for those references whose compile-time normal intentions are
usurped at runtime due to buffer overflow or underflow.
+You can tell if your CPU supports MPX by looking in /proc/cpuinfo:
+
+ cat /proc/cpuinfo | grep ' mpx '
+
For more information, please refer to Intel(R) Architecture Instruction
Set Extensions Programming Reference, Chapter 9: Intel(R) Memory Protection
Extensions.
-Note: Currently no hardware with MPX ISA is available but it is always
+Note: As of December 2014, no hardware with MPX is available but it is
possible to use SDE (Intel(R) Software Development Emulator) instead, which
can be downloaded from
http://software.intel.com/en-us/articles/intel-software-development-emulator

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