Changes since v1:
* check to see if #BR occurred in userspace or kernel space.
* use generic structure and macro as much as possible when
decode mpx instructions.
Qiaowei Ren (4):
x86, mpx: add documentation on Intel MPX
x86, mpx: hook #BR exception handler to allocate bound tables
x86, mpx: add prctl commands PR_MPX_INIT, PR_MPX_RELEASE
x86, mpx: extend siginfo structure to include bound violation
information
Documentation/x86/intel_mpx.txt | 76 +++++++
arch/x86/Kconfig | 4 +
arch/x86/include/asm/mpx.h | 63 ++++++
arch/x86/include/asm/processor.h | 16 ++
arch/x86/kernel/Makefile | 1 +
arch/x86/kernel/mpx.c | 417 ++++++++++++++++++++++++++++++++++++
arch/x86/kernel/traps.c | 61 +++++-
include/uapi/asm-generic/siginfo.h | 9 +-
include/uapi/linux/prctl.h | 6 +
kernel/signal.c | 4 +
kernel/sys.c | 12 +
11 files changed, 667 insertions(+), 2 deletions(-)
create mode 100644 Documentation/x86/intel_mpx.txt
create mode 100644 arch/x86/include/asm/mpx.h
create mode 100644 arch/x86/kernel/mpx.c
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