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This patch implements Supervisor Mode Execution Prevention (SMEP) and Supervisor Mode Access Prevention (SMAP) for x86. The purpose of the patch, obviously, is to help kernel developers debug the support for those features. A fair bit of the code relates to the handling of CPUID features. The CPUID code probably would get greatly simplified if all the feature bit words were unified into a single vector object, but in the interest of producing a minimal patch for SMEP/SMAP, and because I had very limited time for this project, I followed the existing style. [ v2: don't change the definition of the qemu64 CPU shorthand, since that breaks loading old snapshots. Per Anthony Liguori this can be fixed once the CPU feature set is snapshot. Change the coding style slightly to conform to checkpatch.pl. ] Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> |
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.. | ||
arch_dump.c | ||
arch_memory_mapping.c | ||
cc_helper_template.h | ||
cc_helper.c | ||
cpu-qom.h | ||
cpu.c | ||
cpu.h | ||
excp_helper.c | ||
fpu_helper.c | ||
helper.c | ||
helper.h | ||
hyperv.c | ||
hyperv.h | ||
int_helper.c | ||
ioport-user.c | ||
kvm_i386.h | ||
kvm-stub.c | ||
kvm.c | ||
machine.c | ||
Makefile.objs | ||
mem_helper.c | ||
misc_helper.c | ||
ops_sse_header.h | ||
ops_sse.h | ||
seg_helper.c | ||
shift_helper_template.h | ||
smm_helper.c | ||
svm_helper.c | ||
svm.h | ||
TODO | ||
translate.c |