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With SMAP enabled, hypervisor can't access pages that owned by guest(either SOS or UOS), and an override is is provided: stac()/clac() to enable/disable access to guest's memory pages. Pre-conditon: Mark hypervisor owned pages as supervisor mode (U/S = 0), and set all othter memory pages as user mode (U/S = 1). Tracked-On: #2056 Signed-off-by: Yonghua Huang <yonghua.huang@intel.com> Acked-by: Anthony Xu <anthony.xu@intel.com> |
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.. | ||
guest.c | ||
instr_emul.c | ||
instr_emul.h | ||
pm.c | ||
ucode.c | ||
vcpu.c | ||
vcpuid.c | ||
vlapic_priv.h | ||
vlapic.c | ||
vm.c | ||
vmcall.c | ||
vmsr.c | ||
vmtrr.c |