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ept: set trusty eptp to 0 after destroy and only invalidate it when exist

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set trusty eptp to 0 after destroy, and only invalidate trusty eptp when it
exist.

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
This commit is contained in:
Jason Chen CJ
2018-06-16 14:42:50 +08:00
committed by lijinxia
parent fb723efa48
commit 75c1573aff
2 changed files with 5 additions and 3 deletions
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4
hypervisor/arch/x86/ept.c
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@@ -103,8 +103,10 @@ void destroy_ept(struct vm *vm)
* - trusty is enabled. But not initialized yet.
* Check vm->arch_vm.sworld_eptp.
*/
if (vm->sworld_control.sworld_enabled && vm->arch_vm.sworld_eptp)
if (vm->sworld_control.sworld_enabled && vm->arch_vm.sworld_eptp) {
free_ept_mem(HPA2HVA(vm->arch_vm.sworld_eptp));
vm->arch_vm.sworld_eptp = 0;
}
}
uint64_t _gpa2hpa(struct vm *vm, uint64_t gpa, uint32_t *size)