From 5fa3eacc793f3739262224161045fbcb9e9f3d9b Mon Sep 17 00:00:00 2001 From: Ayomide Erinfolami Date: Mon, 29 Nov 2021 12:27:03 +0000 Subject: executor: changed initialization of VMCS fields Initializing the VMCS fields Pin-based VM-execution controls and Primary processor-based VM-execution controls to 0 and setting their reserved bits using the appropriate MSRs increase coverage for arch/x86/kvm/vmx/nested.c from 19% to 43%. --- executor/kvm_amd64.S | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'executor/kvm_amd64.S') diff --git a/executor/kvm_amd64.S b/executor/kvm_amd64.S index c3d8ac802..537df853f 100644 --- a/executor/kvm_amd64.S +++ b/executor/kvm_amd64.S @@ -148,9 +148,9 @@ kvm_asm64_init_vm: vmwrite %rax, %rdx; \ /**/ - VMSET_LIMITED(0x00004000, $0x3f, 0x481) // Pin-based VM-execution controls - //VMSET_LIMITED(0x00004002, $0x61999e84, 0x482) // Primary processor-based VM-execution controls - VMSET(0x00004002, $0xf3999e84) + VMSET_LIMITED(0x00004000, $0, 0x481) // Pin-based VM-execution controls + VMSET_LIMITED(0x00004002, $0, 0x482) // Primary processor-based VM-execution controls + VMSET(0x0000401E, $((1<<0) | (1<<7))) // Secondary processor-based VM-execution controls VMSET_LIMITED(0x0000400C, $0x36fff, 0x483) // VM-exit controls (F6FFF) VMSET_LIMITED(0x00004012, $0x17ff, 0x484) // VM-entry controls (51FF) -- cgit mrf-deployment