diff options
| author | Ayomide Erinfolami <eayomide@google.com> | 2021-11-29 12:27:03 +0000 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2021-12-01 08:08:22 +0100 |
| commit | 5fa3eacc793f3739262224161045fbcb9e9f3d9b (patch) | |
| tree | 6dd6ac406444ff611ebfaac28ee62b62efa89522 /executor/kvm_amd64.S | |
| parent | 802705523a89a4675c91a389e2ac5305a29e2ed0 (diff) | |
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%.
Diffstat (limited to 'executor/kvm_amd64.S')
| -rw-r--r-- | executor/kvm_amd64.S | 6 |
1 files changed, 3 insertions, 3 deletions
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) |