aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/kvm
diff options
context:
space:
mode:
authorDavid Edmondson2021-03-18 12:08:39 +0000
committerPaolo Bonzini2021-04-17 08:31:00 -0400
commit5518da62d433ccee53d39e98c4afe353132b1f56 (patch)
tree5bd8bd249f895112e4ba1399411c2fb092388f0b /arch/x86/kvm
parent699e1b2e557810ad8596971b969ddcd7712dfd70 (diff)
KVM: x86: dump_vmcs should consider only the load controls of EFER/PAT
When deciding whether to dump the GUEST_IA32_EFER and GUEST_IA32_PAT fields of the VMCS, examine only the VM entry load controls, as saving on VM exit has no effect on whether VM entry succeeds or fails. Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: David Edmondson <david.edmondson@oracle.com> Message-Id: <20210318120841.133123-4-david.edmondson@oracle.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r--arch/x86/kvm/vmx/vmx.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index c5882a66f11c..7329fd19d6e1 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -5771,11 +5771,9 @@ void dump_vmcs(void)
vmx_dump_sel("LDTR:", GUEST_LDTR_SELECTOR);
vmx_dump_dtsel("IDTR:", GUEST_IDTR_LIMIT);
vmx_dump_sel("TR: ", GUEST_TR_SELECTOR);
- if ((vmexit_ctl & VM_EXIT_SAVE_IA32_EFER) ||
- (vmentry_ctl & VM_ENTRY_LOAD_IA32_EFER))
+ if (vmentry_ctl & VM_ENTRY_LOAD_IA32_EFER)
pr_err("EFER= 0x%016llx\n", vmcs_read64(GUEST_IA32_EFER));
- if ((vmexit_ctl & VM_EXIT_SAVE_IA32_PAT) ||
- (vmentry_ctl & VM_ENTRY_LOAD_IA32_PAT))
+ if (vmentry_ctl & VM_ENTRY_LOAD_IA32_PAT)
pr_err("PAT = 0x%016llx\n", vmcs_read64(GUEST_IA32_PAT));
pr_err("DebugCtl = 0x%016llx DebugExceptions = 0x%016lx\n",
vmcs_read64(GUEST_IA32_DEBUGCTL),