From: David Edmondson Date: Thu, 18 Mar 2021 12:08:39 +0000 (+0000) Subject: KVM: x86: dump_vmcs should consider only the load controls of EFER/PAT X-Git-Tag: v5.13-rc1~76^2~132 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=5518da62d433ccee53d39e98c4afe353132b1f56;p=linux-2.6-block.git 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 Signed-off-by: David Edmondson Message-Id: <20210318120841.133123-4-david.edmondson@oracle.com> Signed-off-by: Paolo Bonzini --- 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),