From 9d609649bb29a882e7e6bf502adb45dcac178fe5 Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Mon, 15 Apr 2019 15:14:32 +0200 Subject: [PATCH] KVM: vmx: print more APICv fields in dump_vmcs The SVI, RVI, virtual-APIC page address and APIC-access page address fields were left out of dump_vmcs. Add them. KERN_CONT technically isn't SMP safe, but it's okay to use it here since the whole of dump_vmcs() is a single huge multi-line piece of output that isn't SMP-safe. Signed-off-by: Paolo Bonzini --- arch/x86/kvm/vmx/vmx.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index b4e7d64..92bd511 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -5723,8 +5723,16 @@ void dump_vmcs(void) if (secondary_exec_control & SECONDARY_EXEC_TSC_SCALING) pr_err("TSC Multiplier = 0x%016llx\n", vmcs_read64(TSC_MULTIPLIER)); - if (cpu_based_exec_ctrl & CPU_BASED_TPR_SHADOW) - pr_err("TPR Threshold = 0x%02x\n", vmcs_read32(TPR_THRESHOLD)); + if (cpu_based_exec_ctrl & CPU_BASED_TPR_SHADOW) { + if (secondary_exec_control & SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY) { + u16 status = vmcs_read16(GUEST_INTR_STATUS); + pr_err("SVI|RVI = %02x|%02x ", status >> 8, status & 0xff); + } + pr_err(KERN_CONT "TPR Threshold = 0x%02x\n", vmcs_read32(TPR_THRESHOLD)); + if (secondary_exec_control & SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES) + pr_err("APIC-access addr = 0x%016llx ", vmcs_read64(APIC_ACCESS_ADDR)); + pr_err(KERN_CONT "virt-APIC addr = 0x%016llx\n", vmcs_read64(VIRTUAL_APIC_PAGE_ADDR)); + } if (pin_based_exec_ctrl & PIN_BASED_POSTED_INTR) pr_err("PostedIntrVec = 0x%02x\n", vmcs_read16(POSTED_INTR_NV)); if ((secondary_exec_control & SECONDARY_EXEC_ENABLE_EPT)) -- 2.7.4