From faa03b39722a86e4b83e594151d1775875a0c7ca Mon Sep 17 00:00:00 2001 From: Wonhyuk Yang Date: Tue, 10 May 2022 16:10:00 +0900 Subject: KVM: Add extra information in kvm_page_fault trace point Currently, kvm_page_fault trace point provide fault_address and error code. However it is not enough to find which cpu and instruction cause kvm_page_faults. So add vcpu id and instruction pointer in kvm_page_fault trace point. Cc: Baik Song An Cc: Hong Yeon Kim Cc: Taeung Song Cc: linuxgeek@linuxgeek.io Signed-off-by: Wonhyuk Yang Link: https://lore.kernel.org/r/20220510071001.87169-1-vvghjk1234@gmail.com Signed-off-by: Sean Christopherson Signed-off-by: Paolo Bonzini --- arch/x86/kvm/mmu/mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/x86/kvm/mmu/mmu.c') diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index 32b60a6b83bd..40feb5ec761e 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4302,7 +4302,7 @@ int kvm_handle_page_fault(struct kvm_vcpu *vcpu, u64 error_code, vcpu->arch.l1tf_flush_l1d = true; if (!flags) { - trace_kvm_page_fault(fault_address, error_code); + trace_kvm_page_fault(vcpu, fault_address, error_code); if (kvm_event_needs_reinjection(vcpu)) kvm_mmu_unprotect_page_virt(vcpu, fault_address); -- cgit v1.2.3