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KVM: Add extra information in kvm_page_fault trace point
authorWonhyuk Yang <vvghjk1234@gmail.com>
Tue, 10 May 2022 07:10:00 +0000 (16:10 +0900)
committerPaolo Bonzini <pbonzini@redhat.com>
Mon, 26 Sep 2022 16:02:30 +0000 (12:02 -0400)
commitfaa03b39722a86e4b83e594151d1775875a0c7ca
tree46135d8fa399d6e7c5468afc41cd8f2550430d87
parentb5cb32b16ce7f757b53f14586bbdd05c3b7ebc29
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 <bsahn@etri.re.kr>
Cc: Hong Yeon Kim <kimhy@etri.re.kr>
Cc: Taeung Song <taeung@reallinux.co.kr>
Cc: linuxgeek@linuxgeek.io
Signed-off-by: Wonhyuk Yang <vvghjk1234@gmail.com>
Link: https://lore.kernel.org/r/20220510071001.87169-1-vvghjk1234@gmail.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/mmu/mmu.c
arch/x86/kvm/svm/svm.c
arch/x86/kvm/trace.h
arch/x86/kvm/vmx/vmx.c