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KVM: x86: Add missing trace points for RDMSR/WRMSR in emulator path

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Since the RDMSR/WRMSR emulation uses a sepearte emualtor interface,
the trace points for RDMSR/WRMSR can be added in emulator path like
normal path.

Signed-off-by: Hou Wenlong <houwenlong.hwl@antgroup.com>
Link: https://lore.kernel.org/r/39181a9f777a72d61a4d0bb9f6984ccbd1de2ea3.1661930557.git.houwenlong.hwl@antgroup.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Hou Wenlong 2022-09-02 10:47:01 +08:00 committed by Paolo Bonzini
parent 36d546d59a
commit 794663e13f
1 changed files with 6 additions and 0 deletions
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6
arch/x86/kvm/x86.c
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@ -7927,9 +7927,12 @@ static int emulator_get_msr_with_filter(struct x86_emulate_ctxt *ctxt,
if (kvm_msr_user_space(vcpu, msr_index, KVM_EXIT_X86_RDMSR, 0,
complete_emulated_rdmsr, r))
return X86EMUL_IO_NEEDED;
trace_kvm_msr_read_ex(msr_index);
return X86EMUL_PROPAGATE_FAULT;
}
trace_kvm_msr_read(msr_index, *pdata);
return X86EMUL_CONTINUE;
}
@ -7947,9 +7950,12 @@ static int emulator_set_msr_with_filter(struct x86_emulate_ctxt *ctxt,
if (kvm_msr_user_space(vcpu, msr_index, KVM_EXIT_X86_WRMSR, data,
complete_emulated_msr_access, r))
return X86EMUL_IO_NEEDED;
trace_kvm_msr_write_ex(msr_index, data);
return X86EMUL_PROPAGATE_FAULT;
}
trace_kvm_msr_write(msr_index, data);
return X86EMUL_CONTINUE;
}