Commit 794663e1 authored by Hou Wenlong's avatar Hou Wenlong Committed by Paolo Bonzini
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KVM: x86: Add missing trace points for RDMSR/WRMSR in emulator path 



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: default avatarHou Wenlong <houwenlong.hwl@antgroup.com>
Link: https://lore.kernel.org/r/39181a9f777a72d61a4d0bb9f6984ccbd1de2ea3.1661930557.git.houwenlong.hwl@antgroup.com


Signed-off-by: default avatarSean Christopherson <seanjc@google.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 36d546d5

arch/x86/kvm/x86.c

+6 −0
Original line number Diff line number Diff line
@@ -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;

}