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X-CSE-ConnectionGUID: u5YvFeIqRreujwNBLBJ2fA== X-CSE-MsgGUID: ppGkLR75T/qzRf3/gS+naQ== X-IronPort-AV: E=McAfee;i="6800,10657,11560"; a="71463414" X-IronPort-AV: E=Sophos;i="6.18,284,1751266800"; d="scan'208";a="71463414" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2025 01:29:41 -0700 X-CSE-ConnectionGUID: 8outSjVsTFeDiRPMSraaCw== X-CSE-MsgGUID: G6l9sVMLTRqrhCs8jQsLQg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,284,1751266800"; d="scan'208";a="207380777" Received: from unknown (HELO [10.238.0.107]) ([10.238.0.107]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Sep 2025 01:29:38 -0700 Message-ID: <3eb74bd9-5b0d-4673-9feb-124844431939@linux.intel.com> Date: Mon, 22 Sep 2025 16:29:35 +0800 Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v16 42/51] KVM: x86: Define Control Protection Exception (#CP) vector To: Sean Christopherson Cc: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Tom Lendacky , Mathias Krause , John Allen , Rick Edgecombe , Chao Gao , Xiaoyao Li , Maxim Levitsky , Zhang Yi Z , Xin Li References: <20250919223258.1604852-1-seanjc@google.com> <20250919223258.1604852-43-seanjc@google.com> Content-Language: en-US From: Binbin Wu In-Reply-To: <20250919223258.1604852-43-seanjc@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/20/2025 6:32 AM, Sean Christopherson wrote: > Add a CP_VECTOR definition for CET's Control Protection Exception (#CP), > along with human friendly formatting for trace_kvm_inj_exception(). > > Signed-off-by: Sean Christopherson Reviewed-by: Binbin Wu > --- > arch/x86/include/uapi/asm/kvm.h | 1 + > arch/x86/kvm/trace.h | 2 +- > 2 files changed, 2 insertions(+), 1 deletion(-) > > diff --git a/arch/x86/include/uapi/asm/kvm.h b/arch/x86/include/uapi/asm/kvm.h > index 467116186e71..73e0e88a0a54 100644 > --- a/arch/x86/include/uapi/asm/kvm.h > +++ b/arch/x86/include/uapi/asm/kvm.h > @@ -35,6 +35,7 @@ > #define MC_VECTOR 18 > #define XM_VECTOR 19 > #define VE_VECTOR 20 > +#define CP_VECTOR 21 > > /* Select x86 specific features in */ > #define __KVM_HAVE_PIT > diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h > index 06da19b370c5..322913dda626 100644 > --- a/arch/x86/kvm/trace.h > +++ b/arch/x86/kvm/trace.h > @@ -462,7 +462,7 @@ TRACE_EVENT(kvm_inj_virq, > #define kvm_trace_sym_exc \ > EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM), \ > EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF), EXS(MF), \ > - EXS(AC), EXS(MC), EXS(XM), EXS(VE) > + EXS(AC), EXS(MC), EXS(XM), EXS(VE), EXS(CP) > > /* > * Tracepoint for kvm interrupt injection: