From: Paolo Bonzini <pbonzini@redhat.com>
To: Luwei Kang <luwei.kang@intel.com>, kvm@vger.kernel.org
Cc: tglx@linutronix.de, mingo@redhat.com, hpa@zytor.com,
x86@kernel.org, rkrcmar@redhat.com, linux-kernel@vger.kernel.org,
joro@8bytes.org
Subject: Re: [PATCH v5 11/11] KVM: x86: Disable Intel Processor Trace when VMXON in L1 guest
Date: Fri, 16 Mar 2018 18:30:40 +0100 [thread overview]
Message-ID: <a8686725-ce27-8000-dee5-5a39d3629dd8@redhat.com> (raw)
In-Reply-To: <1520165241-15819-12-git-send-email-luwei.kang@intel.com>
On 04/03/2018 13:07, Luwei Kang wrote:
> + if (pt_mode == PT_MODE_HOST_GUEST) {
This would be vmx_pt_supported(), but I think it's better to remove that
function and just test pt_mode == PT_MODE_HOST_GUEST everywhere (or !=).
Paolo
> + vmx->pt_desc.guest.ctl = 0;
> + vmcs_write64(GUEST_IA32_RTIT_CTL, 0);
> + pt_set_intercept_for_msr(vmx, 1);
> + }
> +
next prev parent reply other threads:[~2018-03-16 17:30 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-04 12:07 [PATCH v5 00/11] Intel Processor Trace virtulization enabling Luwei Kang
2018-03-04 12:07 ` [PATCH v5 01/11] perf/x86/intel/pt: Move Intel-PT MSR bit definitions to a public header Luwei Kang
2018-03-04 12:07 ` [PATCH v5 02/11] perf/x86/intel/pt: Change pt_cap_get() to a public function Luwei Kang
2018-03-04 12:07 ` [PATCH v5 03/11] perf/x86/intel/pt: Introduce a new function to get the capability of Intel PT Luwei Kang
2018-03-16 17:28 ` Paolo Bonzini
2018-03-19 7:17 ` Kang, Luwei
2018-03-19 9:04 ` Paolo Bonzini
2018-03-04 12:07 ` [PATCH v5 04/11] KVM: x86: Add Intel Processor Trace virtualization mode Luwei Kang
2018-03-04 12:07 ` [PATCH v5 05/11] KVM: x86: Add Intel Processor Trace cpuid emulation Luwei Kang
2018-03-04 12:07 ` [PATCH v5 06/11] KVM: x86: Add Intel processor trace context for each vcpu Luwei Kang
2018-03-04 12:07 ` [PATCH v5 07/11] KVM: x86: Implement Intel Processor Trace context switch Luwei Kang
2018-03-04 12:07 ` [PATCH v5 08/11] KVM: x86: Introduce a function to initialize the PT configuration Luwei Kang
2018-03-04 12:07 ` [PATCH v5 09/11] KVM: x86: Implement Intel Processor Trace MSRs read/write Luwei Kang
2018-03-04 12:07 ` [PATCH v5 10/11] KVM: x86: Set intercept for Intel PT MSRs Luwei Kang
2018-03-04 12:07 ` [PATCH v5 11/11] KVM: x86: Disable Intel Processor Trace when VMXON in L1 guest Luwei Kang
2018-03-16 17:30 ` Paolo Bonzini [this message]
2018-03-19 7:31 ` Kang, Luwei
2018-03-19 9:05 ` Paolo Bonzini
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