linux-kernel - RE: [patch v2 0/8] Intel Processor Trace virtulization enabling

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Message-ID: <82D7661F83C1A047AF7DC287873BF1E167E2B197@SHSMSX101.ccr.corp.intel.com>
Date:   Fri, 3 Nov 2017 06:09:32 +0000
From:   "Kang, Luwei" <luwei.kang@...el.com>
To:     Paolo Bonzini <pbonzini@...hat.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>
CC:     "rkrcmar@...hat.com" <rkrcmar@...hat.com>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "hpa@...or.com" <hpa@...or.com>, "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Chao Peng <chao.p.peng@...ux.intel.com>
Subject: RE: [patch v2 0/8] Intel Processor Trace virtulization enabling

> > From v1:
> >  - remove guest-only mode because guest-only mode can be covered by host-guest mode;
> >  - always set "use GPA for processor tracing" in secondary execution control if it can be;
> >  - trap RTIT_CTL read/write. Forbid write this msr when VMXON in L1 hypervisor.
> 
> Sounds fine.  However, it's likely that this will only be in Linux 4.16.
> 
OK.  Hope can get more comments to these patches.  Thanks.

Luwei Kang