linux-kernel - RE: [PATCH v13 06/12] KVM: x86: Add Intel PT virtualization work mode

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Message-ID: <alpine.DEB.2.21.1810301122580.5984@nanos.tec.linutronix.de>
Date:   Tue, 30 Oct 2018 11:23:34 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     "Kang, Luwei" <luwei.kang@...el.com>
cc:     Paolo Bonzini <pbonzini@...hat.com>,
        Jim Mattson <jmattson@...gle.com>,
        kvm list <kvm@...r.kernel.org>,
        the arch/x86 maintainers <x86@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>,
        Radim Krčmář <rkrcmar@...hat.com>,
        Joerg Roedel <joro@...tes.org>,
        "songliubraving@...com" <songliubraving@...com>,
        Peter Zijlstra <peterz@...radead.org>,
        "alexander.shishkin@...ux.intel.com" 
        <alexander.shishkin@...ux.intel.com>,
        "kstewart@...uxfoundation.org" <kstewart@...uxfoundation.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
        "mattst88@...il.com" <mattst88@...il.com>,
        Janakarajan Natarajan <Janakarajan.Natarajan@....com>,
        David Woodhouse <dwmw@...zon.co.uk>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Marc Orr <marcorr@...gle.com>, Uros Bizjak <ubizjak@...il.com>,
        "Christopherson, Sean J" <sean.j.christopherson@...el.com>,
        LKML <linux-kernel@...r.kernel.org>,
        Chao Peng <chao.p.peng@...ux.intel.com>
Subject: RE: [PATCH v13 06/12] KVM: x86: Add Intel PT virtualization work
 mode

On Tue, 30 Oct 2018, Kang, Luwei wrote:

> > >> This part is in the " Intel® Architecture Instruction Set Extensions and Future Features Programming Reference"
> > >> https://software.intel.com/sites/default/files/managed/c5/15/architec
> > >> ture-instruction-set-extensions-programming-reference.pdf
> > >>
> > > Yet another PDF which will change it's location sooner than later. Can
> > > you please stick that into the kernel.org bugzilla and reference the
> > > BZ in the change log, so we have something for posterity?
> > 
> > Hopefully posterity will be able to read it in the SDM.  But I agree it's a good idea to add it in the commit log.  Let's also wait for Alexander
> > to clarify what he thinks needs to be done.
> 
> I will create a new bug for this feature in Bugzilla, please help confirm if can like this first (it my first time to create bug in kernel.org :) )
> 

Looks good.

Thanks,

	tglx