linux-kernel - Re: [PATCH v2 00/12] x86: major paravirt cleanup

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Message-ID: <20201215141834.GG3040@hirez.programming.kicks-ass.net>
Date:   Tue, 15 Dec 2020 15:18:34 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Jürgen Groß <jgross@...e.com>
Cc:     xen-devel@...ts.xenproject.org, x86@...nel.org,
        linux-kernel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        linux-hyperv@...r.kernel.org, kvm@...r.kernel.org, luto@...nel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Deep Shah <sdeep@...are.com>,
        "VMware, Inc." <pv-drivers@...are.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Vitaly Kuznetsov <vkuznets@...hat.com>,
        Wanpeng Li <wanpengli@...cent.com>,
        Jim Mattson <jmattson@...gle.com>,
        Joerg Roedel <joro@...tes.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Juri Lelli <juri.lelli@...hat.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Ben Segall <bsegall@...gle.com>, Mel Gorman <mgorman@...e.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Josh Poimboeuf <jpoimboe@...hat.com>
Subject: Re: [PATCH v2 00/12] x86: major paravirt cleanup

On Tue, Dec 15, 2020 at 12:42:45PM +0100, Jürgen Groß wrote:
> Peter,
> 
> On 23.11.20 14:43, Peter Zijlstra wrote:
> > On Fri, Nov 20, 2020 at 01:53:42PM +0100, Peter Zijlstra wrote:
> > > On Fri, Nov 20, 2020 at 12:46:18PM +0100, Juergen Gross wrote:
> > > >   30 files changed, 325 insertions(+), 598 deletions(-)
> > > 
> > > Much awesome ! I'll try and get that objtool thing sorted.
> > 
> > This seems to work for me. It isn't 100% accurate, because it doesn't
> > know about the direct call instruction, but I can either fudge that or
> > switching to static_call() will cure that.
> > 
> > It's not exactly pretty, but it should be straight forward.
> 
> Are you planning to send this out as an "official" patch, or should I
> include it in my series (in this case I'd need a variant with a proper
> commit message)?

Ah, I was waiting for Josh to have an opinion (and then sorta forgot
about the whole thing again). Let me refresh and provide at least a
Changelog.