linux-kernel - Re: [PATCH v4 02/10] x86/hyper-v: stash the max number of virtual/logical processor

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Message-ID: <20170605112427.7994a3af@gandalf.local.home>
Date:   Mon, 5 Jun 2017 11:24:27 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        devel@...uxdriverproject.org, "x86@...nel.org" <x86@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Jork Loeser <Jork.Loeser@...rosoft.com>,
        Simon Xiao <sixiao@...rosoft.com>,
        Andy Lutomirski <luto@...nel.org>
Subject: Re: [PATCH v4 02/10] x86/hyper-v: stash the max number of
 virtual/logical processor

On Sat, 27 May 2017 20:43:58 +0300
Andy Shevchenko <andy.shevchenko@...il.com> wrote:

> On Wed, May 24, 2017 at 3:03 PM, Vitaly Kuznetsov <vkuznets@...hat.com> wrote:
> > Max virtual processor will be needed for 'extended' hypercalls supporting
> > more than 64 vCPUs. While on it, unify on 'Hyper-V' in mshyperv.c as we
> > currently have a mix, report acquired misc features as well.
> >
> > Signed-off-by: Vitaly Kuznetsov <vkuznets@...hat.com>
> > Acked-by: K. Y. Srinivasan <kys@...rosoft.com>
> > Tested-by: Simon Xiao <sixiao@...rosoft.com>
> > Tested-by: Srikanth Myakam <v-srm@...rosoft.com>  
> 
> > +       u32 max_vp_index;
> > +       u32 max_lp_index;  
> 
> > +       pr_info("Hyper-V: max %d virtual processors, %d logical processors\n",
> > +               ms_hyperv.max_vp_index, ms_hyperv.max_lp_index);  
> 
> And surprisingly no-one from the above list did not get a warning?!

Begs to question how many other warnings are they ignoring?

-- Steve

> 
> %u, please.
>