linux-kernel - Re: [PATCH 1/1] perf/x86/intel: make error messages less confusing

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20180822084558.GS24124@hirez.programming.kicks-ass.net>
Date:   Wed, 22 Aug 2018 10:45:58 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Eduardo Valentin <eduval@...zon.com>
Cc:     Andi Kleen <ak@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Kan Liang <kan.liang@...ux.intel.com>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Jia Zhang <qianyue.zj@...baba-inc.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] perf/x86/intel: make error messages less confusing

On Tue, Aug 21, 2018 at 04:05:22PM -0700, Eduardo Valentin wrote:
> On Tue, Aug 21, 2018 at 03:09:37PM -0700, Andi Kleen wrote:
> > On Tue, Aug 21, 2018 at 02:15:28PM -0700, Eduardo Valentin wrote:

> > > [ 0.100114] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only.

> > Maybe it is confusing (why exactly?), but it doesn't seem to me that your
> > new message is any better.
> 
> Yeah, the part that says "unsupported CPU" is the confusing part,
> I get people thinking that the specific reported CPU model is not
> supported by the kernel :-)

It is prefixed by: "Performance Events:", what is the problem?