Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr

Path	csiph.com!news.freedyn.net!aioe.org!bofh.it!news.nic.it!robomod
From	Len Brown <lenb@kernel.org>
Newsgroups	linux.kernel
Subject	Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr
Date	Wed, 15 Jun 2016 19:50:01 +0200
Message-ID	<rKn6V-5AD-9@gated-at.bofh.it> (permalink)
References	<rKfVL-1co-3@gated-at.bofh.it> <rKmaS-4Zj-19@gated-at.bofh.it> <rKmkx-52w-17@gated-at.bofh.it> <rKmNz-5ul-23@gated-at.bofh.it> <rKmXg-5xA-13@gated-at.bofh.it>
Dkim-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=OCFC5oqk39LE0DBK1LpuIYvdBEUW4ax2Wnyd+cqnL8Y=; b=o0/7m37huGfB3XqqUPjXsDJD9wz00PodgiCx0j7WPGZjvaQKEEregCe5rKTiQNZ5AF /krkzf+6aYr5creVVCl2xVRD2k6vyFx/uDSJAtwzgQFPh7utfGkZp8IJ5NNwuXnUW6Zm xQXad76ZOU7FSTWwscAGL6abqXR3copb58OOkqUGHRxlItxsNjD5VYJIgdZfGcyvI/B3 U/mftZmd2MVkDX2NlpMuyqfx3r3XxZ77AmW9V1g6bw4zkp3N/fA1bXPHLxXqeB+VPgYi VsLqDDI0ZNJsJsuN8sCZhbSHdUQh136/ce1SlQvFvTa4VD7rZ84XF/5eQQSC/PdF0lgU uL5Q==
X-Google-Dkim-Signature	v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=OCFC5oqk39LE0DBK1LpuIYvdBEUW4ax2Wnyd+cqnL8Y=; b=lBfthjoPH1LlM2hqo3B1bP9ww2HmoDtcuw59YtIDDSrEyss0p+HAgAfWfZ729N23sF H8WoNWIAwNftZ2+xFisQM/YtK39Y/LmwtDXu+zFXm4XHDCgk9vv9rhuzCRxk0IY8uZl9 Rf55iW0q2n/QX3+2H/DjJiHM56sMsnc3nI/ji71asEqEv1J9UP6z4uZTdGZXD9CV3HUg 3eg6ji47ik0HJK6puM4tRAZTleiFB9DynpHLSTsoJDcN6zuVkEzKmeuW8al8Hqh7s9Xj y/H5XbBuO5lwq7WyXms4hdhrMhTe5y8oH7gNmxbuguyz5V9+XwGZwV06q7MPJB1Vf7Vj 6qNw==
X-Gm-Message-State	ALyK8tJ9mlc8+tNN27AnE4Mjm5FJbVqP9AfSvmplx+nTIyzSjaapVr7zeKkINuufF/oR25sDWxnoI4fYcKOlDA==
X-Received	by 10.55.170.75 with SMTP id t72mr27543254qke.100.1466012562313; Wed, 15 Jun 2016 10:42:42 -0700 (PDT)
MIME-Version	1.0
X-Google-Sender-Auth	1f9h4DATvw2T8AaTGMfzBCNZfTA
Content-Type	text/plain; charset=UTF-8
Sender	robomod@news.nic.it
List-ID	<linux-kernel.vger.kernel.org>
X-Mailing-List	linux-kernel@vger.kernel.org
Approved	robomod@news.nic.it
Lines	9
Organization	linux.* mail to news gateway
X-Original-Cc	lkml <linux-kernel@vger.kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Thomas Renninger <trenn@suse.com>, Kan Liang <kan.liang@intel.com>, "Peter Zijlstra (Intel)" <peterz@infradead.org>, "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>, Len Brown <len.brown@intel.com>, Linux PM list <linux-pm@vger.kernel.org>
X-Original-Date	Wed, 15 Jun 2016 13:42:41 -0400
X-Original-Message-ID	<CAJvTdK=pqSGw6atZn-giqxg4nd-DLTdf_wEhiC3VWGtDYLnUjg@mail.gmail.com>
X-Original-References	<20160615100029.GB32588@pd.tnic> <CAJvTdKkoMPZTagM_wRSCwbb=NKfBAU8SNMPz2hZuPhPqq_heFA@mail.gmail.com> <20160615165618.GF32588@pd.tnic> <CAJvTdKnDUDXwmj_Yy=Z-ScugHX_2sHtijk7WESWc26rNqPzGpQ@mail.gmail.com> <20160615173926.GD30309@pd.tnic>
X-Original-Sender	linux-kernel-owner@vger.kernel.org
Xref	csiph.com linux.kernel:1423262

Show key headers only | View raw

> Well, since the utility is part of tools/, it goes with the kernel
> version. Just like perf.
>
> Or are you dying to be able to use new tool on old kernels?

Yes.  Enterprise customers use old kernels.  They need
at least a snapshot of the utility that works w/o the API update.
-- 
Len Brown, Intel Open Source Technology Center

Thread

[RFC PATCH] x86: Move away from /dev/cpu/*/msr Borislav Petkov <bp@alien8.de> - 2016-06-15 12:10 +0200
  Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr chenyu <yu.chen.surf@gmail.com> - 2016-06-15 12:30 +0200
    Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Borislav Petkov <bp@alien8.de> - 2016-06-15 12:40 +0200
      Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Borislav Petkov <bp@alien8.de> - 2016-06-15 16:10 +0200
  Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Len Brown <lenb@kernel.org> - 2016-06-15 18:50 +0200
    Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Borislav Petkov <bp@alien8.de> - 2016-06-15 19:00 +0200
      Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Len Brown <lenb@kernel.org> - 2016-06-15 19:30 +0200
        Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Borislav Petkov <bp@alien8.de> - 2016-06-15 19:40 +0200
          Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Len Brown <lenb@kernel.org> - 2016-06-15 19:50 +0200
            Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Borislav Petkov <bp@alien8.de> - 2016-06-15 20:00 +0200
  Re: [RFC PATCH] x86: Move away from /dev/cpu/*/msr Andi Kleen <andi@firstfloor.org> - 2016-06-20 23:20 +0200

csiph-web