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Thu, 3 Oct 2019 20:40:21 +0000 (GMT) Received: from b03ledav005.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 91CACBE04F; Thu, 3 Oct 2019 20:40:12 +0000 (GMT) Received: from leobras.br.ibm.com (unknown [9.18.235.190]) by b03ledav005.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 3 Oct 2019 20:40:12 +0000 (GMT) Message-ID: <3598584cc4b829e9c290b6dab89fb148528e4f72.camel@linux.ibm.com> Subject: Re: [PATCH v5 10/11] mm/Kconfig: Adds config option to track lockless pagetable walks From: Leonardo Bras To: Peter Zijlstra Date: Thu, 03 Oct 2019 17:40:11 -0300 In-Reply-To: <20191003074432.GO4536@hirez.programming.kicks-ass.net> References: <20191003013325.2614-1-leonardo@linux.ibm.com> <20191003013325.2614-11-leonardo@linux.ibm.com> <20191003074432.GO4536@hirez.programming.kicks-ass.net> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-cFtUj1Ho01ANPCDPn5bA" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-10-03_07:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910030167 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Song Liu , Michal Hocko , Mahesh Salgaonkar , "Dmitry V. Levin" , Keith Busch , linux-mm@kvack.org, Paul Mackerras , Christoph Lameter , Ira Weiny , Ingo Molnar , Elena Reshetova , linux-arch@vger.kernel.org, Santosh Sivaraj , Davidlohr Bueso , "Aneesh Kumar K.V" , Jann Horn , Mike Rapoport , Jason Gunthorpe , Allison Randal , Jesper Dangaard Brouer , Andrey Ryabinin , Alexey Dobriyan , Andrea Arcangeli , Ralph Campbell , Arnd Bergmann , Bartlomiej Zolnierkiewicz , John Hubbard , linuxppc-dev@lists.ozlabs.org, Nicholas Piggin , =?ISO-8859-1?Q?J=E9r=F4me?= Glisse , Mathieu Desnoyers , kvm-ppc@vger.kernel.org, Dan Williams , Reza Arbab , Vlastimil Babka , Christian Brauner , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Thomas Gleixner , Souptick Joarder , Andrew Morton , Logan Gunthorpe , Roman Gushchin , "Kirill A. Shutemov" , Al Viro Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" --=-cFtUj1Ho01ANPCDPn5bA Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, 2019-10-03 at 09:44 +0200, Peter Zijlstra wrote: > This shouldn't be a user visible option at all. Either the arch needs > it and selects it or not. You are right. I will do that on v6. 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