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Thu, 3 Oct 2019 19:04:13 +0000 (GMT) Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id CB474112064; Thu, 3 Oct 2019 19:04:06 +0000 (GMT) Received: from leobras.br.ibm.com (unknown [9.18.235.190]) by b01ledav004.gho.pok.ibm.com (Postfix) with ESMTP; Thu, 3 Oct 2019 19:04:06 +0000 (GMT) Message-ID: <08c43176fcf46c768d474f7d3620e07f3f71b140.camel@linux.ibm.com> Subject: Re: [PATCH v5 10/11] mm/Kconfig: Adds config option to track lockless pagetable walks From: Leonardo Bras To: Qian Cai Date: Thu, 03 Oct 2019 16:04:02 -0300 In-Reply-To: <88228CE0-81B2-4F2F-8C1D-F3376DB25A16@lca.pw> References: <20191003013325.2614-11-leonardo@linux.ibm.com> <88228CE0-81B2-4F2F-8C1D-F3376DB25A16@lca.pw> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-6JwD3nS1I5bp6jdQjZJI" 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=27 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 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-1910030155 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 , "Peter Zijlstra \(Intel\)" , "Dmitry V. Levin" , Keith Busch , linux-mm@kvack.org, Paul Mackerras , Christoph Lameter , Ira Weiny , Dan Williams , Elena Reshetova , linux-arch@vger.kernel.org, Santosh Sivaraj , Davidlohr Bueso , "Aneesh Kumar K.V" , Bartlomiej Zolnierkiewicz , Mike Rapoport , Jason Gunthorpe , Vlastimil Babka , Mahesh Salgaonkar , Andrey Ryabinin , Alexey Dobriyan , Ingo Molnar , Andrea Arcangeli , Ralph Campbell , Arnd Bergmann , Jann Horn , John Hubbard , Jesper Dangaard Brouer , Nicholas Piggin , =?ISO-8859-1?Q?J=E9r=F4me?= Glisse , Mathieu Desnoyers , kvm-ppc@vger.kernel.org, Thomas Gleixner , Reza Arbab , Allison Randal , Christian Brauner , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, Logan Gunthorpe , Souptick Joarder , Andrew Morton , linuxppc-dev@lists.ozlabs.org, Roman Gushchin , "Kirill A. Shutemov" , Al Viro Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" --=-6JwD3nS1I5bp6jdQjZJI Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2019-10-02 at 22:08 -0400, Qian Cai wrote: > Can=E2=80=99t this name and all those new *lockless* function names be sh= orter?=20 > There are many functions name with *_locked, so how about dropping=20 > lockless at all, i.e., PAGE_TABLE_WALK_TRACKING blah blah? Thanks for the feedback! Well, in this case it only tracks the 'lockless pagetable walks'. In this approach, the 'locked pagetable walks' don't need to be tracked. --=-6JwD3nS1I5bp6jdQjZJI Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEMdeUgIzgjf6YmUyOlQYWtz9SttQFAl2WRiIACgkQlQYWtz9S ttTLPQ/5AadIHB7M8l0r2DhjP46ynmXH5IxgHEY7CjSTQZzcRJIAM9AMhlH9Ps+z fjqBvZ0ZSOJAJQPbMP4nRi3kTdAdg7tyLtJj78BgcKpM+2Y3iKlq3O2HgqvqCZdH zkuVaWtPdlYICGLA12Y39UaiYxnNEAwvm+W7vb9nk/fL6T8aTTZFZAZOT1SVQZty a6YhEcj/10usw6lATrcmS3j4z8RV0aLP5L4gFQeexekfPZQu08Jaq8B3tWmC9nTc eimFeMtGUaAybx9HJb//9GYYkSGGGGi8AkE1EpiIbQkoK88n0nPenGCcaBvJfD+V w2hHUAmtfEOCYgDO4pHiQRCxl0sI5fuVJNPpAFJc317szxCW/MGhg+CxxrPjfDtA S0Y0Iu9DZdXrHbBP7sfLuXv05bhL4yR7vS3/T6J+5CdzBSjnfMpYvL61Qj8vXb1R g703mw25Ukm4FXbxTNoVvalohYjPM80J6IOiFpMr+MWjuZSzBpS8ooH8SKO3hoMd wMwRtiJZD0vwLlj859memG7yhiufyG/TU6/lzAVydl9JZdb7xjhlSExGyutxCFCo 2Bnsd5rOYsT2pQNPnWuHm0r+MvPW7wYnm3qy7GoYhNsxB1hAhvNkFy+EXCzmcDKE tTVoRqlRZXwvVjtmTVbmV7NzchhZicDLcJRPS38dfIm2PezXsno= =6lYM -----END PGP SIGNATURE----- --=-6JwD3nS1I5bp6jdQjZJI--