From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8CDFEECDFB8 for ; Fri, 20 Jul 2018 07:09:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2544F20850 for ; Fri, 20 Jul 2018 07:09:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2544F20850 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727216AbeGTHz5 (ORCPT ); Fri, 20 Jul 2018 03:55:57 -0400 Received: from mx2.suse.de ([195.135.220.15]:36444 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725139AbeGTHz5 (ORCPT ); Fri, 20 Jul 2018 03:55:57 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 2F228AF49; Fri, 20 Jul 2018 07:09:09 +0000 (UTC) From: NeilBrown To: David Miller Date: Fri, 20 Jul 2018 17:09:01 +1000 Cc: herbert@gondor.apana.org.au, tgraf@suug.ch, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, eric.dumazet@gmail.com Subject: Re: [PATCH - revised] rhashtable: detect when object movement might have invalidated a lookup In-Reply-To: <20180719.234329.512279372120817504.davem@davemloft.net> References: <87fu0kt5m0.fsf@notabene.neil.brown.name> <20180719.051440.931407144963903326.davem@davemloft.net> <87va9aqv05.fsf@notabene.neil.brown.name> <20180719.234329.512279372120817504.davem@davemloft.net> Message-ID: <87sh4eqt82.fsf@notabene.neil.brown.name> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Type: text/plain On Thu, Jul 19 2018, David Miller wrote: > From: NeilBrown > Date: Fri, 20 Jul 2018 16:30:34 +1000 > >> Does this ruling also apply to the bit-spin-lock changes and the >> per-cpu-counter changes that I have proposed? These improve >> scalability when updates dominate. Not having these in mainline >> would mean I need to carry a separate rhashtables implementation for >> lustre, which means code diversion which isn't healthy in the long >> run. > > If it helps existing rhashtable users generally, then it is fine, > since it will actually be tested by upstream users. Good, thanks. NeilBrown --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEG8Yp69OQ2HB7X0l6Oeye3VZigbkFAltRio0ACgkQOeye3VZi gbmtog//X8squ2wPl2LDLLe34S2GMQ9uANO5+mCZLKImPqr+1EoSCyiQJeWpl6j8 oiuqDKgF2V3lixs6N6zhZCkW9QLU0PqlovVtc4RGWZg5Roa4qHeT+BTQBT0CtwHc YFGDqYTQQAWv71aT4y2fqiNHPL4+LduZdWaEWrQwusTtzHnaVKqXdbSay0A0gMCU LaPlCKuwPMH3ZubeP18PBPhz+rF3nb3X+KG18wCaz4CQAdqpxue7wiUFybeDimrL Rdarh5e7YEmrWtNUpnnUBybu0RQsLm3v5pXhNGBKKGfwgecHD930bXO/weVttBXH LK08tUhvepppHmHXgfH20ReVSGIWUuwOMWZANK+6r5idjPhZgPh5FqKWHN8NfOgE ScE3aFAx+YJk3QKEb2WbrYQ75iJ2UNMZO8xD1BIXNy9OGZ4pK7Zq1fE2lUpFz6r1 cFI9AjVnTxuKsqfVVKyvNytjN0ab8jV1b4wyUS9UQs3bD6tAsKgEixU7mex2WWVr DXgoihENUu3tGAENVt2Ncey1cNWFgBQHyj4tM5VduUBjinaEMchLyzpHjvd7AoS9 erHsPvuIWzbFXdWmzP0byEQILNvotLF+97rfdy69FTFhVymyn5RJFAVqWyqv1vLW jgLMSd6erFG2KHOzFsaWi7JWXT4IBhcg7jd/QkSP0UFHkrWqYZQ= =qfRm -----END PGP SIGNATURE----- --=-=-=--