From owner-svn-src-all@freebsd.org Thu Dec 10 21:33:30 2015 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B12CE9D75D9; Thu, 10 Dec 2015 21:33:30 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 309601BA7; Thu, 10 Dec 2015 21:33:29 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id tBALXOuV018360 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Thu, 10 Dec 2015 23:33:24 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua tBALXOuV018360 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id tBALXOss018359; Thu, 10 Dec 2015 23:33:24 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Thu, 10 Dec 2015 23:33:24 +0200 From: Konstantin Belousov To: Oliver Pinter Cc: "src-committers@freebsd.org" , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" Subject: Re: svn commit: r291171 - in head/sys: amd64/amd64 compat/ia32 i386/i386 kern sys Message-ID: <20151210213324.GF82577@kib.kiev.ua> References: <201511230709.tAN79Z4L062228@repo.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Dec 2015 21:33:30 -0000 On Thu, Dec 10, 2015 at 10:18:19PM +0100, Oliver Pinter wrote: > On Mon, Nov 23, 2015 at 8:09 AM, Konstantin Belousov wrote: > > Author: kib > > Date: Mon Nov 23 07:09:35 2015 > > New Revision: 291171 > > URL: https://svnweb.freebsd.org/changeset/base/291171 > > > > Log: > > Split kerne timekeep ABI structure vdso_sv_tk out of the struct > > sysentvec. This allows the timekeep data to be shared between similar > > ABIs which cannot share sysentvec. > > > > Make the timekeep_push_vdso() tick callback to the timekeep structures > > instead of sysentvecs. If several sysentvec share the vdso_sv_tk > > structure, we would update the userspace data several times on each > > tick, without the change. > > > > Only allocate vdso_sv_tk in the exec_sysvec_init() sysinit when > > sysentvec is marked with the new SV_TIMEKEEP flag. This saves > > allocation and update of unneeded vdso_sv_tk for ABIs which do not > > provide userspace gettimeofday yet, which are PowerPCs arches right > > now. > > > > Make vdso_sv_tk allocator public, namely split out and export > > alloc_sv_tk() and alloc_sv_tk_compat32(). ABIs which share timekeep > > data now can allocate it manually and share as appropriate. > > > > Requested by: nwhitehorn > > Tested by: nwhitehorn, pho > > Sponsored by: The FreeBSD Foundation > > MFC after: 2 weeks > > Hello Konstantin! > > Do you plan to MFC back this changes to 10-STABLE in these days? I decided to not merge the change.