From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] master 5c9304e: Disable some display optimizations when frames need redisplay Date: Fri, 02 Oct 2015 20:49:37 +0300 Message-ID: <83eghd5ff2.fsf@gnu.org> References: <20150930193450.11644.62040@vcs.savannah.gnu.org> <831tdd75i3.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1443808863 30522 80.91.229.3 (2 Oct 2015 18:01:03 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 2 Oct 2015 18:01:03 +0000 (UTC) Cc: emacs-devel@gnu.org To: Stefan Monnier Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Oct 02 20:00:54 2015 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Zi4dY-0000al-AX for ged-emacs-devel@m.gmane.org; Fri, 02 Oct 2015 20:00:52 +0200 Original-Received: from localhost ([::1]:34223 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zi4dX-0006My-Kh for ged-emacs-devel@m.gmane.org; Fri, 02 Oct 2015 14:00:51 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:34254) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zi4St-0001yd-Ff for emacs-devel@gnu.org; Fri, 02 Oct 2015 13:49:52 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zi4Sp-0004Ul-BC for emacs-devel@gnu.org; Fri, 02 Oct 2015 13:49:51 -0400 Original-Received: from mtaout20.012.net.il ([80.179.55.166]:53199) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zi4Sp-0004UA-2X for emacs-devel@gnu.org; Fri, 02 Oct 2015 13:49:47 -0400 Original-Received: from conversion-daemon.a-mtaout20.012.net.il by a-mtaout20.012.net.il (HyperSendmail v2007.08) id <0NVL00C00T1CUO00@a-mtaout20.012.net.il> for emacs-devel@gnu.org; Fri, 02 Oct 2015 20:49:45 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([84.94.185.246]) by a-mtaout20.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0NVL00CW1TIWPC70@a-mtaout20.012.net.il>; Fri, 02 Oct 2015 20:49:45 +0300 (IDT) In-reply-to: X-012-Sender: halo1@inter.net.il X-detected-operating-system: by eggs.gnu.org: Solaris 10 X-Received-From: 80.179.55.166 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:190730 Archived-At: > X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_40,RCVD_IN_DNSWL_LOW > autolearn=disabled version=3.3.2 > From: Stefan Monnier > Cc: emacs-devel@gnu.org > Date: Fri, 02 Oct 2015 11:46:29 -0400 > > >> So, what am I missing? > > The setting of windows_or_buffers_changed in fset_redisplay can now be > > removed. > > Why would we want to do that? Because a global variable cannot possibly convey the information that only frames F1 and F2 need to be redisplayed. Only frame-specific variables can do that. IOW, when 2 out of 200 frames need to be redisplayed, there's no reason for us to attempt redisplaying all the 200.