From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752115Ab2CHUvx (ORCPT ); Thu, 8 Mar 2012 15:51:53 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:33677 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750978Ab2CHUvu (ORCPT ); Thu, 8 Mar 2012 15:51:50 -0500 Date: Thu, 8 Mar 2012 12:51:46 -0800 From: Greg KH To: Jiri Slaby Cc: alan@linux.intel.com, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, jirislaby@gmail.com Subject: Re: [PATCH 00/68] TTY buffer in tty_port -- prep no. 1 Message-ID: <20120308205146.GA16194@kroah.com> References: <1330955575-26641-1-git-send-email-jslaby@suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1330955575-26641-1-git-send-email-jslaby@suse.cz> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 05, 2012 at 02:51:47PM +0100, Jiri Slaby wrote: > Hi, > > this is the first series of patches which allow tty buffers to be > moved from tty_struct (present from open to close/hangup) to tty_port > (present as long as the device). This will allow us to get rid of the > tty refcounting in the interrupt service routines and other hot paths > after we are done. This is because we won't need to handle races among > ISRs, timers, hangups and others, because tty_port lives as long as an > interrupt/timer tick may occur. Unlike tty_struct. > > In this series, only first few drivers are converted to use > tty_port. The rest is to come later. Very nice work, all queued up now. greg k-h