From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751390AbdAMUJv (ORCPT ); Fri, 13 Jan 2017 15:09:51 -0500 Received: from mout.gmx.net ([212.227.15.18]:57633 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751328AbdAMUJE (ORCPT ); Fri, 13 Jan 2017 15:09:04 -0500 From: =?UTF-8?q?Manuel=20Sch=C3=B6lling?= To: gregkh@linuxfoundation.org Cc: jslaby@suse.com, kilobyte@angband.pl, lkml14@scotdoyle.com, rdunlap@infradead.org, shorne@gmail.com, andrey_utkin@fastmail.com, akpm@linux-foundation.org, paul.burton@imgtec.com, daniel.vetter@ffwll.ch, tj@kernel.org, hdegoede@redhat.com, linux-kernel@vger.kernel.org, linux-fbdev@vger.kernel.org, =?UTF-8?q?Manuel=20Sch=C3=B6lling?= Subject: [PATCH v10 0/4] console: Add persistent scrollback buffers for all VGA consoles Date: Fri, 13 Jan 2017 21:07:54 +0100 Message-Id: <20170113200758.9880-1-manuel.schoelling@gmx.de> X-Mailer: git-send-email 2.11.0 In-Reply-To: <201701112105.R6Zog6jw%fengguang.wu@intel.com> References: <201701112105.R6Zog6jw%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K0:yi6zXc2oLBomde6F8oH3ZUlK9uzKXP5d2oG1B3Y6qxbsatZZ18Y VbVra7kgbdu6j7lHBy6zJKTGpwLJ1W1kfBL92jwwqunb9ht+JWOkpWWUpahXGiHNBXYQkcB LKvTg3zmIFOJPz29X1n1GaKy8RhSWVKI0Bs+d34L65c9skWH4uwArZimJFfasZSfGtKdbHi MpeoNEPSGXoCFz6E7s1Yg== X-UI-Out-Filterresults: notjunk:1;V01:K0:fT18YWX2ayA=:MysHVp5xbv7XPIErxI1hd3 KwCP0wfjeKRfjeajmiQFLXYYGrS0ncYg1AdIWa0a0vSB3wqsVaGpP2+a6Z2MBnbjyFVnr1Vyx qFp7iEjM4UvfZ2P07zW/tc2dWc4NmsNujLJ2V/B2oNxTkVwBgD8LcYTX1apDnk1aDiM7FH9um poafGdI70Q39vVRyHHvpOEJsFnP8ZposFY2Ns+8XP+mqN5JlQhtnv0ytjZ1NHxu+eF11Qieak 6xfXBazZQgjeBKPKKpCCQsdNW+uYDJHJ9yyTaqls5WvhkAvHknvFM99C9E8OUCsLEeg4f9BFi GdIO41iJqzQqPumhwML+KnmBpYoS7t1HU6BtAgOW0UdtPOMBUJ4B4+GuzWRKoZ3YRnPtdgZrd vBgynQXryIUhQt2axrhhWQijuHDRLzv7g+TX0OD+2/9B2sQySf+IfZfoZl4bGx9mHJfHw5EXC vYcr0G63xLOZ/Y/Q5UMbrzp1Qt/EG9Z4K37IUEhJEI83Uja75/XAkV9Pz+/7Alz1rLcsJH2fM NCUdCGIgSytCEDjbMevAxqVIwYins3fNyfNjyHXKIlLazRHRRoGuaS7tuzcdvxrf0pq6R3E9u shz8CbxjYnSEGdcPtkbIyJuileFRi/RfilXRBqMjgmuHMt/VdxCk4sKSZ744qUU9R0TTH7Gym XDKdXIdDi5Wkm8vsU6Ss62M5PzhH5Va5fA9HARobdN2ZGOdA8PT14JYN2hpxgAPS+vmFVlmx5 Hi56EgUVsvE4MO0+4tnwJXLzjSbX577u6pRbZ8OrZlqbCzJANHhTEKyQyU7hDTBRq+MlEM1V2 xpfWt9c Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changes in v10: - Fix compilation error if CONFIG_VGACON_SOFT_SCROLLBACK=n Changes in v9: - Make persistent scrollback feature a boot parameter Changes in v8: - Add Reviewed-by/Tested-By statements Changes in v7: - Add new callback to consw struct for flushing video console driver's scrollback buffer. Fixes issues with escape sequence '\e[3J' reported by Adam Borowski (kilobyte@angband.pl). - Fix style issues Changes in v6: - Change of check if feature is enabled in vgacon_scrollback_switch() Changes in v5: - Clearify documentation - Skip superfluous array initialization - Disable scrollback if buffer allocation fails - Refactor vgacon_switch_scrollback() - Rename vgacon_switch_scrollback() to vgacon_scrollback_switch() - Add check for fg_console in vgacon_scrollback_update Changes in v4.1: - Fix compiler error Changes in v4: - Rename from VGACON_SOFT_SCROLLBACK_FOR_EACH_CONSOLE to VGACON_SOFT_SCROLLBACK_PERSISTENT - Split into two patches - Rework documentation - Remove cosmetic changes in comments (postponed) Changes in v3: - Add config option for this feature - Fallback to old scrollback buffer if kcalloc() fails - Remove ioctl() call again and add documentation about existing escape sequence to flush the scrollback buffer Changes in v2: - Add ioctl() call to flush scrollback buffer - (Patch v2 was not labeled as such, sorry) Manuel Schölling (4): console: Move scrollback data into its own struct console: Add callback to flush scrollback buffer to consw struct console: Add persistent scrollback buffers for all VGA consoles console: Make persistent scrollback a boot parameter drivers/tty/vt/vt.c | 9 +++ drivers/video/console/Kconfig | 27 ++++++- drivers/video/console/vgacon.c | 164 ++++++++++++++++++++++++++++------------- include/linux/console.h | 4 + 4 files changed, 149 insertions(+), 55 deletions(-) -- 2.11.0