Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752724AbbKWMTi (ORCPT ); Mon, 23 Nov 2015 07:19:38 -0500 Received: from pandora.arm.linux.org.uk ([78.32.30.218]:49770 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751915AbbKWMTh (ORCPT ); Mon, 23 Nov 2015 07:19:37 -0500 Date: Mon, 23 Nov 2015 12:19:20 +0000 From: Russell King - ARM Linux To: Nikita Yushchenko Cc: kuznetsovg@dev.rtsoft.ru, Ian Campbell , Mason , Ard Biesheuvel , Will Deacon , Paul Kocialkowski , linux-kernel@vger.kernel.org, Pavel Machek , linux-arm-kernel@lists.infradead.org Subject: Re: [RFC/PATCH] arm: do not skip SMP init calls on SMP_ON_UP case Message-ID: <20151123121920.GP8644@n2100.arm.linux.org.uk> References: <1448279946-19975-1-git-send-email-nyushchenko@dev.rtsoft.ru> <20151123120317.GN8644@n2100.arm.linux.org.uk> <5653015C.4020405@dev.rtsoft.ru> <20151123121216.GO8644@n2100.arm.linux.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20151123121216.GO8644@n2100.arm.linux.org.uk> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1449 Lines: 31 On Mon, Nov 23, 2015 at 12:12:16PM +0000, Russell King - ARM Linux wrote: > iMX6 is fairly well supported in mainline. The only reason to use a > custom kernel is if you want to use some feature which mainline does > not support (or support very well) such as video decode, the full IPU > facilities, GPUs or CEC (sorry, I don't have an expansive list.) > > The GPU problem for the GC320/GC880/GC2000 is fairly close to being > solved in a functional (but maybe not yet performant) manner. For reference, iMX6S in mainline behaves like this: Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=12000) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) Initializing cgroup subsys net_cls CPU: Testing write buffer coherency: ok CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 Setting up static identity map for 0x100082c0 - 0x10008318 Brought up 1 CPUs SMP: Total of 1 processors activated (6.00 BogoMIPS). CPU: All CPU(s) started in SVC mode. -- FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/