From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755506Ab3KLOJq (ORCPT ); Tue, 12 Nov 2013 09:09:46 -0500 Received: from mail-pa0-f51.google.com ([209.85.220.51]:58868 "EHLO mail-pa0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751534Ab3KLOJn (ORCPT ); Tue, 12 Nov 2013 09:09:43 -0500 MIME-Version: 1.0 In-Reply-To: References: <20130917082838.218329307@infradead.org> <20130917183628.534494408@linutronix.de> <87txhg3ftx.fsf@igel.home> Date: Tue, 12 Nov 2013 15:09:42 +0100 X-Google-Sender-Auth: gLSD5CqT454ubS5MWHwphcGZOpQ Message-ID: Subject: Re: [patch 1/6] hardirq: Make hardirq bits generic From: Geert Uytterhoeven To: Thomas Gleixner Cc: Michael Schmitz , LKML , "Linux/m68k" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Thomas, On Mon, Nov 11, 2013 at 8:34 PM, Thomas Gleixner wrote: > Finally found the issue. The patch below fixes the problem here. The > little missing detail is, that I zapped GET_CURRENT() assuming blindly > that this is only needed for the preempt_count hackery. But in fact > the world and some more depends on it which leads to interesting > explosions. Yes, GET_CURRENT() sets up the current task in %a2. Many thanks for tracking this down! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds