Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754858Ab2FWPrj (ORCPT ); Sat, 23 Jun 2012 11:47:39 -0400 Received: from astoria.ccjclearline.com ([64.235.106.9]:49286 "EHLO astoria.ccjclearline.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751186Ab2FWPri (ORCPT ); Sat, 23 Jun 2012 11:47:38 -0400 Date: Sat, 23 Jun 2012 11:47:33 -0400 (EDT) From: "Robert P. J. Day" X-X-Sender: rpjday@oneiric To: Linux Kernel Mailing List Subject: should there still be arch-specific 4KSTACKS support? Message-ID: User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - astoria.ccjclearline.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - crashcourse.ca X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1813 Lines: 46 via some convoluted logic, i ended up doing the following search: $ grep -r 4KSTACKS * arch/sh/configs/r7785rp_defconfig:CONFIG_4KSTACKS=y arch/sh/Kconfig.debug:config 4KSTACKS arch/sh/include/asm/thread_info.h:#if defined(CONFIG_4KSTACKS) arch/mn10300/include/asm/thread_info.h:#ifdef CONFIG_4KSTACKS arch/m68k/Kconfig.machine:config 4KSTACKS arch/m68k/configs/m5208evb_defconfig:# CONFIG_4KSTACKS is not set arch/m68k/configs/m5275evb_defconfig:# CONFIG_4KSTACKS is not set arch/m68k/configs/m5475evb_defconfig:# CONFIG_4KSTACKS is not set arch/m68k/include/asm/thread_info.h:#ifdef CONFIG_4KSTACKS arch/c6x/include/asm/thread_info.h:#ifdef CONFIG_4KSTACKS drivers/lguest/interrupts_and_traps.c: * Depending on the CONFIG_4KSTACKS option, the Guest can have one or kernel/lockdep.c: * hardirq contexts (such as on 4KSTACKS), so only $ so even though 4KSTACKS support was officially removed in June of 2010: $ git show dcfa7262 there's still traces of it, some of it obviously harmless, leftover cruft, but it would appear that both sh and m68k still provide a 4KSTACKS config option. how much of that can be tossed as useless? rday -- ======================================================================== Robert P. J. Day Ottawa, Ontario, CANADA http://crashcourse.ca Twitter: http://twitter.com/rpjday LinkedIn: http://ca.linkedin.com/in/rpjday ======================================================================== -- 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/