From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 11 Jan 2001 11:57:47 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 11 Jan 2001 11:57:27 -0500 Received: from smtp5.mail.yahoo.com ([128.11.69.102]:55045 "HELO smtp5.mail.yahoo.com") by vger.kernel.org with SMTP id ; Thu, 11 Jan 2001 11:57:20 -0500 X-Apparently-From: Message-ID: <3A5DE454.2EFBF5C1@yahoo.com> Date: Thu, 11 Jan 2001 11:50:28 -0500 From: Paul Gortmaker X-Mailer: Mozilla 3.04 (X11; I; Linux 2.4.0 i486) MIME-Version: 1.0 To: linux-kernel list Subject: [PATCH-2.4] verify_write not needed 486 & up Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org The existing CONFIG_WP_WORKS_OK can be used to exclude verify_write from being built into kernels for 486 and higher. Paul. --- arch/i386/mm/fault.c~ Mon Nov 20 04:19:42 2000 +++ arch/i386/mm/fault.c Thu Jan 11 09:03:50 2001 @@ -4,6 +4,7 @@ * Copyright (C) 1995 Linus Torvalds */ +#include #include #include #include @@ -25,6 +26,7 @@ extern void die(const char *,struct pt_regs *,long); +#ifndef CONFIG_X86_WP_WORKS_OK /* * Ugly, ugly, but the goto's result in better assembly.. */ @@ -76,6 +78,7 @@ bad_area: return 0; } +#endif extern spinlock_t console_lock, timerlist_lock; --- arch/i386/kernel/i386_ksyms.c~ Thu Jan 11 09:06:12 2001 +++ arch/i386/kernel/i386_ksyms.c Thu Jan 11 09:05:57 2001 @@ -53,7 +53,9 @@ EXPORT_SYMBOL(EISA_bus); #endif EXPORT_SYMBOL(MCA_bus); +#ifndef CONFIG_X86_WP_WORKS_OK EXPORT_SYMBOL(__verify_write); +#endif EXPORT_SYMBOL(dump_thread); EXPORT_SYMBOL(dump_fpu); EXPORT_SYMBOL(dump_extended_fpu); _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/