Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756660Ab1EaOPX (ORCPT ); Tue, 31 May 2011 10:15:23 -0400 Received: from DMZ-MAILSEC-SCANNER-7.MIT.EDU ([18.7.68.36]:57397 "EHLO dmz-mailsec-scanner-7.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755405Ab1EaOPQ (ORCPT ); Tue, 31 May 2011 10:15:16 -0400 X-AuditID: 12074424-b7bc6ae000005a77-f2-4de4f7f355ce From: Andy Lutomirski To: Ingo Molnar , x86@kernel.org Cc: Thomas Gleixner , linux-kernel@vger.kernel.org, Jesper Juhl , Borislav Petkov , Linus Torvalds , Andrew Morton , Arjan van de Ven , Jan Beulich , richard -rw- weinberger , Mikael Pettersson , Andi Kleen , Andy Lutomirski Subject: [PATCH v4 06/10] x86-64: Remove vsyscall number 3 (venosys) Date: Tue, 31 May 2011 10:14:04 -0400 Message-Id: X-Mailer: git-send-email 1.7.5.1 In-Reply-To: References: In-Reply-To: References: X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrDKsWRmVeSWpSXmKPExsUixG6novv5+xNfg/0L+C3mrF/DZtF35Si7 xZFr39ktZl3jtfi84R+bxYFfT9ks3l/dzmZxedccNosnzdcZLbZcama1+DBxA5vF5k1TmS0e 9b1lt/ix4TGrA5/H99Y+Fo9jZw4zetxq+8PsMX/nR0aPnbPusntsXqHl8f/lETaPTas62Tze nTvH7nFixm8Wj+NnnD0+b5IL4InisklJzcksSy3St0vgyrjccY6lYA9nReuUc8wNjK/Zuxg5 OSQETCQ27vvGAmGLSVy4t56ti5GLQ0hgH6NE/8bZzBDOBkaJ25u/s0M4z5gkTt3cwwbSwiag ItGx9AFTFyMHh4iAvsTVz4wgNcwCk1gkDv89DTZWWMBFYvKWXkYQm0VAVeLfy+msIPW8AkES m1a4QmxWkLhyZR5YOaeAgcT2q6sYQUqEgEYe/6CLQ3gCo8ACRoZVjLIpuVW6uYmZOcWpybrF yYl5ealFuuZ6uZkleqkppZsYwRHjorKDsfmQ0iFGAQ5GJR7elIOPfYVYE8uKK3MPMUpyMCmJ 8lZ8e+IrxJeUn1KZkVicEV9UmpNafIhRgoNZSYT3Gx9QjjclsbIqtSgfJiXNwaIkzjtPUt1X SCA9sSQ1OzW1ILUIJivDwaEkwZsLTAxCgkWp6akVaZk5JQhpJg5OkOE8QMMLQRbzFhck5hZn pkPkTzHqcjSu3XGQUYglLz8vVUqc1wpkkABIUUZpHtwcWKJ7xSgO9JYwrwJIFQ8wScJNegW0 hAloSe+7hyBLShIRUlINjA1eKf+VD3BuufHz9+ntLXpXLm3xammybUvKuNfsxqfeFs0Tc6y6 8NcP1+sGs1dXxe64e2Cv+Df2i8z6pouOasplNG83qqzjjWcWZWZ1n3Ilq7ZHn3/ypdOPLubz 8O3p02piM93vkLvuIPP2PRLLs1b1uV6fyHNa8MMXBxa55RWBtpc0Pq7/rsRSnJFoqMVcVJwI ALXV/qVPAwAA Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1415 Lines: 47 It just segfaults since April 2008 (a4928cff), so I'm pretty sure that nothing uses it. And having an empty section makes the linker script a bit fragile. Signed-off-by: Andy Lutomirski --- arch/x86/kernel/vmlinux.lds.S | 4 ---- arch/x86/kernel/vsyscall_64.c | 3 --- 2 files changed, 0 insertions(+), 7 deletions(-) diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 3d89a00..dc8ac70 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -182,10 +182,6 @@ SECTIONS *(.vsyscall_2) } - .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3)) { - *(.vsyscall_3) - } - . = ALIGN(__vsyscall_0 + PAGE_SIZE, PAGE_SIZE); #undef VSYSCALL_ADDR diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 9b2f3f5..c7fe325 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -209,9 +209,6 @@ vgetcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache) return 0; } -static long __vsyscall(3) venosys_1(void) -{ - return -ENOSYS; } /* Assume __initcall executes before all user space. Hopefully kmod -- 1.7.5.1 -- 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/