From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161499AbWJUQwm (ORCPT ); Sat, 21 Oct 2006 12:52:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2993143AbWJUQv7 (ORCPT ); Sat, 21 Oct 2006 12:51:59 -0400 Received: from ns2.suse.de ([195.135.220.15]:696 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S2993133AbWJUQvd (ORCPT ); Sat, 21 Oct 2006 12:51:33 -0400 From: Andi Kleen References: <20061021 651.356252000@suse.de> In-Reply-To: <20061021 651.356252000@suse.de> To: "Jan Beulich" , patches@x86-64.org, linux-kernel@vger.kernel.org Subject: [PATCH] [12/19] x86_64: Fix ENOSYS in system call tracing Message-Id: <20061021165132.5F1B713CB4@wotan.suse.de> Date: Sat, 21 Oct 2006 18:51:32 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org From: "Jan Beulich" This patch: - out of range system calls failing to return -ENOSYS under system call tracing [AK: split out from another patch by Jan as separate bugfix] Signed-off-by: Jan Beulich Signed-off-by: Andi Kleen --- arch/x86_64/kernel/entry.S | 2 ++ 1 files changed, 2 insertions(+) Index: linux/arch/x86_64/kernel/entry.S =================================================================== --- linux.orig/arch/x86_64/kernel/entry.S +++ linux/arch/x86_64/kernel/entry.S @@ -315,6 +315,8 @@ tracesys: LOAD_ARGS ARGOFFSET /* reload args from stack in case ptrace changed it */ RESTORE_REST cmpq $__NR_syscall_max,%rax + movq $-ENOSYS,%rcx + cmova %rcx,%rax ja 1f movq %r10,%rcx /* fixup for C */ call *sys_call_table(,%rax,8)