From: "Søren Nøhr Christensen" <snc@cs.aau.dk>
To: linux-kernel@vger.kernel.org
Cc: umbrella@cs.aau.dk
Subject: Syscall trouble
Date: Tue, 30 Nov 2004 14:55:19 +0100 [thread overview]
Message-ID: <200411301455.19143.snc@cs.aau.dk> (raw)
Hi all!
I have implemented a systemcall against linux-2.6.8.1 using the following
patches:
--- linux-2.6.8.1-clean/arch/i386/kernel/entry.S 2004-08-14
12:55:09.000000000 +0200
+++ linux-2.6.8.1/arch/i386/kernel/entry.S 2004-11-30 14:48:36.000000000
+0100
@@ -887,4 +887,7 @@
.long sys_mq_getsetattr
.long sys_ni_syscall /* reserved for kexec */
+ .long sys_umb_set_child_restrictions
syscall_table_size=(.-sys_call_table)
--- linux-2.6.8.1-clean/include/asm-i386/unistd.h 2004-08-14
12:55:35.000000000 +0200
+++ linux-2.6.8.1/include/asm-i386/unistd.h 2004-11-30 14:48:36.000000000
+0100
@@ -290,8 +290,13 @@
#define __NR_mq_getsetattr (__NR_mq_open+5)
#define __NR_sys_kexec_load 283
-#define NR_syscalls 284
-
+#define __NR_umb_set_child_restrictions 284
+
+#define NR_syscalls 285
/* user-visible error numbers are in the range -1 - -124: see
<asm-i386/errno.h> */
#define __syscall_return(type, res) \
This works like a charm. If i apply this to linux-2.6.9 it does not work
anymore. The syscall is in kallsyms, but nothing happens when I call it.
Any suggestions?
What am I missing?
//snc
----------------
Søren Nøhr Christensen
Computer Science @ AAU
snc@cs.aau.dk
next reply other threads:[~2004-11-30 13:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-30 13:55 Søren Nøhr Christensen [this message]
2004-11-30 21:03 ` Syscall trouble Chris Wright
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