From: David Howells <dhowells@redhat.com>
To: torvalds@transmeta.com
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] put sys_call_table into R/O data
Date: Wed, 30 Apr 2003 14:42:25 +0100 [thread overview]
Message-ID: <25720.1051710145@warthog.warthog> (raw)
Hi Linus,
Here's a patch that puts the system call table into the R/O data section of
the i386.
David
diff -uNr -x'*.o' -x'.*' -xTAGS linux-2.5.67/arch/i386/kernel/entry.S linux-2.5.67-afs/arch/i386/kernel/entry.S
--- linux-2.5.67/arch/i386/kernel/entry.S 2003-03-28 11:37:52.000000000 +0000
+++ linux-2.5.67-afs/arch/i386/kernel/entry.S 2003-04-30 14:38:32.000000000 +0100
@@ -582,8 +582,8 @@
pushl $do_spurious_interrupt_bug
jmp error_code
-.data
-ENTRY(sys_call_table)
+.section .rodata
+sys_call_table:
.long sys_restart_syscall /* 0 - old "setup()" system call, used for restarting */
.long sys_exit
.long sys_fork
@@ -852,6 +852,6 @@
.long sys_clock_gettime /* 265 */
.long sys_clock_getres
.long sys_clock_nanosleep
-
-
+
+
nr_syscalls=(.-sys_call_table)/4
reply other threads:[~2003-04-30 13:30 UTC|newest]
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