2007-01-09 02:13:34

by Jeff Dike

[permalink] [raw]
Subject: [PATCH 4/7] UML - Remove unused variable and function

syscall_index and next_syscall_index turn out not to be used.

Signed-off-by: Jeff Dike <[email protected]>
--
arch/um/include/kern_util.h | 1 -
arch/um/kernel/syscall.c | 16 ----------------
2 files changed, 17 deletions(-)

Index: linux-2.6.18-mm/arch/um/include/kern_util.h
===================================================================
--- linux-2.6.18-mm.orig/arch/um/include/kern_util.h 2007-01-08 16:15:33.000000000 -0500
+++ linux-2.6.18-mm/arch/um/include/kern_util.h 2007-01-08 16:29:07.000000000 -0500
@@ -61,7 +61,6 @@ extern int set_signals(int enable);
extern void force_sigbus(void);
extern int pid_to_processor_id(int pid);
extern void deliver_signals(void *t);
-extern int next_syscall_index(int max);
extern int next_trap_index(int max);
extern void default_idle(void);
extern void finish_fork(void);
Index: linux-2.6.18-mm/arch/um/kernel/syscall.c
===================================================================
--- linux-2.6.18-mm.orig/arch/um/kernel/syscall.c 2006-12-29 12:20:14.000000000 -0500
+++ linux-2.6.18-mm/arch/um/kernel/syscall.c 2007-01-08 16:29:14.000000000 -0500
@@ -149,22 +149,6 @@ long sys_olduname(struct oldold_utsname
return error;
}

-DEFINE_SPINLOCK(syscall_lock);
-
-static int syscall_index = 0;
-
-int next_syscall_index(int limit)
-{
- int ret;
-
- spin_lock(&syscall_lock);
- ret = syscall_index;
- if(++syscall_index == limit)
- syscall_index = 0;
- spin_unlock(&syscall_lock);
- return(ret);
-}
-
int kernel_execve(const char *filename, char *const argv[], char *const envp[])
{
mm_segment_t fs;