2006-08-02 19:59:12

by Jeff Dike

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

timer_irq_inited was useless, so it is removed.

Signed-off-by: Jeff Dike <[email protected]>

Index: linux-2.6.18-rc2-mm1/arch/um/include/kern_util.h
===================================================================
--- linux-2.6.18-rc2-mm1.orig/arch/um/include/kern_util.h 2006-08-02 15:53:09.000000000 -0400
+++ linux-2.6.18-rc2-mm1/arch/um/include/kern_util.h 2006-08-02 15:53:42.000000000 -0400
@@ -27,7 +27,6 @@ extern int ncpus;
extern char *linux_prog;
extern char *gdb_init;
extern int kmalloc_ok;
-extern int timer_irq_inited;
extern int jail;
extern int nsyscalls;

Index: linux-2.6.18-rc2-mm1/arch/um/os-Linux/signal.c
===================================================================
--- linux-2.6.18-rc2-mm1.orig/arch/um/os-Linux/signal.c 2006-08-02 15:53:39.000000000 -0400
+++ linux-2.6.18-rc2-mm1/arch/um/os-Linux/signal.c 2006-08-02 15:53:42.000000000 -0400
@@ -55,15 +55,8 @@ void sig_handler(int sig, struct sigcont
set_signals(enabled);
}

-extern int timer_irq_inited;
-
static void real_alarm_handler(int sig, struct sigcontext *sc)
{
- if(!timer_irq_inited){
- signals_enabled = 1;
- return;
- }
-
if(sig == SIGALRM)
switch_timers(0);

Index: linux-2.6.18-rc2-mm1/arch/um/kernel/time.c
===================================================================
--- linux-2.6.18-rc2-mm1.orig/arch/um/kernel/time.c 2006-08-02 15:53:41.000000000 -0400
+++ linux-2.6.18-rc2-mm1/arch/um/kernel/time.c 2006-08-02 15:53:42.000000000 -0400
@@ -35,9 +35,6 @@ unsigned long long sched_clock(void)
return (unsigned long long)jiffies_64 * (1000000000 / HZ);
}

-/* Changed at early boot */
-int timer_irq_inited = 0;
-
static unsigned long long prev_nsecs;
#ifdef CONFIG_UML_REAL_TIME_CLOCK
static long long delta; /* Deviation per interval */
@@ -116,8 +113,6 @@ static void register_timer(void)
printk(KERN_ERR "register_timer : request_irq failed - "
"errno = %d\n", -err);

- timer_irq_inited = 1;
-
err = set_interval(1);
if(err != 0)
printk(KERN_ERR "register_timer : set_interval failed - "