linux-kernel - [PATCH 4/4] UML - Remove unused variable

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Date:	Wed, 02 Aug 2006 15:58:22 -0400
From:	Jeff Dike <jdike@...toit.com>
To:	akpm@...l.org
cc:	linux-kernel@...r.kernel.org,
	user-mode-linux-devel@...ts.sourceforge.net
Subject: [PATCH 4/4] UML - Remove unused variable

timer_irq_inited was useless, so it is removed.

Signed-off-by: Jeff Dike <jdike@...toit.com>

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 - "

-
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