summary refs log tree commit diff
path: root/arch/um
diff options
context:
space:
mode:
authorJeff Dike <jdike@addtoit.com>2007-10-16 01:27:23 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 09:43:08 -0700
commit78a26e25ce4837a03ac3b6c32cdae1958e547639 (patch)
treed50a46a1af87f62781c2eb781cd7e20cea20e5ff /arch/um
parenta2f018bf389422a55f1455ab8b9b5eedc5ea1803 (diff)
downloadlinux-78a26e25ce4837a03ac3b6c32cdae1958e547639.tar.gz
uml: separate timer initialization
Move timer signal initialization from init_irq_signals to a new function,
timer_init.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/include/os.h1
-rw-r--r--arch/um/kernel/time.c2
-rw-r--r--arch/um/os-Linux/irq.c4
-rw-r--r--arch/um/os-Linux/signal.c10
4 files changed, 13 insertions, 4 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 1897785fd571..a6d80721d3c4 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -227,6 +227,7 @@ extern int set_umid(char *name);
 extern char *get_umid(void);
 
 /* signal.c */
+extern void timer_init(void);
 extern void set_sigstack(void *sig_stack, int size);
 extern void remove_sigstack(void);
 extern void set_handler(int sig, void (*handler)(int), int flags, ...);
diff --git a/arch/um/kernel/time.c b/arch/um/kernel/time.c
index 2bda07dcd345..758d4f9cb22a 100644
--- a/arch/um/kernel/time.c
+++ b/arch/um/kernel/time.c
@@ -97,6 +97,8 @@ static void register_timer(void)
 {
 	int err;
 
+	timer_init();
+
 	err = request_irq(TIMER_IRQ, um_timer, IRQF_DISABLED, "timer", NULL);
 	if (err != 0)
 		printk(KERN_ERR "register_timer : request_irq failed - "
diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c
index a633fa8e0a94..2fe482219b6b 100644
--- a/arch/um/os-Linux/irq.c
+++ b/arch/um/os-Linux/irq.c
@@ -145,10 +145,6 @@ void init_irq_signals(int on_sigstack)
 
 	flags = on_sigstack ? SA_ONSTACK : 0;
 
-	set_handler(SIGVTALRM, (__sighandler_t) alarm_handler,
-		    flags | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
-	set_handler(SIGALRM, (__sighandler_t) alarm_handler,
-		    flags | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH, SIGALRM, -1);
 	set_handler(SIGIO, (__sighandler_t) sig_handler, flags | SA_RESTART,
 		    SIGUSR1, SIGIO, SIGWINCH, SIGALRM, SIGVTALRM, -1);
 	signal(SIGWINCH, SIG_IGN);
diff --git a/arch/um/os-Linux/signal.c b/arch/um/os-Linux/signal.c
index 1c5267ec13b0..53593c8b9c34 100644
--- a/arch/um/os-Linux/signal.c
+++ b/arch/um/os-Linux/signal.c
@@ -85,6 +85,16 @@ void alarm_handler(int sig, struct sigcontext *sc)
 	set_signals(enabled);
 }
 
+void timer_init(void)
+{
+	set_handler(SIGVTALRM, (__sighandler_t) alarm_handler,
+		    SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH,
+		    SIGALRM, -1);
+	set_handler(SIGALRM, (__sighandler_t) alarm_handler,
+		    SA_ONSTACK | SA_RESTART, SIGUSR1, SIGIO, SIGWINCH,
+		    SIGALRM, -1);
+}
+
 void set_sigstack(void *sig_stack, int size)
 {
 	stack_t stack = ((stack_t) { .ss_flags	= 0,