From: kaf24@freefall.cl.cam.ac.uk <kaf24@freefall.cl.cam.ac.uk>
Date: Mon, 27 Sep 2004 16:27:49 +0000 (+0000)
Subject: bitkeeper revision 1.1159.1.189 (41583f85F6e-ZiwZL5lxbc3U6KIkeQ)
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~17400^2~562
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22Dat/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22Dat?a=commitdiff_plain;h=08d79558c801b0071479e651c54387cf363cc52f;p=xen.git

bitkeeper revision 1.1159.1.189 (41583f85F6e-ZiwZL5lxbc3U6KIkeQ)

DOM0 never picks up wallclock time from Xen after initial boot.
---

diff --git a/linux-2.4.27-xen-sparse/arch/xen/kernel/time.c b/linux-2.4.27-xen-sparse/arch/xen/kernel/time.c
index 924a4a8efe..9257befe87 100644
--- a/linux-2.4.27-xen-sparse/arch/xen/kernel/time.c
+++ b/linux-2.4.27-xen-sparse/arch/xen/kernel/time.c
@@ -127,7 +127,8 @@ static int __init __independent_wallclock(char *str)
     return 1;
 }
 __setup("independent_wallclock", __independent_wallclock);
-
+#define INDEPENDENT_WALLCLOCK() \
+    (independent_wallclock || (start_info.flags & SIF_INITDOMAIN))
 
 #ifdef CONFIG_XEN_PRIVILEGED_GUEST
 /*
@@ -302,7 +303,7 @@ void do_settimeofday(struct timeval *tv)
     struct timeval newtv;
     suseconds_t usec;
     
-    if ( !independent_wallclock && !(start_info.flags & SIF_INITDOMAIN) )
+    if ( !INDEPENDENT_WALLCLOCK() )
         return;
     
     write_lock_irq(&xtime_lock);
@@ -424,7 +425,7 @@ static inline void do_timer_interrupt(int irq, void *dev_id,
      * synchronised ourselves, and we haven't chosen to keep an independent
      * time base.
      */
-    if ( !independent_wallclock && 
+    if ( !INDEPENDENT_WALLCLOCK() &&
          ((time_status & STA_UNSYNC) != 0) &&
          (xtime.tv_sec > (last_update_from_xen + 60)) )
     {
diff --git a/linux-2.6.8.1-xen-sparse/arch/xen/i386/kernel/time.c b/linux-2.6.8.1-xen-sparse/arch/xen/i386/kernel/time.c
index 10562570a8..83b496d338 100644
--- a/linux-2.6.8.1-xen-sparse/arch/xen/i386/kernel/time.c
+++ b/linux-2.6.8.1-xen-sparse/arch/xen/i386/kernel/time.c
@@ -146,6 +146,8 @@ static int __init __independent_wallclock(char *str)
 	return 1;
 }
 __setup("independent_wallclock", __independent_wallclock);
+#define INDEPENDENT_WALLCLOCK() \
+    (independent_wallclock || (start_info.flags & SIF_INITDOMAIN))
 
 /*
  * Reads a consistent set of time-base values from Xen, into a shadow data
@@ -260,7 +262,7 @@ int do_settimeofday(struct timespec *tv)
 	if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
 		return -EINVAL;
 
-	if (!independent_wallclock && !(start_info.flags & SIF_INITDOMAIN))
+	if (!INDEPENDENT_WALLCLOCK())
 		return 0; /* Silent failure? */
 
 	write_seqlock_irq(&xtime_lock);
@@ -392,7 +394,7 @@ static inline void do_timer_interrupt(int irq, void *dev_id,
 	 * synchronised ourselves, and we haven't chosen to keep an independent
 	 * time base.
 	 */
-	if (!independent_wallclock && 
+	if (!INDEPENDENT_WALLCLOCK() &&
 	    ((time_status & STA_UNSYNC) != 0) &&
 	    (xtime.tv_sec > (last_update_from_xen + 60))) {
 		/* Adjust shadow for jiffies that haven't updated xtime yet. */