---

yaml --- r: 101597 b: refs/heads/master c: 1c8950f h: refs/heads/master i: 101595: 8f86906 v: v3
git-mirror · May 14, 2008 · 1659e48 · 1659e48
1 parent 0bcb116
commit 1659e48
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Showing 5 changed files with 22 additions and 9 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9f1067c2d98ac1c43f0c82892f5647774a6ac759
+refs/heads/master: 1c8950ff87de950a3b6ccfb26650fc0a56278836
diff --git a/trunk/arch/powerpc/xmon/xmon.c b/trunk/arch/powerpc/xmon/xmon.c
@@ -54,7 +54,7 @@
 #define skipbl	xmon_skipbl
 
 #ifdef CONFIG_SMP
-cpumask_t cpus_in_xmon = CPU_MASK_NONE;
+static cpumask_t cpus_in_xmon = CPU_MASK_NONE;
 static unsigned long xmon_taken = 1;
 static int xmon_owner;
 static int xmon_gate;
@@ -327,6 +327,11 @@ static void release_output_lock(void)
 {
 	xmon_speaker = 0;
 }
+
+int cpus_are_in_xmon(void)
+{
+	return !cpus_empty(cpus_in_xmon);
+}
 #endif
 
 static int xmon_core(struct pt_regs *regs, int fromipi)

diff --git a/trunk/drivers/char/hvc_console.c b/trunk/drivers/char/hvc_console.c
@@ -675,12 +675,6 @@ static int hvc_poll(struct hvc_struct *hp)
 	return poll_mask;
 }
 
-#if defined(CONFIG_XMON) && defined(CONFIG_SMP)
-extern cpumask_t cpus_in_xmon;
-#else
-static const cpumask_t cpus_in_xmon = CPU_MASK_NONE;
-#endif
-
 /*
  * This kthread is either polling or interrupt driven.  This is determined by
  * calling hvc_poll() who determines whether a console adapter support
@@ -698,7 +692,7 @@ static int khvcd(void *unused)
 		hvc_kicked = 0;
 		try_to_freeze();
 		wmb();
-		if (cpus_empty(cpus_in_xmon)) {
+		if (!cpus_are_in_xmon()) {
 			spin_lock(&hvc_structs_lock);
 			list_for_each_entry(hp, &hvc_structs, next) {
 				poll_mask |= hvc_poll(hp);

diff --git a/trunk/drivers/char/hvc_console.h b/trunk/drivers/char/hvc_console.h
@@ -60,4 +60,14 @@ extern struct hvc_struct * __devinit hvc_alloc(uint32_t vtermno, int irq,
 /* remove a vterm from hvc tty operation (modele_exit or hotplug remove) */
 extern int __devexit hvc_remove(struct hvc_struct *hp);
 
+
+#if defined(CONFIG_XMON) && defined(CONFIG_SMP)
+#include <asm/xmon.h>
+#else
+static inline int cpus_are_in_xmon(void)
+{
+	return 0;
+}
+#endif
+
 #endif // HVC_CONSOLE_H
diff --git a/trunk/include/asm-powerpc/xmon.h b/trunk/include/asm-powerpc/xmon.h
@@ -25,5 +25,9 @@ static inline void xmon_setup(void) { };
 static inline void xmon_register_spus(struct list_head *list) { };
 #endif
 
+#if defined(CONFIG_XMON) && defined(CONFIG_SMP)
+extern int cpus_are_in_xmon(void);
+#endif
+
 #endif /* __KERNEL __ */
 #endif /* __ASM_POWERPC_XMON_H */