Changeset 14df080 in mainline

Timestamp:

2006-06-08T16:17:59Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

85d24f61

Parents:

3701250

Message:

Print spurious interrupt messages only when compiled with CONFIG_DEBUG.
Print warning about looping spinlock only after 100000000 unsuccessfull attempts to gain the spinlock.

Files:

• arch/ia32/src/drivers/i8259.c (modified) (1 diff)
• arch/ia32/src/smp/apic.c (modified) (1 diff)
• generic/src/synch/spinlock.c (modified) (2 diffs)

arch/ia32/src/drivers/i8259.c

@@ -121 +121 @@
 void pic_spurious(int n, istate_t *istate)
 {
+#ifdef CONFIG_DEBUG
         printf("cpu%d: PIC spurious interrupt\n", CPU->id);
+#endif
 }

arch/ia32/src/smp/apic.c

@@ -172 +172 @@
 void apic_spurious(int n, istate_t *istate)
 {
+#ifdef CONFIG_DEBUG
         printf("cpu%d: APIC spurious interrupt\n", CPU->id);
+#endif
 }
 

generic/src/synch/spinlock.c

@@ -70 +70 @@
  */
 #ifdef CONFIG_DEBUG_SPINLOCK
+#define DEADLOCK_THRESHOLD      100000000
 void spinlock_lock_debug(spinlock_t *sl)
 {
@@ -102 +103 @@
                         continue;
 #endif
-                if (i++ > 10000000) {
+                if (i++ > DEADLOCK_THRESHOLD) {
                         printf("cpu%d: looping on spinlock %.*p:%s, caller=%.*p",
                                CPU->id, sizeof(__address) * 2, sl, sl->name, sizeof(__address) * 2, CALLER);