> Unfortunately, I ran into a bug with enabling RWSEM_DEBUG. The bug still
> exists in 2.4.7.
Could you try applying the attached patch, please.
David
_______________________________________________________________________________
diff -uNr linux-2.4.7/include/linux/rwsem.h linux-rwsem/include/linux/rwsem.h
--- linux-2.4.7/include/linux/rwsem.h Mon Jul 23 08:19:21 2001
+++ linux-rwsem/include/linux/rwsem.h Thu Jul 26 16:42:50 2001
@@ -9,7 +9,7 @@
#include <linux/linkage.h>
-#define RWSEM_DEBUG 0
+#define RWSEM_DEBUG 1
#ifdef __KERNEL__
@@ -27,11 +27,13 @@
#include <asm/rwsem.h> /* use an arch-specific implementation */
#endif
-#ifndef rwsemtrace
+#ifndef rwsemtrace_defined
+#define rwsemtrace_defined
#if RWSEM_DEBUG
-extern void FASTCALL(rwsemtrace(struct rw_semaphore *sem, const char *str));
+extern void FASTCALL(__rwsemtrace(struct rw_semaphore *sem, const char *str));
+#define rwsemtrace(SEM,STR) __rwsemtrace(SEM,STR)
#else
-#define rwsemtrace(SEM,FMT)
+#define rwsemtrace(SEM,STR)
#endif
#endif
diff -uNr linux-2.4.7/lib/rwsem-spinlock.c linux-rwsem/lib/rwsem-spinlock.c
--- linux-2.4.7/lib/rwsem-spinlock.c Mon Jul 23 08:19:18 2001
+++ linux-rwsem/lib/rwsem-spinlock.c Thu Jul 26 16:41:02 2001
@@ -18,7 +18,7 @@
};
#if RWSEM_DEBUG
-void rwsemtrace(struct rw_semaphore *sem, const char *str)
+void __rwsemtrace(struct rw_semaphore *sem, const char *str)
{
if (sem->debug)
printk("[%d] %s({%d,%d})\n",
@@ -235,5 +235,5 @@
EXPORT_SYMBOL(__up_read);
EXPORT_SYMBOL(__up_write);
#if RWSEM_DEBUG
-EXPORT_SYMBOL(rwsemtrace);
+EXPORT_SYMBOL(__rwsemtrace);
#endif
diff -uNr linux-2.4.7/lib/rwsem.c linux-rwsem/lib/rwsem.c
--- linux-2.4.7/lib/rwsem.c Mon Jul 23 08:21:25 2001
+++ linux-rwsem/lib/rwsem.c Thu Jul 26 16:40:56 2001
@@ -16,8 +16,7 @@
};
#if RWSEM_DEBUG
-#undef rwsemtrace
-void rwsemtrace(struct rw_semaphore *sem, const char *str)
+void __rwsemtrace(struct rw_semaphore *sem, const char *str)
{
printk("sem=%p\n",sem);
printk("(sem)=%08lx\n",sem->count);
@@ -206,5 +205,5 @@
EXPORT_SYMBOL_NOVERS(rwsem_down_write_failed);
EXPORT_SYMBOL_NOVERS(rwsem_wake);
#if RWSEM_DEBUG
-EXPORT_SYMBOL(rwsemtrace);
+EXPORT_SYMBOL(__rwsemtrace);
#endif
-
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This archive was generated by hypermail 2b29 : Tue Jul 31 2001 - 21:00:28 EST