X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fextable.c;h=81e99d1f0d5be93476ff27761d0a44232463dc9f;hb=cab4e4c43f92582a2bfc026137b3d8a175bd0360;hp=e136ed8d82ba56ab81283a48fe3d6cfb41c23c79;hpb=6094c85a935f7eadb4c607c6dc6d86c0a9f09a4b;p=linux-2.6-omap-h63xx.git

diff --git a/kernel/extable.c b/kernel/extable.c
index e136ed8d82b..81e99d1f0d5 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -41,6 +41,14 @@ const struct exception_table_entry *search_exception_tables(unsigned long addr)
 	return e;
 }
 
+static inline int init_kernel_text(unsigned long addr)
+{
+	if (addr >= (unsigned long)_sinittext &&
+	    addr <= (unsigned long)_einittext)
+		return 1;
+	return 0;
+}
+
 __notrace_funcgraph int core_kernel_text(unsigned long addr)
 {
 	if (addr >= (unsigned long)_stext &&
@@ -48,8 +56,7 @@ __notrace_funcgraph int core_kernel_text(unsigned long addr)
 		return 1;
 
 	if (system_state == SYSTEM_BOOTING &&
-	    addr >= (unsigned long)_sinittext &&
-	    addr <= (unsigned long)_einittext)
+	    init_kernel_text(addr))
 		return 1;
 	return 0;
 }
@@ -58,14 +65,26 @@ __notrace_funcgraph int __kernel_text_address(unsigned long addr)
 {
 	if (core_kernel_text(addr))
 		return 1;
-	return __module_text_address(addr) != NULL;
+	if (is_module_text_address(addr))
+		return 1;
+	/*
+	 * There might be init symbols in saved stacktraces.
+	 * Give those symbols a chance to be printed in
+	 * backtraces (such as lockdep traces).
+	 *
+	 * Since we are after the module-symbols check, there's
+	 * no danger of address overlap:
+	 */
+	if (init_kernel_text(addr))
+		return 1;
+	return 0;
 }
 
 int kernel_text_address(unsigned long addr)
 {
 	if (core_kernel_text(addr))
 		return 1;
-	return module_text_address(addr) != NULL;
+	return is_module_text_address(addr);
 }
 
 /*
@@ -81,5 +100,5 @@ int func_ptr_is_kernel_text(void *ptr)
 	addr = (unsigned long) dereference_function_descriptor(ptr);
 	if (core_kernel_text(addr))
 		return 1;
-	return module_text_address(addr) != NULL;
+	return is_module_text_address(addr);
 }