core_kernel_data(): Fix architectures that do not define _sdata
Some architectures such as Alpha do not define _sdata but _data:
kernel/built-in.o: In function `core_kernel_data':
kernel/extable.c:77: undefined reference to `_sdata'
So expand the scope of the data range to the text addresses too,
this might be more correct anyway because this way we can
cover readonly variables as well.
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/n/tip-i878c8a0e0g0ep4v7i6vxnhz@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/extable.c b/kernel/extable.c
index c2d625f..d44aac0 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -74,7 +74,7 @@
int core_kernel_data(unsigned long addr)
{
- if (addr >= (unsigned long)_sdata &&
+ if (addr >= (unsigned long)_stext &&
addr < (unsigned long)_edata)
return 1;
return 0;