From c65d62d8bfbc3e800e17a580267fa77de5d01d6b Mon Sep 17 00:00:00 2001 From: Brian Behlendorf Date: Thu, 30 Jul 2009 13:52:11 -0700 Subject: [PATCH] Disable stack overflow checking by default. The run time stack overflow checking is being disabled by default because it is not safe for use with 2.6.29 and latter kernels. These kernels do now have their own stack overflow checking so this support has become redundant anyway. It can be re-enabled for older kernels or arches without stack overflow checking by redefining CHECK_STACK(). --- include/sys/debug.h | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/include/sys/debug.h b/include/sys/debug.h index 8da7686..639b4cc 100644 --- a/include/sys/debug.h +++ b/include/sys/debug.h @@ -282,7 +282,15 @@ do { \ } \ } while (0) -#define CHECK_STACK() __CHECK_STACK(__FILE__, __func__, __LINE__) +/* NOTE: The run time stack overflow checking is being disabled by default + * because it is not safe for use with 2.6.29 and latter kernels. These + * kernels do now have their own stack overflow checking so this support + * has become redundant anyway. It can be re-enabled for older kernels or + * arches without stack overflow checking by redefining CHECK_STACK(). + * + * #define CHECK_STACK() __CHECK_STACK(__FILE__, __func__, __LINE__) + */ +#define CHECK_STACK() ((void)0) /* ASSERTION that is safe to use within the debug system */ #define __ASSERT(cond) \ -- 2.39.5