X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Fkernel.h;h=2955e672391d5e41f35b1e56bdf1517ecd076e30;hb=c09637550f459a0d78f2c4c743adda74a801c7a8;hp=350dfb08aee36bdce54c8ecf683dd7afed7b46ab;hpb=0aba0ab8915bcad3ae7e05e18bc2c5c55570e328;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 350dfb08aee3..2955e672391d 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -607,7 +607,7 @@ do {							\
 
 #define do_trace_printk(fmt, args...)					\
 do {									\
-	static const char *trace_printk_fmt				\
+	static const char *trace_printk_fmt __used			\
 		__attribute__((section("__trace_printk_fmt"))) =	\
 		__builtin_constant_p(fmt) ? fmt : NULL;			\
 									\
@@ -651,7 +651,7 @@ int __trace_printk(unsigned long ip, const char *fmt, ...);
  */
 
 #define trace_puts(str) ({						\
-	static const char *trace_printk_fmt				\
+	static const char *trace_printk_fmt __used			\
 		__attribute__((section("__trace_printk_fmt"))) =	\
 		__builtin_constant_p(str) ? str : NULL;			\
 									\
@@ -673,7 +673,7 @@ extern void trace_dump_stack(int skip);
 #define ftrace_vprintk(fmt, vargs)					\
 do {									\
 	if (__builtin_constant_p(fmt)) {				\
-		static const char *trace_printk_fmt			\
+		static const char *trace_printk_fmt __used		\
 		  __attribute__((section("__trace_printk_fmt"))) =	\
 			__builtin_constant_p(fmt) ? fmt : NULL;		\
 									\
@@ -830,4 +830,8 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { }
 	 /* OTHER_WRITABLE?  Generally considered a bad idea. */		\
 	 BUILD_BUG_ON_ZERO((perms) & 2) +					\
 	 (perms))
+
+/* To identify board information in panic logs, set this */
+extern char *mach_panic_string;
+
 #endif