patch-2.4.19 linux-2.4.19/include/asm-i386/page.h

• Lines: 36
• Date: Fri Aug 2 17:39:45 2002
• Orig file: linux-2.4.18/include/asm-i386/page.h
• Orig date: Mon Feb 25 11:38:12 2002

diff -urN linux-2.4.18/include/asm-i386/page.h linux-2.4.19/include/asm-i386/page.h
@@ -91,16 +91,18 @@
 /*
  * Tell the user there is some problem. Beep too, so we can
  * see^H^H^Hhear bugs in early bootup as well!
+ * The offending file and line are encoded after the "officially
+ * undefined" opcode for parsing in the trap handler.
  */
 
-#ifdef CONFIG_DEBUG_BUGVERBOSE
-extern void do_BUG(const char *file, int line);
-#define BUG() do {					\
-	do_BUG(__FILE__, __LINE__);			\
-	__asm__ __volatile__("ud2");			\
-} while (0)
+#if 1	/* Set to zero for a slightly smaller kernel */
+#define BUG()				\
+ __asm__ __volatile__(	"ud2\n"		\
+			"\t.word %c0\n"	\
+			"\t.long %c1\n"	\
+			 : : "i" (__LINE__), "i" (__FILE__))
 #else
-#define BUG() __asm__ __volatile__(".byte 0x0f,0x0b")
+#define BUG() __asm__ __volatile__("ud2\n")
 #endif
 
 #define PAGE_BUG(page) do { \
@@ -132,6 +134,9 @@
 #define virt_to_page(kaddr)	(mem_map + (__pa(kaddr) >> PAGE_SHIFT))
 #define VALID_PAGE(page)	((page - mem_map) < max_mapnr)
 
+#define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | VM_EXEC | \
+				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
+
 #endif /* __KERNEL__ */
 
 #endif /* _I386_PAGE_H */