Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6: (78 commits)
  [PARISC] Use symbolic last syscall in __NR_Linux_syscalls
  [PARISC] Add missing statfs64 and fstatfs64 syscalls
  Revert "[PARISC] Optimize TLB flush on SMP systems"
  [PARISC] Compat signal fixes for 64-bit parisc
  [PARISC] Reorder syscalls to match unistd.h
  Revert "[PATCH] make kernel/signal.c:kill_proc_info() static"
  [PARISC] fix sys_rt_sigqueueinfo
  [PARISC] fix section mismatch warnings in harmony sound driver
  [PARISC] do not export get_register/set_register
  [PARISC] add ENTRY()/ENDPROC() and simplify assembly of HP/UX emulation code
  [PARISC] convert to use CONFIG_64BIT instead of __LP64__
  [PARISC] use CONFIG_64BIT instead of __LP64__
  [PARISC] add ASM_EXCEPTIONTABLE_ENTRY() macro
  [PARISC] more ENTRY(), ENDPROC(), END() conversions
  [PARISC] fix ENTRY() and ENDPROC() for 64bit-parisc
  [PARISC] Fixes /proc/cpuinfo cache output on B160L
  [PARISC] implement standard ENTRY(), END() and ENDPROC()
  [PARISC] kill ENTRY_SYS_CPUS
  [PARISC] clean up debugging printks in smp.c
  [PARISC] factor syscall_restart code out of do_signal
  ...

Fix conflict in include/linux/sched.h due to kill_proc_info() being made
publicly available to PARISC again.

1 files changed, 83 insertions, 5 deletions

diff --git a/include/asm-parisc/bug.h b/include/asm-parisc/bug.h
index 695588da41f..83ba510ed5d 100644
--- a/include/asm-parisc/bug.h
+++ b/include/asm-parisc/bug.h
@@ -1,14 +1,92 @@
 #ifndef _PARISC_BUG_H
 #define _PARISC_BUG_H
 
+/*
+ * Tell the user there is some problem.
+ * The offending file and line are encoded in the __bug_table section.
+ */
+
 #ifdef CONFIG_BUG
 #define HAVE_ARCH_BUG
-#define BUG() do { \
-	printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
-	dump_stack(); \
-	panic("BUG!"); \
-} while (0)
+#define HAVE_ARCH_WARN_ON
+
+/* the break instruction is used as BUG() marker.  */
+#define	PARISC_BUG_BREAK_ASM	"break 0x1f, 0x1fff"
+#define	PARISC_BUG_BREAK_INSN	0x03ffe01f  /* PARISC_BUG_BREAK_ASM */
+
+#if defined(CONFIG_64BIT)
+#define ASM_WORD_INSN		".dword\t"
+#else
+#define ASM_WORD_INSN		".word\t"
+#endif
+
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+#define BUG()								\
+	do {								\
+		asm volatile("\n"					\
+			     "1:\t" PARISC_BUG_BREAK_ASM "\n"		\
+			     "\t.pushsection __bug_table,\"a\"\n"	\
+			     "2:\t" ASM_WORD_INSN "1b, %c0\n"		\
+			     "\t.short %c1, %c2\n"			\
+			     "\t.org 2b+%c3\n"				\
+			     "\t.popsection"				\
+			     : : "i" (__FILE__), "i" (__LINE__),	\
+			     "i" (0), "i" (sizeof(struct bug_entry)) ); \
+		for(;;) ;						\
+	} while(0)
+
+#else
+#define BUG()								\
+	do {								\
+		asm volatile(PARISC_BUG_BREAK_ASM : : );		\
+		for(;;) ;						\
+	} while(0)
+#endif
+
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+#define __WARN()							\
+	do {								\
+		asm volatile("\n"					\
+			     "1:\t" PARISC_BUG_BREAK_ASM "\n"		\
+			     "\t.pushsection __bug_table,\"a\"\n"	\
+			     "2:\t" ASM_WORD_INSN "1b, %c0\n"		\
+			     "\t.short %c1, %c2\n"			\
+			     "\t.org 2b+%c3\n"				\
+			     "\t.popsection"				\
+			     : : "i" (__FILE__), "i" (__LINE__),	\
+			     "i" (BUGFLAG_WARNING),			\
+			     "i" (sizeof(struct bug_entry)) );		\
+	} while(0)
+#else
+#define __WARN()							\
+	do {								\
+		asm volatile("\n"					\
+			     "1:\t" PARISC_BUG_BREAK_ASM "\n"		\
+			     "\t.pushsection __bug_table,\"a\"\n"	\
+			     "2:\t" ASM_WORD_INSN "1b\n"		\
+			     "\t.short %c0\n"				\
+			     "\t.org 2b+%c1\n"				\
+			     "\t.popsection"				\
+			     : : "i" (BUGFLAG_WARNING),			\
+			     "i" (sizeof(struct bug_entry)) );		\
+	} while(0)
+#endif
+
+
+#define WARN_ON(x) ({						\
+	typeof(x) __ret_warn_on = (x);				\
+	if (__builtin_constant_p(__ret_warn_on)) {		\
+		if (__ret_warn_on)				\
+			__WARN();				\
+	} else {						\
+		if (unlikely(__ret_warn_on))			\
+			__WARN();				\
+	}							\
+	unlikely(__ret_warn_on);				\
+})
+
 #endif
 
 #include <asm-generic/bug.h>
 #endif
+