X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=arch%2Fia64%2Fkernel%2Ftraps.c;h=fd80e70018a959ebffdf860c962cf0ff062cc4f5;hb=32974ad4907cdde6c9de612cd1b2ee0568fb9409;hp=78d65cb947d29c4fb763c346efed30a307130bfc;hpb=b3d9d6be035a7d1cc6740cee695301bf37caedcd;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index 78d65cb..fd80e70 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -19,7 +19,6 @@
 #include <linux/kdebug.h>
 
 #include <asm/fpswa.h>
-#include <asm/ia32.h>
 #include <asm/intrinsics.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
@@ -35,7 +34,7 @@ trap_init (void)
 		fpswa_interface = __va(ia64_boot_param->fpswa);
 }
 
-void
+int
 die (const char *str, struct pt_regs *regs, long err)
 {
 	static struct {
@@ -62,8 +61,11 @@ die (const char *str, struct pt_regs *regs, long err)
 	if (++die.lock_owner_depth < 3) {
 		printk("%s[%d]: %s %ld [%d]\n",
 		current->comm, task_pid_nr(current), str, err, ++die_counter);
-		(void) notify_die(DIE_OOPS, (char *)str, regs, err, 255, SIGSEGV);
-		show_regs(regs);
+		if (notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV)
+	            != NOTIFY_STOP)
+			show_regs(regs);
+		else
+			regs = NULL;
   	} else
 		printk(KERN_ERR "Recursive die() failure, output suppressed\n");
 
@@ -72,17 +74,22 @@ die (const char *str, struct pt_regs *regs, long err)
 	add_taint(TAINT_DIE);
 	spin_unlock_irq(&die.lock);
 
+	if (!regs)
+		return 1;
+
 	if (panic_on_oops)
 		panic("Fatal exception");
 
   	do_exit(SIGSEGV);
+	return 0;
 }
 
-void
+int
 die_if_kernel (char *str, struct pt_regs *regs, long err)
 {
 	if (!user_mode(regs))
-		die(str, regs, err);
+		return die(str, regs, err);
+	return 0;
 }
 
 void
@@ -102,7 +109,8 @@ __kprobes ia64_bad_break (unsigned long break_num, struct pt_regs *regs)
 		if (notify_die(DIE_BREAK, "break 0", regs, break_num, TRAP_BRKPT, SIGTRAP)
 			       	== NOTIFY_STOP)
 			return;
-		die_if_kernel("bugcheck!", regs, break_num);
+		if (die_if_kernel("bugcheck!", regs, break_num))
+			return;
 		sig = SIGILL; code = ILL_ILLOPC;
 		break;
 
@@ -155,8 +163,9 @@ __kprobes ia64_bad_break (unsigned long break_num, struct pt_regs *regs)
 		break;
 
 	      default:
-		if (break_num < 0x40000 || break_num > 0x100000)
-			die_if_kernel("Bad break", regs, break_num);
+		if ((break_num < 0x40000 || break_num > 0x100000)
+		    && die_if_kernel("Bad break", regs, break_num))
+			return;
 
 		if (break_num < 0x80000) {
 			sig = SIGILL; code = __ILL_BREAK;
@@ -402,14 +411,15 @@ ia64_illegal_op_fault (unsigned long ec, long arg1, long arg2, long arg3,
 #endif
 
 	sprintf(buf, "IA-64 Illegal operation fault");
-	die_if_kernel(buf, &regs, 0);
+	rv.fkt = 0;
+	if (die_if_kernel(buf, &regs, 0))
+		return rv;
 
 	memset(&si, 0, sizeof(si));
 	si.si_signo = SIGILL;
 	si.si_code = ILL_ILLOPC;
 	si.si_addr = (void __user *) (regs.cr_iip + ia64_psr(&regs)->ri);
 	force_sig_info(SIGILL, &si, current);
-	rv.fkt = 0;
 	return rv;
 }
 
@@ -615,10 +625,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 		break;
 
 	      case 45:
-#ifdef CONFIG_IA32_SUPPORT
-		if (ia32_exception(&regs, isr) == 0)
-			return;
-#endif
 		printk(KERN_ERR "Unexpected IA-32 exception (Trap 45)\n");
 		printk(KERN_ERR "  iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx\n",
 		       iip, ifa, isr);
@@ -626,10 +632,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 		break;
 
 	      case 46:
-#ifdef CONFIG_IA32_SUPPORT
-		if (ia32_intercept(&regs, isr) == 0)
-			return;
-#endif
 		printk(KERN_ERR "Unexpected IA-32 intercept trap (Trap 46)\n");
 		printk(KERN_ERR "  iip - 0x%lx, ifa - 0x%lx, isr - 0x%lx, iim - 0x%lx\n",
 		       iip, ifa, isr, iim);
@@ -644,6 +646,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 		sprintf(buf, "Fault %lu", vector);
 		break;
 	}
-	die_if_kernel(buf, &regs, error);
-	force_sig(SIGILL, current);
+	if (!die_if_kernel(buf, &regs, error))
+		force_sig(SIGILL, current);
 }