[patch] i386: halt the CPU on serious errors

[Chuck Ebbert]

Halt the CPU when serious errors are encountered and we
deliberately go into an infinite loop.

Suggested by Andreas Mohr.

Signed-off-by: Chuck Ebbert <76306.1226@xxxxxxxxxxxxxx>

--- 2.6.17-32.orig/arch/i386/kernel/crash.c
+++ 2.6.17-32/arch/i386/kernel/crash.c
@@ -113,8 +113,8 @@ static int crash_nmi_callback(struct pt_
 	disable_local_APIC();
 	atomic_dec(&waiting_for_crash_ipi);
 	/* Assume hlt works */
-	halt();
-	for(;;);
+	for (;;)
+		halt();
 
 	return 1;
 }
--- 2.6.17-32.orig/arch/i386/kernel/doublefault.c
+++ 2.6.17-32/arch/i386/kernel/doublefault.c
@@ -44,7 +44,8 @@ static void doublefault_fn(void)
 		}
 	}
 
-	for (;;) /* nothing */;
+	for (;;)
+		halt();
 }
 
 struct tss_struct doublefault_tss __cacheline_aligned = {
-- 
Chuck
 "You can't read a newspaper if you can't read."  --George W. Bush
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/