[Linuxconsole-commit]CVS: ruby/linux/arch/i386/mm fault.c,1.8,1.9

[James S. <jsi...@us...>]

Update of /cvsroot/linuxconsole/ruby/linux/arch/i386/mm
In directory usw-pr-cvs1:/tmp/cvs-serv14110/linux/arch/i386/mm

Modified Files:
	fault.c 
Log Message:
synced to 2.5.5

Index: fault.c
===================================================================
RCS file: /cvsroot/linuxconsole/ruby/linux/arch/i386/mm/fault.c,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -d -r1.8 -r1.9
--- fault.c	24 Jan 2002 18:48:57 -0000	1.8
+++ fault.c	14 Mar 2002 22:32:21 -0000	1.9
@@ -124,12 +124,6 @@
 	}
 }
 
-void do_BUG(const char *file, int line)
-{
-	bust_spinlocks(1);
-	printk("kernel BUG at %s:%d!\n", file, line);
-}
-
 asmlinkage void do_invalid_op(struct pt_regs *, unsigned long);
 extern unsigned long idt;
 
@@ -324,12 +318,20 @@
 	asm("movl %%cr3,%0":"=r" (page));
 	page = ((unsigned long *) __va(page))[address >> 22];
 	printk(KERN_ALERT "*pde = %08lx\n", page);
+	/*
+	 * We must not directly access the pte in the highpte
+	 * case, the page table might be allocated in highmem.
+	 * And lets rather not kmap-atomic the pte, just in case
+	 * it's allocated already.
+	 */
+#ifndef CONFIG_HIGHPTE
 	if (page & 1) {
 		page &= PAGE_MASK;
 		address &= 0x003ff000;
 		page = ((unsigned long *) __va(page))[address >> PAGE_SHIFT];
 		printk(KERN_ALERT "*pte = %08lx\n", page);
 	}
+#endif
 	die("Oops", regs, error_code);
 	bust_spinlocks(0);
 	do_exit(SIGKILL);
@@ -399,7 +401,7 @@
 			goto no_context;
 		set_pmd(pmd, *pmd_k);
 
-		pte_k = pte_offset(pmd_k, address);
+		pte_k = pte_offset_kernel(pmd_k, address);
 		if (!pte_present(*pte_k))
 			goto no_context;
 		return;