From: Harvey Harrison <harvey.harrison@gmail.com>
Date: Wed, 30 Jan 2008 12:34:10 +0000 (+0100)
Subject: x86: unify page fault oops printing
X-Git-Tag: v2.6.25-rc1~1143^2~20
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=19f0dda91e0dcb38c97bbfcff62b108a3bbc7907;p=linux-2.6

x86: unify page fault oops printing

This changes the oops dumping format for page faults to
be similar between X86_32 and 64.

This is the first user of printk_address on X86_32.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/arch/x86/mm/fault_32.c b/arch/x86/mm/fault_32.c
index fda3997588..28ea3d3ec8 100644
--- a/arch/x86/mm/fault_32.c
+++ b/arch/x86/mm/fault_32.c
@@ -340,15 +340,15 @@ static void show_fault_oops(struct pt_regs *regs, unsigned long error_code,
 				"(uid: %d)\n", current->uid);
 	}
 #endif
+	printk(KERN_ALERT "BUG: unable to handle kernel ");
 	if (address < PAGE_SIZE)
-		printk(KERN_ALERT "BUG: unable to handle kernel NULL "
-				"pointer dereference");
+		printk(KERN_CONT "NULL pointer dereference");
 	else
-		printk(KERN_ALERT "BUG: unable to handle kernel paging"
-				" request");
-	printk(" at virtual address %08lx\n", address);
-	printk(KERN_ALERT "printing ip: %08lx ", regs->ip);
+		printk(KERN_CONT "paging request");
+	printk(KERN_CONT " at %08lx\n", address);
 
+	printk(KERN_ALERT "IP:");
+	printk_address(regs->ip, 1);
 	dump_pagetable(address);
 }
 
diff --git a/arch/x86/mm/fault_64.c b/arch/x86/mm/fault_64.c
index 1897704dad..e12c34ba4b 100644
--- a/arch/x86/mm/fault_64.c
+++ b/arch/x86/mm/fault_64.c
@@ -296,11 +296,14 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address)
 static void show_fault_oops(struct pt_regs *regs, unsigned long error_code,
 			    unsigned long address)
 {
+	printk(KERN_ALERT "BUG: unable to handle kernel ");
 	if (address < PAGE_SIZE)
-		printk(KERN_ALERT "Unable to handle kernel NULL pointer dereference");
+		printk(KERN_CONT "NULL pointer dereference");
 	else
-		printk(KERN_ALERT "Unable to handle kernel paging request");
-	printk(" at %016lx RIP: \n" KERN_ALERT, address);
+		printk(KERN_CONT "paging request");
+	printk(KERN_CONT " at %016lx\n", address);
+
+	printk(KERN_ALERT "IP:");
 	printk_address(regs->ip, 1);
 	dump_pagetable(address);
 }