Jan Beulich
2007-Dec-06 15:37 UTC
[Xen-devel] [PATCH] linux/i386: Use symbolic constants in dump_fault_path()
As usual, written and tested against 2.6.24-rc3 and made apply against
2.6.18 without further testing.
Signed-off-by: Jan Beulich <jbeulich@novell.com>
Index: head-2007-11-30/arch/i386/mm/fault-xen.c
==================================================================---
head-2007-11-30.orig/arch/i386/mm/fault-xen.c 2007-12-06 14:56:17.000000000
+0100
+++ head-2007-11-30/arch/i386/mm/fault-xen.c 2007-12-04 09:46:23.000000000 +0100
@@ -231,7 +226,7 @@ static void dump_fault_path(unsigned lon
p = (unsigned long *)__va(page);
p += (address >> 30) * 2;
printk(KERN_ALERT "%08lx -> *pde = %08lx:%08lx\n", page, p[1],
p[0]);
- if (p[0] & 1) {
+ if (p[0] & _PAGE_PRESENT) {
mfn = (p[0] >> PAGE_SHIFT) | (p[1] << 20);
page = mfn_to_pfn(mfn) << PAGE_SHIFT;
p = (unsigned long *)__va(page);
@@ -244,7 +239,7 @@ static void dump_fault_path(unsigned lon
if (mfn_to_pfn(mfn) >= highstart_pfn)
return;
#endif
- if (p[0] & 1) {
+ if (p[0] & _PAGE_PRESENT) {
page = mfn_to_pfn(mfn) << PAGE_SHIFT;
p = (unsigned long *) __va(page);
address &= 0x001fffff;
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