[Xen-changelog] Fix __pte,__pmd,__pgd for PAE.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 0daaf1e5ca363f1c23fac69210dc992800b889a4
# Parent  da515995a281c2b6831ce4f1cee5ee4b10f24b31
Fix __pte,__pmd,__pgd for PAE.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r da515995a281 -r 0daaf1e5ca36 
linux-2.6-xen-sparse/include/asm-xen/asm-i386/page.h
--- a/linux-2.6-xen-sparse/include/asm-xen/asm-i386/page.h      Sun Aug 14 
17:44:30 2005
+++ b/linux-2.6-xen-sparse/include/asm-xen/asm-i386/page.h      Sun Aug 14 
18:58:25 2005
@@ -63,15 +63,20 @@
 extern unsigned int *phys_to_machine_mapping;
 #define pfn_to_mfn(_pfn) ((unsigned long)(phys_to_machine_mapping[(_pfn)]))
 #define mfn_to_pfn(_mfn) ((unsigned long)(machine_to_phys_mapping[(_mfn)]))
-static inline unsigned long phys_to_machine(unsigned long phys)
-{
-       unsigned long machine = pfn_to_mfn(phys >> PAGE_SHIFT);
+#ifdef CONFIG_X86_PAE
+typedef unsigned long long physaddr_t;
+#else
+typedef unsigned long physaddr_t;
+#endif
+static inline physaddr_t phys_to_machine(physaddr_t phys)
+{
+       physaddr_t machine = pfn_to_mfn(phys >> PAGE_SHIFT);
        machine = (machine << PAGE_SHIFT) | (phys & ~PAGE_MASK);
        return machine;
 }
-static inline unsigned long machine_to_phys(unsigned long machine)
-{
-       unsigned long phys = mfn_to_pfn(machine >> PAGE_SHIFT);
+static inline physaddr_t machine_to_phys(physaddr_t machine)
+{
+       physaddr_t phys = mfn_to_pfn(machine >> PAGE_SHIFT);
        phys = (phys << PAGE_SHIFT) | (machine & ~PAGE_MASK);
        return phys;
 }
@@ -86,8 +91,9 @@
 typedef struct { unsigned long long pmd; } pmd_t;
 typedef struct { unsigned long long pgd; } pgd_t;
 typedef struct { unsigned long long pgprot; } pgprot_t;
-#define __pte(x) ({ unsigned long long _x = (x); \
-    (((_x)&1) ? ((pte_t) {phys_to_machine(_x)}) : ((pte_t) {(_x)})); })
+#define __pte(x) ({ unsigned long long _x = (x);        \
+    if (_x & 1) _x = phys_to_machine(_x);               \
+    ((pte_t) {(unsigned long)(_x), (unsigned long)(_x>>32)}); })
 #define __pgd(x) ({ unsigned long long _x = (x); \
     (((_x)&1) ? ((pgd_t) {phys_to_machine(_x)}) : ((pgd_t) {(_x)})); })
 #define __pmd(x) ({ unsigned long long _x = (x); \

_______________________________________________
Xen-changelog mailing list
Xen-changelog@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-changelog