Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6

[pandora-kernel.git] / arch / powerpc / include / asm / pte-common.h

diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
index f2b3701..76bb195 100644 (file)
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -171,6 +171,13 @@ extern unsigned long bad_call_to_PMD_PAGE_SIZE(void);
 /* Make modules code happy. We don't set RO yet */
 #define PAGE_KERNEL_EXEC       PAGE_KERNEL_X
 
+/*
+ * Don't just check for any non zero bits in __PAGE_USER, since for book3e
+ * and PTE_64BIT, PAGE_KERNEL_X contains _PAGE_BAP_SR which is also in
+ * _PAGE_USER.  Need to explictly match _PAGE_BAP_UR bit in that case too.
+ */
+#define pte_user(val)          ((val & _PAGE_USER) == _PAGE_USER)
+
 /* Advertise special mapping type for AGP */
 #define PAGE_AGP               (PAGE_KERNEL_NC)
 #define HAVE_PAGE_AGP