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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-06 01:55:20 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-06 01:55:20 +0400
commitea62ccd00fd0b6720b033adfc9984f31130ce195 (patch)
tree9837b797b2466fffcb0af96c388b06eae9c3df18 /include/asm-i386/page.h
parent886a0768affe9a32f18c45f8e1393bca9ece5392 (diff)
parent35060b6a9a4e1c89bc6fbea61090e302dbc61847 (diff)
downloadlinux-ea62ccd00fd0b6720b033adfc9984f31130ce195.tar.xz
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits) [PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall [PATCH] i386: type may be unused [PATCH] i386: Some additional chipset register values validation. [PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split. [PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff [PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu [PATCH] i386: white space fixes in i387.h [PATCH] i386: Drop noisy e820 debugging printks [PATCH] x86-64: Fix allnoconfig error in genapic_flat.c [PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems [PATCH] x86-64: Share identical video.S between i386 and x86-64 [PATCH] x86-64: Remove CONFIG_REORDER [PATCH] x86-64: Print type and size correctly for unknown compat ioctls [PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0) [PATCH] i386: Little cleanups in smpboot.c [PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning [PATCH] x86: Use RDTSCP for synchronous get_cycles if possible [PATCH] i386: Add X86_FEATURE_RDTSCP [PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386 [PATCH] i386: Implement alternative_io for i386 ... Fix up trivial conflict in include/linux/highmem.h manually. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-i386/page.h')
-rw-r--r--include/asm-i386/page.h81
1 files changed, 68 insertions, 13 deletions
diff --git a/include/asm-i386/page.h b/include/asm-i386/page.h
index 7b19f454761d..818ac8bf01e2 100644
--- a/include/asm-i386/page.h
+++ b/include/asm-i386/page.h
@@ -12,7 +12,6 @@
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
-
#ifdef CONFIG_X86_USE_3DNOW
#include <asm/mmx.h>
@@ -42,26 +41,81 @@
* These are used to make use of C type-checking..
*/
extern int nx_enabled;
+
#ifdef CONFIG_X86_PAE
extern unsigned long long __supported_pte_mask;
typedef struct { unsigned long pte_low, pte_high; } pte_t;
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 pmd_val(x) ((x).pmd)
-#define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32))
-#define __pmd(x) ((pmd_t) { (x) } )
+
+static inline unsigned long long native_pgd_val(pgd_t pgd)
+{
+ return pgd.pgd;
+}
+
+static inline unsigned long long native_pmd_val(pmd_t pmd)
+{
+ return pmd.pmd;
+}
+
+static inline unsigned long long native_pte_val(pte_t pte)
+{
+ return pte.pte_low | ((unsigned long long)pte.pte_high << 32);
+}
+
+static inline pgd_t native_make_pgd(unsigned long long val)
+{
+ return (pgd_t) { val };
+}
+
+static inline pmd_t native_make_pmd(unsigned long long val)
+{
+ return (pmd_t) { val };
+}
+
+static inline pte_t native_make_pte(unsigned long long val)
+{
+ return (pte_t) { .pte_low = val, .pte_high = (val >> 32) } ;
+}
+
+#ifndef CONFIG_PARAVIRT
+#define pmd_val(x) native_pmd_val(x)
+#define __pmd(x) native_make_pmd(x)
+#endif
+
#define HPAGE_SHIFT 21
#include <asm-generic/pgtable-nopud.h>
-#else
+#else /* !CONFIG_X86_PAE */
typedef struct { unsigned long pte_low; } pte_t;
typedef struct { unsigned long pgd; } pgd_t;
typedef struct { unsigned long pgprot; } pgprot_t;
#define boot_pte_t pte_t /* or would you rather have a typedef */
-#define pte_val(x) ((x).pte_low)
+
+static inline unsigned long native_pgd_val(pgd_t pgd)
+{
+ return pgd.pgd;
+}
+
+static inline unsigned long native_pte_val(pte_t pte)
+{
+ return pte.pte_low;
+}
+
+static inline pgd_t native_make_pgd(unsigned long val)
+{
+ return (pgd_t) { val };
+}
+
+static inline pte_t native_make_pte(unsigned long val)
+{
+ return (pte_t) { .pte_low = val };
+}
+
#define HPAGE_SHIFT 22
#include <asm-generic/pgtable-nopmd.h>
-#endif
+#endif /* CONFIG_X86_PAE */
+
#define PTE_MASK PAGE_MASK
#ifdef CONFIG_HUGETLB_PAGE
@@ -71,13 +125,16 @@ typedef struct { unsigned long pgprot; } pgprot_t;
#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
#endif
-#define pgd_val(x) ((x).pgd)
#define pgprot_val(x) ((x).pgprot)
-
-#define __pte(x) ((pte_t) { (x) } )
-#define __pgd(x) ((pgd_t) { (x) } )
#define __pgprot(x) ((pgprot_t) { (x) } )
+#ifndef CONFIG_PARAVIRT
+#define pgd_val(x) native_pgd_val(x)
+#define __pgd(x) native_make_pgd(x)
+#define pte_val(x) native_pte_val(x)
+#define __pte(x) native_make_pte(x)
+#endif
+
#endif /* !__ASSEMBLY__ */
/* to align the pointer to the (next) page boundary */
@@ -143,9 +200,7 @@ extern int page_is_ram(unsigned long pagenr);
#include <asm-generic/memory_model.h>
#include <asm-generic/page.h>
-#ifndef CONFIG_COMPAT_VDSO
#define __HAVE_ARCH_GATE_AREA 1
-#endif
#endif /* __KERNEL__ */
#endif /* _I386_PAGE_H */