[Lguest] [PATCH 16/25 -v2] turn page operations into native versions

Glauber de Oliveira Costa gcosta at redhat.com
Sat Aug 11 05:12:28 EST 2007


This patch turns the page operations (set and make a page table)
into native_ versions. The operations itself will be later
overriden by paravirt.

Signed-off-by: Glauber de Oliveira Costa <gcosta at redhat.com>
Signed-off-by: Steven Rostedt <rostedt at goodmis.org>
---
 include/asm-x86_64/page.h |   36 +++++++++++++++++++++++++++++++-----
 1 files changed, 31 insertions(+), 5 deletions(-)

diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h
index 88adf1a..ec8b245 100644
--- a/include/asm-x86_64/page.h
+++ b/include/asm-x86_64/page.h
@@ -64,16 +64,42 @@ typedef struct { unsigned long pgprot; } pgprot_t;
 
 extern unsigned long phys_base;
 
-#define pte_val(x)	((x).pte)
-#define pmd_val(x)	((x).pmd)
-#define pud_val(x)	((x).pud)
-#define pgd_val(x)	((x).pgd)
-#define pgprot_val(x)	((x).pgprot)
+static inline unsigned long native_pte_val(pte_t pte)
+{
+	return pte.pte;
+}
+
+static inline unsigned long native_pud_val(pud_t pud)
+{
+	return pud.pud;
+}
+
+
+static inline unsigned long native_pmd_val(pmd_t pmd)
+{
+	return pmd.pmd;
+}
+
+static inline unsigned long native_pgd_val(pgd_t pgd)
+{
+	return pgd.pgd;
+}
+
+#ifdef CONFIG_PARAVIRT
+#include <asm/paravirt.h>
+#else
+#define pte_val(x)	native_pte_val(x)
+#define pmd_val(x)	native_pmd_val(x)
+#define pud_val(x)	native_pud_val(x)
+#define pgd_val(x)	native_pgd_val(x)
 
 #define __pte(x) ((pte_t) { (x) } )
 #define __pmd(x) ((pmd_t) { (x) } )
 #define __pud(x) ((pud_t) { (x) } )
 #define __pgd(x) ((pgd_t) { (x) } )
+#endif /* CONFIG_PARAVIRT */
+
+#define pgprot_val(x)	((x).pgprot)
 #define __pgprot(x)	((pgprot_t) { (x) } )
 
 #endif /* !__ASSEMBLY__ */
-- 
1.4.4.2




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