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authorJeremy Fitzhardinge <jeremy@goop.org>2008-06-25 00:19:07 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-08 13:10:31 +0200
commitc3c2fee38462fa34b90e0a5427c7fc564bb5c96c (patch)
treea09e6e2081069f694e70e59915e2cf7c26ba0169 /include/asm-x86/mmu_context.h
parentfb15a9b3047a245a30a51696e4d8e29b1175a598 (diff)
x86: unify mmu_context.h
Some amount of asm-x86/mmu_context.h can be unified, including activate_mm paravirt hook. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: xen-devel <xen-devel@lists.xensource.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/mmu_context.h')
-rw-r--r--include/asm-x86/mmu_context.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-x86/mmu_context.h b/include/asm-x86/mmu_context.h
index 6598450da6c..fac57014e7c 100644
--- a/include/asm-x86/mmu_context.h
+++ b/include/asm-x86/mmu_context.h
@@ -1,5 +1,37 @@
+#ifndef __ASM_X86_MMU_CONTEXT_H
+#define __ASM_X86_MMU_CONTEXT_H
+
+#include <asm/desc.h>
+#include <asm/atomic.h>
+#include <asm/pgalloc.h>
+#include <asm/tlbflush.h>
+#include <asm/paravirt.h>
+#ifndef CONFIG_PARAVIRT
+#include <asm-generic/mm_hooks.h>
+
+static inline void paravirt_activate_mm(struct mm_struct *prev,
+ struct mm_struct *next)
+{
+}
+#endif /* !CONFIG_PARAVIRT */
+
+/*
+ * Used for LDT copy/destruction.
+ */
+int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
+void destroy_context(struct mm_struct *mm);
+
#ifdef CONFIG_X86_32
# include "mmu_context_32.h"
#else
# include "mmu_context_64.h"
#endif
+
+#define activate_mm(prev, next) \
+do { \
+ paravirt_activate_mm((prev), (next)); \
+ switch_mm((prev), (next), NULL); \
+} while (0);
+
+
+#endif /* __ASM_X86_MMU_CONTEXT_H */