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>
diff --git a/include/asm-x86/mmu_context.h b/include/asm-x86/mmu_context.h
index 6598450..fac5701 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 */
diff --git a/include/asm-x86/mmu_context_32.h b/include/asm-x86/mmu_context_32.h
index 9756ae0..824fc57 100644
--- a/include/asm-x86/mmu_context_32.h
+++ b/include/asm-x86/mmu_context_32.h
@@ -1,28 +1,6 @@
#ifndef __I386_SCHED_H
#define __I386_SCHED_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);
-
-
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
#ifdef CONFIG_SMP
@@ -75,10 +53,4 @@
#define deactivate_mm(tsk, mm) \
asm("movl %0,%%gs": :"r" (0));
-#define activate_mm(prev, next) \
-do { \
- paravirt_activate_mm((prev), (next)); \
- switch_mm((prev), (next), NULL); \
-} while (0);
-
#endif
diff --git a/include/asm-x86/mmu_context_64.h b/include/asm-x86/mmu_context_64.h
index ca44c71..c700063 100644
--- a/include/asm-x86/mmu_context_64.h
+++ b/include/asm-x86/mmu_context_64.h
@@ -1,21 +1,7 @@
#ifndef __X86_64_MMU_CONTEXT_H
#define __X86_64_MMU_CONTEXT_H
-#include <asm/desc.h>
-#include <asm/atomic.h>
-#include <asm/pgalloc.h>
#include <asm/pda.h>
-#include <asm/pgtable.h>
-#include <asm/tlbflush.h>
-#ifndef CONFIG_PARAVIRT
-#include <asm-generic/mm_hooks.h>
-#endif
-
-/*
- * possibly do the LDT unload here?
- */
-int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
-void destroy_context(struct mm_struct *mm);
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
{
@@ -65,8 +51,4 @@
asm volatile("movl %0,%%fs"::"r"(0)); \
} while (0)
-#define activate_mm(prev, next) \
- switch_mm((prev), (next), NULL)
-
-
#endif