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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-06-25 00:19:07 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 13:10:31 +0200 |
| commit | c3c2fee38462fa34b90e0a5427c7fc564bb5c96c (patch) | |
| tree | a09e6e2081069f694e70e59915e2cf7c26ba0169 /include/asm-x86/mmu_context.h | |
| parent | fb15a9b3047a245a30a51696e4d8e29b1175a598 (diff) | |
| download | blackbird-op-linux-c3c2fee38462fa34b90e0a5427c7fc564bb5c96c.tar.gz blackbird-op-linux-c3c2fee38462fa34b90e0a5427c7fc564bb5c96c.zip | |
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.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/include/asm-x86/mmu_context.h b/include/asm-x86/mmu_context.h index 6598450da6c6..fac57014e7c6 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 */ |
