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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2008-08-17 21:05:42 -0400 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@zytor.com> | 2008-10-22 22:55:20 -0700 |
| commit | bb8985586b7a906e116db835c64773b7a7d51663 (patch) | |
| tree | de93ae58e88cc563d95cc124a73f3930594c6100 /arch/x86/include/asm/mmu_context.h | |
| parent | x86, um: initial part of asm-um move (diff) | |
| download | linux-dev-bb8985586b7a906e116db835c64773b7a7d51663.tar.xz linux-dev-bb8985586b7a906e116db835c64773b7a7d51663.zip | |
x86, um: ... and asm-x86 move
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/mmu_context.h')
| -rw-r--r-- | arch/x86/include/asm/mmu_context.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h new file mode 100644 index 000000000000..8ec940bfd079 --- /dev/null +++ b/arch/x86/include/asm/mmu_context.h @@ -0,0 +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 */ |