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Split init_new_context and destroy_context

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For KVM we need to allocate a new context id, but don't really care about
all the mm context around it.

So let's split the alloc and destroy functions for the context id, so we can
grab one without allocating an mm context.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Alexander Graf
2009-11-02 12:02:30 +00:00
committed by Benjamin Herrenschmidt
parent 4ab79aa801
commit e85a47106a
2 changed files with 23 additions and 3 deletions
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2
arch/powerpc/include/asm/mmu_context.h
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@ -23,6 +23,8 @@ extern void switch_slb(struct task_struct *tsk, struct mm_struct *mm);
extern void set_context(unsigned long id, pgd_t *pgd);
#ifdef CONFIG_PPC_BOOK3S_64
extern int __init_new_context(void);
extern void __destroy_context(int context_id);
static inline void mmu_context_init(void) { }
#else
extern void mmu_context_init(void);