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authorAlexander Graf <agraf@suse.de>2009-11-02 12:02:30 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-11-05 16:50:25 +1100
commite85a47106abb928e048d89d7fa48f982fcb018aa (patch)
tree22b19d0e8f06dfdb9186d8395ff75aa3bd430090 /arch/powerpc/include
parent4ab79aa801b6b4f2e2fb508d6107cdd9320d682d (diff)
Split init_new_context and destroy_context
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>
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/mmu_context.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mmu_context.h b/arch/powerpc/include/asm/mmu_context.h
index b34e94d9443..26383e0778a 100644
--- a/arch/powerpc/include/asm/mmu_context.h
+++ b/arch/powerpc/include/asm/mmu_context.h
@@ -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);