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powerpc/mm: Call mmu_context_init() from ppc64

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Our 64-bit hash context handling has no init function, but 64-bit Book3E
will use the common mmu_context_nohash.c code which does, so define an
empty inline mmu_context_init() for 64-bit server and call it from
our 64-bit setup_arch()

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
This commit is contained in:
Benjamin Herrenschmidt 2009-07-23 23:15:26 +00:00
parent d4e167da4c
commit 6f0ef0f505
2 changed files with 10 additions and 1 deletions
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7
arch/powerpc/include/asm/mmu_context.h
View File

@ -14,7 +14,6 @@
/*
* Most if the context management is out of line
*/
extern void mmu_context_init(void);
extern int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
extern void destroy_context(struct mm_struct *mm);
@ -23,6 +22,12 @@ extern void switch_stab(struct task_struct *tsk, struct mm_struct *mm);
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
static inline void mmu_context_init(void) { }
#else
extern void mmu_context_init(void);
#endif
/*
* switch_mm is the entry point called from the architecture independent
* code in kernel/sched.c

4
arch/powerpc/kernel/setup_64.c
View File

@ -534,6 +534,10 @@ void __init setup_arch(char **cmdline_p)
#endif
paging_init();
/* Initialize the MMU context management stuff */
mmu_context_init();
ppc64_boot_msg(0x15, "Setup Done");
}