linux-stable/include/asm-powerpc/tlb.h
Arnd Bergmann 88ced03149 [PATCH] powerpc: sanitize header files for user space includes
include/asm-ppc/ had #ifdef __KERNEL__ in all header files that
are not meant for use by user space, include/asm-powerpc does
not have this yet.

This patch gets us a lot closer there. There are a few cases
where I was not sure, so I left them out. I have verified
that no CONFIG_* symbols are used outside of __KERNEL__
any more and that there are no obvious compile errors when
including any of the headers in user space libraries.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
2006-01-09 15:13:08 +11:00

72 lines
1.6 KiB
C

/*
* TLB shootdown specifics for powerpc
*
* Copyright (C) 2002 Anton Blanchard, IBM Corp.
* Copyright (C) 2002 Paul Mackerras, IBM Corp.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _ASM_POWERPC_TLB_H
#define _ASM_POWERPC_TLB_H
#ifdef __KERNEL__
#include <linux/config.h>
#ifndef __powerpc64__
#include <asm/pgtable.h>
#endif
#include <asm/pgalloc.h>
#include <asm/tlbflush.h>
#ifndef __powerpc64__
#include <asm/page.h>
#include <asm/mmu.h>
#endif
struct mmu_gather;
#define tlb_start_vma(tlb, vma) do { } while (0)
#define tlb_end_vma(tlb, vma) do { } while (0)
#if !defined(CONFIG_PPC_STD_MMU)
#define tlb_flush(tlb) flush_tlb_mm((tlb)->mm)
#elif defined(__powerpc64__)
extern void pte_free_finish(void);
static inline void tlb_flush(struct mmu_gather *tlb)
{
flush_tlb_pending();
pte_free_finish();
}
#else
extern void tlb_flush(struct mmu_gather *tlb);
#endif
/* Get the generic bits... */
#include <asm-generic/tlb.h>
#if !defined(CONFIG_PPC_STD_MMU) || defined(__powerpc64__)
#define __tlb_remove_tlb_entry(tlb, pte, address) do { } while (0)
#else
extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
unsigned long address);
static inline void __tlb_remove_tlb_entry(struct mmu_gather *tlb, pte_t *ptep,
unsigned long address)
{
if (pte_val(*ptep) & _PAGE_HASHPTE)
flush_hash_entry(tlb->mm, ptep, address);
}
#endif
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_TLB_H */