diff options
author | Christophe Leroy <christophe.leroy@c-s.fr> | 2018-07-05 16:25:21 +0000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-07-30 22:48:21 +1000 |
commit | 405cb4024e52b137685213b377ea3f0ce3f91735 (patch) | |
tree | c493e652aa8e7107f343bbd3d91389f50985e7ec /arch/powerpc/include/asm | |
parent | 45ef5992e06dcc3a4c7d34d23052289c7676d56c (diff) |
powerpc: split asm/tlbflush.h
Split asm/tlbflush.h into:
asm/nohash/tlbflush.h
asm/book3s/32/tlbflush.h
asm/book3s/64/tlbflush.h (already existing)
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/include/asm')
-rw-r--r-- | arch/powerpc/include/asm/book3s/32/tlbflush.h | 25 | ||||
-rw-r--r-- | arch/powerpc/include/asm/book3s/tlbflush.h | 11 | ||||
-rw-r--r-- | arch/powerpc/include/asm/nohash/tlbflush.h | 53 | ||||
-rw-r--r-- | arch/powerpc/include/asm/tlbflush.h | 86 |
4 files changed, 94 insertions, 81 deletions
diff --git a/arch/powerpc/include/asm/book3s/32/tlbflush.h b/arch/powerpc/include/asm/book3s/32/tlbflush.h new file mode 100644 index 000000000000..068085b709fb --- /dev/null +++ b/arch/powerpc/include/asm/book3s/32/tlbflush.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H +#define _ASM_POWERPC_BOOK3S_32_TLBFLUSH_H + +#define MMU_NO_CONTEXT (0) +/* + * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx + */ +extern void flush_tlb_mm(struct mm_struct *mm); +extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); +extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr); +extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); +extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); +static inline void local_flush_tlb_page(struct vm_area_struct *vma, + unsigned long vmaddr) +{ + flush_tlb_page(vma, vmaddr); +} +static inline void local_flush_tlb_mm(struct mm_struct *mm) +{ + flush_tlb_mm(mm); +} + +#endif /* _ASM_POWERPC_TLBFLUSH_H */ diff --git a/arch/powerpc/include/asm/book3s/tlbflush.h b/arch/powerpc/include/asm/book3s/tlbflush.h new file mode 100644 index 000000000000..dec11de41055 --- /dev/null +++ b/arch/powerpc/include/asm/book3s/tlbflush.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_BOOK3S_TLBFLUSH_H +#define _ASM_POWERPC_BOOK3S_TLBFLUSH_H + +#ifdef CONFIG_PPC64 +#include <asm/book3s/64/tlbflush.h> +#else +#include <asm/book3s/32/tlbflush.h> +#endif + +#endif /* _ASM_POWERPC_BOOK3S_TLBFLUSH_H */ diff --git a/arch/powerpc/include/asm/nohash/tlbflush.h b/arch/powerpc/include/asm/nohash/tlbflush.h new file mode 100644 index 000000000000..b1d8fec29169 --- /dev/null +++ b/arch/powerpc/include/asm/nohash/tlbflush.h @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_NOHASH_TLBFLUSH_H +#define _ASM_POWERPC_NOHASH_TLBFLUSH_H + +/* + * TLB flushing: + * + * - flush_tlb_mm(mm) flushes the specified mm context TLB's + * - flush_tlb_page(vma, vmaddr) flushes one page + * - local_flush_tlb_mm(mm, full) flushes the specified mm context on + * the local processor + * - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor + * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB + * - flush_tlb_range(vma, start, end) flushes a range of pages + * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages + * + */ + +/* + * TLB flushing for software loaded TLB chips + * + * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range & + * flush_tlb_kernel_range are best implemented as tlbia vs + * specific tlbie's + */ + +struct vm_area_struct; +struct mm_struct; + +#define MMU_NO_CONTEXT ((unsigned int)-1) + +extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, + unsigned long end); +extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); + +extern void local_flush_tlb_mm(struct mm_struct *mm); +extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); + +extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, + int tsize, int ind); + +#ifdef CONFIG_SMP +extern void flush_tlb_mm(struct mm_struct *mm); +extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); +extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, + int tsize, int ind); +#else +#define flush_tlb_mm(mm) local_flush_tlb_mm(mm) +#define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) +#define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i) +#endif + +#endif /* _ASM_POWERPC_NOHASH_TLBFLUSH_H */ diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h index 7d5a157c7832..61fba43bf8b2 100644 --- a/arch/powerpc/include/asm/tlbflush.h +++ b/arch/powerpc/include/asm/tlbflush.h @@ -1,87 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_POWERPC_TLBFLUSH_H #define _ASM_POWERPC_TLBFLUSH_H -/* - * TLB flushing: - * - * - flush_tlb_mm(mm) flushes the specified mm context TLB's - * - flush_tlb_page(vma, vmaddr) flushes one page - * - local_flush_tlb_mm(mm, full) flushes the specified mm context on - * the local processor - * - local_flush_tlb_page(vma, vmaddr) flushes one page on the local processor - * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB - * - flush_tlb_range(vma, start, end) flushes a range of pages - * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - * 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. - */ -#ifdef __KERNEL__ - -#ifdef CONFIG_PPC_MMU_NOHASH -/* - * TLB flushing for software loaded TLB chips - * - * TODO: (CONFIG_FSL_BOOKE) determine if flush_tlb_range & - * flush_tlb_kernel_range are best implemented as tlbia vs - * specific tlbie's - */ - -struct vm_area_struct; -struct mm_struct; - -#define MMU_NO_CONTEXT ((unsigned int)-1) - -extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, - unsigned long end); -extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); - -extern void local_flush_tlb_mm(struct mm_struct *mm); -extern void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); - -extern void __local_flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, - int tsize, int ind); - -#ifdef CONFIG_SMP -extern void flush_tlb_mm(struct mm_struct *mm); -extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -extern void __flush_tlb_page(struct mm_struct *mm, unsigned long vmaddr, - int tsize, int ind); -#else -#define flush_tlb_mm(mm) local_flush_tlb_mm(mm) -#define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) -#define __flush_tlb_page(mm,addr,p,i) __local_flush_tlb_page(mm,addr,p,i) -#endif - -#elif defined(CONFIG_PPC_STD_MMU_32) - -#define MMU_NO_CONTEXT (0) -/* - * TLB flushing for "classic" hash-MMU 32-bit CPUs, 6xx, 7xx, 7xxx - */ -extern void flush_tlb_mm(struct mm_struct *mm); -extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr); -extern void flush_tlb_page_nohash(struct vm_area_struct *vma, unsigned long addr); -extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, - unsigned long end); -extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); -static inline void local_flush_tlb_page(struct vm_area_struct *vma, - unsigned long vmaddr) -{ - flush_tlb_page(vma, vmaddr); -} -static inline void local_flush_tlb_mm(struct mm_struct *mm) -{ - flush_tlb_mm(mm); -} - -#elif defined(CONFIG_PPC_BOOK3S_64) -#include <asm/book3s/64/tlbflush.h> +#ifdef CONFIG_PPC_BOOK3S +#include <asm/book3s/tlbflush.h> #else -#error Unsupported MMU type -#endif +#include <asm/nohash/tlbflush.h> +#endif /* !CONFIG_PPC_BOOK3S */ -#endif /*__KERNEL__ */ #endif /* _ASM_POWERPC_TLBFLUSH_H */ |