From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [125.16.236.5]) (using TLSv1 with cipher CAMELLIA256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 665A71A1071 for ; Tue, 12 Jan 2016 18:17:08 +1100 (AEDT) Received: from localhost by e28smtp05.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 12 Jan 2016 12:47:05 +0530 Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 1A051E005F for ; Tue, 12 Jan 2016 12:48:20 +0530 (IST) Received: from d28av02.in.ibm.com (d28av02.in.ibm.com [9.184.220.64]) by d28relay03.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u0C7H1iP786764 for ; Tue, 12 Jan 2016 12:47:01 +0530 Received: from d28av02.in.ibm.com (localhost [127.0.0.1]) by d28av02.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u0C7GTsW013971 for ; Tue, 12 Jan 2016 12:46:29 +0530 From: "Aneesh Kumar K.V" To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au, Michael Neuling Cc: linuxppc-dev@lists.ozlabs.org, "Aneesh Kumar K.V" Subject: [RFC PATCH V1 32/33] powerpc/mm: Hash linux abstraction for tlbflush routines Date: Tue, 12 Jan 2016 12:46:07 +0530 Message-Id: <1452582968-22669-33-git-send-email-aneesh.kumar@linux.vnet.ibm.com> In-Reply-To: <1452582968-22669-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> References: <1452582968-22669-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/include/asm/book3s/64/tlbflush-hash.h | 28 ++++++----- arch/powerpc/include/asm/book3s/64/tlbflush.h | 56 ++++++++++++++++++++++ arch/powerpc/include/asm/tlbflush.h | 2 +- arch/powerpc/mm/tlb_hash64.c | 2 +- 4 files changed, 73 insertions(+), 15 deletions(-) create mode 100644 arch/powerpc/include/asm/book3s/64/tlbflush.h diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h index 1b753f96b374..ddce8477fe0c 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-hash.h @@ -52,40 +52,42 @@ extern void flush_hash_range(unsigned long number, int local); extern void flush_hash_hugepage(unsigned long vsid, unsigned long addr, pmd_t *pmdp, unsigned int psize, int ssize, unsigned long flags); - -static inline void local_flush_tlb_mm(struct mm_struct *mm) +static inline void local_flush_hltlb_mm(struct mm_struct *mm) { } -static inline void flush_tlb_mm(struct mm_struct *mm) +static inline void flush_hltlb_mm(struct mm_struct *mm) { } -static inline void local_flush_tlb_page(struct vm_area_struct *vma, - unsigned long vmaddr) +static inline void local_flush_hltlb_page(struct vm_area_struct *vma, + unsigned long vmaddr) { } -static inline void flush_tlb_page(struct vm_area_struct *vma, - unsigned long vmaddr) +static inline void flush_hltlb_page(struct vm_area_struct *vma, + unsigned long vmaddr) { } -static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, - unsigned long vmaddr) +static inline void flush_hltlb_page_nohash(struct vm_area_struct *vma, + unsigned long vmaddr) { } -static inline void flush_tlb_range(struct vm_area_struct *vma, - unsigned long start, unsigned long end) +static inline void flush_hltlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) { } -static inline void flush_tlb_kernel_range(unsigned long start, - unsigned long end) +static inline void flush_hltlb_kernel_range(unsigned long start, + unsigned long end) { } + +struct mmu_gather; +extern void hltlb_flush(struct mmu_gather *tlb); /* Private function for use by PCI IO mapping code */ extern void __flush_hash_table_range(struct mm_struct *mm, unsigned long start, unsigned long end); diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush.h b/arch/powerpc/include/asm/book3s/64/tlbflush.h new file mode 100644 index 000000000000..dd8830ea7143 --- /dev/null +++ b/arch/powerpc/include/asm/book3s/64/tlbflush.h @@ -0,0 +1,56 @@ +#ifndef _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H +#define _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H + +#include + +static inline void flush_tlb_range(struct vm_area_struct *vma, + unsigned long start, unsigned long end) +{ + return flush_hltlb_range(vma, start, end); +} + +static inline void flush_tlb_kernel_range(unsigned long start, + unsigned long end) +{ + return flush_hltlb_kernel_range(start, end); +} + +static inline void local_flush_tlb_mm(struct mm_struct *mm) +{ + return local_flush_hltlb_mm(mm); +} + +static inline void local_flush_tlb_page(struct vm_area_struct *vma, + unsigned long vmaddr) +{ + return local_flush_hltlb_page(vma, vmaddr); +} + +static inline void flush_tlb_page_nohash(struct vm_area_struct *vma, + unsigned long vmaddr) +{ + return flush_hltlb_page_nohash(vma, vmaddr); +} + +static inline void tlb_flush(struct mmu_gather *tlb) +{ + return hltlb_flush(tlb); +} + +#ifdef CONFIG_SMP +static inline void flush_tlb_mm(struct mm_struct *mm) +{ + return flush_hltlb_mm(mm); +} + +static inline void flush_tlb_page(struct vm_area_struct *vma, + unsigned long vmaddr) +{ + return flush_hltlb_page(vma, vmaddr); +} +#else +#define flush_tlb_mm(mm) local_flush_tlb_mm(mm) +#define flush_tlb_page(vma,addr) local_flush_tlb_page(vma,addr) +#endif /* CONFIG_SMP */ + +#endif /* _ASM_POWERPC_BOOK3S_64_TLBFLUSH_H */ diff --git a/arch/powerpc/include/asm/tlbflush.h b/arch/powerpc/include/asm/tlbflush.h index 9f77f85e3e99..2fc4331c5bc5 100644 --- a/arch/powerpc/include/asm/tlbflush.h +++ b/arch/powerpc/include/asm/tlbflush.h @@ -78,7 +78,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm) } #elif defined(CONFIG_PPC_STD_MMU_64) -#include +#include #else #error Unsupported MMU type #endif diff --git a/arch/powerpc/mm/tlb_hash64.c b/arch/powerpc/mm/tlb_hash64.c index 98a85e426255..ebf386becf9e 100644 --- a/arch/powerpc/mm/tlb_hash64.c +++ b/arch/powerpc/mm/tlb_hash64.c @@ -155,7 +155,7 @@ void __flush_tlb_pending(struct ppc64_tlb_batch *batch) batch->index = 0; } -void tlb_flush(struct mmu_gather *tlb) +void hltlb_flush(struct mmu_gather *tlb) { struct ppc64_tlb_batch *tlbbatch = &get_cpu_var(ppc64_tlb_batch); -- 2.5.0