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Violators will be prosecuted for from ; Tue, 22 Nov 2016 01:02:06 -0700 From: "Aneesh Kumar K.V" To: benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au Cc: linuxppc-dev@lists.ozlabs.org, "Aneesh Kumar K.V" Subject: [PATCH v4 4/7] powerpc/mm/hugetlb: Make copy of huge_ptep_get_and_clear to different platform headers Date: Tue, 22 Nov 2016 13:31:46 +0530 In-Reply-To: <20161122080149.31306-1-aneesh.kumar@linux.vnet.ibm.com> References: <20161122080149.31306-1-aneesh.kumar@linux.vnet.ibm.com> Message-Id: <20161122080149.31306-4-aneesh.kumar@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , In the subsequent patch we will change the implementation of book3s 64. This also avoid #ifdef in the code. Signed-off-by: Aneesh Kumar K.V --- arch/powerpc/include/asm/book3s/32/pgtable.h | 5 +++++ arch/powerpc/include/asm/book3s/64/hugetlb.h | 6 ++++++ arch/powerpc/include/asm/hugetlb.h | 10 ---------- arch/powerpc/include/asm/nohash/32/pgtable.h | 6 ++++++ arch/powerpc/include/asm/nohash/64/pgtable.h | 7 +++++++ 5 files changed, 24 insertions(+), 10 deletions(-) diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h index 0713626e9189..959ef2fb812a 100644 --- a/arch/powerpc/include/asm/book3s/32/pgtable.h +++ b/arch/powerpc/include/asm/book3s/32/pgtable.h @@ -222,6 +222,11 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, ptep_set_wrprotect(mm, addr, ptep); } +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return __pte(pte_update(ptep, ~0UL, 0)); +} static inline void __ptep_set_access_flags(struct mm_struct *mm, pte_t *ptep, pte_t entry, diff --git a/arch/powerpc/include/asm/book3s/64/hugetlb.h b/arch/powerpc/include/asm/book3s/64/hugetlb.h index d9c283f95e05..8fc04d2ac86f 100644 --- a/arch/powerpc/include/asm/book3s/64/hugetlb.h +++ b/arch/powerpc/include/asm/book3s/64/hugetlb.h @@ -30,4 +30,10 @@ static inline int hstate_get_psize(struct hstate *hstate) return mmu_virtual_psize; } } + +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1)); +} #endif diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index c03e0a3dd4d8..8b39806851c0 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -132,16 +132,6 @@ static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr, set_pte_at(mm, addr, ptep, pte); } -static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) -{ -#ifdef CONFIG_PPC64 - return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1)); -#else - return __pte(pte_update(ptep, ~0UL, 0)); -#endif -} - static inline void huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index 24ee66bf7223..b83b851827ec 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -266,6 +266,12 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, ptep_set_wrprotect(mm, addr, ptep); } +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return __pte(pte_update(ptep, ~0UL, 0)); +} + static inline void __ptep_set_access_flags(struct mm_struct *mm, pte_t *ptep, pte_t entry, diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index 86d49dc60ec6..f53f8307a778 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -266,6 +266,13 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm, pte_update(mm, addr, ptep, _PAGE_RW, 0, 1); } +static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, + unsigned long addr, pte_t *ptep) +{ + return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1)); +} + + /* * We currently remove entries from the hashtable regardless of whether * the entry was young or dirty. The generic routines only flush if the -- 2.10.2