From 04a8645304500be88b3345b65fef7efe58016166 Mon Sep 17 00:00:00 2001 From: "Aneesh Kumar K.V" Date: Tue, 5 Mar 2019 15:46:29 -0800 Subject: mm: update ptep_modify_prot_commit to take old pte value as arg Architectures like ppc64 require to do a conditional tlb flush based on the old and new value of pte. Enable that by passing old pte value as the arg. Link: http://lkml.kernel.org/r/20190116085035.29729-3-aneesh.kumar@linux.ibm.com Signed-off-by: Aneesh Kumar K.V Cc: Benjamin Herrenschmidt Cc: Heiko Carstens Cc: "H. Peter Anvin" Cc: Ingo Molnar Cc: Martin Schwidefsky Cc: Michael Ellerman Cc: Nicholas Piggin Cc: Paul Mackerras Cc: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/s390/include/asm/pgtable.h | 3 ++- arch/s390/mm/pgtable.c | 2 +- arch/x86/include/asm/paravirt.h | 2 +- 3 files changed, 4 insertions(+), 3 deletions(-) (limited to 'arch') diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 5d730199e37b..76dc344edb8c 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1070,7 +1070,8 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm, #define __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION pte_t ptep_modify_prot_start(struct vm_area_struct *, unsigned long, pte_t *); -void ptep_modify_prot_commit(struct vm_area_struct *, unsigned long, pte_t *, pte_t); +void ptep_modify_prot_commit(struct vm_area_struct *, unsigned long, + pte_t *, pte_t, pte_t); #define __HAVE_ARCH_PTEP_CLEAR_FLUSH static inline pte_t ptep_clear_flush(struct vm_area_struct *vma, diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 71aa01170768..8485d6dc2754 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -321,7 +321,7 @@ pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, } void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, - pte_t *ptep, pte_t pte) + pte_t *ptep, pte_t old_pte, pte_t pte) { pgste_t pgste; struct mm_struct *mm = vma->vm_mm; diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h index c5a7f18cce7e..c25c38a05c1c 100644 --- a/arch/x86/include/asm/paravirt.h +++ b/arch/x86/include/asm/paravirt.h @@ -433,7 +433,7 @@ static inline pte_t ptep_modify_prot_start(struct vm_area_struct *vma, unsigned } static inline void ptep_modify_prot_commit(struct vm_area_struct *vma, unsigned long addr, - pte_t *ptep, pte_t pte) + pte_t *ptep, pte_t old_pte, pte_t pte) { if (sizeof(pteval_t) > sizeof(long)) -- cgit v1.2.3