* [PATCH v4 26/36] um: Implement the new page table range API [not found] <20230315051444.3229621-1-willy@infradead.org> @ 2023-03-15 5:14 ` Matthew Wilcox (Oracle) 2023-03-15 10:12 ` Mike Rapoport 0 siblings, 1 reply; 2+ messages in thread From: Matthew Wilcox (Oracle) @ 2023-03-15 5:14 UTC (permalink / raw) To: linux-arch Cc: Matthew Wilcox (Oracle), linux-mm, linux-kernel, Richard Weinberger, Anton Ivanov, Johannes Berg, linux-um Add PFN_PTE_SHIFT and update_mmu_cache_range(). Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Cc: Richard Weinberger <richard@nod.at> Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: linux-um@lists.infradead.org --- arch/um/include/asm/pgtable.h | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index a70d1618eb35..ea5f8122f128 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -242,11 +242,7 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval) if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr); } -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *pteptr, pte_t pteval) -{ - set_pte(pteptr, pteval); -} +#define PFN_PTE_SHIFT PAGE_SHIFT #define __HAVE_ARCH_PTE_SAME static inline int pte_same(pte_t pte_a, pte_t pte_b) @@ -290,6 +286,7 @@ struct mm_struct; extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); #define update_mmu_cache(vma,address,ptep) do {} while (0) +#define update_mmu_cache_range(vma, address, ptep, nr) do {} while (0) /* * Encode/decode swap entries and swap PTEs. Swap PTEs are all PTEs that -- 2.39.2 _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH v4 26/36] um: Implement the new page table range API 2023-03-15 5:14 ` [PATCH v4 26/36] um: Implement the new page table range API Matthew Wilcox (Oracle) @ 2023-03-15 10:12 ` Mike Rapoport 0 siblings, 0 replies; 2+ messages in thread From: Mike Rapoport @ 2023-03-15 10:12 UTC (permalink / raw) To: Matthew Wilcox (Oracle) Cc: linux-arch, linux-mm, linux-kernel, Richard Weinberger, Anton Ivanov, Johannes Berg, linux-um On Wed, Mar 15, 2023 at 05:14:34AM +0000, Matthew Wilcox (Oracle) wrote: > Add PFN_PTE_SHIFT and update_mmu_cache_range(). > > Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> > Cc: Richard Weinberger <richard@nod.at> > Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com> > Cc: Johannes Berg <johannes@sipsolutions.net> > Cc: linux-um@lists.infradead.org Acked-by: Mike Rapoport (IBM) <rppt@kernel.org> > --- > arch/um/include/asm/pgtable.h | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h > index a70d1618eb35..ea5f8122f128 100644 > --- a/arch/um/include/asm/pgtable.h > +++ b/arch/um/include/asm/pgtable.h > @@ -242,11 +242,7 @@ static inline void set_pte(pte_t *pteptr, pte_t pteval) > if(pte_present(*pteptr)) *pteptr = pte_mknewprot(*pteptr); > } > > -static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, > - pte_t *pteptr, pte_t pteval) > -{ > - set_pte(pteptr, pteval); > -} > +#define PFN_PTE_SHIFT PAGE_SHIFT > > #define __HAVE_ARCH_PTE_SAME > static inline int pte_same(pte_t pte_a, pte_t pte_b) > @@ -290,6 +286,7 @@ struct mm_struct; > extern pte_t *virt_to_pte(struct mm_struct *mm, unsigned long addr); > > #define update_mmu_cache(vma,address,ptep) do {} while (0) > +#define update_mmu_cache_range(vma, address, ptep, nr) do {} while (0) > > /* > * Encode/decode swap entries and swap PTEs. Swap PTEs are all PTEs that > -- > 2.39.2 > > -- Sincerely yours, Mike. _______________________________________________ linux-um mailing list linux-um@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-um ^ permalink raw reply [flat|nested] 2+ messages in thread
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