From: Mike Rapoport <rppt@kernel.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: linux-arch@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
Richard Henderson <richard.henderson@linaro.org>,
Ivan Kokshaysky <ink@jurassic.park.msu.ru>,
Matt Turner <mattst88@gmail.com>,
linux-alpha@vger.kernel.org
Subject: Re: [PATCH v4 06/36] alpha: Implement the new page table range API
Date: Wed, 15 Mar 2023 11:41:10 +0200 [thread overview]
Message-ID: <ZBGStjiZsZ3vqx9e@kernel.org> (raw)
In-Reply-To: <20230315051444.3229621-7-willy@infradead.org>
On Wed, Mar 15, 2023 at 05:14:14AM +0000, Matthew Wilcox (Oracle) wrote:
> Add PFN_PTE_SHIFT, update_mmu_cache_range() and flush_icache_pages().
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
> Cc: Richard Henderson <richard.henderson@linaro.org>
> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
> Cc: Matt Turner <mattst88@gmail.com>
> Cc: linux-alpha@vger.kernel.org
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
> ---
> arch/alpha/include/asm/cacheflush.h | 10 ++++++++++
> arch/alpha/include/asm/pgtable.h | 9 +++++++--
> 2 files changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/arch/alpha/include/asm/cacheflush.h b/arch/alpha/include/asm/cacheflush.h
> index 9945ff483eaf..3956460e69e2 100644
> --- a/arch/alpha/include/asm/cacheflush.h
> +++ b/arch/alpha/include/asm/cacheflush.h
> @@ -57,6 +57,16 @@ extern void flush_icache_user_page(struct vm_area_struct *vma,
> #define flush_icache_page(vma, page) \
> flush_icache_user_page((vma), (page), 0, 0)
>
> +/*
> + * Both implementations of flush_icache_user_page flush the entire
> + * address space, so one call, no matter how many pages.
> + */
> +static inline void flush_icache_pages(struct vm_area_struct *vma,
> + struct page *page, unsigned int nr)
> +{
> + flush_icache_user_page(vma, page, 0, 0);
> +}
> +
> #include <asm-generic/cacheflush.h>
>
> #endif /* _ALPHA_CACHEFLUSH_H */
> diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
> index ba43cb841d19..6c24c408b8e9 100644
> --- a/arch/alpha/include/asm/pgtable.h
> +++ b/arch/alpha/include/asm/pgtable.h
> @@ -26,7 +26,6 @@ struct vm_area_struct;
> * hook is made available.
> */
> #define set_pte(pteptr, pteval) ((*(pteptr)) = (pteval))
> -#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
>
> /* PMD_SHIFT determines the size of the area a second-level page table can map */
> #define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT-3))
> @@ -189,7 +188,8 @@ extern unsigned long __zero_page(void);
> * and a page entry and page directory to the page they refer to.
> */
> #define page_to_pa(page) (page_to_pfn(page) << PAGE_SHIFT)
> -#define pte_pfn(pte) (pte_val(pte) >> 32)
> +#define PFN_PTE_SHIFT 32
> +#define pte_pfn(pte) (pte_val(pte) >> PFN_PTE_SHIFT)
>
> #define pte_page(pte) pfn_to_page(pte_pfn(pte))
> #define mk_pte(page, pgprot) \
> @@ -303,6 +303,11 @@ extern inline void update_mmu_cache(struct vm_area_struct * vma,
> {
> }
>
> +static inline void update_mmu_cache_range(struct vm_area_struct *vma,
> + unsigned long address, pte_t *ptep, unsigned int nr)
> +{
> +}
> +
> /*
> * Encode/decode swap entries and swap PTEs. Swap PTEs are all PTEs that
> * are !pte_none() && !pte_present().
> --
> 2.39.2
>
>
--
Sincerely yours,
Mike.
next prev parent reply other threads:[~2023-03-15 9:41 UTC|newest]
Thread overview: 139+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-15 5:14 [PATCH v4 00/36] New page table range API Matthew Wilcox (Oracle)
2023-03-15 5:14 ` [PATCH v4 01/36] mm: Convert page_table_check_pte_set() to page_table_check_ptes_set() Matthew Wilcox (Oracle)
2023-03-15 9:21 ` Mike Rapoport
2023-03-23 18:36 ` Pasha Tatashin
2023-05-25 2:16 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH v4 02/36] mm: Add generic flush_icache_pages() and documentation Matthew Wilcox (Oracle)
2023-03-15 9:27 ` Mike Rapoport
2023-05-25 2:23 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH v4 03/36] mm: Add folio_flush_mapping() Matthew Wilcox (Oracle)
2023-03-15 9:28 ` Mike Rapoport
2023-05-25 2:35 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH v4 04/36] mm: Remove ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO Matthew Wilcox (Oracle)
2023-03-15 9:28 ` Mike Rapoport
2023-05-25 2:43 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH v4 05/36] mm: Add default definition of set_ptes() Matthew Wilcox (Oracle)
2023-03-15 9:34 ` Mike Rapoport
2023-05-25 3:01 ` Anshuman Khandual
2023-05-25 4:06 ` Matthew Wilcox
2023-03-15 5:14 ` [PATCH v4 06/36] alpha: Implement the new page table range API Matthew Wilcox (Oracle)
2023-03-15 9:41 ` Mike Rapoport [this message]
2023-03-15 5:14 ` [PATCH v4 07/36] arc: " Matthew Wilcox (Oracle)
2023-03-15 9:44 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 08/36] arm: " Matthew Wilcox (Oracle)
2023-03-15 9:48 ` Mike Rapoport
2023-03-15 10:56 ` Russell King (Oracle)
2023-03-15 5:14 ` [PATCH v4 09/36] arm64: " Matthew Wilcox (Oracle)
2023-03-15 9:49 ` Mike Rapoport
2023-05-25 3:35 ` Anshuman Khandual
2023-05-25 4:05 ` Matthew Wilcox
2023-05-25 4:43 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH v4 10/36] csky: " Matthew Wilcox (Oracle)
2023-03-15 9:50 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 11/36] hexagon: " Matthew Wilcox (Oracle)
2023-03-15 9:54 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 12/36] ia64: " Matthew Wilcox (Oracle)
2023-03-15 9:55 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 13/36] loongarch: " Matthew Wilcox (Oracle)
2023-03-15 10:07 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 14/36] m68k: " Matthew Wilcox (Oracle)
2023-03-15 7:43 ` Geert Uytterhoeven
2023-03-16 16:32 ` Geert Uytterhoeven
2023-03-15 10:07 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 15/36] microblaze: " Matthew Wilcox (Oracle)
2023-03-15 10:07 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 16/36] mips: " Matthew Wilcox (Oracle)
2023-03-15 10:08 ` Mike Rapoport
2023-03-15 10:50 ` Thomas Bogendoerfer
2023-03-15 20:33 ` Matthew Wilcox
2023-03-17 15:29 ` Thomas Bogendoerfer
2023-03-19 18:45 ` Thomas Bogendoerfer
2023-03-19 20:16 ` Matthew Wilcox
2023-03-21 11:30 ` Thomas Bogendoerfer
2023-03-15 5:14 ` [PATCH v4 17/36] nios2: " Matthew Wilcox (Oracle)
2023-03-15 10:08 ` Mike Rapoport
2023-06-13 22:45 ` Dinh Nguyen
2023-07-10 20:18 ` Matthew Wilcox
2023-07-10 23:10 ` Dinh Nguyen
2023-03-15 5:14 ` [PATCH v4 18/36] openrisc: " Matthew Wilcox (Oracle)
2023-03-15 10:09 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 19/36] parisc: " Matthew Wilcox (Oracle)
2023-03-15 10:09 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 20/36] powerpc: " Matthew Wilcox (Oracle)
2023-03-15 9:43 ` Christophe Leroy
2023-03-15 10:18 ` Christophe Leroy
2023-03-17 3:47 ` Matthew Wilcox
2023-03-18 9:19 ` Christophe Leroy
2023-07-10 20:24 ` Matthew Wilcox
2023-07-11 4:40 ` Christophe Leroy
2023-03-15 10:09 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 21/36] riscv: " Matthew Wilcox (Oracle)
2023-03-15 10:10 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 22/36] s390: " Matthew Wilcox (Oracle)
2023-03-15 10:10 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 23/36] superh: " Matthew Wilcox (Oracle)
2023-03-15 7:22 ` John Paul Adrian Glaubitz
2023-03-15 7:36 ` John Paul Adrian Glaubitz
2023-03-15 10:10 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 24/36] sparc32: " Matthew Wilcox (Oracle)
2023-03-15 10:11 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 25/36] sparc64: " Matthew Wilcox (Oracle)
2023-03-15 10:11 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 26/36] um: " Matthew Wilcox (Oracle)
2023-03-15 10:12 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 27/36] x86: " Matthew Wilcox (Oracle)
2023-03-15 10:12 ` Mike Rapoport
2023-03-15 10:34 ` Peter Zijlstra
2023-03-15 11:16 ` Mike Rapoport
2023-03-15 11:19 ` Peter Zijlstra
2023-03-15 16:12 ` Matthew Wilcox
2023-03-15 5:14 ` [PATCH v4 28/36] xtensa: " Matthew Wilcox (Oracle)
2023-03-15 10:12 ` Mike Rapoport
2023-03-15 5:14 ` [PATCH v4 29/36] mm: Remove page_mapping_file() Matthew Wilcox (Oracle)
2023-05-25 3:50 ` Anshuman Khandual
2023-05-25 4:03 ` Matthew Wilcox
2023-05-25 4:46 ` Anshuman Khandual
2023-05-25 5:37 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH v4 30/36] mm: Rationalise flush_icache_pages() and flush_icache_page() Matthew Wilcox (Oracle)
2023-03-15 5:14 ` [PATCH v4 31/36] mm: Tidy up set_ptes definition Matthew Wilcox (Oracle)
2023-05-25 6:20 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH v4 32/36] mm: Use flush_icache_pages() in do_set_pmd() Matthew Wilcox (Oracle)
2023-05-25 6:31 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH v4 33/36] filemap: Add filemap_map_folio_range() Matthew Wilcox (Oracle)
2023-03-15 5:14 ` [PATCH v4 34/36] rmap: add folio_add_file_rmap_range() Matthew Wilcox (Oracle)
2023-03-15 13:34 ` Ryan Roberts
2023-03-15 16:08 ` Ryan Roberts
2023-03-15 22:58 ` Yin Fengwei
2023-03-16 16:27 ` Yin, Fengwei
2023-03-16 16:34 ` Ryan Roberts
2023-03-17 8:23 ` Yin, Fengwei
2023-03-17 12:46 ` Ryan Roberts
2023-03-17 13:28 ` Yin, Fengwei
2023-03-15 5:14 ` [PATCH v4 35/36] mm: Convert do_set_pte() to set_pte_range() Matthew Wilcox (Oracle)
2023-03-15 15:26 ` Ryan Roberts
2023-03-16 16:23 ` Yin, Fengwei
2023-03-16 16:38 ` Ryan Roberts
2023-03-16 16:41 ` Yin, Fengwei
2023-03-16 16:50 ` Ryan Roberts
2023-03-16 17:52 ` Matthew Wilcox
2023-03-17 1:58 ` Yin, Fengwei
2023-03-17 3:44 ` Matthew Wilcox
2023-03-17 6:33 ` Yin, Fengwei
2023-03-17 8:00 ` Ryan Roberts
2023-03-17 8:19 ` Yin, Fengwei
2023-03-17 13:00 ` Ryan Roberts
2023-03-17 13:44 ` Yin, Fengwei
2023-03-24 14:58 ` Will Deacon
2023-03-24 15:11 ` Matthew Wilcox
2023-03-24 17:23 ` Will Deacon
2023-03-27 1:23 ` Yin Fengwei
2023-03-20 13:38 ` Yin, Fengwei
2023-03-20 14:08 ` Matthew Wilcox
2023-03-21 1:58 ` Yin, Fengwei
2023-03-21 5:13 ` Yin Fengwei
2023-05-30 8:07 ` [PATCH 0/4] New page table range API fixup patches Yin Fengwei
2023-05-30 8:07 ` [PATCH 1/4] filemap: avoid interfere with xas.xa_index Yin Fengwei
2023-05-30 8:07 ` [PATCH 2/4] rmap: fix typo in folio_add_file_rmap_range() Yin Fengwei
2023-05-30 8:07 ` [PATCH 3/4] mm: mark PTEs referencing the accessed folio young Yin Fengwei
2023-05-30 8:07 ` [PATCH 4/4] filemap: Check address range in filemap_map_folio_range() Yin Fengwei
2023-03-15 5:14 ` [PATCH v4 36/36] filemap: Batch PTE mappings Matthew Wilcox (Oracle)
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