From: "Matthew Wilcox (Oracle)" <willy@infradead.org>
To: linux-mm@kvack.org, Michal Simek <monstr@monstr.eu>,
linux-arch@vger.kernel.org
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Subject: [PATCH 16/17] microblaze: Implement the new page table range API
Date: Wed, 15 Feb 2023 20:09:19 +0000 [thread overview]
Message-ID: <20230215200920.1849567-3-willy@infradead.org> (raw)
In-Reply-To: <20230215200920.1849567-1-willy@infradead.org>
Add set_ptes(), update_mmu_cache_range(), flush_icache_pages() and
flush_dcache_folio(). Also change the calling convention for set_pte()
to be the same as other architectures.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
arch/microblaze/include/asm/cacheflush.h | 8 ++++++++
arch/microblaze/include/asm/pgtable.h | 17 ++++++++++++-----
arch/microblaze/include/asm/tlbflush.h | 4 +++-
3 files changed, 23 insertions(+), 6 deletions(-)
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h
index 39f8fb6768d8..e6641ff98cb3 100644
--- a/arch/microblaze/include/asm/cacheflush.h
+++ b/arch/microblaze/include/asm/cacheflush.h
@@ -74,6 +74,14 @@ do { \
flush_dcache_range((unsigned) (addr), (unsigned) (addr) + PAGE_SIZE); \
} while (0);
+static void flush_dcache_folio(struct folio *folio)
+{
+ unsigned long addr = folio_pfn(folio) << PAGE_SHIFT;
+
+ flush_dcache_range(addr, addr + folio_size(folio));
+}
+#define flush_dcache_folio flush_dcache_folio
+
#define flush_cache_page(vma, vmaddr, pfn) \
flush_dcache_range(pfn << PAGE_SHIFT, (pfn << PAGE_SHIFT) + PAGE_SIZE);
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index d1b8272abcd9..a01e1369b486 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -330,18 +330,25 @@ static inline unsigned long pte_update(pte_t *p, unsigned long clr,
/*
* set_pte stores a linux PTE into the linux page table.
*/
-static inline void set_pte(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
+static inline void set_pte(pte_t *ptep, pte_t pte)
{
*ptep = pte;
}
-static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte)
+static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, unsigned int nr)
{
- *ptep = pte;
+ for (;;) {
+ set_pte(ptep, pte);
+ if (--nr == 0)
+ break;
+ ptep++;
+ pte_val(pte) += 1 << PFN_SHIFT_OFFSET;
+ }
}
+#define set_pte_at(mm, addr, ptep, pte) set_ptes(mm, addr, ptep, pte, 1)
+
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
static inline int ptep_test_and_clear_young(struct vm_area_struct *vma,
unsigned long address, pte_t *ptep)
diff --git a/arch/microblaze/include/asm/tlbflush.h b/arch/microblaze/include/asm/tlbflush.h
index 2038168ed128..1b179e5e9062 100644
--- a/arch/microblaze/include/asm/tlbflush.h
+++ b/arch/microblaze/include/asm/tlbflush.h
@@ -33,7 +33,9 @@ static inline void local_flush_tlb_range(struct vm_area_struct *vma,
#define flush_tlb_kernel_range(start, end) do { } while (0)
-#define update_mmu_cache(vma, addr, ptep) do { } while (0)
+#define update_mmu_cache_range(vma, addr, ptep, nr) do { } while (0)
+#define update_mmu_cache(vma, addr, pte) \
+ update_mmu_cache_range(vma, addr, ptep, 1)
#define flush_tlb_all local_flush_tlb_all
#define flush_tlb_mm local_flush_tlb_mm
--
2.39.1
next prev parent reply other threads:[~2023-02-15 20:09 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-11 3:39 [PATCH 0/7] New arch interfaces for manipulating multiple pages Matthew Wilcox (Oracle)
2023-02-11 3:39 ` [PATCH 1/7] mm: Convert page_table_check_pte_set() to page_table_check_ptes_set() Matthew Wilcox (Oracle)
2023-02-11 3:39 ` [PATCH 2/7] mm: Add generic flush_icache_pages() and documentation Matthew Wilcox (Oracle)
2023-02-11 3:39 ` [PATCH 3/7] mm: Add folio_flush_mapping() Matthew Wilcox (Oracle)
2023-02-11 3:39 ` [PATCH 4/7] mm: Remove ARCH_IMPLEMENTS_FLUSH_DCACHE_FOLIO Matthew Wilcox (Oracle)
2023-02-12 15:51 ` Mike Rapoport
2023-02-12 23:59 ` Matthew Wilcox
2023-02-11 3:39 ` [PATCH 5/7] alpha: Implement the new page table range API Matthew Wilcox (Oracle)
2023-02-13 3:15 ` Yin, Fengwei
2023-02-11 3:39 ` [PATCH 6/7] arc: " Matthew Wilcox (Oracle)
2023-02-13 3:09 ` Yin, Fengwei
2023-02-13 15:16 ` Matthew Wilcox
2023-02-14 6:32 ` Yin, Fengwei
2023-02-11 3:39 ` [PATCH 7/7] x86: " Matthew Wilcox (Oracle)
2023-02-13 21:04 ` [PATCH 8/7] arm: " Matthew Wilcox (Oracle)
2023-02-15 0:04 ` [PATCH 9/7] arm64: " Matthew Wilcox (Oracle)
2023-02-15 0:04 ` [PATCH 10/7] riscv: " Matthew Wilcox (Oracle)
2023-02-15 8:38 ` Yin, Fengwei
2023-02-15 12:27 ` Yin, Fengwei
2023-02-16 8:14 ` Alexandre Ghiti
2023-02-16 13:27 ` Yin, Fengwei
2023-02-16 8:16 ` Alexandre Ghiti
2023-02-15 0:04 ` [PATCH 11/7] csky: " Matthew Wilcox (Oracle)
2023-02-15 0:04 ` [PATCH 12/7] hexagon: " Matthew Wilcox (Oracle)
2023-02-15 16:22 ` Brian Cain
2023-02-15 0:04 ` [PATCH 13/7] loongson: " Matthew Wilcox (Oracle)
2023-02-26 4:34 ` Matthew Wilcox
2023-02-26 6:56 ` WANG Xuerui
2023-02-15 13:26 ` [PATCH 9/7] arm64: " Catalin Marinas
2023-02-15 20:09 ` [PATCH 14/17] ia64: " Matthew Wilcox (Oracle)
2023-02-15 20:09 ` [PATCH 15/17] m68k: " Matthew Wilcox (Oracle)
2023-02-16 0:59 ` Michael Schmitz
2023-02-16 4:26 ` Matthew Wilcox
2023-02-16 7:55 ` Geert Uytterhoeven
2023-02-16 22:03 ` Michael Schmitz
2023-02-15 20:09 ` Matthew Wilcox (Oracle) [this message]
2023-02-15 20:09 ` [PATCH 17/17] mips: " Matthew Wilcox (Oracle)
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