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authorPalmer Dabbelt <palmer@rivosinc.com>2024-02-22 21:16:37 +0100
committerPalmer Dabbelt <palmer@rivosinc.com>2024-02-22 21:16:37 +0100
commit4af24146aa24d06f4594a427354f7ac878118d38 (patch)
tree182cf20a571e4ab3dd00ce049f549dbc97608fc1 /arch/riscv
parentMerge patch series "RISC-V: Fix CONFIG_AS_HAS_OPTION_ARCH with tip of tree LLVM" (diff)
parentriscv: tlb: fix __p*d_free_tlb() (diff)
downloadlinux-4af24146aa24d06f4594a427354f7ac878118d38.tar.xz
linux-4af24146aa24d06f4594a427354f7ac878118d38.zip
Merge commit '8246601a7d391ce8207408149d65732f28af81a1' into fixes
This single fix is also part of a larger cleanup, so I'm merging it into my fixes branch so it can be shared with for-next. * commit '8246601a7d391ce8207408149d65732f28af81a1': riscv: tlb: fix __p*d_free_tlb()
Diffstat (limited to 'arch/riscv')
-rw-r--r--arch/riscv/include/asm/pgalloc.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/arch/riscv/include/asm/pgalloc.h b/arch/riscv/include/asm/pgalloc.h
index d169a4f41a2e..c80bb9990d32 100644
--- a/arch/riscv/include/asm/pgalloc.h
+++ b/arch/riscv/include/asm/pgalloc.h
@@ -95,7 +95,13 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
__pud_free(mm, pud);
}
-#define __pud_free_tlb(tlb, pud, addr) pud_free((tlb)->mm, pud)
+#define __pud_free_tlb(tlb, pud, addr) \
+do { \
+ if (pgtable_l4_enabled) { \
+ pagetable_pud_dtor(virt_to_ptdesc(pud)); \
+ tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pud)); \
+ } \
+} while (0)
#define p4d_alloc_one p4d_alloc_one
static inline p4d_t *p4d_alloc_one(struct mm_struct *mm, unsigned long addr)
@@ -124,7 +130,11 @@ static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d)
__p4d_free(mm, p4d);
}
-#define __p4d_free_tlb(tlb, p4d, addr) p4d_free((tlb)->mm, p4d)
+#define __p4d_free_tlb(tlb, p4d, addr) \
+do { \
+ if (pgtable_l5_enabled) \
+ tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(p4d)); \
+} while (0)
#endif /* __PAGETABLE_PMD_FOLDED */
static inline void sync_kernel_mappings(pgd_t *pgd)
@@ -149,7 +159,11 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
#ifndef __PAGETABLE_PMD_FOLDED
-#define __pmd_free_tlb(tlb, pmd, addr) pmd_free((tlb)->mm, pmd)
+#define __pmd_free_tlb(tlb, pmd, addr) \
+do { \
+ pagetable_pmd_dtor(virt_to_ptdesc(pmd)); \
+ tlb_remove_page_ptdesc((tlb), virt_to_ptdesc(pmd)); \
+} while (0)
#endif /* __PAGETABLE_PMD_FOLDED */