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riscv: tlb: convert __p*d_free_tlb() to inline functions

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This is to prepare for enabling MMU_GATHER_RCU_TABLE_FREE.
No functionality changes.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20231219175046.2496-3-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Jisheng Zhang 2023-12-20 01:50:44 +08:00 committed by Palmer Dabbelt
parent 8246601a7d
commit 40d1bb92a4
No known key found for this signature in database
GPG Key ID: 2E1319F35FBB1889
1 changed files with 32 additions and 22 deletions
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54
arch/riscv/include/asm/pgalloc.h
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@ -95,13 +95,16 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
__pud_free(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)
static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
unsigned long addr)
{
if (pgtable_l4_enabled) {
struct ptdesc *ptdesc = virt_to_ptdesc(pud);
pagetable_pud_dtor(ptdesc);
tlb_remove_page_ptdesc(tlb, ptdesc);
}
}
#define p4d_alloc_one p4d_alloc_one
static inline p4d_t *p4d_alloc_one(struct mm_struct *mm, unsigned long addr)
@ -130,11 +133,12 @@ static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d)
__p4d_free(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)
static inline void __p4d_free_tlb(struct mmu_gather *tlb, p4d_t *p4d,
unsigned long addr)
{
if (pgtable_l5_enabled)
tlb_remove_page_ptdesc(tlb, virt_to_ptdesc(p4d));
}
#endif /* __PAGETABLE_PMD_FOLDED */
static inline void sync_kernel_mappings(pgd_t *pgd)
@ -159,19 +163,25 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
#ifndef __PAGETABLE_PMD_FOLDED
#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)
static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
unsigned long addr)
{
struct ptdesc *ptdesc = virt_to_ptdesc(pmd);
pagetable_pmd_dtor(ptdesc);
tlb_remove_page_ptdesc(tlb, ptdesc);
}
#endif /* __PAGETABLE_PMD_FOLDED */
#define __pte_free_tlb(tlb, pte, buf) \
do { \
pagetable_pte_dtor(page_ptdesc(pte)); \
tlb_remove_page_ptdesc((tlb), page_ptdesc(pte));\
} while (0)
static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
unsigned long addr)
{
struct ptdesc *ptdesc = page_ptdesc(pte);
pagetable_pte_dtor(ptdesc);
tlb_remove_page_ptdesc(tlb, ptdesc);
}
#endif /* CONFIG_MMU */
#endif /* _ASM_RISCV_PGALLOC_H */