36 lines
795 B
C
36 lines
795 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/mm.h>
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#include <linux/smp.h>
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#include <asm/sbi.h>
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void flush_tlb_all(void)
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{
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sbi_remote_sfence_vma(NULL, 0, -1);
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}
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static void __sbi_tlb_flush_range(struct cpumask *cmask, unsigned long start,
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unsigned long size)
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{
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struct cpumask hmask;
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riscv_cpuid_to_hartid_mask(cmask, &hmask);
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sbi_remote_sfence_vma(hmask.bits, start, size);
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}
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void flush_tlb_mm(struct mm_struct *mm)
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{
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__sbi_tlb_flush_range(mm_cpumask(mm), 0, -1);
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}
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void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr)
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{
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__sbi_tlb_flush_range(mm_cpumask(vma->vm_mm), addr, PAGE_SIZE);
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}
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void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
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unsigned long end)
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{
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__sbi_tlb_flush_range(mm_cpumask(vma->vm_mm), start, end - start);
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}
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