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| author | Samuel Holland <samuel.holland@sifive.com> | 2024-03-01 12:18:32 -0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2024-03-26 08:26:43 -0700 |
| commit | 674bc0168e6b68070c75df22e97ab63b6eb60d89 (patch) | |
| tree | 2df4e33c6b447ebdcb07d53cf9be4b8c09d1a4b2 /arch | |
| parent | 4cece764965020c22cff7665b18a012006359095 (diff) | |
| download | linux-674bc0168e6b68070c75df22e97ab63b6eb60d89.tar.gz | |
riscv: mm: Fix prototype to avoid discarding const
__flush_tlb_range() does not modify the provided cpumask, so its cmask
parameter can be pointer-to-const. This avoids the unsafe cast of
cpu_online_mask.
Fixes: 54d7431af73e ("riscv: Add support for BATCHED_UNMAP_TLB_FLUSH")
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Link: https://lore.kernel.org/r/20240301201837.2826172-1-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/mm/tlbflush.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/riscv/mm/tlbflush.c b/arch/riscv/mm/tlbflush.c index 893566e004b73f..07d743f87b3f69 100644 --- a/arch/riscv/mm/tlbflush.c +++ b/arch/riscv/mm/tlbflush.c @@ -99,7 +99,7 @@ static void __ipi_flush_tlb_range_asid(void *info) local_flush_tlb_range_asid(d->start, d->size, d->stride, d->asid); } -static void __flush_tlb_range(struct cpumask *cmask, unsigned long asid, +static void __flush_tlb_range(const struct cpumask *cmask, unsigned long asid, unsigned long start, unsigned long size, unsigned long stride) { @@ -200,7 +200,7 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, void flush_tlb_kernel_range(unsigned long start, unsigned long end) { - __flush_tlb_range((struct cpumask *)cpu_online_mask, FLUSH_TLB_NO_ASID, + __flush_tlb_range(cpu_online_mask, FLUSH_TLB_NO_ASID, start, end - start, PAGE_SIZE); } |