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riscv: Fix arch_tlbbatch_flush() by clearing the batch cpumask
We must clear the cpumask once we have flushed the batch, otherwise cpus
get accumulated and we end sending IPIs to more cpus than needed.
Fixes: 54d7431af7
("riscv: Add support for BATCHED_UNMAP_TLB_FLUSH")
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Reviewed-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://lore.kernel.org/r/20240130115508.105386-1-alexghiti@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
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@ -234,4 +234,5 @@ void arch_tlbbatch_flush(struct arch_tlbflush_unmap_batch *batch)
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{
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__flush_tlb_range(&batch->cpumask, FLUSH_TLB_NO_ASID, 0,
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FLUSH_TLB_MAX_SIZE, PAGE_SIZE);
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cpumask_clear(&batch->cpumask);
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}
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