IPI_MAX 38 arch/csky/kernel/smp.c IPI_MAX IPI_MAX 27 arch/riscv/kernel/smp.c IPI_MAX IPI_MAX 350 arch/xtensa/kernel/smp.c IPI_MAX IPI_MAX 61 drivers/media/platform/mtk-vpu/mtk_vpu.h IPI_MAX,