Hello!
On 3/5/23 1:15 AM, Jiaxun Yang wrote:
> Curretly c-octeon relies on octeon's own smp function to flush
Currently.
> I-Cache. However this function is not available on generic platform.
>
> Just use smp_call_function_many on generic platform.
>
> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
> ---
> arch/mips/mm/c-octeon.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c
> index c7ed589de882..61db09e5044c 100644
> --- a/arch/mips/mm/c-octeon.c
> +++ b/arch/mips/mm/c-octeon.c
> @@ -83,8 +83,14 @@ static void octeon_flush_icache_all_cores(struct vm_area_struct *vma)
> else
> mask = *cpu_online_mask;
> cpumask_clear_cpu(cpu, &mask);
> - for_each_cpu(cpu, &mask)
> +#ifdef CONFIG_CAVIUM_OCTEON_SOC
> + for_each_cpu(cpu, &mask) {
> octeon_send_ipi_single(cpu, SMP_ICACHE_FLUSH);
> + }
I think {} aren't needed here.
> +#else
> + smp_call_function_many(&mask, (smp_call_func_t)octeon_local_flush_icache,
> + NULL, 1);
> +#endif
>
> preempt_enable();
> #endif
MBR, Sergey
