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MIPS: c-octeon: Provide alternative SMP cache flush function

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Currently c-octeon relies on octeon's own smp function to flush
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@flygoat.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Jiaxun Yang 2023-04-04 10:33:45 +01:00 committed by Thomas Bogendoerfer
parent f641519409
commit 6e90049162
1 changed files with 5 additions and 0 deletions
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5
arch/mips/mm/c-octeon.c
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@ -83,8 +83,13 @@ static void octeon_flush_icache_all_cores(struct vm_area_struct *vma)
else
mask = *cpu_online_mask;
cpumask_clear_cpu(cpu, &mask);
#ifdef CONFIG_CAVIUM_OCTEON_SOC
for_each_cpu(cpu, &mask)
octeon_send_ipi_single(cpu, SMP_ICACHE_FLUSH);
#else
smp_call_function_many(&mask, (smp_call_func_t)octeon_local_flush_icache,
NULL, 1);
#endif
preempt_enable();
#endif