Commit 6e900491 authored by Jiaxun Yang's avatar Jiaxun Yang Committed by Thomas Bogendoerfer
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MIPS: c-octeon: Provide alternative SMP cache flush function 



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: default avatarJiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent f6415194

arch/mips/mm/c-octeon.c

+5 −0
Original line number Diff line number Diff line
@@ -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