kernel: fix mips MT_SMP kernel crash on cache flush
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Fix crash on cache flush with the MT_SMP variant
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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--- a/arch/mips/mm/c-r4k.c
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+++ b/arch/mips/mm/c-r4k.c
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@@ -60,8 +60,10 @@ static inline void r4k_on_each_cpu(void
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* to restrict that call when a CM is not present because both
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* CM-based SMP protocols (CMP & CPS) restrict index-based cache ops.
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*/
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+#ifndef CONFIG_MIPS_MT_SMP
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if (!mips_cm_present())
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smp_call_function_many(&cpu_foreign_map, func, info, 1);
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+#endif
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func(info);
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preempt_enable();
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}
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