disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/arch/sparc/include/asm/tlb_64.h
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@@ -4,7 +4,6 @@
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 #include <linux/swap.h>
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 #include <linux/pagemap.h>
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-#include <asm/pgalloc.h>
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 #include <asm/tlbflush.h>
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 #include <asm/mmu_context.h>
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..
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@@ -28,6 +27,15 @@
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 #define __tlb_remove_tlb_entry(tlb, ptep, address) do { } while (0)
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 #define tlb_flush(tlb)	flush_tlb_pending()
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+/*
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+ * SPARC64's hardware TLB fill does not use the Linux page-tables
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+ * and therefore we don't need a TLBI when freeing page-table pages.
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+ */
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+
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+#ifdef CONFIG_MMU_GATHER_RCU_TABLE_FREE
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+#define tlb_needs_table_invalidate()	(false)
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+#endif
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+
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 #include <asm-generic/tlb.h>
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 #endif /* _SPARC64_TLB_H */