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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/arch/mips/include/asm/jump_label.h
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@@ -11,6 +11,7 @@
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 #ifndef __ASSEMBLY__
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 #include <linux/types.h>
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+#include <asm/isa-rev.h>
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 #define JUMP_LABEL_NOP_SIZE 4
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@@ -21,15 +22,20 @@
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 #endif
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 #ifdef CONFIG_CPU_MICROMIPS
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-#define B_INSN "b32"
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+# define B_INSN "b32"
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+# define J_INSN "j32"
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+#elif MIPS_ISA_REV >= 6
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+# define B_INSN "bc"
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+# define J_INSN "bc"
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 #else
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-#define B_INSN "b"
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+# define B_INSN "b"
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+# define J_INSN "j"
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 #endif
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 static __always_inline bool arch_static_branch(struct static_key *key, bool branch)
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 {
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 	asm_volatile_goto("1:\t" B_INSN " 2f\n\t"
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-		"2:\tnop\n\t"
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+		"2:\t.insn\n\t"
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 		".pushsection __jump_table,  \"aw\"\n\t"
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 		WORD_INSN " 1b, %l[l_yes], %0\n\t"
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 		".popsection\n\t"
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@@ -42,8 +48,7 @@
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 static __always_inline bool arch_static_branch_jump(struct static_key *key, bool branch)
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 {
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-	asm_volatile_goto("1:\tj %l[l_yes]\n\t"
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-		"nop\n\t"
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+	asm_volatile_goto("1:\t" J_INSN " %l[l_yes]\n\t"
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 		".pushsection __jump_table,  \"aw\"\n\t"
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 		WORD_INSN " 1b, %l[l_yes], %0\n\t"
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 		".popsection\n\t"