修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/s390/kernel/nospec-branch.c
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@@ -38,7 +38,7 @@
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 {
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 	if (test_facility(156))
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 		pr_info("Spectre V2 mitigation: etokens\n");
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-	if (IS_ENABLED(CC_USING_EXPOLINE) && !nospec_disable)
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+	if (__is_defined(CC_USING_EXPOLINE) && !nospec_disable)
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 		pr_info("Spectre V2 mitigation: execute trampolines\n");
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 	if (__test_facility(82, S390_lowcore.alt_stfle_fac_list))
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 		pr_info("Spectre V2 mitigation: limited branch prediction\n");
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@@ -64,10 +64,10 @@
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 		 * The machine supports etokens.
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 		 * Disable expolines and disable nobp.
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 		 */
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-		if (IS_ENABLED(CC_USING_EXPOLINE))
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+		if (__is_defined(CC_USING_EXPOLINE))
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 			nospec_disable = 1;
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 		__clear_facility(82, S390_lowcore.alt_stfle_fac_list);
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-	} else if (IS_ENABLED(CC_USING_EXPOLINE)) {
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+	} else if (__is_defined(CC_USING_EXPOLINE)) {
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 		/*
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 		 * The kernel has been compiled with expolines.
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 		 * Keep expolines enabled and disable nobp.