修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/x86/include/asm/timex.h
..
..
@@ -5,6 +5,15 @@
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 #include <asm/processor.h>
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 #include <asm/tsc.h>
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+static inline unsigned long random_get_entropy(void)
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+{
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+	if (!IS_ENABLED(CONFIG_X86_TSC) &&
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+	    !cpu_feature_enabled(X86_FEATURE_TSC))
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+		return random_get_entropy_fallback();
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+	return rdtsc();
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+}
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+#define random_get_entropy random_get_entropy
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+
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 /* Assume we use the PIT time source for the clock tick */
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 #define CLOCK_TICK_RATE		PIT_TICK_RATE
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