rtl8211F_led_control

hc

2024-05-11 297b60346df8beafee954a0fd7c2d64f33f3b9bc

 kernel/arch/x86/kernel/cpu/hypervisor.c
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@@ -26,13 +26,6 @@
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 #include <asm/processor.h>
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 #include <asm/hypervisor.h>
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-extern const struct hypervisor_x86 x86_hyper_vmware;
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-extern const struct hypervisor_x86 x86_hyper_ms_hyperv;
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-extern const struct hypervisor_x86 x86_hyper_xen_pv;
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-extern const struct hypervisor_x86 x86_hyper_xen_hvm;
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-extern const struct hypervisor_x86 x86_hyper_kvm;
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-extern const struct hypervisor_x86 x86_hyper_jailhouse;
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-
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 static const __initconst struct hypervisor_x86 * const hypervisors[] =
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 {
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 #ifdef CONFIG_XEN_PV
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@@ -49,10 +42,21 @@
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 #ifdef CONFIG_JAILHOUSE_GUEST
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 	&x86_hyper_jailhouse,
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 #endif
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+#ifdef CONFIG_ACRN_GUEST
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+	&x86_hyper_acrn,
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+#endif
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 };
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 enum x86_hypervisor_type x86_hyper_type;
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 EXPORT_SYMBOL(x86_hyper_type);
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+
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+bool __initdata nopv;
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+static __init int parse_nopv(char *arg)
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+{
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+	nopv = true;
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+	return 0;
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+}
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+early_param("nopv", parse_nopv);
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 static inline const struct hypervisor_x86 * __init
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 detect_hypervisor_vendor(void)
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@@ -61,6 +65,9 @@
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 	uint32_t pri, max_pri = 0;
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 	for (p = hypervisors; p < hypervisors + ARRAY_SIZE(hypervisors); p++) {
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+		if (unlikely(nopv) && !(*p)->ignore_nopv)
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+			continue;
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+
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 		pri = (*p)->detect();
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 		if (pri > max_pri) {
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 			max_pri = pri;