30 lines
732 B
Diff
30 lines
732 B
Diff
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
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index cea0cd9..c326065 100644
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--- a/arch/x86/Kconfig
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+++ b/arch/x86/Kconfig
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@@ -2142,3 +2142,8 @@ source "crypto/Kconfig"
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source "arch/x86/kvm/Kconfig"
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source "lib/Kconfig"
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+
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+config PCI_DEFAULT_USE_CRS
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+ def_bool y
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+ prompt "Use PCI Host Bridge Windows from ACPI by default?"
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+ depends on ACPI
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diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
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index 15466c0..3099406 100644
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--- a/arch/x86/pci/acpi.c
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+++ b/arch/x86/pci/acpi.c
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@@ -16,7 +16,11 @@ struct pci_root_info {
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int busnum;
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};
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+#ifdef CONFIG_PCI_DEFAULT_USE_CRS
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static bool pci_use_crs = true;
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+#else
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+static bool pci_use_crs = false;
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+#endif
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static int __init set_use_crs(const struct dmi_system_id *id)
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{
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