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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/kernel/irq/Kconfig
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+# SPDX-License-Identifier: GPL-2.0-only
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 menu "IRQ subsystem"
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 # Options selectable by the architecture code
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@@ -42,12 +43,12 @@
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 config AUTO_IRQ_AFFINITY
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        bool
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+# Interrupt injection mechanism
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+config GENERIC_IRQ_INJECTION
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+	bool
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+
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 # Tasklet based software resend for pending interrupts on enable_irq()
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 config HARDIRQS_SW_RESEND
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-       bool
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-
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-# Preflow handler support for fasteoi (sparc64)
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-config IRQ_PREFLOW_FASTEOI
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        bool
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 # Edge style eoi based handler (cell)
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@@ -67,6 +68,7 @@
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 config IRQ_SIM
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 	bool
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 	select IRQ_WORK
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+	select IRQ_DOMAIN
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 # Support for hierarchical irq domains
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 config IRQ_DOMAIN_HIERARCHY
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 # Generic IRQ IPI support
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 config GENERIC_IRQ_IPI
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 	bool
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+	depends on SMP
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 	select IRQ_DOMAIN_HIERARCHY
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 # Generic MSI interrupt support
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 	bool
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 	select IRQ_DOMAIN_HIERARCHY
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 	select GENERIC_MSI_IRQ
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+
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+config IRQ_MSI_IOMMU
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+	bool
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 config HANDLE_DOMAIN_IRQ
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 	bool
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 config GENERIC_IRQ_RESERVATION_MODE
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 	bool
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+config ARCH_WANTS_IRQ_RAW
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+	bool
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+
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 # Support forced irq threading
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 config IRQ_FORCED_THREADING
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        bool
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 config SPARSE_IRQ
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 	bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ
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-	---help---
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+	help
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 	  Sparse irq numbering is useful for distro kernels that want
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 	  to define a high CONFIG_NR_CPUS value but still want to have
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@@ -124,8 +133,9 @@
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 config GENERIC_IRQ_DEBUGFS
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 	bool "Expose irq internals in debugfs"
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 	depends on DEBUG_FS
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+	select GENERIC_IRQ_INJECTION
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 	default n
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-	---help---
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+	help
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 	  Exposes internal state information through debugfs. Mostly for
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 	  developers and debugging of hard to diagnose interrupt problems.