add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/x86/kvm/Kconfig
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@@ -9,7 +9,7 @@
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 	bool "Virtualization"
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 	depends on HAVE_KVM || X86
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 	default y
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-	---help---
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+	help
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 	  Say Y here to get to see options for using your Linux host to run other
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 	  operating systems inside virtual machines (guests).
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 	  This option alone does not add any kernel code.
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@@ -41,10 +41,12 @@
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 	select PERF_EVENTS
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 	select HAVE_KVM_MSI
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 	select HAVE_KVM_CPU_RELAX_INTERCEPT
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+	select HAVE_KVM_NO_POLL
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+	select KVM_XFER_TO_GUEST_WORK
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 	select KVM_GENERIC_DIRTYLOG_READ_PROTECT
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 	select KVM_VFIO
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 	select SRCU
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-	---help---
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+	help
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 	  Support hosting fully virtualized guest machines using hardware
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 	  virtualization extensions.  You will need a fairly recent
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 	  processor equipped with virtualization extensions. You will also
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@@ -58,14 +60,26 @@
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 	  If unsure, say N.
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-config KVM_INTEL
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-	tristate "KVM for Intel processors support"
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+config KVM_WERROR
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+	bool "Compile KVM with -Werror"
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+	# KASAN may cause the build to fail due to larger frames
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+	default y if X86_64 && !KASAN
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+	# We use the dependency on !COMPILE_TEST to not be enabled
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+	# blindly in allmodconfig or allyesconfig configurations
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 	depends on KVM
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-	# for perf_guest_get_msrs():
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-	depends on CPU_SUP_INTEL
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-	---help---
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-	  Provides support for KVM on Intel processors equipped with the VT
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-	  extensions.
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+	depends on (X86_64 && !KASAN) || !COMPILE_TEST
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+	depends on EXPERT
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+	help
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+	  Add -Werror to the build flags for KVM.
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+
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+	  If in doubt, say "N".
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+
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+config KVM_INTEL
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+	tristate "KVM for Intel (and compatible) processors support"
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+	depends on KVM && IA32_FEAT_CTL
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+	help
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+	  Provides support for KVM on processors equipped with Intel's VT
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+	  extensions, a.k.a. Virtual Machine Extensions (VMX).
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 	  To compile this as a module, choose M here: the module
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 	  will be called kvm-intel.
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@@ -73,7 +87,7 @@
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 config KVM_AMD
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 	tristate "KVM for AMD processors support"
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 	depends on KVM
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-	---help---
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+	help
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 	  Provides support for KVM on AMD processors equipped with the AMD-V
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 	  (SVM) extensions.
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@@ -85,18 +99,14 @@
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 	bool "AMD Secure Encrypted Virtualization (SEV) support"
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 	depends on KVM_AMD && X86_64
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 	depends on CRYPTO_DEV_SP_PSP && !(KVM_AMD=y && CRYPTO_DEV_CCP_DD=m)
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-	---help---
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+	help
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 	Provides support for launching Encrypted VMs on AMD processors.
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 config KVM_MMU_AUDIT
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 	bool "Audit KVM MMU"
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 	depends on KVM && TRACEPOINTS
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-	---help---
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+	help
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 	 This option adds a R/W kVM module parameter 'mmu_audit', which allows
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 	 auditing of KVM MMU events at runtime.
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-
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-# OK, it's a little counter-intuitive to do this, but it puts it neatly under
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-# the virtualization menu.
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-source drivers/vhost/Kconfig
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 endif # VIRTUALIZATION