treewide: remove CONFIG_HAVE_KVM

It has no users anymore.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

arch/arm64/Kconfig

@@ -216,7 +216,6 @@ config ARM64
 	select HAVE_HW_BREAKPOINT if PERF_EVENTS
 	select HAVE_IOREMAP_PROT
 	select HAVE_IRQ_TIME_ACCOUNTING
-	select HAVE_KVM
 	select HAVE_MOD_ARCH_SPECIFIC
 	select HAVE_NMI
 	select HAVE_PERF_EVENTS

arch/arm64/kvm/Kconfig

@@ -20,7 +20,6 @@ if VIRTUALIZATION
 
 menuconfig KVM
 	bool "Kernel-based Virtual Machine (KVM) support"
-	depends on HAVE_KVM
 	select KVM_COMMON
 	select KVM_GENERIC_HARDWARE_ENABLING
 	select KVM_GENERIC_MMU_NOTIFIER

arch/loongarch/Kconfig

@@ -133,7 +133,6 @@ config LOONGARCH
 	select HAVE_KPROBES
 	select HAVE_KPROBES_ON_FTRACE
 	select HAVE_KRETPROBES
-	select HAVE_KVM
 	select HAVE_MOD_ARCH_SPECIFIC
 	select HAVE_NMI
 	select HAVE_PCI

arch/loongarch/kvm/Kconfig

@@ -20,7 +20,6 @@ if VIRTUALIZATION
 config KVM
 	tristate "Kernel-based Virtual Machine (KVM) support"
 	depends on AS_HAS_LVZ_EXTENSION
-	depends on HAVE_KVM
 	select HAVE_KVM_DIRTY_RING_ACQ_REL
 	select HAVE_KVM_VCPU_ASYNC_IOCTL
 	select KVM_COMMON

arch/mips/Kconfig

@@ -1262,7 +1262,6 @@ config CPU_LOONGSON64
 	select MIPS_FP_SUPPORT
 	select GPIOLIB
 	select SWIOTLB
-	select HAVE_KVM
 	help
 	  The Loongson GSx64(GS264/GS464/GS464E/GS464V) series of processor
 	  cores implements the MIPS64R2 instruction set with many extensions,
@@ -1375,7 +1374,6 @@ config CPU_MIPS32_R2
 	select CPU_SUPPORTS_32BIT_KERNEL
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_MSA
-	select HAVE_KVM
 	help
 	  Choose this option to build a kernel for release 2 or later of the
 	  MIPS32 architecture.  Most modern embedded systems with a 32-bit
@@ -1391,7 +1389,6 @@ config CPU_MIPS32_R5
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_MSA
 	select CPU_SUPPORTS_VZ
-	select HAVE_KVM
 	select MIPS_O32_FP64_SUPPORT
 	help
 	  Choose this option to build a kernel for release 5 or later of the
@@ -1408,7 +1405,6 @@ config CPU_MIPS32_R6
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_MSA
 	select CPU_SUPPORTS_VZ
-	select HAVE_KVM
 	select MIPS_O32_FP64_SUPPORT
 	help
 	  Choose this option to build a kernel for release 6 or later of the
@@ -1444,7 +1440,6 @@ config CPU_MIPS64_R2
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_HUGEPAGES
 	select CPU_SUPPORTS_MSA
-	select HAVE_KVM
 	help
 	  Choose this option to build a kernel for release 2 or later of the
 	  MIPS64 architecture.  Many modern embedded systems with a 64-bit
@@ -1463,7 +1458,6 @@ config CPU_MIPS64_R5
 	select CPU_SUPPORTS_MSA
 	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
 	select CPU_SUPPORTS_VZ
-	select HAVE_KVM
 	help
 	  Choose this option to build a kernel for release 5 or later of the
 	  MIPS64 architecture.  This is a intermediate MIPS architecture
@@ -1482,7 +1476,6 @@ config CPU_MIPS64_R6
 	select CPU_SUPPORTS_MSA
 	select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32
 	select CPU_SUPPORTS_VZ
-	select HAVE_KVM
 	help
 	  Choose this option to build a kernel for release 6 or later of the
 	  MIPS64 architecture.  New MIPS processors, starting with the Warrior
@@ -1500,7 +1493,6 @@ config CPU_P5600
 	select CPU_SUPPORTS_VZ
 	select CPU_MIPSR2_IRQ_VI
 	select CPU_MIPSR2_IRQ_EI
-	select HAVE_KVM
 	select MIPS_O32_FP64_SUPPORT
 	help
 	  Choose this option to build a kernel for MIPS Warrior P5600 CPU.
@@ -1621,7 +1613,6 @@ config CPU_CAVIUM_OCTEON
 	select USB_OHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
 	select MIPS_L1_CACHE_SHIFT_7
 	select CPU_SUPPORTS_VZ
-	select HAVE_KVM
 	help
 	  The Cavium Octeon processor is a highly integrated chip containing
 	  many ethernet hardware widgets for networking tasks. The processor

arch/s390/Kconfig

@@ -193,7 +193,6 @@ config S390
 	select HAVE_KPROBES
 	select HAVE_KPROBES_ON_FTRACE
 	select HAVE_KRETPROBES
-	select HAVE_KVM
 	select HAVE_LIVEPATCH
 	select HAVE_MEMBLOCK_PHYS_MAP
 	select HAVE_MOD_ARCH_SPECIFIC

arch/s390/kvm/Kconfig

@@ -19,7 +19,6 @@ if VIRTUALIZATION
 config KVM
 	def_tristate y
 	prompt "Kernel-based Virtual Machine (KVM) support"
-	depends on HAVE_KVM
 	select HAVE_KVM_CPU_RELAX_INTERCEPT
 	select HAVE_KVM_VCPU_ASYNC_IOCTL
 	select KVM_ASYNC_PF

arch/x86/Kconfig

@@ -244,7 +244,6 @@ config X86
 	select HAVE_FUNCTION_ERROR_INJECTION
 	select HAVE_KRETPROBES
 	select HAVE_RETHOOK
-	select HAVE_KVM
 	select HAVE_LIVEPATCH			if X86_64
 	select HAVE_MIXED_BREAKPOINTS_REGS
 	select HAVE_MOD_ARCH_SPECIFIC

arch/x86/kvm/Kconfig

@@ -7,7 +7,6 @@ source "virt/kvm/Kconfig"
 
 menuconfig VIRTUALIZATION
 	bool "Virtualization"
-	depends on HAVE_KVM || X86
 	default y
 	help
 	  Say Y here to get to see options for using your Linux host to run other
@@ -20,7 +19,6 @@ if VIRTUALIZATION
 
 config KVM
 	tristate "Kernel-based Virtual Machine (KVM) support"
-	depends on HAVE_KVM
 	depends on HIGH_RES_TIMERS
 	depends on X86_LOCAL_APIC
 	select KVM_COMMON

virt/kvm/Kconfig

 # SPDX-License-Identifier: GPL-2.0
 # KVM common configuration items and defaults
 
-config HAVE_KVM
-       bool
-
 config KVM_COMMON
        bool
        select EVENTFD