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Message-Id: <20240104205959.4128825-5-pbonzini@redhat.com>
Date: Thu,  4 Jan 2024 15:59:59 -0500
From: Paolo Bonzini <pbonzini@...hat.com>
To: linux-kernel@...r.kernel.org,
	kvm@...r.kernel.org
Cc: ajones@...tanamicro.com
Subject: [PATCH 4/4] treewide: remove CONFIG_HAVE_KVM

It has no users anymore.  While at it also remove a dependency on X86
that is redundant within arch/x86.

Signed-off-by: Paolo Bonzini <pbonzini@...hat.com>
---
 arch/arm64/Kconfig         | 1 -
 arch/arm64/kvm/Kconfig     | 1 -
 arch/loongarch/Kconfig     | 1 -
 arch/loongarch/kvm/Kconfig | 1 -
 arch/mips/Kconfig          | 9 ---------
 arch/s390/Kconfig          | 1 -
 arch/s390/kvm/Kconfig      | 1 -
 arch/x86/Kconfig           | 1 -
 arch/x86/kvm/Kconfig       | 2 --
 virt/kvm/Kconfig           | 3 ---
 10 files changed, 21 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 7b071a00425d..dbf08f8b66dd 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -214,7 +214,6 @@ 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
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index ad5ce0454f17..d8e40d7f89f6 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/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
diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index ee123820a476..78330e0ca2f2 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -129,7 +129,6 @@ 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
diff --git a/arch/loongarch/kvm/Kconfig b/arch/loongarch/kvm/Kconfig
index 3b284b7e63ad..62c05d6e175c 100644
--- a/arch/loongarch/kvm/Kconfig
+++ b/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
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 3eb3239013d9..cf5bb1c756e6 100644
--- a/arch/mips/Kconfig
+++ b/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
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 3bec98d20283..b369ee2648c2 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -194,7 +194,6 @@ 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
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig
index f89bedbe63bd..7f17c5185dc3 100644
--- a/arch/s390/kvm/Kconfig
+++ b/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 PREEMPT_NOTIFIERS
 	select HAVE_KVM_CPU_RELAX_INTERCEPT
 	select HAVE_KVM_VCPU_ASYNC_IOCTL
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 3762f41bb092..a3935a737c14 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -240,7 +240,6 @@ 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
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index c8e62a371d24..419a72ed307a 100644
--- a/arch/x86/kvm/Kconfig
+++ b/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 PREEMPT_NOTIFIERS
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index cce5c03ecc92..4ecb6daf3f91 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -1,9 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 # KVM common configuration items and defaults
 
-config HAVE_KVM
-       bool
-
 config KVM_COMMON
        bool
        select EVENTFD
-- 
2.39.1

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