Rename the "kvm" entry code files and Kconfigs to use generic "virt"
nomenclature so that the code can be reused by other hypervisors (or
rather, their root/dom0 partition drivers), without incorrectly suggesting
the code somehow relies on and/or involves KVM.
No functional change intended.
Signed-off-by: Sean Christopherson <sea...@google.com>
---
MAINTAINERS | 2 +-
arch/arm64/kvm/Kconfig | 2 +-
arch/loongarch/kvm/Kconfig | 2 +-
arch/riscv/kvm/Kconfig | 2 +-
arch/x86/kvm/Kconfig | 2 +-
include/linux/{entry-kvm.h => entry-virt.h} | 8 ++++----
include/linux/kvm_host.h | 6 +++---
include/linux/rcupdate.h | 2 +-
kernel/entry/Makefile | 2 +-
kernel/entry/{kvm.c => virt.c} | 2 +-
kernel/rcu/tree.c | 6 +++---
virt/kvm/Kconfig | 2 +-
12 files changed, 19 insertions(+), 19 deletions(-)
rename include/linux/{entry-kvm.h => entry-virt.h} (94%)
rename kernel/entry/{kvm.c => virt.c} (97%)
diff --git a/MAINTAINERS b/MAINTAINERS
index fed6cd812d79..17b9c9d7958e 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10211,7 +10211,7 @@ L: linux-ker...@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/entry
F: include/linux/entry-common.h
-F: include/linux/entry-kvm.h
+F: include/linux/entry-virt.h
F: include/linux/irq-entry-common.h
F: kernel/entry/
diff --git a/arch/arm64/kvm/Kconfig b/arch/arm64/kvm/Kconfig
index 713248f240e0..6f4fc3caa31a 100644
--- a/arch/arm64/kvm/Kconfig
+++ b/arch/arm64/kvm/Kconfig
@@ -25,7 +25,7 @@ menuconfig KVM
select HAVE_KVM_CPU_RELAX_INTERCEPT
select KVM_MMIO
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
- select KVM_XFER_TO_GUEST_WORK
+ select VIRT_XFER_TO_GUEST_WORK
select KVM_VFIO
select HAVE_KVM_DIRTY_RING_ACQ_REL
select NEED_KVM_DIRTY_RING_WITH_BITMAP
diff --git a/arch/loongarch/kvm/Kconfig b/arch/loongarch/kvm/Kconfig
index 40eea6da7c25..ae64bbdf83a7 100644
--- a/arch/loongarch/kvm/Kconfig
+++ b/arch/loongarch/kvm/Kconfig
@@ -31,7 +31,7 @@ config KVM
select KVM_GENERIC_HARDWARE_ENABLING
select KVM_GENERIC_MMU_NOTIFIER
select KVM_MMIO
- select KVM_XFER_TO_GUEST_WORK
+ select VIRT_XFER_TO_GUEST_WORK
select SCHED_INFO
select GUEST_PERF_EVENTS if PERF_EVENTS
help
diff --git a/arch/riscv/kvm/Kconfig b/arch/riscv/kvm/Kconfig
index 5a62091b0809..c50328212917 100644
--- a/arch/riscv/kvm/Kconfig
+++ b/arch/riscv/kvm/Kconfig
@@ -30,7 +30,7 @@ config KVM
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
select KVM_GENERIC_HARDWARE_ENABLING
select KVM_MMIO
- select KVM_XFER_TO_GUEST_WORK
+ select VIRT_XFER_TO_GUEST_WORK
select KVM_GENERIC_MMU_NOTIFIER
select SCHED_INFO
select GUEST_PERF_EVENTS if PERF_EVENTS
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 2c86673155c9..f81074b0c0a8 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -40,7 +40,7 @@ config KVM_X86
select HAVE_KVM_MSI
select HAVE_KVM_CPU_RELAX_INTERCEPT
select HAVE_KVM_NO_POLL
- select KVM_XFER_TO_GUEST_WORK
+ select VIRT_XFER_TO_GUEST_WORK
select KVM_GENERIC_DIRTYLOG_READ_PROTECT
select KVM_VFIO
select HAVE_KVM_PM_NOTIFIER if PM
diff --git a/include/linux/entry-kvm.h b/include/linux/entry-virt.h
similarity index 94%
rename from include/linux/entry-kvm.h
rename to include/linux/entry-virt.h
index 3644de7e6019..42c89e3e5ca7 100644
--- a/include/linux/entry-kvm.h
+++ b/include/linux/entry-virt.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __LINUX_ENTRYKVM_H
-#define __LINUX_ENTRYKVM_H
+#ifndef __LINUX_ENTRYVIRT_H
+#define __LINUX_ENTRYVIRT_H
#include <linux/static_call_types.h>
#include <linux/resume_user_mode.h>
@@ -10,7 +10,7 @@
#include <linux/tick.h>
/* Transfer to guest mode work */
-#ifdef CONFIG_KVM_XFER_TO_GUEST_WORK
+#ifdef CONFIG_VIRT_XFER_TO_GUEST_WORK
#ifndef ARCH_XFER_TO_GUEST_MODE_WORK
# define ARCH_XFER_TO_GUEST_MODE_WORK (0)
@@ -90,6 +90,6 @@ static inline bool xfer_to_guest_mode_work_pending(void)
lockdep_assert_irqs_disabled();
return __xfer_to_guest_mode_work_pending();
}
-#endif /* CONFIG_KVM_XFER_TO_GUEST_WORK */
+#endif /* CONFIG_VIRT_XFER_TO_GUEST_WORK */
#endif
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 598b9473e46d..70ac2267d5d0 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -2,7 +2,7 @@
#ifndef __KVM_HOST_H
#define __KVM_HOST_H
-#include <linux/entry-kvm.h>
+#include <linux/entry-virt.h>
#include <linux/types.h>
#include <linux/hardirq.h>
#include <linux/list.h>
@@ -2444,7 +2444,7 @@ static inline int kvm_arch_vcpu_run_pid_change(struct
kvm_vcpu *vcpu)
}
#endif /* CONFIG_HAVE_KVM_VCPU_RUN_PID_CHANGE */
-#ifdef CONFIG_KVM_XFER_TO_GUEST_WORK
+#ifdef CONFIG_VIRT_XFER_TO_GUEST_WORK
static inline void kvm_handle_signal_exit(struct kvm_vcpu *vcpu)
{
vcpu->run->exit_reason = KVM_EXIT_INTR;
@@ -2461,7 +2461,7 @@ static inline int
kvm_xfer_to_guest_mode_handle_work(struct kvm_vcpu *vcpu)
}
return r;
}
-#endif /* CONFIG_KVM_XFER_TO_GUEST_WORK */
+#endif /* CONFIG_VIRT_XFER_TO_GUEST_WORK */
/*
* If more than one page is being (un)accounted, @virt must be the address of
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 120536f4c6eb..1e1f3aa375d9 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -129,7 +129,7 @@ static inline void rcu_sysrq_start(void) { }
static inline void rcu_sysrq_end(void) { }
#endif /* #else #ifdef CONFIG_RCU_STALL_COMMON */
-#if defined(CONFIG_NO_HZ_FULL) && (!defined(CONFIG_GENERIC_ENTRY) ||
!defined(CONFIG_KVM_XFER_TO_GUEST_WORK))
+#if defined(CONFIG_NO_HZ_FULL) && (!defined(CONFIG_GENERIC_ENTRY) ||
!defined(CONFIG_VIRT_XFER_TO_GUEST_WORK))
void rcu_irq_work_resched(void);
#else
static __always_inline void rcu_irq_work_resched(void) { }
diff --git a/kernel/entry/Makefile b/kernel/entry/Makefile
index 77fcd83dd663..2333d70802e4 100644
--- a/kernel/entry/Makefile
+++ b/kernel/entry/Makefile
@@ -14,4 +14,4 @@ CFLAGS_common.o += -fno-stack-protector
obj-$(CONFIG_GENERIC_IRQ_ENTRY) += common.o
obj-$(CONFIG_GENERIC_SYSCALL) += syscall-common.o
syscall_user_dispatch.o
-obj-$(CONFIG_KVM_XFER_TO_GUEST_WORK) += kvm.o
+obj-$(CONFIG_VIRT_XFER_TO_GUEST_WORK) += virt.o
diff --git a/kernel/entry/kvm.c b/kernel/entry/virt.c
similarity index 97%
rename from kernel/entry/kvm.c
rename to kernel/entry/virt.c
index 6fc762eaacca..c52f99249763 100644
--- a/kernel/entry/kvm.c
+++ b/kernel/entry/virt.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
-#include <linux/entry-kvm.h>
+#include <linux/entry-virt.h>
static int xfer_to_guest_mode_work(unsigned long ti_work)
{
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 8eff357b0436..371447651929 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -573,7 +573,7 @@ void rcutorture_format_gp_seqs(unsigned long long seqs,
char *cp, size_t len)
}
EXPORT_SYMBOL_GPL(rcutorture_format_gp_seqs);
-#if defined(CONFIG_NO_HZ_FULL) && (!defined(CONFIG_GENERIC_ENTRY) ||
!defined(CONFIG_KVM_XFER_TO_GUEST_WORK))
+#if defined(CONFIG_NO_HZ_FULL) && (!defined(CONFIG_GENERIC_ENTRY) ||
!defined(CONFIG_VIRT_XFER_TO_GUEST_WORK))
/*
* An empty function that will trigger a reschedule on
* IRQ tail once IRQs get re-enabled on userspace/guest resume.
@@ -602,7 +602,7 @@ noinstr void rcu_irq_work_resched(void)
if (IS_ENABLED(CONFIG_GENERIC_ENTRY) && !(current->flags & PF_VCPU))
return;
- if (IS_ENABLED(CONFIG_KVM_XFER_TO_GUEST_WORK) && (current->flags &
PF_VCPU))
+ if (IS_ENABLED(CONFIG_VIRT_XFER_TO_GUEST_WORK) && (current->flags &
PF_VCPU))
return;
instrumentation_begin();
@@ -611,7 +611,7 @@ noinstr void rcu_irq_work_resched(void)
}
instrumentation_end();
}
-#endif /* #if defined(CONFIG_NO_HZ_FULL) && (!defined(CONFIG_GENERIC_ENTRY) ||
!defined(CONFIG_KVM_XFER_TO_GUEST_WORK)) */
+#endif /* #if defined(CONFIG_NO_HZ_FULL) && (!defined(CONFIG_GENERIC_ENTRY) ||
!defined(CONFIG_VIRT_XFER_TO_GUEST_WORK)) */
#ifdef CONFIG_PROVE_RCU
/**
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index 727b542074e7..ce843db53831 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -87,7 +87,7 @@ config HAVE_KVM_VCPU_RUN_PID_CHANGE
config HAVE_KVM_NO_POLL
bool
-config KVM_XFER_TO_GUEST_WORK
+config VIRT_XFER_TO_GUEST_WORK
bool
config HAVE_KVM_PM_NOTIFIER
--
2.51.0.261.g7ce5a0a67e-goog
