[PATCH 1/4] KVM: constify kvm_arch_flush_remote_tlbs_memslot

Paolo Bonzini
2021-04-02T15:58:14Z

memslots are stored in RCU and there should be no need to
change them.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/arm64/kvm/arm.c | 2 +-
arch/mips/kvm/mips.c | 2 +-
arch/x86/kvm/mmu/mmu.c | 2 +-
include/linux/kvm_host.h | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index 7f06ba76698d..9141730b7963 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -1268,7 +1268,7 @@ void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot)
}

void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm,
- struct kvm_memory_slot *memslot)
+ const struct kvm_memory_slot *memslot)
{
kvm_flush_remote_tlbs(kvm);
}
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 58a8812e2fa5..7db8234a4407 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -997,7 +997,7 @@ void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot)
}

void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm,
- struct kvm_memory_slot *memslot)
+ const struct kvm_memory_slot *memslot)
{
/* Let implementation handle TLB/GVA invalidation */
kvm_mips_callbacks->flush_shadow_memslot(kvm, memslot);
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 0d92a269c5fa..f75c677910c9 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5616,7 +5616,7 @@ void kvm_mmu_zap_collapsible_sptes(struct kvm *kvm,
}

void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm,
- struct kvm_memory_slot *memslot)
+ const struct kvm_memory_slot *memslot)
{
/*
* All current use cases for flushing the TLBs for a specific memslot
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index e6d77353025c..34a974ffc882 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -894,7 +894,7 @@ void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot);

#ifdef CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT
void kvm_arch_flush_remote_tlbs_memslot(struct kvm *kvm,
- struct kvm_memory_slot *memslot);
+ const struct kvm_memory_slot *memslot);
#else /* !CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT */
int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log);
int kvm_get_dirty_log(struct kvm *kvm, struct kvm_dirty_log *log,
--
2.30.1