| Message ID | 20230715005405.3689586-2-rananta@google.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | KVM: arm64: Add support for FEAT_TLBIRANGE | expand |
On 15/7/23 02:53, Raghavendra Rao Ananta wrote: > From: David Matlack <dmatlack@google.com> > > Rename kvm_arch_flush_remote_tlb() and the associated macro > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB to kvm_arch_flush_remote_tlbs() and > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS respectively. > > Making the name plural matches kvm_flush_remote_tlbs() and makes it more > clear that this function can affect more than one remote TLB. > > No functional change intended. > > Signed-off-by: David Matlack <dmatlack@google.com> > Signed-off-by: Raghavendra Rao Ananta <rananta@google.com> > Reviewed-by: Gavin Shan <gshan@redhat.com> > --- > arch/mips/include/asm/kvm_host.h | 4 ++-- > arch/mips/kvm/mips.c | 2 +- > arch/x86/include/asm/kvm_host.h | 4 ++-- > include/linux/kvm_host.h | 4 ++-- > virt/kvm/kvm_main.c | 2 +- > 5 files changed, 8 insertions(+), 8 deletions(-) Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
On 7/15/23 08:53, Raghavendra Rao Ananta wrote: > From: David Matlack <dmatlack@google.com> > > Rename kvm_arch_flush_remote_tlb() and the associated macro > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB to kvm_arch_flush_remote_tlbs() and > __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS respectively. > > Making the name plural matches kvm_flush_remote_tlbs() and makes it more > clear that this function can affect more than one remote TLB. > > No functional change intended. > > Signed-off-by: David Matlack <dmatlack@google.com> > Signed-off-by: Raghavendra Rao Ananta <rananta@google.com> > Reviewed-by: Gavin Shan <gshan@redhat.com> Reviewed-by: Shaoqin Huang <shahuang@redhat.com> > --- > arch/mips/include/asm/kvm_host.h | 4 ++-- > arch/mips/kvm/mips.c | 2 +- > arch/x86/include/asm/kvm_host.h | 4 ++-- > include/linux/kvm_host.h | 4 ++-- > virt/kvm/kvm_main.c | 2 +- > 5 files changed, 8 insertions(+), 8 deletions(-) > > diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h > index 04cedf9f8811..9b0ad8f3bf32 100644 > --- a/arch/mips/include/asm/kvm_host.h > +++ b/arch/mips/include/asm/kvm_host.h > @@ -896,7 +896,7 @@ static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} > static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} > static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} > > -#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB > -int kvm_arch_flush_remote_tlb(struct kvm *kvm); > +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS > +int kvm_arch_flush_remote_tlbs(struct kvm *kvm); > > #endif /* __MIPS_KVM_HOST_H__ */ > diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c > index aa5583a7b05b..4b7bc39a4173 100644 > --- a/arch/mips/kvm/mips.c > +++ b/arch/mips/kvm/mips.c > @@ -981,7 +981,7 @@ void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot) > > } > > -int kvm_arch_flush_remote_tlb(struct kvm *kvm) > +int kvm_arch_flush_remote_tlbs(struct kvm *kvm) > { > kvm_mips_callbacks->prepare_flush_shadow(kvm); > return 1; > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index 28bd38303d70..a2d3cfc2eb75 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -1794,8 +1794,8 @@ static inline struct kvm *kvm_arch_alloc_vm(void) > #define __KVM_HAVE_ARCH_VM_FREE > void kvm_arch_free_vm(struct kvm *kvm); > > -#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB > -static inline int kvm_arch_flush_remote_tlb(struct kvm *kvm) > +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS > +static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm) > { > if (kvm_x86_ops.flush_remote_tlbs && > !static_call(kvm_x86_flush_remote_tlbs)(kvm)) > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index 9d3ac7720da9..e3f968b38ae9 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -1479,8 +1479,8 @@ static inline void kvm_arch_free_vm(struct kvm *kvm) > } > #endif > > -#ifndef __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB > -static inline int kvm_arch_flush_remote_tlb(struct kvm *kvm) > +#ifndef __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS > +static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm) > { > return -ENOTSUPP; > } > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index dfbaafbe3a00..70e5479797ac 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -361,7 +361,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) > * kvm_make_all_cpus_request() reads vcpu->mode. We reuse that > * barrier here. > */ > - if (!kvm_arch_flush_remote_tlb(kvm) > + if (!kvm_arch_flush_remote_tlbs(kvm) > || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) > ++kvm->stat.generic.remote_tlb_flush; > }
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 04cedf9f8811..9b0ad8f3bf32 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -896,7 +896,7 @@ static inline void kvm_arch_sched_in(struct kvm_vcpu *vcpu, int cpu) {} static inline void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu) {} static inline void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu) {} -#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB -int kvm_arch_flush_remote_tlb(struct kvm *kvm); +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS +int kvm_arch_flush_remote_tlbs(struct kvm *kvm); #endif /* __MIPS_KVM_HOST_H__ */ diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index aa5583a7b05b..4b7bc39a4173 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -981,7 +981,7 @@ void kvm_arch_sync_dirty_log(struct kvm *kvm, struct kvm_memory_slot *memslot) } -int kvm_arch_flush_remote_tlb(struct kvm *kvm) +int kvm_arch_flush_remote_tlbs(struct kvm *kvm) { kvm_mips_callbacks->prepare_flush_shadow(kvm); return 1; diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 28bd38303d70..a2d3cfc2eb75 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1794,8 +1794,8 @@ static inline struct kvm *kvm_arch_alloc_vm(void) #define __KVM_HAVE_ARCH_VM_FREE void kvm_arch_free_vm(struct kvm *kvm); -#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB -static inline int kvm_arch_flush_remote_tlb(struct kvm *kvm) +#define __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS +static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm) { if (kvm_x86_ops.flush_remote_tlbs && !static_call(kvm_x86_flush_remote_tlbs)(kvm)) diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 9d3ac7720da9..e3f968b38ae9 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1479,8 +1479,8 @@ static inline void kvm_arch_free_vm(struct kvm *kvm) } #endif -#ifndef __KVM_HAVE_ARCH_FLUSH_REMOTE_TLB -static inline int kvm_arch_flush_remote_tlb(struct kvm *kvm) +#ifndef __KVM_HAVE_ARCH_FLUSH_REMOTE_TLBS +static inline int kvm_arch_flush_remote_tlbs(struct kvm *kvm) { return -ENOTSUPP; } diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index dfbaafbe3a00..70e5479797ac 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -361,7 +361,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) * kvm_make_all_cpus_request() reads vcpu->mode. We reuse that * barrier here. */ - if (!kvm_arch_flush_remote_tlb(kvm) + if (!kvm_arch_flush_remote_tlbs(kvm) || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) ++kvm->stat.generic.remote_tlb_flush; }