Il 20/09/2014 12:47, Tang Chen ha scritto:
> Since different architectures need different handling, we will add some arch specific
> code later. The code may need to make cpu requests outside kvm_main.c, so make it
> non-static and rename it to kvm_make_all_cpus_request().
>
> Signed-off-by: Tang Chen <tangchen@xxxxxxxxxxxxxx>
> ---
> include/linux/kvm_host.h | 1 +
> virt/kvm/kvm_main.c | 10 +++++-----
> 2 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
> index c23236a..73de13c 100644
> --- a/include/linux/kvm_host.h
> +++ b/include/linux/kvm_host.h
> @@ -580,6 +580,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm);
> void kvm_reload_remote_mmus(struct kvm *kvm);
> void kvm_make_mclock_inprogress_request(struct kvm *kvm);
> void kvm_make_scan_ioapic_request(struct kvm *kvm);
> +bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req);
>
> long kvm_arch_dev_ioctl(struct file *filp,
> unsigned int ioctl, unsigned long arg);
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 33712fb..0f8b6f6 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -152,7 +152,7 @@ static void ack_flush(void *_completed)
> {
> }
>
> -static bool make_all_cpus_request(struct kvm *kvm, unsigned int req)
> +bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req)
> {
> int i, cpu, me;
> cpumask_var_t cpus;
> @@ -189,7 +189,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm)
> long dirty_count = kvm->tlbs_dirty;
>
> smp_mb();
> - if (make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH))
> + if (kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH))
> ++kvm->stat.remote_tlb_flush;
> cmpxchg(&kvm->tlbs_dirty, dirty_count, 0);
> }
> @@ -197,17 +197,17 @@ EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs);
>
> void kvm_reload_remote_mmus(struct kvm *kvm)
> {
> - make_all_cpus_request(kvm, KVM_REQ_MMU_RELOAD);
> + kvm_make_all_cpus_request(kvm, KVM_REQ_MMU_RELOAD);
> }
>
> void kvm_make_mclock_inprogress_request(struct kvm *kvm)
> {
> - make_all_cpus_request(kvm, KVM_REQ_MCLOCK_INPROGRESS);
> + kvm_make_all_cpus_request(kvm, KVM_REQ_MCLOCK_INPROGRESS);
> }
>
> void kvm_make_scan_ioapic_request(struct kvm *kvm)
> {
> - make_all_cpus_request(kvm, KVM_REQ_SCAN_IOAPIC);
> + kvm_make_all_cpus_request(kvm, KVM_REQ_SCAN_IOAPIC);
> }
>
> int kvm_vcpu_init(struct kvm_vcpu *vcpu, struct kvm *kvm, unsigned id)
>
Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
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