On 07/11/14 00:40, Mario Smarduch wrote:
> Allow architectures to override the generic kvm_flush_remote_tlbs()
> function via HAVE_KVM_ARCH_TLB_FLUSH_ALL. ARMv7 will need this to
> provide its own TLB flush interface.
>
> Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Signed-off-by: Mario Smarduch <m.smarduch@xxxxxxxxxxx>
Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx>
M.
> ---
> virt/kvm/Kconfig | 3 +++
> virt/kvm/kvm_main.c | 2 ++
> 2 files changed, 5 insertions(+)
>
> diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
> index fc0c5e6..3796a21 100644
> --- a/virt/kvm/Kconfig
> +++ b/virt/kvm/Kconfig
> @@ -37,3 +37,6 @@ config HAVE_KVM_CPU_RELAX_INTERCEPT
>
> config KVM_VFIO
> bool
> +
> +config HAVE_KVM_ARCH_TLB_FLUSH_ALL
> + bool
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index 33712fb..887df87 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -184,6 +184,7 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req)
> return called;
> }
>
> +#ifndef CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL
> void kvm_flush_remote_tlbs(struct kvm *kvm)
> {
> long dirty_count = kvm->tlbs_dirty;
> @@ -194,6 +195,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm)
> cmpxchg(&kvm->tlbs_dirty, dirty_count, 0);
> }
> EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs);
> +#endif
>
> void kvm_reload_remote_mmus(struct kvm *kvm)
> {
>
--
Jazz is not dead. It just smells funny...
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