On Tue, Aug 26, 2014 at 05:04:03PM -0700, Mario Smarduch wrote:
> Add support to declare architecture specific TLB flush function, for now only
> ARMv7.
>
> Signed-off-by: Mario Smarduch <m.smarduch@xxxxxxxxxxx>
> ---
> virt/kvm/Kconfig | 3 +++
> virt/kvm/kvm_main.c | 4 ++++
> 2 files changed, 7 insertions(+)
>
> diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
> index 13f2d19..f1efaa5 100644
> --- a/virt/kvm/Kconfig
> +++ b/virt/kvm/Kconfig
> @@ -34,3 +34,6 @@ 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 4b6c01b..d0a24f5 100644
> --- a/virt/kvm/kvm_main.c
> +++ b/virt/kvm/kvm_main.c
> @@ -186,12 +186,16 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req)
>
> void kvm_flush_remote_tlbs(struct kvm *kvm)
> {
> +#ifdef CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL
> + kvm_arch_flush_remote_tlbs(kvm);
missing prototype declaration?
> +#else
> long dirty_count = kvm->tlbs_dirty;
>
> smp_mb();
> if (make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH))
> ++kvm->stat.remote_tlb_flush;
> cmpxchg(&kvm->tlbs_dirty, dirty_count, 0);
> +#endif
> }
> EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs);
>
> --
> 1.8.3.2
Otherwise:
Acked-by: Christoffer Dall <christoffer.dall@xxxxxxxxxx>
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