This patch adds support for architecture implemented VM TLB flush, currently ARMv7 defines HAVE_KVM_ARCH_TLB_FLUSH_ALL. This leaves other architectures unaffected using the generic version. In subsequent patch ARMv7 defines HAVE_KVM_ARCH_TLB_FLUSH_ALL and it's own TLB flush interface.
Signed-off-by: Mario Smarduch <m.smard...@samsung.com> --- 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) { -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html