Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932911Ab3GPAzB (ORCPT ); Mon, 15 Jul 2013 20:55:01 -0400 Received: from mail-pb0-f50.google.com ([209.85.160.50]:43849 "EHLO mail-pb0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932728Ab3GPAy6 (ORCPT ); Mon, 15 Jul 2013 20:54:58 -0400 From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Cc: Alexey Kardashevskiy , David Gibson , Benjamin Herrenschmidt , Paul Mackerras , Alexander Graf , Alex Williamson , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, kvm-ppc@vger.kernel.org Subject: [PATCH 06/10] KVM: PPC: enable IOMMU_API for KVM_BOOK3S_64 permanently Date: Tue, 16 Jul 2013 10:54:01 +1000 Message-Id: <1373936045-22653-7-git-send-email-aik@ozlabs.ru> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1373936045-22653-1-git-send-email-aik@ozlabs.ru> References: <1373936045-22653-1-git-send-email-aik@ozlabs.ru> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1168 Lines: 33 It does not make much sense to have KVM in book3s-64bit and not to have IOMMU bits for PCI pass through support as it costs little and allows VFIO to function on book3s-kvm. Having IOMMU_API enabled will make it unnecessary to have a lot of IOMMU_API enabled, those files only accelerate user space emulated devices which do not seem to be in use very often. Signed-off-by: Alexey Kardashevskiy --- arch/powerpc/kvm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig index c55c538..3b2b761 100644 --- a/arch/powerpc/kvm/Kconfig +++ b/arch/powerpc/kvm/Kconfig @@ -59,6 +59,7 @@ config KVM_BOOK3S_64 depends on PPC_BOOK3S_64 select KVM_BOOK3S_64_HANDLER select KVM + select SPAPR_TCE_IOMMU ---help--- Support running unmodified book3s_64 and book3s_32 guest kernels in virtual machines on book3s_64 host processors. -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/