From patchwork Tue Mar 5 02:43:02 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 2216341 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id B9A0C3FCF6 for ; Tue, 5 Mar 2013 03:25:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932859Ab3CEDYQ (ORCPT ); Mon, 4 Mar 2013 22:24:16 -0500 Received: from inca-roads.misterjones.org ([213.251.177.50]:35996 "EHLO inca-roads.misterjones.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932483Ab3CEDYN (ORCPT ); Mon, 4 Mar 2013 22:24:13 -0500 Received: from [118.143.64.134] (helo=why.wild-wind.fr.eu.org) by inca-roads.misterjones.org with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.69) (envelope-from ) id 1UChrG-0005MK-7t; Tue, 05 Mar 2013 03:44:03 +0100 From: Marc Zyngier To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Subject: [PATCH 08/29] ARM: KVM: abstract S1TW abort detection away Date: Tue, 5 Mar 2013 02:43:02 +0000 Message-Id: <1362451403-23460-9-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 1.7.12.4 In-Reply-To: <1362451403-23460-1-git-send-email-marc.zyngier@arm.com> References: <1362451403-23460-1-git-send-email-marc.zyngier@arm.com> X-SA-Exim-Connect-IP: 118.143.64.134 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu X-SA-Exim-Mail-From: marc.zyngier@arm.com X-SA-Exim-Scanned: No (on inca-roads.misterjones.org); SAEximRunCond expanded to false Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Signed-off-by: Marc Zyngier --- arch/arm/include/asm/kvm_emulate.h | 5 +++++ arch/arm/kvm/mmio.c | 2 +- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h index 90e92b4..c27d9c9 100644 --- a/arch/arm/include/asm/kvm_emulate.h +++ b/arch/arm/include/asm/kvm_emulate.h @@ -115,4 +115,9 @@ static inline bool kvm_vcpu_dabt_isextabt(struct kvm_vcpu *vcpu) return (kvm_vcpu_get_hsr(vcpu) >> 8) & 1; } +static inline bool kvm_vcpu_dabt_iss1tw(struct kvm_vcpu *vcpu) +{ + return (kvm_vcpu_get_hsr(vcpu) >> 7) & 1; +} + #endif /* __ARM_KVM_EMULATE_H__ */ diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c index e4682a3..6495c1c 100644 --- a/arch/arm/kvm/mmio.c +++ b/arch/arm/kvm/mmio.c @@ -71,7 +71,7 @@ static int decode_hsr(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa, return 1; } - if ((kvm_vcpu_get_hsr(vcpu) >> 7) & 1) { + if (kvm_vcpu_dabt_iss1tw(vcpu)) { /* page table accesses IO mem: tell guest to fix its TTBR */ kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu)); return 1;