From patchwork Wed Jan 29 16:12:55 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 3552321 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 009579F382 for ; Wed, 29 Jan 2014 16:15:13 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 069E4200F2 for ; Wed, 29 Jan 2014 16:15:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A9936200F0 for ; Wed, 29 Jan 2014 16:15:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753043AbaA2QPF (ORCPT ); Wed, 29 Jan 2014 11:15:05 -0500 Received: from cantor2.suse.de ([195.135.220.15]:54477 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752827AbaA2QNY (ORCPT ); Wed, 29 Jan 2014 11:13:24 -0500 Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id BB0727501A; Wed, 29 Jan 2014 16:13:19 +0000 (UTC) From: Alexander Graf To: kvm@vger.kernel.org Cc: kvm-ppc@vger.kernel.org, gleb@redhat.com, Paolo Bonzini Subject: [PULL 16/36] KVM: PPC: Unify kvmppc_get_last_inst and sc Date: Wed, 29 Jan 2014 17:12:55 +0100 Message-Id: <1391011995-4891-17-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1391011995-4891-1-git-send-email-agraf@suse.de> References: <1391011995-4891-1-git-send-email-agraf@suse.de> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-7.4 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP We had code duplication between the inline functions to get our last instruction on normal interrupts and system call interrupts. Unify both helper functions towards a single implementation. Signed-off-by: Alexander Graf --- arch/powerpc/include/asm/kvm_book3s.h | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h index 8bb8706..f8b2320 100644 --- a/arch/powerpc/include/asm/kvm_book3s.h +++ b/arch/powerpc/include/asm/kvm_book3s.h @@ -264,10 +264,8 @@ static inline ulong kvmppc_get_pc(struct kvm_vcpu *vcpu) return vcpu->arch.pc; } -static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) +static inline u32 kvmppc_get_last_inst_internal(struct kvm_vcpu *vcpu, ulong pc) { - ulong pc = kvmppc_get_pc(vcpu); - /* Load the instruction manually if it failed to do so in the * exit path */ if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED) @@ -276,6 +274,11 @@ static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) return vcpu->arch.last_inst; } +static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) +{ + return kvmppc_get_last_inst_internal(vcpu, kvmppc_get_pc(vcpu)); +} + /* * Like kvmppc_get_last_inst(), but for fetching a sc instruction. * Because the sc instruction sets SRR0 to point to the following @@ -283,14 +286,7 @@ static inline u32 kvmppc_get_last_inst(struct kvm_vcpu *vcpu) */ static inline u32 kvmppc_get_last_sc(struct kvm_vcpu *vcpu) { - ulong pc = kvmppc_get_pc(vcpu) - 4; - - /* Load the instruction manually if it failed to do so in the - * exit path */ - if (vcpu->arch.last_inst == KVM_INST_FETCH_FAILED) - kvmppc_ld(vcpu, &pc, sizeof(u32), &vcpu->arch.last_inst, false); - - return vcpu->arch.last_inst; + return kvmppc_get_last_inst_internal(vcpu, kvmppc_get_pc(vcpu) - 4); } static inline ulong kvmppc_get_fault_dar(struct kvm_vcpu *vcpu)