From patchwork Fri Apr 26 18:29:59 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Graf X-Patchwork-Id: 239962 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id D08A22C00FE for ; Sat, 27 Apr 2013 04:33:34 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754178Ab3DZSda (ORCPT ); Fri, 26 Apr 2013 14:33:30 -0400 Received: from cantor2.suse.de ([195.135.220.15]:39380 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757238Ab3DZSan (ORCPT ); Fri, 26 Apr 2013 14:30:43 -0400 Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id D740B5E00021C; Fri, 26 Apr 2013 20:30:38 +0200 (CEST) From: Alexander Graf To: kvm-ppc@vger.kernel.org Cc: "kvm@vger.kernel.org mailing list" , Marcelo Tosatti , Gleb Natapov , Bharat Bhushan Subject: [PATCH 04/42] KVM: extend EMULATE_EXIT_USER to support different exit reasons Date: Fri, 26 Apr 2013 20:29:59 +0200 Message-Id: <1367001037-10394-26-git-send-email-agraf@suse.de> X-Mailer: git-send-email 1.6.0.2 In-Reply-To: <1367001037-10394-1-git-send-email-agraf@suse.de> References: <1367001037-10394-1-git-send-email-agraf@suse.de> Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org From: Bharat Bhushan Currently the instruction emulator code returns EMULATE_EXIT_USER and common code initializes the "run->exit_reason = .." and "vcpu->arch.hcall_needed = .." with one fixed reason. But there can be different reasons when emulator need to exit to user space. To support that the "run->exit_reason = .." and "vcpu->arch.hcall_needed = .." initialization is moved a level up to emulator. Signed-off-by: Bharat Bhushan Signed-off-by: Alexander Graf --- arch/powerpc/kvm/book3s_emulate.c | 2 ++ arch/powerpc/kvm/book3s_pr.c | 2 -- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c index cdd19d6..1f6344c 100644 --- a/arch/powerpc/kvm/book3s_emulate.c +++ b/arch/powerpc/kvm/book3s_emulate.c @@ -194,6 +194,8 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu, run->papr_hcall.args[i] = gpr; } + run->exit_reason = KVM_EXIT_PAPR_HCALL; + vcpu->arch.hcall_needed = 1; emulated = EMULATE_EXIT_USER; break; } diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index b960faf..c1cffa8 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -763,8 +763,6 @@ program_interrupt: r = RESUME_HOST_NV; break; case EMULATE_EXIT_USER: - run->exit_reason = KVM_EXIT_PAPR_HCALL; - vcpu->arch.hcall_needed = 1; r = RESUME_HOST_NV; break; default: