From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A166C54FCB for ; Sun, 26 Apr 2020 12:51:53 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C9EAA2071C for ; Sun, 26 Apr 2020 12:51:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9EAA2071C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 49978Q6LYdzDqZk for ; Sun, 26 Apr 2020 22:51:50 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.alibaba.com (client-ip=115.124.30.132; helo=out30-132.freemail.mail.aliyun.com; envelope-from=tianjia.zhang@linux.alibaba.com; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=linux.alibaba.com Received: from out30-132.freemail.mail.aliyun.com (out30-132.freemail.mail.aliyun.com [115.124.30.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4996t671kjzDqJg for ; Sun, 26 Apr 2020 22:39:26 +1000 (AEST) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R131e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e01419; MF=tianjia.zhang@linux.alibaba.com; NM=1; PH=DS; RN=37; SR=0; TI=SMTPD_---0TwgcTe9_1587904746; Received: from localhost(mailfrom:tianjia.zhang@linux.alibaba.com fp:SMTPD_---0TwgcTe9_1587904746) by smtp.aliyun-inc.com(127.0.0.1); Sun, 26 Apr 2020 20:39:07 +0800 From: Tianjia Zhang To: pbonzini@redhat.com, tsbogend@alpha.franken.de, paulus@ozlabs.org, mpe@ellerman.id.au, benh@kernel.crashing.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, david@redhat.com, cohuck@redhat.com, heiko.carstens@de.ibm.com, gor@linux.ibm.com, sean.j.christopherson@intel.com, vkuznets@redhat.com, wanpengli@tencent.com, jmattson@google.com, joro@8bytes.org, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, maz@kernel.org, james.morse@arm.com, julien.thierry.kdev@gmail.com, suzuki.poulose@arm.com, christoffer.dall@arm.com, peterx@redhat.com, thuth@redhat.com Subject: [PATCH v3 1/7] KVM: s390: clean up redundant 'kvm_run' parameters Date: Sun, 26 Apr 2020 20:38:59 +0800 Message-Id: <20200426123905.8336-2-tianjia.zhang@linux.alibaba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200426123905.8336-1-tianjia.zhang@linux.alibaba.com> References: <20200426123905.8336-1-tianjia.zhang@linux.alibaba.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-s390@vger.kernel.org, tianjia.zhang@linux.alibaba.com, kvm@vger.kernel.org, linux-mips@vger.kernel.org, kvm-ppc@vger.kernel.org, linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, kvmarm@lists.cs.columbia.edu, linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" In the current kvm version, 'kvm_run' has been included in the 'kvm_vcpu' structure. Earlier than historical reasons, many kvm-related function parameters retain the 'kvm_run' and 'kvm_vcpu' parameters at the same time. This patch does a unified cleanup of these remaining redundant parameters. Signed-off-by: Tianjia Zhang --- arch/s390/kvm/kvm-s390.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index e335a7e5ead7..c0d94eaa00d7 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -4176,8 +4176,9 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) return rc; } -static void sync_regs_fmt2(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static void sync_regs_fmt2(struct kvm_vcpu *vcpu) { + struct kvm_run *kvm_run = vcpu->run; struct runtime_instr_cb *riccb; struct gs_cb *gscb; @@ -4243,8 +4244,10 @@ static void sync_regs_fmt2(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) /* SIE will load etoken directly from SDNX and therefore kvm_run */ } -static void sync_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static void sync_regs(struct kvm_vcpu *vcpu) { + struct kvm_run *kvm_run = vcpu->run; + if (kvm_run->kvm_dirty_regs & KVM_SYNC_PREFIX) kvm_s390_set_prefix(vcpu, kvm_run->s.regs.prefix); if (kvm_run->kvm_dirty_regs & KVM_SYNC_CRS) { @@ -4273,7 +4276,7 @@ static void sync_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) /* Sync fmt2 only data */ if (likely(!kvm_s390_pv_cpu_is_protected(vcpu))) { - sync_regs_fmt2(vcpu, kvm_run); + sync_regs_fmt2(vcpu); } else { /* * In several places we have to modify our internal view to @@ -4292,8 +4295,10 @@ static void sync_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) kvm_run->kvm_dirty_regs = 0; } -static void store_regs_fmt2(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static void store_regs_fmt2(struct kvm_vcpu *vcpu) { + struct kvm_run *kvm_run = vcpu->run; + kvm_run->s.regs.todpr = vcpu->arch.sie_block->todpr; kvm_run->s.regs.pp = vcpu->arch.sie_block->pp; kvm_run->s.regs.gbea = vcpu->arch.sie_block->gbea; @@ -4313,8 +4318,10 @@ static void store_regs_fmt2(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) /* SIE will save etoken directly into SDNX and therefore kvm_run */ } -static void store_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) +static void store_regs(struct kvm_vcpu *vcpu) { + struct kvm_run *kvm_run = vcpu->run; + kvm_run->psw_mask = vcpu->arch.sie_block->gpsw.mask; kvm_run->psw_addr = vcpu->arch.sie_block->gpsw.addr; kvm_run->s.regs.prefix = kvm_s390_get_prefix(vcpu); @@ -4333,7 +4340,7 @@ static void store_regs(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run) current->thread.fpu.fpc = vcpu->arch.host_fpregs.fpc; current->thread.fpu.regs = vcpu->arch.host_fpregs.regs; if (likely(!kvm_s390_pv_cpu_is_protected(vcpu))) - store_regs_fmt2(vcpu, kvm_run); + store_regs_fmt2(vcpu); } int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) @@ -4371,7 +4378,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) goto out; } - sync_regs(vcpu, kvm_run); + sync_regs(vcpu); enable_cpu_timer_accounting(vcpu); might_fault(); @@ -4393,7 +4400,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu) } disable_cpu_timer_accounting(vcpu); - store_regs(vcpu, kvm_run); + store_regs(vcpu); kvm_sigset_deactivate(vcpu); -- 2.17.1