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, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 42915CA9EB0 for ; Tue, 22 Oct 2019 02:00:15 +0000 (UTC) Received: from mm01.cs.columbia.edu (mm01.cs.columbia.edu [128.59.11.253]) by mail.kernel.org (Postfix) with ESMTP id 05E0B21928 for ; Tue, 22 Oct 2019 02:00:15 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 05E0B21928 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kvmarm-bounces@lists.cs.columbia.edu Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id B5D4D4AC3C; Mon, 21 Oct 2019 22:00:14 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id N+5+popEU0O4; Mon, 21 Oct 2019 22:00:12 -0400 (EDT) Received: from mm01.cs.columbia.edu (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 189F84AC2A; Mon, 21 Oct 2019 22:00:03 -0400 (EDT) Received: from localhost (localhost [127.0.0.1]) by mm01.cs.columbia.edu (Postfix) with ESMTP id 952DD4AC2F for ; Mon, 21 Oct 2019 22:00:01 -0400 (EDT) X-Virus-Scanned: at lists.cs.columbia.edu Received: from mm01.cs.columbia.edu ([127.0.0.1]) by localhost (mm01.cs.columbia.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bc3YkhvBVHiQ for ; Mon, 21 Oct 2019 22:00:00 -0400 (EDT) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by mm01.cs.columbia.edu (Postfix) with ESMTPS id DFEF44AC1E for ; Mon, 21 Oct 2019 21:59:51 -0400 (EDT) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Oct 2019 18:59:51 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,325,1566889200"; d="scan'208";a="196293855" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by fmsmga008.fm.intel.com with ESMTP; 21 Oct 2019 18:59:50 -0700 From: Sean Christopherson To: Marc Zyngier , James Hogan , Paul Mackerras , Christian Borntraeger , Janosch Frank , Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= Subject: [PATCH 26/45] KVM: s390: Invoke kvm_vcpu_init() before allocating sie_page Date: Mon, 21 Oct 2019 18:59:06 -0700 Message-Id: <20191022015925.31916-27-sean.j.christopherson@intel.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20191022015925.31916-1-sean.j.christopherson@intel.com> References: <20191022015925.31916-1-sean.j.christopherson@intel.com> MIME-Version: 1.0 Cc: kvm-ppc@vger.kernel.org, Wanpeng Li , kvm@vger.kernel.org, David Hildenbrand , Joerg Roedel , Cornelia Huck , linux-mips@vger.kernel.org, Sean Christopherson , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Vitaly Kuznetsov , kvmarm@lists.cs.columbia.edu, Jim Mattson X-BeenThere: kvmarm@lists.cs.columbia.edu X-Mailman-Version: 2.1.14 Precedence: list List-Id: Where KVM/ARM decisions are made List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: kvmarm-bounces@lists.cs.columbia.edu Sender: kvmarm-bounces@lists.cs.columbia.edu Now that s390's implementation of kvm_arch_vcpu_init() is empty, move the call to kvm_vcpu_init() above the allocation of the sie_page. This paves the way for moving vcpu allocation and initialization into common KVM code without any associated functional change. Signed-off-by: Sean Christopherson --- arch/s390/kvm/kvm-s390.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 43be136682bb..9289ed10561b 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -3030,10 +3030,16 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, if (!vcpu) goto out; + rc = kvm_vcpu_init(vcpu, kvm, id); + if (rc) + goto out_free_cpu; + + rc = -ENOMEM; + BUILD_BUG_ON(sizeof(struct sie_page) != 4096); sie_page = (struct sie_page *) get_zeroed_page(GFP_KERNEL); if (!sie_page) - goto out_free_cpu; + goto out_uninit_vcpu; vcpu->arch.sie_block = &sie_page->sie_block; vcpu->arch.sie_block->itdba = (unsigned long) &sie_page->itdb; @@ -3049,10 +3055,6 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, vcpu->arch.sie_block->gd |= GISA_FORMAT1; seqcount_init(&vcpu->arch.cputm_seqcount); - rc = kvm_vcpu_init(vcpu, kvm, id); - if (rc) - goto out_free_sie_block; - vcpu->arch.pfault_token = KVM_S390_PFAULT_TOKEN_INVALID; kvm_clear_async_pf_completion_queue(vcpu); vcpu->run->kvm_valid_regs = KVM_SYNC_PREFIX | @@ -3081,7 +3083,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, if (kvm_is_ucontrol(vcpu->kvm)) { rc = __kvm_ucontrol_vcpu_init(vcpu); if (rc) - goto out_uninit_vcpu; + goto out_free_sie_block; } VM_EVENT(kvm, 3, "create cpu %d at 0x%pK, sie block at 0x%pK", id, vcpu, @@ -3089,10 +3091,10 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, trace_kvm_s390_create_vcpu(id, vcpu, vcpu->arch.sie_block); return vcpu; -out_uninit_vcpu: - kvm_vcpu_uninit(vcpu); out_free_sie_block: free_page((unsigned long)(vcpu->arch.sie_block)); +out_uninit_vcpu: + kvm_vcpu_uninit(vcpu); out_free_cpu: kmem_cache_free(kvm_vcpu_cache, vcpu); out: -- 2.22.0 _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm