From patchwork Tue Oct 22 01:59:19 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Christopherson X-Patchwork-Id: 1180970 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=kvm-ppc-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=intel.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 46xxYc6lvJz9sQw for ; Tue, 22 Oct 2019 13:00:52 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387746AbfJVCAD (ORCPT ); Mon, 21 Oct 2019 22:00:03 -0400 Received: from mga14.intel.com ([192.55.52.115]:61609 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387717AbfJVCAC (ORCPT ); Mon, 21 Oct 2019 22:00:02 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Oct 2019 19:00:00 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,325,1566889200"; d="scan'208";a="196293912" Received: from sjchrist-coffee.jf.intel.com ([10.54.74.41]) by fmsmga008.fm.intel.com with ESMTP; 21 Oct 2019 19:00:00 -0700 From: Sean Christopherson To: Marc Zyngier , James Hogan , Paul Mackerras , Christian Borntraeger , Janosch Frank , Paolo Bonzini , =?utf-8?b?UmFkaW0gS3LEjW3DocWZ?= Cc: James Morse , Julien Thierry , Suzuki K Poulose , David Hildenbrand , Cornelia Huck , Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, linux-mips@vger.kernel.org, kvm-ppc@vger.kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 39/45] KVM: MIPS: Move all vcpu init code into kvm_arch_vcpu_create() Date: Mon, 21 Oct 2019 18:59:19 -0700 Message-Id: <20191022015925.31916-40-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 Sender: kvm-ppc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm-ppc@vger.kernel.org Fold init() into create() now that the two are called back-to-back by common KVM code (kvm_vcpu_init() calls kvm_arch_vcpu_init() as its last action, and kvm_vm_ioctl_create_vcpu() calls kvm_arch_vcpu_create() immediately thereafter). Rinse and repeat for kvm_arch_vcpu_uninit() and kvm_arch_vcpu_destroy(). This paves the way for removing kvm_arch_vcpu_{un}init() entirely. No functional change intended. Signed-off-by: Sean Christopherson --- arch/mips/kvm/mips.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 06366e2415a6..879a7cbd5b54 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -294,6 +294,14 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) kvm_debug("kvm @ %p: create cpu %d at %p\n", vcpu->kvm, vcpu->vcpu_id, vcpu); + err = kvm_mips_callbacks->vcpu_init(vcpu); + if (err) + return err; + + hrtimer_init(&vcpu->arch.comparecount_timer, CLOCK_MONOTONIC, + HRTIMER_MODE_REL); + vcpu->arch.comparecount_timer.function = kvm_mips_comparecount_wakeup; + /* * Allocate space for host mode exception handlers that handle * guest mode exits @@ -307,7 +315,7 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) if (!gebase) { err = -ENOMEM; - goto out; + goto out_uninit_vcpu; } kvm_debug("Allocated %d bytes for KVM Exception Handlers @ %p\n", ALIGN(size, PAGE_SIZE), gebase); @@ -397,7 +405,8 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu) kfree(vcpu->arch.kseg0_commpage); out_free_gebase: kfree(gebase); -out: +out_uninit_vcpu: + kvm_mips_callbacks->vcpu_uninit(vcpu); return err; } @@ -410,6 +419,8 @@ void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu) kvm_mmu_free_memory_caches(vcpu); kfree(vcpu->arch.guest_ebase); kfree(vcpu->arch.kseg0_commpage); + + kvm_mips_callbacks->vcpu_uninit(vcpu); } int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, @@ -1221,21 +1232,12 @@ static enum hrtimer_restart kvm_mips_comparecount_wakeup(struct hrtimer *timer) int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu) { - int err; - - err = kvm_mips_callbacks->vcpu_init(vcpu); - if (err) - return err; - - hrtimer_init(&vcpu->arch.comparecount_timer, CLOCK_MONOTONIC, - HRTIMER_MODE_REL); - vcpu->arch.comparecount_timer.function = kvm_mips_comparecount_wakeup; return 0; } void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu) { - kvm_mips_callbacks->vcpu_uninit(vcpu); + } int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,