From patchwork Thu Mar 23 14:13:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 9641181 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 69329601E9 for ; Thu, 23 Mar 2017 14:14:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5AC7B284D5 for ; Thu, 23 Mar 2017 14:14:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4FDCB284F5; Thu, 23 Mar 2017 14:14:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 14E52284D5 for ; Thu, 23 Mar 2017 14:14:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934762AbdCWOOs (ORCPT ); Thu, 23 Mar 2017 10:14:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47006 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965048AbdCWOOr (ORCPT ); Thu, 23 Mar 2017 10:14:47 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 101E4883A6 for ; Thu, 23 Mar 2017 14:14:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 101E4883A6 Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx02.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=david@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 101E4883A6 Received: from t460s.redhat.com (ovpn-116-209.ams2.redhat.com [10.36.116.209]) by smtp.corp.redhat.com (Postfix) with ESMTP id 80BD37C8BD; Thu, 23 Mar 2017 14:14:35 +0000 (UTC) From: David Hildenbrand To: kvm@vger.kernel.org Cc: Paolo Bonzini , rkrcmar@redhat.com, Peter Xu , david@redhat.com Subject: [PATCH v2 14/24] KVM: x86: remove all-vcpu request from kvm_ioapic_init() Date: Thu, 23 Mar 2017 15:13:47 +0100 Message-Id: <20170323141357.12144-15-david@redhat.com> In-Reply-To: <20170323141357.12144-1-david@redhat.com> References: <20170323141357.12144-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Thu, 23 Mar 2017 14:14:37 +0000 (UTC) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP kvm_ioapic_init() is guaranteed to be called without any created VCPUs, so doing an all-vcpu request results in a NOP. Signed-off-by: David Hildenbrand --- arch/x86/kvm/ioapic.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c index 1a30320..0eb7847 100644 --- a/arch/x86/kvm/ioapic.c +++ b/arch/x86/kvm/ioapic.c @@ -622,10 +622,8 @@ int kvm_ioapic_init(struct kvm *kvm) if (ret < 0) { kvm->arch.vioapic = NULL; kfree(ioapic); - return ret; } - kvm_vcpu_request_scan_ioapic(kvm); return ret; }