From patchwork Fri Apr 7 08:50:31 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Hildenbrand X-Patchwork-Id: 9669097 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 AA50B602A0 for ; Fri, 7 Apr 2017 08:51:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 98CBA285B7 for ; Fri, 7 Apr 2017 08:51:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8D9A4285CB; Fri, 7 Apr 2017 08:51:46 +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 35679285B7 for ; Fri, 7 Apr 2017 08:51:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756141AbdDGIvp (ORCPT ); Fri, 7 Apr 2017 04:51:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47940 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753288AbdDGIvQ (ORCPT ); Fri, 7 Apr 2017 04:51:16 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 338942E6042 for ; Fri, 7 Apr 2017 08:51:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 338942E6042 Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=david@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 338942E6042 Received: from t460s.redhat.com (ovpn-116-217.ams2.redhat.com [10.36.116.217]) by smtp.corp.redhat.com (Postfix) with ESMTP id A2963189CB; Fri, 7 Apr 2017 08:51:14 +0000 (UTC) From: David Hildenbrand To: kvm@vger.kernel.org Cc: Paolo Bonzini , rkrcmar@redhat.com, Peter Xu , david@redhat.com Subject: [PATCH v3 14/24] KVM: x86: remove all-vcpu request from kvm_ioapic_init() Date: Fri, 7 Apr 2017 10:50:31 +0200 Message-Id: <20170407085041.5257-15-david@redhat.com> In-Reply-To: <20170407085041.5257-1-david@redhat.com> References: <20170407085041.5257-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 07 Apr 2017 08:51:16 +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 6e1d8cb..3072cdf 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; }