Message ID | 20190305181602.9051-13-dgilbert@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 66C9B14DE for <patchwork-qemu-devel@patchwork.kernel.org>; Tue, 5 Mar 2019 18:25:19 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 538DD2C8F3 for <patchwork-qemu-devel@patchwork.kernel.org>; Tue, 5 Mar 2019 18:25:19 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 473772C929; Tue, 5 Mar 2019 18:25:19 +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=-2.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, T_HK_NAME_DR autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id DC6112C8F3 for <patchwork-qemu-devel@patchwork.kernel.org>; Tue, 5 Mar 2019 18:25:18 +0000 (UTC) Received: from localhost ([127.0.0.1]:47393 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org>) id 1h1Ekf-0008F0-UX for patchwork-qemu-devel@patchwork.kernel.org; Tue, 05 Mar 2019 13:25:17 -0500 Received: from eggs.gnu.org ([209.51.188.92]:49967) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <dgilbert@redhat.com>) id 1h1EcG-0001Em-7Q for qemu-devel@nongnu.org; Tue, 05 Mar 2019 13:16:38 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <dgilbert@redhat.com>) id 1h1EcF-0001yQ-7L for qemu-devel@nongnu.org; Tue, 05 Mar 2019 13:16:36 -0500 Received: from mx1.redhat.com ([209.132.183.28]:36352) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <dgilbert@redhat.com>) id 1h1EcE-0001wy-LM for qemu-devel@nongnu.org; Tue, 05 Mar 2019 13:16:34 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id A7DED3082E72; Tue, 5 Mar 2019 18:16:33 +0000 (UTC) Received: from dgilbert-t580.localhost (ovpn-117-124.ams2.redhat.com [10.36.117.124]) by smtp.corp.redhat.com (Postfix) with ESMTP id 252C11001DC5; Tue, 5 Mar 2019 18:16:31 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com> To: qemu-devel@nongnu.org, quintela@redhat.com, peterx@redhat.com, marcel.apfelbaum@gmail.com, wei.w.wang@intel.com, yury-kotov@yandex-team.ru, chen.zhang@intel.com Date: Tue, 5 Mar 2019 18:15:53 +0000 Message-Id: <20190305181602.9051-13-dgilbert@redhat.com> In-Reply-To: <20190305181602.9051-1-dgilbert@redhat.com> References: <20190305181602.9051-1-dgilbert@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.46]); Tue, 05 Mar 2019 18:16:33 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PULL 12/21] bitmap: fix bitmap_count_one X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> X-Virus-Scanned: ClamAV using ClamSMTP |
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[PULL,01/21] migration: Fix cancel state
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diff --git a/include/qemu/bitmap.h b/include/qemu/bitmap.h index 509eeddece..679f1bdce4 100644 --- a/include/qemu/bitmap.h +++ b/include/qemu/bitmap.h @@ -221,6 +221,10 @@ static inline int bitmap_intersects(const unsigned long *src1, static inline long bitmap_count_one(const unsigned long *bitmap, long nbits) { + if (unlikely(!nbits)) { + return 0; + } + if (small_nbits(nbits)) { return ctpopl(*bitmap & BITMAP_LAST_WORD_MASK(nbits)); } else {