From patchwork Wed Sep 21 05:09:41 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Xu X-Patchwork-Id: 9342831 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 EDF836077A for ; Wed, 21 Sep 2016 05:09:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D21BF29E8C for ; Wed, 21 Sep 2016 05:09:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C6F8B29ECA; Wed, 21 Sep 2016 05:09:55 +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 8A53729E8C for ; Wed, 21 Sep 2016 05:09:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753564AbcIUFJw (ORCPT ); Wed, 21 Sep 2016 01:09:52 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33806 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752340AbcIUFJv (ORCPT ); Wed, 21 Sep 2016 01:09:51 -0400 Received: from int-mx13.intmail.prod.int.phx2.redhat.com (int-mx13.intmail.prod.int.phx2.redhat.com [10.5.11.26]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 34DFD90E4C for ; Wed, 21 Sep 2016 05:09:51 +0000 (UTC) Received: from pxdev.xzpeter.org.com (dhcp-14-105.nay.redhat.com [10.66.14.105]) by int-mx13.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u8L59kmE023161; Wed, 21 Sep 2016 01:09:49 -0400 From: Peter Xu To: kvm@vger.kernel.org Cc: drjones@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, peterx@redhat.com Subject: [kvm-unit-tests PATCH v2 1/2] x86: apic: eoi() for deadline timer isr Date: Wed, 21 Sep 2016 13:09:41 +0800 Message-Id: <1474434582-21431-2-git-send-email-peterx@redhat.com> In-Reply-To: <1474434582-21431-1-git-send-email-peterx@redhat.com> References: <1474434582-21431-1-git-send-email-peterx@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.26 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 21 Sep 2016 05:09:51 +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 Otherwise the next LVT timer interrupt will be dropped (though we still do not have a "next" yet, but that's not a reason for not eoi()ing). Signed-off-by: Peter Xu --- x86/apic.c | 1 + 1 file changed, 1 insertion(+) diff --git a/x86/apic.c b/x86/apic.c index 5fc83c6..3a30f0f 100644 --- a/x86/apic.c +++ b/x86/apic.c @@ -25,6 +25,7 @@ static int tdt_count; static void tsc_deadline_timer_isr(isr_regs_t *regs) { ++tdt_count; + eoi(); } static void __test_tsc_deadline_timer(void)