From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Xu 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> References: <1474434582-21431-1-git-send-email-peterx@redhat.com> Cc: drjones@redhat.com, pbonzini@redhat.com, rkrcmar@redhat.com, peterx@redhat.com To: kvm@vger.kernel.org Return-path: 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) In-Reply-To: <1474434582-21431-1-git-send-email-peterx@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 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) -- 2.7.4