From nobody Mon Feb 9 15:08:16 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1563969536; cv=none; d=zoho.com; s=zohoarc; b=h0mWi9dQH1JMHvGtHWXY3+JjQAFE/B7pR75tkWkwyRcXLov7On46+nnE3UOwhG9KuandrJsmg4wi0h2lTmv+k8lwAtCBF4OPXkNArk/XPB8HUptLOhEXi3wJbdOyrTnNf4dQbzVCQApxs2TIWjLrbpZWKpEK5UfOXlq13xWokI8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1563969536; h=Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=pgsbViiK+QIeQpLSACY5KUKud3zFc8ZjrtqJXzyC24E=; b=g6GcaZ2DH+rrdRB/YlnAVI2O3fLTVDOiZ6qcVEdQ/mnramL0JDbVmNnfe4luT8iCqyNejDMpbfgsKV/zhuJ3nfS1l8ysRRX+Zb8ievdFSXdjkZ6aLutcTN7btX65pgLtRtE2Mxlt4BlQAPI3UPcK02sTXj5SIDyq+eChFmDDjOY= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1563969536126775.4928850254461; Wed, 24 Jul 2019 04:58:56 -0700 (PDT) Received: from localhost ([::1]:50724 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqFv4-0006gX-Eo for importer@patchew.org; Wed, 24 Jul 2019 07:58:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36572) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hqFuf-0005TP-DU for qemu-devel@nongnu.org; Wed, 24 Jul 2019 07:58:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hqFue-0004bf-ED for qemu-devel@nongnu.org; Wed, 24 Jul 2019 07:58:29 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40490) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hqFue-0004bF-92 for qemu-devel@nongnu.org; Wed, 24 Jul 2019 07:58:28 -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 856BE307D945; Wed, 24 Jul 2019 11:58:27 +0000 (UTC) Received: from dgilbert-t580.localhost (ovpn-117-166.ams2.redhat.com [10.36.117.166]) by smtp.corp.redhat.com (Postfix) with ESMTP id AB146600D1; Wed, 24 Jul 2019 11:58:26 +0000 (UTC) From: "Dr. David Alan Gilbert (git)" To: qemu-devel@nongnu.org, pbonzini@redhat.com, pavel.dovgaluk@ispras.ru Date: Wed, 24 Jul 2019 12:58:20 +0100 Message-Id: <20190724115823.4199-2-dgilbert@redhat.com> In-Reply-To: <20190724115823.4199-1-dgilbert@redhat.com> References: <20190724115823.4199-1-dgilbert@redhat.com> MIME-Version: 1.0 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 [10.5.110.48]); Wed, 24 Jul 2019 11:58:27 +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] [for 4.2 PATCH v2 1/4] mc146818rtc: Remove reset notifiers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: "Dr. David Alan Gilbert" The reset notifiers are unreliable and recalculating the offsets after boot causes problems with migration in cases where explicit base times are set on the destination. Signed-off-by: Dr. David Alan Gilbert --- hw/timer/mc146818rtc.c | 19 ------------------- 1 file changed, 19 deletions(-) diff --git a/hw/timer/mc146818rtc.c b/hw/timer/mc146818rtc.c index ce4550b6f2..352ff9d395 100644 --- a/hw/timer/mc146818rtc.c +++ b/hw/timer/mc146818rtc.c @@ -92,7 +92,6 @@ typedef struct RTCState { uint32_t irq_coalesced; uint32_t period; QEMUTimer *coalesced_timer; - Notifier clock_reset_notifier; LostTickPolicy lost_tick_policy; Notifier suspend_notifier; QLIST_ENTRY(RTCState) link; @@ -885,20 +884,6 @@ static const VMStateDescription vmstate_rtc =3D { } }; =20 -static void rtc_notify_clock_reset(Notifier *notifier, void *data) -{ - RTCState *s =3D container_of(notifier, RTCState, clock_reset_notifier); - int64_t now =3D *(int64_t *)data; - - rtc_set_date_from_host(ISA_DEVICE(s)); - periodic_timer_update(s, now, 0); - check_update_timer(s); - - if (s->lost_tick_policy =3D=3D LOST_TICK_POLICY_SLEW) { - rtc_coalesced_timer_update(s); - } -} - /* set CMOS shutdown status register (index 0xF) as S3_resume(0xFE) BIOS will read it and start S3 resume at POST Entry */ static void rtc_notify_suspend(Notifier *notifier, void *data) @@ -984,10 +969,6 @@ static void rtc_realizefn(DeviceState *dev, Error **er= rp) s->update_timer =3D timer_new_ns(rtc_clock, rtc_update_timer, s); check_update_timer(s); =20 - s->clock_reset_notifier.notify =3D rtc_notify_clock_reset; - qemu_clock_register_reset_notifier(rtc_clock, - &s->clock_reset_notifier); - s->suspend_notifier.notify =3D rtc_notify_suspend; qemu_register_suspend_notifier(&s->suspend_notifier); =20 --=20 2.21.0