From patchwork Wed Jul 15 09:47:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Beulich X-Patchwork-Id: 11664667 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7493A722 for ; Wed, 15 Jul 2020 09:47:55 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5BB7A2067D for ; Wed, 15 Jul 2020 09:47:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5BB7A2067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jve0V-0003Om-9P; Wed, 15 Jul 2020 09:47:19 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jve0T-0003Oh-ST for xen-devel@lists.xenproject.org; Wed, 15 Jul 2020 09:47:17 +0000 X-Inumbo-ID: 2b154376-c680-11ea-93a9-12813bfff9fa Received: from mx2.suse.de (unknown [195.135.220.15]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 2b154376-c680-11ea-93a9-12813bfff9fa; Wed, 15 Jul 2020 09:47:17 +0000 (UTC) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id BEBEDAF0B; Wed, 15 Jul 2020 09:47:19 +0000 (UTC) Subject: [PATCH v2 1/2] x86: restore pv_rtc_handler() invocation From: Jan Beulich To: "xen-devel@lists.xenproject.org" References: <416ac9b1-93d1-81a2-be19-d58d509fdfec@suse.com> Message-ID: <59f26856-d23d-bb69-0403-39e77acbf85c@suse.com> Date: Wed, 15 Jul 2020 11:47:17 +0200 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <416ac9b1-93d1-81a2-be19-d58d509fdfec@suse.com> Content-Language: en-US X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrew Cooper , =?utf-8?q?Roger_Pau_Monn?= =?utf-8?q?=C3=A9?= , Wei Liu , Paul Durrant Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" This was lost when making the logic accessible to PVH Dom0. Fixes: 835d8d69d96a ("x86/rtc: provide mediated access to RTC for PVH dom0") Signed-off-by: Jan Beulich --- a/xen/arch/x86/time.c +++ b/xen/arch/x86/time.c @@ -1160,6 +1160,10 @@ void rtc_guest_write(unsigned int port, case RTC_PORT(1): if ( !ioports_access_permitted(currd, RTC_PORT(0), RTC_PORT(1)) ) break; + + if ( pv_rtc_handler ) + pv_rtc_handler(currd->arch.cmos_idx & 0x7f, data); + spin_lock_irqsave(&rtc_lock, flags); outb(currd->arch.cmos_idx & 0x7f, RTC_PORT(0)); outb(data, RTC_PORT(1));