From patchwork Tue Apr 25 17:27:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 13223561 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 2A8B4C77B61 for ; Tue, 25 Apr 2023 17:27:54 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.526179.817764 (Exim 4.92) (envelope-from ) id 1prMS9-0000EU-C0; Tue, 25 Apr 2023 17:27:45 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 526179.817764; Tue, 25 Apr 2023 17:27:45 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1prMS9-0000EK-8O; Tue, 25 Apr 2023 17:27:45 +0000 Received: by outflank-mailman (input) for mailman id 526179; Tue, 25 Apr 2023 17:27:44 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1prMS8-0006fQ-2L for xen-devel@lists.xenproject.org; Tue, 25 Apr 2023 17:27:44 +0000 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 7c392ec3-e38e-11ed-b223-6b7b168915f2; Tue, 25 Apr 2023 19:27:43 +0200 (CEST) Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-170-F5m3ad6vPW6tX-c71MgQag-1; Tue, 25 Apr 2023 13:27:40 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.rdu2.redhat.com [10.11.54.7]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id BC32D87A9E0; Tue, 25 Apr 2023 17:27:38 +0000 (UTC) Received: from localhost (unknown [10.39.193.242]) by smtp.corp.redhat.com (Postfix) with ESMTP id 33E42141511D; Tue, 25 Apr 2023 17:27:38 +0000 (UTC) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 7c392ec3-e38e-11ed-b223-6b7b168915f2 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1682443662; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SGtAMiwxZ6UOXxi5QjVUlwj1Vpn4MSdaUDJYH4vesKw=; b=LqasbpwQ5qHA4V6xcQcprrq0AyVvPhlhtiwuEzN3T2ZaaHuGj52rWp1ywlMmRsmsjfWHVe ScmLVFEOy2NrwRkhV7dpl32MglgQlalCj4A+XuZeeBLEv1UGKGn1MqhYgeJk217gyOXz/5 q01/cUlg9kUJcce8epQToRj27m6X7w0= X-MC-Unique: F5m3ad6vPW6tX-c71MgQag-1 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Cc: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Juan Quintela , Julia Suvorova , Kevin Wolf , xen-devel@lists.xenproject.org, eesposit@redhat.com, Richard Henderson , Fam Zheng , "Michael S. Tsirkin" , Coiby Xu , David Woodhouse , Marcel Apfelbaum , Peter Lieven , Paul Durrant , Stefan Hajnoczi , "Richard W.M. Jones" , qemu-block@nongnu.org, Stefano Garzarella , Anthony Perard , Stefan Weil , Xie Yongji , Paolo Bonzini , Aarushi Mehta , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , Eduardo Habkost , Stefano Stabellini , Hanna Reitz , Ronnie Sahlberg , David Woodhouse Subject: [PATCH v4 08/20] hw/xen: do not use aio_set_fd_handler(is_external=true) in xen_xenstore Date: Tue, 25 Apr 2023 13:27:04 -0400 Message-Id: <20230425172716.1033562-9-stefanha@redhat.com> In-Reply-To: <20230425172716.1033562-1-stefanha@redhat.com> References: <20230425172716.1033562-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.7 There is no need to suspend activity between aio_disable_external() and aio_enable_external(), which is mainly used for the block layer's drain operation. This is part of ongoing work to remove the aio_disable_external() API. Reviewed-by: David Woodhouse Reviewed-by: Paul Durrant Signed-off-by: Stefan Hajnoczi --- hw/i386/kvm/xen_xenstore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/i386/kvm/xen_xenstore.c b/hw/i386/kvm/xen_xenstore.c index 900679af8a..6e81bc8791 100644 --- a/hw/i386/kvm/xen_xenstore.c +++ b/hw/i386/kvm/xen_xenstore.c @@ -133,7 +133,7 @@ static void xen_xenstore_realize(DeviceState *dev, Error **errp) error_setg(errp, "Xenstore evtchn port init failed"); return; } - aio_set_fd_handler(qemu_get_aio_context(), xen_be_evtchn_fd(s->eh), true, + aio_set_fd_handler(qemu_get_aio_context(), xen_be_evtchn_fd(s->eh), false, xen_xenstore_event, NULL, NULL, NULL, s); s->impl = xs_impl_create(xen_domid);