From nobody Fri Jan 2 16:46:57 2026 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DEFA3CD8CB5 for ; Tue, 10 Oct 2023 19:23:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343977AbjJJTXP (ORCPT ); Tue, 10 Oct 2023 15:23:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52298 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234372AbjJJTXA (ORCPT ); Tue, 10 Oct 2023 15:23:00 -0400 Received: from mx1.sberdevices.ru (mx2.sberdevices.ru [45.89.224.132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1D2BE124; Tue, 10 Oct 2023 12:22:48 -0700 (PDT) Received: from p-infra-ksmg-sc-msk02 (localhost [127.0.0.1]) by mx1.sberdevices.ru (Postfix) with ESMTP id 57943120002; Tue, 10 Oct 2023 22:22:45 +0300 (MSK) DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.sberdevices.ru 57943120002 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=salutedevices.com; s=mail; t=1696965765; bh=J/gSQvoC54wwOay2Fyo/U/lq9WCB0om5hPzpv13lVUQ=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:From; b=M2KLOTMRl9OpNGMsHlKLhvuBuovI1t0k4sNtM313Uzfeec9nS35vHCvNgRpr7KD5U /LHXPDtKD+KZKoQmTP+/rJA8tQbeFnqBAl6NsJBNRYqw20yCxJl9/Yq/Y55DaaSHCy 9kndkH//Hf7rjzu08OaCBdmE/itpDokVxGgb9R4XsYWkleA+yk+HfJekSNJwxL51H+ 1IJqurXIzobZOLelgn+X642uV9DynVSDLh23yCA06qJO+hNHLIC33Etw9HTsFJkQGb Kbx+1xWN7Qk6+TLx5MYx8YiHwjy8PtWCtgPGnEWIXYFhHNH4yu088r8R99bgHOlIFM DApqFxOSaUW+g== Received: from p-i-exch-sc-m01.sberdevices.ru (p-i-exch-sc-m01.sberdevices.ru [172.16.192.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.sberdevices.ru (Postfix) with ESMTPS; Tue, 10 Oct 2023 22:22:45 +0300 (MSK) Received: from localhost.localdomain (100.64.160.123) by p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Tue, 10 Oct 2023 22:22:44 +0300 From: Arseniy Krasnov To: Stefan Hajnoczi , Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , "Michael S. Tsirkin" , Jason Wang , Bobby Eshleman CC: , , , , , , Subject: [PATCH net-next v4 01/12] vsock: set EPOLLERR on non-empty error queue Date: Tue, 10 Oct 2023 22:15:13 +0300 Message-ID: <20231010191524.1694217-2-avkrasnov@salutedevices.com> X-Mailer: git-send-email 2.35.0 In-Reply-To: <20231010191524.1694217-1-avkrasnov@salutedevices.com> References: <20231010191524.1694217-1-avkrasnov@salutedevices.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [100.64.160.123] X-ClientProxiedBy: p-i-exch-sc-m02.sberdevices.ru (172.16.192.103) To p-i-exch-sc-m01.sberdevices.ru (172.16.192.107) X-KSMG-Rule-ID: 10 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Lua-Profiles: 180515 [Oct 10 2023] X-KSMG-AntiSpam-Version: 6.0.0.2 X-KSMG-AntiSpam-Envelope-From: avkrasnov@salutedevices.com X-KSMG-AntiSpam-Rate: 0 X-KSMG-AntiSpam-Status: not_detected X-KSMG-AntiSpam-Method: none X-KSMG-AntiSpam-Auth: dkim=none X-KSMG-AntiSpam-Info: LuaCore: 536 536 1ae19c7800f69da91432b5e67ed4a00b9ade0d03, {Tracking_from_domain_doesnt_match_to}, 100.64.160.123:7.1.2;d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;p-i-exch-sc-m01.sberdevices.ru:5.0.1,7.1.1;127.0.0.199:7.1.2;salutedevices.com:7.1.1, FromAlignment: s, ApMailHostAddress: 100.64.160.123 X-MS-Exchange-Organization-SCL: -1 X-KSMG-AntiSpam-Interceptor-Info: scan successful X-KSMG-AntiPhishing: Clean X-KSMG-LinksScanning: Clean X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 2.0.1.6960, bases: 2023/10/10 16:15:00 #22148151 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" If socket's error queue is not empty, EPOLLERR must be set. Otherwise, reader of error queue won't detect data in it using EPOLLERR bit. Currently for AF_VSOCK this is actual only with MSG_ZEROCOPY, as this feature is the only user of an error queue of the socket. Signed-off-by: Arseniy Krasnov Reviewed-by: Stefano Garzarella --- net/vmw_vsock/af_vsock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 013b65241b65..d841f4de33b0 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1030,7 +1030,7 @@ static __poll_t vsock_poll(struct file *file, struct = socket *sock, poll_wait(file, sk_sleep(sk), wait); mask =3D 0; =20 - if (sk->sk_err) + if (sk->sk_err || !skb_queue_empty_lockless(&sk->sk_error_queue)) /* Signify that there has been an error on this socket. */ mask |=3D EPOLLERR; =20 --=20 2.25.1