From patchwork Mon Mar 27 08:36:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?b?SsO8cmdlbiBHcm/Dnw==?= X-Patchwork-Id: 13188769 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 C69A0C7619A for ; Mon, 27 Mar 2023 08:37:12 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.515067.797574 (Exim 4.92) (envelope-from ) id 1pgiLT-0006lq-RP; Mon, 27 Mar 2023 08:36:51 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 515067.797574; Mon, 27 Mar 2023 08:36:51 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1pgiLT-0006lj-OT; Mon, 27 Mar 2023 08:36:51 +0000 Received: by outflank-mailman (input) for mailman id 515067; Mon, 27 Mar 2023 08:36:51 +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 1pgiLT-0006ld-AY for xen-devel@lists.xenproject.org; Mon, 27 Mar 2023 08:36:51 +0000 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 842fdc77-cc7a-11ed-85db-49a42c6b2330; Mon, 27 Mar 2023 10:36:50 +0200 (CEST) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out1.suse.de (Postfix) with ESMTPS id 1ABE321AB2; Mon, 27 Mar 2023 08:36:49 +0000 (UTC) Received: from imap2.suse-dmz.suse.de (imap2.suse-dmz.suse.de [192.168.254.74]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap2.suse-dmz.suse.de (Postfix) with ESMTPS id B2EA313329; Mon, 27 Mar 2023 08:36:48 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap2.suse-dmz.suse.de with ESMTPSA id g+hAKqBVIWShSAAAMHmgww (envelope-from ); Mon, 27 Mar 2023 08:36:48 +0000 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: 842fdc77-cc7a-11ed-85db-49a42c6b2330 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1679906209; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=v6oIQCvPsK0b+etSaaLmHyST9of/SZHXfQgb0QAgenE=; b=Oi3uElNpMUuOMeDRymfgAwa5c2IqAibwS3mTpkTLizw999HdkXOS1GW5XUH67WRrnwYWOU nLAcy9zmDB1SV1j49URJEljBGckKUPgkvNJ7DHnQ4UkIdIFCMAfCoO/3Xl0gi6AjTx2bfZ UEV7dQkypnhgOwx26R9vDO7b/jyncC0= From: Juergen Gross To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Cc: Juergen Gross , Wei Liu , Paul Durrant , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , xen-devel@lists.xenproject.org, stable@vger.kernel.org Subject: [PATCH 0/2] xen/netback: fix issue introduced recently Date: Mon, 27 Mar 2023 10:36:44 +0200 Message-Id: <20230327083646.18690-1-jgross@suse.com> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 The fix for XSA-423 introduced a bug which resulted in loss of network connection in some configurations. The first patch is fixing the issue, while the second one is removing a test which isn't needed. Juergen Gross (2): xen/netback: don't do grant copy across page boundary xen/netback: remove not needed test in xenvif_tx_build_gops() drivers/net/xen-netback/common.h | 2 +- drivers/net/xen-netback/netback.c | 29 +++++++++++++++++++++++------ 2 files changed, 24 insertions(+), 7 deletions(-)