From mboxrd@z Thu Jan 1 00:00:00 1970 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 6F933C433EF for ; Mon, 27 Dec 2021 12:43:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236723AbhL0Mnp (ORCPT ); Mon, 27 Dec 2021 07:43:45 -0500 Received: from out4-smtp.messagingengine.com ([66.111.4.28]:41177 "EHLO out4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233722AbhL0Mnp (ORCPT ); Mon, 27 Dec 2021 07:43:45 -0500 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 84BB95C02D5; Mon, 27 Dec 2021 07:43:44 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Mon, 27 Dec 2021 07:43:44 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kroah.com; h= date:from:to:cc:subject:message-id:references:mime-version :content-type:in-reply-to; s=fm2; bh=2ROSRJZXuATdJhCcuekJ7Amfp4Z tgQ53208KjF4wzZ4=; b=CfNrZA8Z1u28sb53lvtywE/tY4ntmJkA3hklkXe3a/4 5RJeWoWxfbr8xZs/l4AeDoxL3ZDoIm63OmMSwMUTVMWSa7gzm216F6R3sENhefVr abAUN/lbJOL1Vt9prXiMp0fgnbrJKZtE/JyVaB1/+T7dMspNBxaADnIxu31Cg6+u VJ50psLPNmJ42ZXSK412R5l35IbcQVdGNUlPdRTnztuw1D2NNPs9PefLOJps4/vK I5F1On6uKdLojg6Rrbbz8Ge+7oI95jhjUxrh0BLEnkd8iR0Z2pba9IdqvjvICcLE 7fY5HZUqra7eF/761WsdwkVw8FtbA3weMj0XcuR2Z9g== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; bh=2ROSRJ ZXuATdJhCcuekJ7Amfp4ZtgQ53208KjF4wzZ4=; b=emRGNylp20HrEcLvnbs8Mo lkWa5h4kgqElbuxsFvY2xAV6rYWBFt2hHgsG4FqV/SnoSp449MPly0mUz1PW7Klz Z1mFGSwf+YGJWobiYwEZvGgibtbjNk+nqlCROvys9M4LerMGY6pOYHYSWVpJ6FaJ gywFjaALabqwc6NFmLVt5lXpJ4zdnsubZ3pvXE+c6O9zMqUU5bvw+hryhdqBUZu0 ryVc25d/nqFuJh1Ak7QpU+Ni5Xp7qyv07C9NEzl8QuqXr1DCcIrkblz+l3iJSRQ9 FtyUQQ2M5Qh7pyNKB4s5gcoci6fNcsJXcw1vYEf4wg1uyvd0NeS3ornST6eHbtWA == X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvuddruddujedgfeelucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpefirhgvghcu mffjuceoghhrvghgsehkrhhorghhrdgtohhmqeenucggtffrrghtthgvrhhnpeevueehje fgfffgiedvudekvdektdelleelgefhleejieeugeegveeuuddukedvteenucevlhhushht vghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehgrhgvgheskhhrohgrhh drtghomh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 27 Dec 2021 07:43:43 -0500 (EST) Date: Mon, 27 Dec 2021 13:43:40 +0100 From: Greg KH To: Juergen Gross Cc: stable@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH] xen/blkfront: fix bug in backported patch Message-ID: References: <20211223105308.17077-1-jgross@suse.com> <9823fe0a-2db4-bc4b-2d7c-6363856322ff@suse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9823fe0a-2db4-bc4b-2d7c-6363856322ff@suse.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Thu, Dec 23, 2021 at 02:40:38PM +0100, Juergen Gross wrote: > On 23.12.21 11:57, Greg KH wrote: > > On Thu, Dec 23, 2021 at 11:53:08AM +0100, Juergen Gross wrote: > > > The backport of commit 8f5a695d99000fc ("xen/blkfront: don't take local > > > copy of a request from the ring page") to stable 4.4 kernel introduced > > > a bug when adding the needed blkif_ring_get_request() function, as > > > info->ring.req_prod_pvt was incremented twice now. > > > > > > Fix that be deleting the now superfluous increments after calling that > > > function. > > > > > > Signed-off-by: Juergen Gross > > > --- > > > drivers/block/xen-blkfront.c | 4 ---- > > > 1 file changed, 4 deletions(-) > > > > So this is only needed in 4.4.y? No other backports were incorrect? > > Yes. 4.4 only. Great, now queued up, thanks. greg k-h