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 CF944C433F5 for ; Thu, 23 Dec 2021 10:58:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347794AbhLWK6C (ORCPT ); Thu, 23 Dec 2021 05:58:02 -0500 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:46283 "EHLO out3-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239583AbhLWK6A (ORCPT ); Thu, 23 Dec 2021 05:58:00 -0500 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id 58E445C00D4; Thu, 23 Dec 2021 05:58:00 -0500 (EST) Received: from mailfrontend2 ([10.202.2.163]) by compute1.internal (MEProxy); Thu, 23 Dec 2021 05:58:00 -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=c2cKU4iDz/KBtiSAoFHWcks94Il IxkFmUpR3FhYa7fc=; b=Muefv8oouQe8WKtDzvdiHDbl9GqaIpQNqutZACZyJ51 GqmCcqZ/HSrUs+xouyweaozjjwwCB2u72/7O039cyG995I7yV8zHkUceU9fcpX0u 0zzz8y2kbX3W8T2Q4Xgs+K5sQBlM9TleUzD0+KeKI7a7qBg79XEGr3dkY1uQVeHS tFEDEEc0qB4MoiujbWs6tyYg1FmBIX9Ker+DgzB72I5u0BBq4xP0KZoaRnewaJWz ZFSeGn7V5tN9e9JCBdvkglA2S/NUwLHPf+Xjhg6XYX9iXap9Gnc2tZ+UW0Z+IOkF /heHu25jRbTJv7g0AW+IWi7Pm3IwSPh73vypLHNg2gA== 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=c2cKU4 iDz/KBtiSAoFHWcks94IlIxkFmUpR3FhYa7fc=; b=VuWQ6SCkt0hLWZnbgtLzjK kC6K9ohdrExWZXDFED+pwIuB1PJfhXmvZ9F0GiBzM2ULmP5m9MwuJdcZSWpLCOtl tdCEn5nG0BOTSxolOfh47yCUlaQ//nxHvTXBXtG8ZlAmchU47ETQsf2gngYm7rZq RRjENk+BPwTFlYSW+jauRFehymMtN72eXLu7/RCfxe+Jk5TVkNUanAcMESp5tzo9 52t91SKZn0TDV5ZZvw6JHlxhZDuC4+b5vNW6T+fu6H0qGRDdHzfum9xh3puagXg/ VqC7ifEN6fNU+Pjd1MEWkbZP/AQEDoqWsUk7q5JDloeuhvLBqkPIZLcjbnvXM+8A == X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvuddruddtkedgvddvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepfffhvffukfhfgggtuggjsehttdertddttddvnecuhfhrohhmpefirhgvghcu mffjuceoghhrvghgsehkrhhorghhrdgtohhmqeenucggtffrrghtthgvrhhnpeevueehje fgfffgiedvudekvdektdelleelgefhleejieeugeegveeuuddukedvteenucevlhhushht vghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpehgrhgvgheskhhrohgrhh drtghomh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Thu, 23 Dec 2021 05:57:59 -0500 (EST) Date: Thu, 23 Dec 2021 11:57:57 +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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211223105308.17077-1-jgross@suse.com> Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 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? thanks, greg k-h