From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7EC854E1BC; Thu, 28 Mar 2024 06:10:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711606254; cv=none; b=ojub5DJZJqIaVvaqHDn/2tQmpBePYX28NiP3mgFRYecolV0e1wbjiE1Q8+iNV/p9SRvEpkafG1VBkbUJpBUoQ+qV+Q8dVhXdQABcmOxeebr78EP1SQoRHy0X0+uibjxiq0t0nNgsQydYciSsImiXbf9FESeX4KqFfIqWkKCsI6A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711606254; c=relaxed/simple; bh=umDbQEcpoP0dGXgoOt2PjfPa/DQ5ztgRy2l15prAHk8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=b3/XI72u9EtV38BbWbeZB4mHJOW2BxowLRzEsel9CCValHpqgxfnkC3QmALjVGPME1SJHsVUk1DTCuqvFIL5wJHSQOYbcBJ6pV2n8KYif5pzNh8nVfiy7MuJq73m3UflwXsFRvQAR2eb1K5bX/f5jHr901HYvQNVcCl+u9dVjY4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Ac4Lg+vZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Ac4Lg+vZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 54EE9C43394; Thu, 28 Mar 2024 06:10:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1711606254; bh=umDbQEcpoP0dGXgoOt2PjfPa/DQ5ztgRy2l15prAHk8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=Ac4Lg+vZk1YEPMybYUSF2dtT94TTS8XcW4i82mmXE+SCTo4wIoHDDxB8QqdobTqKi kl1+XvalKzYG2k3Brh66rabg4n2dQYbUf8SFbzROsR/n1LYttJ0JMk/IdU+RmoYDxh Rq69SM7aYcEjBT6Cpz94jYTFpTpYENo/oZx4l8Zk= Date: Thu, 28 Mar 2024 07:10:50 +0100 From: Greg KH To: Paul Menzel Cc: stable@vger.kernel.org, Jean Delvare , Wolfram Sang , linux-i2c@vger.kernel.org Subject: Re: Please backport commit 13e3a512a290 (i2c: smbus: Support up to 8 SPD EEPROMs) Message-ID: <2024032814-colony-observant-4e42@gregkh> References: <3bea11ec-32fe-4288-bc03-8c3ba63979f6@molgen.mpg.de> <2024032713-atom-saxophone-0c15@gregkh> <4fa53db0-358d-4e30-bcfa-745cab71fa72@molgen.mpg.de> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <4fa53db0-358d-4e30-bcfa-745cab71fa72@molgen.mpg.de> On Wed, Mar 27, 2024 at 09:35:38PM +0100, Paul Menzel wrote: > > [Cc: +I2C folks] > > > Dear Greg, > > > Am 27.03.24 um 17:52 schrieb Greg KH: > > On Wed, Mar 27, 2024 at 04:13:26PM +0100, Paul Menzel wrote: > > > > Please apply commit 13e3a512a290 (i2c: smbus: Support up to 8 SPD EEPROMs) > > > [1] to the stable series to get rid of a warning and to support more SPDs. > > > That commit is present since v6.8-rc1. > > > > How far back? > > I’d say 6.1. > > > But isn't this a new feature, why is it needed in older kernels? > > It's not a fix for a regression. > decode-dimm does not work on systems with more than four SPD EEPROMs, so I’d > say it’s a fix. But it's never worked on such systems so it's not a regression fix, right? Anyway, I'll defer to the i2c maintainers as to what they want to have happen here, as they did not originally tag this commit for stable inclusion. thanks, greg k-h