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Torvalds , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org References: <20190523074924.19659-1-hch@lst.de> <20190523074924.19659-4-hch@lst.de> <20190619072837.GA6858@lst.de> <20190620060354.GA20279@lst.de> From: Alexey Kardashevskiy Openpgp: preference=signencrypt Autocrypt: addr=aik@ozlabs.ru; keydata= mQINBE+rT0sBEADFEI2UtPRsLLvnRf+tI9nA8T91+jDK3NLkqV+2DKHkTGPP5qzDZpRSH6mD EePO1JqpVuIow/wGud9xaPA5uvuVgRS1q7RU8otD+7VLDFzPRiRE4Jfr2CW89Ox6BF+q5ZPV /pS4v4G9eOrw1v09lEKHB9WtiBVhhxKK1LnUjPEH3ifkOkgW7jFfoYgTdtB3XaXVgYnNPDFo PTBYsJy+wr89XfyHr2Ev7BB3Xaf7qICXdBF8MEVY8t/UFsesg4wFWOuzCfqxFmKEaPDZlTuR tfLAeVpslNfWCi5ybPlowLx6KJqOsI9R2a9o4qRXWGP7IwiMRAC3iiPyk9cknt8ee6EUIxI6 t847eFaVKI/6WcxhszI0R6Cj+N4y+1rHfkGWYWupCiHwj9DjILW9iEAncVgQmkNPpUsZECLT WQzMuVSxjuXW4nJ6f4OFHqL2dU//qR+BM/eJ0TT3OnfLcPqfucGxubhT7n/CXUxEy+mvWwnm s9p4uqVpTfEuzQ0/bE6t7dZdPBua7eYox1AQnk8JQDwC3Rn9kZq2O7u5KuJP5MfludMmQevm 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pEbIGgW5LRPLuFlOPWHmIS/sdXDrllPc29aX2P7zdD/ivHABslHmt7vN3QY+hG0xgsCO1JG5 pLORF2N5XpM95zxkZqvYfC5tS/qhKyMcn1kC0fcRySVVeR3tUkU8/caCqxOqeMe2B6yTiU1P aNDq25qYFLeYxg67D/4w/P6BvNxNxk8hx6oQ10TOlnmeWp1q0cuutccblU3ryRFLDJSngTEu ZgnOt5dUFuOZxmMkqXGPHP1iOb+YDznHmC0FYZFG2KAc9pO0WuO7uT70lL6larTQrEneTDxQ CMQLP3qAJ/2aBH6SzHIQ7sfbsxy/63jAiHiT3cOaxAKsWkoV2HQpnmPOJ9u02TPjYmdpeIfa X2tXyeBixa3i/6dWJ4nIp3vGQicQkut1YBwR7dJq67/FCV3Mlj94jI0myHT5PIrCS2S8LtWX ikTJSxWUKmh7OP5mrqhwNe0ezgGiWxxvyNwThOHc5JvpzJLd32VDFilbxgu4Hhnf6LcgZJ2c Zd44XWqUu7FzVOYaSgIvTP0hNrBYm/E6M7yrLbs3JY74fGzPWGRbBUHTZXQEqQnZglXaVB5V ZhSFtHopZnBSCUSNDbB+QGy4B/E++Bb02IBTGl/JxmOwG+kZUnymsPvTtnNIeTLHxN/H/ae0 c7E5M+/NpslPCmYnDjs5qg0/3ihh6XuOGggZQOqrYPC3PnsNs3NxirwOkVPQgO6mXxpuifvJ DG9EMkK8IBXnLulqVk54kf7fE0jT/d8RTtJIA92GzsgdK2rpT1MBKKVffjRFGwN7nQVOzi4T XrB5p+6ML7Bd84xOEGsj/vdaXmz1esuH7BOZAGEZfLRCHJ0GVCSssg== Message-ID: <309781b5-108f-c219-2cda-49179dca6b13@ozlabs.ru> Date: Thu, 20 Jun 2019 16:20:08 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 MIME-Version: 1.0 In-Reply-To: <20190620060354.GA20279@lst.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 20/06/2019 16:03, Christoph Hellwig wrote: > Hi Linus, > > this goes back to the discussion at last years kernel summit, where > we had the discussion on removing code never used by any in-kernel > user an no prospects of one. The IBM folks are unfortunately still > dragging their feet on the powerpc side. Can we revise this discussion? > > The use case here is a IBM specific bus for which they only have an > out of tree driver that their partner doesn't want to submit for mainline, > but keep insisting on keeping the code around (which is also built > uncondŃ–tionally for the platform). I personally keep insisting on correct commit logs, i.e. not calling working code dead and providing actual reasons for the change. Thanks, > > I hope we had settled that argument back then, but it seems like Big > Blue insists they are special. > > On Thu, Jun 20, 2019 at 11:45:42AM +1000, Alexey Kardashevskiy wrote: >> >> >> On 19/06/2019 17:28, Christoph Hellwig wrote: >>> On Wed, Jun 19, 2019 at 10:34:54AM +1000, Alexey Kardashevskiy wrote: >>>> >>>> >>>> On 23/05/2019 17:49, Christoph Hellwig wrote: >>>>> None of these routines were ever used since they were added to the >>>>> kernel. >>>> >>>> >>>> It is still being used exactly in the way as it was explained before in >>>> previous respins. Thanks. >>> >>> Please point to the in-kernel user, because that is the only relevant >>> one. This is not just my opinion but we had a clear discussion on that >>> at least years kernel summit. >> >> >> There is no in-kernel user which still does not mean that the code is >> dead. If it is irrelevant - put this to the commit log instead of saying >> it is dead; also if there was a clear outcome from that discussion, then >> please point me to that, I do not get to attend these discussions. Thanks, -- Alexey