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([2001:a61:2482:101:a081:4793:30bf:f3d5]) by smtp.gmail.com with ESMTPSA id s24sm2488066wmj.28.2020.05.06.03.47.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 May 2020 03:47:33 -0700 (PDT) Cc: mtk.manpages@gmail.com, Dave Martin , linux-arch@vger.kernel.org, linux-man@vger.kernel.org, Catalin Marinas , Vincenzo Frascino , linux-arm-kernel@lists.infradead.org Subject: Re: RFC: Adding arch-specific user ABI documentation in linux-man To: Russell King - ARM Linux admin , Will Deacon References: <20200504153214.GH30377@arm.com> <20200505104454.GC19710@willie-the-truck> <20200505124351.GF1551@shell.armlinux.org.uk> From: "Michael Kerrisk (man-pages)" Message-ID: Date: Wed, 6 May 2020 12:47:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <20200505124351.GF1551@shell.armlinux.org.uk> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-man-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org On 5/5/20 2:43 PM, Russell King - ARM Linux admin wrote: > On Tue, May 05, 2020 at 11:44:55AM +0100, Will Deacon wrote: >> Michael has been nagging me on and off about that for, what, 10 years now? >> I would therefore be very much in favour of having our ptrace extensions >> documented! >> >> We could even put this stuff under Documentation/arm64/man/ if it's deemed >> too CPU-specific for the man-pages project, but my preference would still >> be for it to be hosted there alongside all the other man pages. > > Stuffing random things into the kernel tree is painful for some people. Yes, and too often not easily noticeable for user-space programmers. > > For example, if you cross-build your kernel, then the stuff in the > tools/ subdirectory is totally useless (I think everything except > perf) because you can't build it. > > Let's stop making the mistake of constantly shoving stuff into the > kernel source tree. Agrred. Thanks, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/