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([2001:df0:0:200c:1c9b:7d7f:b312:1fae]) by smtp.gmail.com with ESMTPSA id ga1sm981249pjb.43.2021.06.28.13.13.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 28 Jun 2021 13:13:40 -0700 (PDT) Subject: Re: [PATCH 0/9] Refactoring exit To: Geert Uytterhoeven Cc: Al Viro , "Eric W. Biederman" , Linus Torvalds , linux-arch , Jens Axboe , Oleg Nesterov , Linux Kernel Mailing List , Richard Henderson , Ivan Kokshaysky , Matt Turner , alpha , linux-m68k , Arnd Bergmann , Tejun Heo , Kees Cook References: <87a6njf0ia.fsf@disp2133> <87tulpbp19.fsf@disp2133> <87zgvgabw1.fsf@disp2133> <875yy3850g.fsf_-_@disp2133> <6e283d24-7121-ae7c-d5ad-558f85858a09@gmail.com> <7ad6c3a9-b983-46a5-fc95-f961b636d3fe@gmail.com> From: Michael Schmitz Message-ID: Date: Tue, 29 Jun 2021 08:13:32 +1200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Geert, On 29/06/21 7:17 am, Geert Uytterhoeven wrote: >>> The warning is printed when using filesys-ELF-2.0.x-1400K-2.gz, >>> which is a very old ramdisk from right after the m68k a.out to ELF >>> transition: >>> >>> warning: process `update' used the obsolete bdflush system call >>> Fix your initscripts? >>> >>> I still boot it, once in a while. >> OK; you take the cake. That ramdisk came to mind when I thought about >> where I'd last seen bdflush, but I've not used it in ages (not sure 14 >> MB are enough for that). > Of course it will work on your 14 MiB machine! It fits on a floppy, _after_ > decompression. It was used by people to install Linux on the hard disks > of their beefy m68k machines, after they had set up the family Christmas > tree, in December 1996. Been there, done that. Wrote the HOWTO for ext2 filesystem byte-swapping. > I also have a slightly larger one, built from OpenWRT when I did my first > experiments on that. Unlike filesys-ELF-2.0.x-1400K-2.gz, it does open > a shell on the serial console, so it is more useful to me. > >> The question then is - will bdflush fail gracefully, or spin retrying >> the syscall? > Will add to my todo list... > BTW, you can boot this ramdisk on ARAnyM, too. True. I can't find that ramdisk image anywhere - if you can point me to some archive, I'll give that a try. Cheers,     Michael > > Gr{oetje,eeting}s, > > Geert >