From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi1-f194.google.com ([209.85.167.194]:36978 "EHLO mail-oi1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726410AbgEKPZ6 (ORCPT ); Mon, 11 May 2020 11:25:58 -0400 MIME-Version: 1.0 References: <20200510075510.987823-1-hch@lst.de> <20200511151356.GB28634@lst.de> In-Reply-To: <20200511151356.GB28634@lst.de> From: Geert Uytterhoeven Date: Mon, 11 May 2020 17:25:45 +0200 Message-ID: Subject: Re: sort out the flush_icache_range mess Content-Type: text/plain; charset="UTF-8" Sender: linux-arch-owner@vger.kernel.org List-ID: To: Christoph Hellwig Cc: Andrew Morton , Arnd Bergmann , Roman Zippel , Linux-Arch , "open list:TENSILICA XTENSA PORT (xtensa)" , Michal Simek , Jessica Yu , "linux-ia64@vger.kernel.org" , linux-c6x-dev@linux-c6x.org, Linux-sh list , "open list:QUALCOMM HEXAGON..." , the arch/x86 maintainers , linux-um , Linux Kernel Mailing List , "open list:BROADCOM NVRAM DRIVER" , Linux MM , linux-m68k , Openrisc , alpha , sparclinux , Linux FS Devel , linux-riscv@lists.infradead.org, linuxppc-dev , Linux ARM Message-ID: <20200511152545.KK-X_LPsi_HlhJZlrm05jq_MAxRO4iTdVYinucD7-BM@z> Hi Christoph, On Mon, May 11, 2020 at 5:14 PM Christoph Hellwig wrote: > On Mon, May 11, 2020 at 09:46:17AM +0200, Geert Uytterhoeven wrote: > > On Sun, May 10, 2020 at 9:55 AM Christoph Hellwig wrote: > > > none of which really are used by a typical MMU enabled kernel, as a.out can > > > only be build for alpha and m68k to start with. > > > > Quoting myself: > > "I think it's safe to assume no one still runs a.out binaries on m68k." > > http://lore.kernel.org/r/CAMuHMdW+m0Q+j3rsQdMXnrEPm+XB5Y2AQrxW5sD1mZAKgmEqoA@mail.gmail.com > > Do you want to drop the: > > select HAVE_AOUT if MMU > > for m68k then? If that helps to reduce maintenance, it's fine for me. That leaves alpha as the sole user? > Note that we'll still need flush_icache_user_range for m68k with mmu, > as it also allows binfmt_flat for mmu configs. Understood. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds