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[76.210.143.223]) by smtp.gmail.com with ESMTPSA id k8sm14831808pfa.142.2021.06.30.19.59.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Jun 2021 19:59:09 -0700 (PDT) Date: Wed, 30 Jun 2021 19:59:09 -0700 (PDT) X-Google-Original-Date: Wed, 30 Jun 2021 19:58:58 PDT (-0700) Subject: Re: [PATCH v5 1/3] riscv: Move kernel mapping outside of linear mapping In-Reply-To: <87czskonsn.fsf@igel.home> CC: linux@roeck-us.net, alex@ghiti.fr, corbet@lwn.net, Paul Walmsley , aou@eecs.berkeley.edu, Arnd Bergmann , aryabinin@virtuozzo.com, glider@google.com, dvyukov@google.com, linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, linux-arch@vger.kernel.org, linux-mm@kvack.org From: Palmer Dabbelt To: schwab@linux-m68k.org Message-ID: Mime-Version: 1.0 (MHng) Content-Type: text/plain; charset=utf-8; format=flowed Authentication-Results: imf17.hostedemail.com; dkim=pass header.d=dabbelt-com.20150623.gappssmtp.com header.s=20150623 header.b=JipM+EK8; dmarc=none; spf=pass (imf17.hostedemail.com: domain of palmer@dabbelt.com designates 209.85.210.182 as permitted sender) smtp.mailfrom=palmer@dabbelt.com X-Rspamd-Server: rspam02 X-Stat-Signature: 4n4mip1i7a4gr3tmi7iiiwyrcmxx9mt1 X-Rspamd-Queue-Id: 44853F00012B X-HE-Tag: 1625108351-707421 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.004254, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, 17 Jun 2021 02:14:48 PDT (-0700), schwab@linux-m68k.org wrote: > On Jun 16 2021, Palmer Dabbelt wrote: > >> This seems a long way off from defconfig. It's entirly possible I'm >> missing something, but at least CONFIG_SOC_VIRT is jumping out as >> something that's disabled in the SUSE config but enabled upstream. > > None of the SOC configs are really needed, they are just convenience. > They can even be harmful, if they force a config to y if m is actually > wanted. Which is what happens with SOC_VIRT, which forces > RTC_DRV_GOLDFISH to y. Ya, in retrospect the SOC configs were really just a bad idea. I think=20 we've talked about removing them before as they break stuff, I just=20 haven't gotten around to doing it.