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Date:   Thu, 5 Oct 2023 08:57:26 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
Cc:     Robin Murphy <robin.murphy@arm.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Arnd Bergmann <arnd@arndb.de>, Icenowy Zheng <uwu@icenowy.me>,
        Jisheng Zhang <jszhang@kernel.org>,
        Drew Fustini <dfustini@baylibre.com>,
        Christoph Hellwig <hch@lst.de>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>,
        Robert Nelson <robertcnelson@gmail.com>,
        Ulf Hansson <ulf.hansson@linaro.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Guo Ren <guoren@kernel.org>, Fu Wei <wefu@redhat.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Conor Dooley <conor@kernel.org>,
        Jason Kridner <jkridner@beagleboard.org>,
        Xi Ruoyao <xry111@xry111.site>, Han Gao <gaohan@iscas.ac.cn>,
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        =?iso-8859-1?Q?Bj=F6rn_T=F6pel?= <bjorn@kernel.org>,
        Alexandre Ghiti <alexghiti@rivosinc.com>,
        Linux-MM <linux-mm@kvack.org>,
        Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Subject: Re: [PATCH 0/6] RISC-V: Add eMMC support for TH1520 boards
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No.  The global pool is a last resort only for nommu and other very
limited setups.  It should never be enable in a general-purpose kernel,
and if your hardware requires it is a failed designed and should not
be supported in a general purpose kernel build.