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s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=orQ+4oeim1agMb7a/aKi5krLg5kOLB9yN7mOdlcpYn0=; b=Oow4arQQD4EaMEclzmD4A0JHv2++BCIVuA7dMBOedDaEHTUYHTticGr0GfJxufufpM tBFa39fRppfkDflbTX8K3BYSrijWR79TvTwBd1rDPsYmMvp23rhXeBDgBySMmj3D6jfC fjI00e7wMa4CPON2/WdXgREe8jjj49DQd6rR8d7uiEoGwzlQfdcsOSj+kUxxVQux5Q8B 7r0OMTNYM19B+cNC2kLgtZSeBdlMZixx9eZesdjtZ5xY/NVb+KkMc/qzmll4uCULfMqo rAFQ4j9YCr+BPPg/clbLm/nmaWIFAWqLOItgaik+ZoZoejngflWpbjWo/2Aed0Te+Xec OOKA== X-Gm-Message-State: AOAM533g93y+smk1Al7VEyh/mEYk033CBjT98pEHCp5h788xy5SuRPeQ TX7RHfxP6Bin2vY8rnqw0+ZkhDyGqRO+NpQDeDGyIw== X-Google-Smtp-Source: ABdhPJyTEYlLZg8ZhZ74ap2P4jQrQtoMW5ueygFkVsXfdK3EWFlK4P7u8CioBENAN0u+lj4ASCqu7OfzLbX8IExnk3I= X-Received: by 2002:a2e:bc14:: with SMTP id b20mr14397645ljf.200.1627990479861; Tue, 03 Aug 2021 04:34:39 -0700 (PDT) MIME-Version: 1.0 References: <20210517145719.110966-1-linus.walleij@linaro.org> <20210517145719.110966-4-linus.walleij@linaro.org> <20210730202259.dbifugsvry5vjdr7@earthen> <20210803104932.GM22278@shell.armlinux.org.uk> In-Reply-To: <20210803104932.GM22278@shell.armlinux.org.uk> From: Linus Walleij Date: Tue, 3 Aug 2021 13:34:28 +0200 Message-ID: Subject: Re: [PATCH 3/3] ARM: Map the lowmem and kernel separately To: "Russell King (Oracle)" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210803_043442_698208_DF96BC75 X-CRM114-Status: GOOD ( 12.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nishanth Menon , Grygorii Strashko , Geert Uytterhoeven , Arnd Bergmann , Tero Kristo , santosh.shilimkar@oracle.com, Florian Fainelli , Santosh Shilimkar , Ard Biesheuvel , Linux ARM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Aug 3, 2021 at 12:49 PM Russell King (Oracle) wrote: > It looks to me like Linus missed the code in arch/arm/mm/pv-fixup-asm.S > and as the kernel is no longer mapped in the lowmem mapping, this > likely writes a load of entries in the page tables that are random... Oops. I'll do my homework. I'll read this code and see if I can fix this. Yours, Linus Walleij _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel