linux-kernel - Re: [PATCH] firmware: qcom: scm: fix non-SMP build

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Message-ID: <CAK8P3a1CjfRmJsc0p2P2ja1DB6QFsuwnkBdXk1CfdzGjGpK-3A@mail.gmail.com>
Date:   Wed, 27 Oct 2021 10:49:44 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     SoC Team <soc@...nel.org>, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Stephen Boyd <swboyd@...omium.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] firmware: qcom: scm: fix non-SMP build

On Wed, Oct 27, 2021 at 9:24 AM Arnd Bergmann <arnd@...nel.org> wrote:
>
> From: Arnd Bergmann <arnd@...db.de>
>
> A check was added for non-arm platforms, but the same code
> is still broken on Arm non-SMP:
>
> ERROR: modpost: "__cpu_logical_map" [drivers/firmware/qcom-scm.ko] undefined!
>
> Fixes: c50031f03dfe ("firmware: qcom: scm: Don't break compile test on non-ARM platforms")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Nevermind, this is not sufficient, as the symbol is not actually
exported, so this still
fails on SMP configurations, both 32 and 64 bit.

Any ideas for a better fix, or should I revert 55845f46df03
("firmware: qcom: scm:
Add support for MC boot address API") for the merge window?

       Arnd