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From:   Guo Ren <guoren@kernel.org>
Date:   Fri, 25 Sep 2020 00:19:35 +0800
Message-ID: <CAJF2gTQ8ONde3GRhQgx2Nqvb5X20nTmW8jZEemZKhezRDzP3aQ@mail.gmail.com>
Subject: Re: [PATCH V2 1/3] riscv: Fixup static_obj() fail
To:     Andreas Schwab <schwab@linux-m68k.org>
Cc:     Palmer Dabbelt <palmerdabbelt@google.com>,
        Paul Walmsley <paul.walmsley@sifive.com>,
        Anup Patel <anup@brainfault.org>,
        Greentime Hu <greentime.hu@sifive.com>,
        Zong Li <zong.li@sifive.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Thomas Gleixner <tglx@linutronix.de>,
        Tycho Andersen <tycho@tycho.ws>,
        Nick Hu <nickhu@andestech.com>,
        linux-riscv <linux-riscv@lists.infradead.org>,
        Guo Ren <guoren@linux.alibaba.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        linux-csky@vger.kernel.org
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Precedence: bulk

How about this, revert the commit and don't free INIT_DATA_SECTION. I
think the solution is safe enough, but wast a little memory.

diff --git a/arch/riscv/kernel/vmlinux.lds.S b/arch/riscv/kernel/vmlinux.lds.S
index f3586e3..34d00d9 100644
--- a/arch/riscv/kernel/vmlinux.lds.S
+++ b/arch/riscv/kernel/vmlinux.lds.S
@@ -22,13 +22,11 @@ SECTIONS
        /* Beginning of code and text segment */
        . = LOAD_OFFSET;
        _start = .;
-       _stext = .;
        HEAD_TEXT_SECTION
        . = ALIGN(PAGE_SIZE);

        __init_begin = .;
        INIT_TEXT_SECTION(PAGE_SIZE)
-       INIT_DATA_SECTION(16)
        . = ALIGN(8);
        __soc_early_init_table : {
                __soc_early_init_table_start = .;
@@ -55,6 +53,7 @@ SECTIONS
        . = ALIGN(SECTION_ALIGN);
        .text : {
                _text = .;
+               _stext = .;
                TEXT_TEXT
                SCHED_TEXT
                CPUIDLE_TEXT
@@ -67,6 +66,8 @@ SECTIONS
                _etext = .;
        }

+       INIT_DATA_SECTION(16)
+
        /* Start of data section */
        _sdata = .;
        RO_DATA(SECTION_ALIGN)

On Thu, Sep 24, 2020 at 3:36 PM Andreas Schwab <schwab@linux-m68k.org> wrote:
>
> On Sep 14 2020, Aurelien Jarno wrote:
>
> > How should we proceed to get that fixed in time for 5.9? For the older
> > branches where it has been backported (so far 5.7 and 5.8), should we
> > just get that commit reverted instead?
>
> Can this please be resolved ASAP?
>
> Andreas.
>
> --
> Andreas Schwab, schwab@linux-m68k.org
> GPG Key fingerprint = 7578 EB47 D4E5 4D69 2510  2552 DF73 E780 A9DA AEC1
> "And now for something completely different."


-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/