linux-kernel - Re: [PATCH] arm64: Change the location of DISCARDS

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Date:   Fri, 6 Nov 2020 09:07:38 +0000
From:   Will Deacon <will@...nel.org>
To:     tangyouling <tangyouling@...ngson.cn>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-riscv@...ts.infradead.org, ardb@...nel.org
Subject: Re: [PATCH] arm64: Change the location of DISCARDS

On Fri, Nov 06, 2020 at 09:06:42AM +0800, tangyouling wrote:
> In the include/asm-generic/vmlinux.lds.h:978, the description is as follows:
> DISCARDS must be the last of output section definitions so that such archs
> put those in earlier section definitions.

Sure, I see that text, but I don't get why it matters. It would be nice to
have some rationale as to what could go wrong if they aren't at the end,
so we can improve that comment and avoid the inevitable regression in the
future when things get shuffled around.

Will