linux-kernel - Re: [PATCH 0/3] arm64/boot: Forbid the use of BSS symbols in startup code

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Message-ID: <aBySLQ/MLhiXRqEl@e129823.arm.com>
Date: Thu, 8 May 2025 12:14:53 +0100
From: Yeoreum Yun <yeoreum.yun@....com>
To: Ard Biesheuvel <ardb+git@...gle.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	will@...nel.org, catalin.marinas@....com, mark.rutland@....com,
	Ard Biesheuvel <ardb@...nel.org>
Subject: Re: [PATCH 0/3] arm64/boot: Forbid the use of BSS symbols in startup
 code

Hi Ard,

> From: Ard Biesheuvel <ardb@...nel.org>
>
> Move any variables accessed or assigned by the startup code out of BSS,
> and into .data, so that we can forbid the use of BSS variables
> altogether, by ASSERT()'ing in the linker script that each symbol made
> available to the startup code lives before __bss_start in the linker
> map.
>
> Cc: Yeoreum Yun <yeoreum.yun@....com>

Thanks for ccing me and with the your fix it looks good to me.
When you send the patch with fix, I'll test it.

Thanks.

--
Sincerely,
Yeoreum Yun