linux-kernel - Re: [PATCH 5.15 v2 0/5] Fix Build ID on arm64 if CONFIG

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Date:   Thu, 23 Feb 2023 12:04:12 -0600
From:   Tom Saeger <tom.saeger@...cle.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Sasha Levin <sashal@...nel.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
        Rich Felker <dalias@...c.org>,
        Masahiro Yamada <masahiroy@...nel.org>,
        Ard Biesheuvel <ardb@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Dennis Gilmore <dennis@...il.us>,
        Palmer Dabbelt <palmer@...osinc.com>,
        Arnd Bergmann <arnd@...db.de>,
        Andrew Morton <akpm@...ux-foundation.org>,
        stable@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
        Michael Ellerman <mpe@...erman.id.au>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Christoph Hellwig <hch@....de>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>
Subject: Re: [PATCH 5.15 v2 0/5] Fix Build ID on arm64 if CONFIG_MODVERSIONS=y

On Thu, Feb 23, 2023 at 10:55:39AM +0100, Greg Kroah-Hartman wrote:
> On Fri, Feb 10, 2023 at 01:18:39PM -0700, Tom Saeger wrote:
> > Build ID is missing for arm64 with CONFIG_MODVERSIONS=y using ld >= 2.36
> > on 5.4, 5.10, and 5.15
> > 
> > Backport BuildID fixes.
> 
> I do not understand why you are applying patches from 6.2 that "fix"
> something that is not in this kernel (or the older ones).  Please
> document that really well on your next set of submissions.

Build ID is missing for arm64 with CONFIG_MODVERSIONS=y using ld >= 2.36
That's it.

What is quirky is binutils 'ld'.
Where this can be fixed is the kernel linker script, which IS present.
Those are the patches.

> 
> I've taken the 6.1.y series only and dropped all the others.

All the others is where it's really broken.

> 
> thanks,
> 
> greg k-h