linux-kernel - Re: [PATCH 06/11] s390/boot: vmlinux.lds.S: Handle '.rela' sections

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Message-ID: <CAFP8O3+uLO9a2n3NuQd9bhzRtpG4GvzoJyMuasGZuCrkBRqq_A@mail.gmail.com>
Date: Wed, 14 Feb 2024 13:32:09 -0800
From: Fangrui Song <maskray@...gle.com>
To: Heiko Carstens <hca@...ux.ibm.com>
Cc: Nathan Chancellor <nathan@...nel.org>, gor@...ux.ibm.com, agordeev@...ux.ibm.com, 
	borntraeger@...ux.ibm.com, svens@...ux.ibm.com, ndesaulniers@...gle.com, 
	linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org, 
	llvm@...ts.linux.dev, patches@...ts.linux.dev
Subject: Re: [PATCH 06/11] s390/boot: vmlinux.lds.S: Handle '.rela' sections

On Wed, Feb 14, 2024 at 4:18 AM Heiko Carstens <hca@...ux.ibm.com> wrote:
>
> On Mon, Feb 12, 2024 at 09:18:34PM -0800, Fangrui Song wrote:
> > >         ASSERT(SIZEOF(.plt) == 0, "Unexpected run-time procedure linkages detected!")
> > > +       .rela.dyn : {
> > > +               *(.rela.*) *(.rela_*)
> > > +       }
> > > +       ASSERT(SIZEOF(.rela.dyn) == 0, "Unexpected run-time relocations (.rela) detected!")
> ...
> > Commit 5354e84598f264793265cc99b4be2a2295826c86 ("x86/build: Add
> > asserts for unwanted sections")
> > specifies `*(.rela.*) *(.rela_*)` but it's not clear why `.rela_*` is
> > included. We only need .rela.* (see also ld.bfd --verbose)
> >
> > This patch LGTM with this changed.
>
> I'll keep it as it is, just to be consistent with x86.

Sent https://lore.kernel.org/all/20240214212929.3753766-1-maskray@google.com/
("[PATCH] x86/build: Simplify patterns for unwanted section")
to simplify the patterns in x86 vmlinux.lds.S:)


-- 
宋方睿