linux-kernel - Re: [PATCH 00/11] s390: Support linking with ld.lld

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Date: Wed, 14 Feb 2024 14:43:28 +0100
From: Heiko Carstens <hca@...ux.ibm.com>
To: Nathan Chancellor <nathan@...nel.org>
Cc: gor@...ux.ibm.com, agordeev@...ux.ibm.com, borntraeger@...ux.ibm.com,
        svens@...ux.ibm.com, maskray@...gle.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 00/11] s390: Support linking with ld.lld

On Wed, Feb 07, 2024 at 05:14:52PM -0700, Nathan Chancellor wrote:
> Hi all,
> 
> This series allows the s390 kernel to be linked with ld.lld (support for
> s390 is under review at [1]). This implicitly depends on [2], which was
> created and sent before it was realized that this series was necessary.
..
> Nathan Chancellor (11):
>       s390: boot: Add support for CONFIG_LD_ORPHAN_WARN
>       s390: vmlinux.lds.S: Handle '.data.rel' sections explicitly
>       s390: vmlinux.lds.S: Explicitly handle '.got' and '.plt' sections
>       s390: vmlinux.lds.S: Discard unnecessary sections
>       s390/boot: vmlinux.lds.S: Handle '.init.text'
>       s390/boot: vmlinux.lds.S: Handle '.rela' sections
>       s390/boot: vmlinux.lds.S: Handle DWARF debug sections
>       s390/boot: vmlinux.lds.S: Handle ELF required sections
>       s390/boot: vmlinux.lds.S: Handle commonly discarded sections
>       s390: Select CONFIG_ARCH_WANT_LD_ORPHAN_WARN
>       s390: Link vmlinux with '-z notext'
> 
>  arch/s390/Kconfig              |  1 +
>  arch/s390/Makefile             |  2 +-
>  arch/s390/boot/Makefile        |  5 +++--
>  arch/s390/boot/vmlinux.lds.S   | 28 ++++++++++++++++++++++++++++
>  arch/s390/kernel/vmlinux.lds.S | 28 +++++++++++++++++++++++++++-
>  5 files changed, 60 insertions(+), 4 deletions(-)

Now available at:
https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git/log/?h=features

And should be in linux-next soon.

Thanks a lot! :)