linux-kernel - Re: [PATCH v2] kexec_file: Drop weak attribute from arch_kexec_apply_relocations[

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Date:   Sun, 29 May 2022 08:56:37 +0200
From:   Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
To:     "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        Li Zhengyu <lizhengyu3@...wei.com>,
        Palmer Dabbelt <palmer@...osinc.com>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Eric Biederman <ebiederm@...ssion.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        kexec@...ts.infradead.org, linux-riscv@...ts.infradead.org,
        kernel@...gutronix.de, Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH v2] kexec_file: Drop weak attribute from
 arch_kexec_apply_relocations[_add]

Hello,

on current linux-next ARCH=riscv allmodconfig breaks with:

  CC      arch/riscv/kernel/elf_kexec.o
arch/riscv/kernel/elf_kexec.c:345:5: error: redefinition of ‘arch_kexec_apply_relocations_add’
  345 | int arch_kexec_apply_relocations_add(struct purgatory_info *pi,
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from arch/riscv/kernel/elf_kexec.c:16:
include/linux/kexec.h:236:1: note: previous definition of ‘arch_kexec_apply_relocations_add’ with type ‘int(struct purgatory_info *, Elf64_Shdr *, const Elf64_Shdr *, const Elf64_Shdr *)’ {aka ‘int(struct purgatory_info *, struct elf64_shdr *, const struct elf64_shdr *, const struct elf64_shdr *)’}
  236 | arch_kexec_apply_relocations_add(struct purgatory_info *pi, Elf_Shdr *section,
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

(I think) because there is a conflict between the two commits:

233c1e6c319c kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add]
838b3e28488f RISC-V: Load purgatory in kexec_file

And so next is broken starting from
164a9037b1d33f28ba27671c16ec1c23d4a11acf which merges the riscv tree.

Best regards
Uwe

-- 
Pengutronix e.K.                           | Uwe Kleine-König            |
Industrial Linux Solutions                 | https://www.pengutronix.de/ |

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