linux-kernel - [PATCH 0/6] objtool: More -ffunction-sections fixes

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Message-ID: <cover.1763669451.git.jpoimboe@kernel.org>
Date: Thu, 20 Nov 2025 12:14:15 -0800
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: x86@...nel.org
Cc: linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Jiri Slaby <jirislaby@...nel.org>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Hans de Goede <hansg@...nel.org>
Subject: [PATCH 0/6] objtool: More -ffunction-sections fixes

For tip/objtool/core.

- Patches 1-4: Rename functions

- Patches 5-6: Move the check out of objtool

Josh Poimboeuf (6):
  serial: icom: Fix namespace collision and startup() section placement
    with -ffunction-sections
  media: atomisp: gc2235: Fix namespace collision and startup() section
    placement with -ffunction-sections
  tty: amiserial: Fix namespace collision and startup() section
    placement with -ffunction-sections
  tty: synclink_gt: Fix namespace collision and startup() section
    placement with -ffunction-sections
  kbuild: Check for functions with ambiguous -ffunction-sections section
    names
  Revert "objtool: Warn on functions with ambiguous -ffunction-sections
    section names"

 .../media/atomisp/i2c/atomisp-gc2235.c        |  4 +--
 drivers/tty/amiserial.c                       | 14 ++++----
 drivers/tty/serial/icom.c                     |  8 ++---
 drivers/tty/synclink_gt.c                     | 20 +++++------
 include/asm-generic/vmlinux.lds.h             |  2 +-
 scripts/Makefile.vmlinux_o                    |  4 +++
 scripts/check-function-names.sh               | 25 ++++++++++++++
 tools/objtool/Documentation/objtool.txt       |  7 ----
 tools/objtool/check.c                         | 33 -------------------
 9 files changed, 53 insertions(+), 64 deletions(-)
 create mode 100755 scripts/check-function-names.sh

-- 
2.51.1