* Re: [PATCH v7 3/7] Adjust symbol ordering in text output section [openrisc boot failure]
[not found] ` <20241102175115.1769468-4-xur@google.com>
@ 2024-12-01 14:31 ` Guenter Roeck
2024-12-02 6:39 ` Masahiro Yamada
0 siblings, 1 reply; 2+ messages in thread
From: Guenter Roeck @ 2024-12-01 14:31 UTC (permalink / raw)
To: Rong Xu
Cc: Alice Ryhl, Andrew Morton, Arnd Bergmann, Bill Wendling,
Borislav Petkov, Breno Leitao, Brian Gerst, Dave Hansen, David Li,
Han Shen, Heiko Carstens, H. Peter Anvin, Ingo Molnar, Jann Horn,
Jonathan Corbet, Josh Poimboeuf, Juergen Gross, Justin Stitt,
Kees Cook, Masahiro Yamada, Mike Rapoport (IBM),
Nathan Chancellor, Nick Desaulniers, Nicolas Schier,
Paul E. McKenney, Peter Zijlstra, Sami Tolvanen, Thomas Gleixner,
Wei Yang, workflows, Miguel Ojeda, Maksim Panchenko,
David S. Miller, Andreas Larsson, Yonghong Song, Yabin Cui,
Krzysztof Pszeniczny, Sriraman Tallam, Stephane Eranian, x86,
linux-arch, sparclinux, linux-doc, linux-kbuild, linux-kernel,
llvm, Jonas Bonn, Stefan Kristiansson, Stafford Horne,
linux-openrisc
Hi,
On Sat, Nov 02, 2024 at 10:51:10AM -0700, Rong Xu wrote:
> When the -ffunction-sections compiler option is enabled, each function
> is placed in a separate section named .text.function_name rather than
> putting all functions in a single .text section.
>
...
>
> Co-developed-by: Han Shen <shenhan@google.com>
> Signed-off-by: Han Shen <shenhan@google.com>
> Signed-off-by: Rong Xu <xur@google.com>
> Suggested-by: Sriraman Tallam <tmsriram@google.com>
> Suggested-by: Krzysztof Pszeniczny <kpszeniczny@google.com>
> Tested-by: Yonghong Song <yonghong.song@linux.dev>
> Tested-by: Yabin Cui <yabinc@google.com>
> Tested-by: Nathan Chancellor <nathan@kernel.org>
> Reviewed-by: Kees Cook <kees@kernel.org>
With this patch in the tree, the openrisck qemu emulation using
or1ksim_defconfig fails to boot. There is no log output, even with
earlycon enabled.
Bisect log attached.
Guenter
---
# bad: [bcc8eda6d34934d80b96adb8dc4ff5dfc632a53a] Merge tag 'turbostat-2024.11.30' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
# good: [2ba9f676d0a2e408aef14d679984c26373bf37b7] Merge tag 'drm-next-2024-11-29' of https://gitlab.freedesktop.org/drm/kernel
git bisect start 'HEAD' '2ba9f676d0a2'
# good: [831c1926ee728c3e747255f7c0f434762e8e863d] Merge tag 'uml-for-linus-6.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
git bisect good 831c1926ee728c3e747255f7c0f434762e8e863d
# bad: [6a34dfa15d6edf7e78b8118d862d2db0889cf669] Merge tag 'kbuild-v6.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
git bisect bad 6a34dfa15d6edf7e78b8118d862d2db0889cf669
# bad: [e397a603e49cc7c7c113fad9f55a09637f290c34] kbuild: switch from lz4c to lz4 for compression
git bisect bad e397a603e49cc7c7c113fad9f55a09637f290c34
# good: [d6a91e28d11902e6cd5715633ed6f9b6df75de32] kconfig: qconf: remove unnecessary mode check in ConfigItem::updateMenu()
git bisect good d6a91e28d11902e6cd5715633ed6f9b6df75de32
# bad: [0afd73c5f5c606b0f8f8ff036e4f5d6c4b788d02] kbuild: replace two $(abs_objtree) with $(CURDIR) in top Makefile
git bisect bad 0afd73c5f5c606b0f8f8ff036e4f5d6c4b788d02
# bad: [db0b2991ae1aac5ca985ec6fd8ff9bd9b2126c9b] vmlinux.lds.h: Add markers for text_unlikely and text_hot sections
git bisect bad db0b2991ae1aac5ca985ec6fd8ff9bd9b2126c9b
# good: [315ad8780a129e82e2c5c65ee6e970d91a577acb] kbuild: Add AutoFDO support for Clang build
git bisect good 315ad8780a129e82e2c5c65ee6e970d91a577acb
# good: [52892ed6b03a14b961c1df783ed05763758abc73] MIPS: Place __kernel_entry at the beginning of text section
git bisect good 52892ed6b03a14b961c1df783ed05763758abc73
# bad: [0043ecea2399ffc8bfd99ed9dbbe766e7c79293c] vmlinux.lds.h: Adjust symbol ordering in text output section
git bisect bad 0043ecea2399ffc8bfd99ed9dbbe766e7c79293c
# first bad commit: [0043ecea2399ffc8bfd99ed9dbbe766e7c79293c] vmlinux.lds.h: Adjust symbol ordering in text output section
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