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@xxxxxxxxxx> > Signed-off-by: Han Shen <shenhan@xxxxxxxxxx> > Signed-off-by: Rong Xu <xur@xxxxxxxxxx> > Suggested-by: Sriraman Tallam <tmsriram@xxxxxxxxxx> > Suggested-by: Krzysztof Pszeniczny <kpszeniczny@xxxxxxxxxx> > Tested-by: Yonghong Song <yonghong.song@xxxxxxxxx> > Tested-by: Yabin Cui <yabinc@xxxxxxxxxx> > Tested-by: Nathan Chancellor <nathan@xxxxxxxxxx> > Reviewed-by: Kees Cook <kees@xxxxxxxxxx> 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