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kbuild: Ignore __this_module in gen_autoksyms.sh 

Module object files can contain an undefined reference to __this_module,
which isn't resolved until we link the final .ko. The kernel doesn't
export this symbol, so ignore it in gen_autoksyms.sh.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Steve Muckle <smuckle@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Ramji Jiyani <ramjiyani@google.com>
This commit is contained in:
Sami Tolvanen 2022-06-16 19:57:59 +00:00 committed by Masahiro Yamada
parent 53632ba87d
commit ff13976676
1 changed files with 3 additions and 0 deletions
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3
scripts/gen_autoksyms.sh
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@ -56,4 +56,7 @@ EOT
# point addresses. # point addresses.
sed -e 's/^\.//' | sed -e 's/^\.//' |
sort -u | sort -u |
# Ignore __this_module. It's not an exported symbol, and will be resolved
# when the final .ko's are linked.
grep -v '^__this_module$' |
sed -e 's/\(.*\)/#define __KSYM_\1 1/' >> "$output_file" sed -e 's/\(.*\)/#define __KSYM_\1 1/' >> "$output_file"