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| author | Peter Zijlstra <peterz@infradead.org> | 2020-03-12 11:32:10 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-03-25 20:28:29 +0300 |
| commit | ae358196fac3a0b4d2a7d47a4f401e3421027b03 (patch) | |
| tree | 183b84e1a566c504bffc71cb65afea6270d96135 /tools/objtool/Build | |
| parent | 530389968739883a61192767e1c215653ba4ba2b (diff) | |
| download | linux-ae358196fac3a0b4d2a7d47a4f401e3421027b03.tar.xz | |
objtool: Optimize find_section_by_name()
In order to avoid yet another linear search of (20k) sections, add a
name based hash.
This reduces objtool runtime on vmlinux.o by some 10s to around 35s.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20200324160924.440174280@infradead.org
Diffstat (limited to 'tools/objtool/Build')
0 files changed, 0 insertions, 0 deletions