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| author | Peter Zijlstra <peterz@infradead.org> | 2020-03-12 10:17:38 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2020-03-25 18:28:30 +0100 |
| commit | cdb3d057a17d56363a831e486ea39e4c389a6cf9 (patch) | |
| tree | 87c68d4378ff885e3efaba3cbad947f100c1c071 /kernel/locking/mutex-debug.c | |
| parent | 513b5ca6b5fbeb766999fb1a4bc9a55c9fb7c9ca (diff) | |
| download | linux-cdb3d057a17d56363a831e486ea39e4c389a6cf9.tar.bz2 | |
objtool: Optimize find_symbol_by_name()
Perf showed that find_symbol_by_name() takes time; add a symbol name
hash.
This shaves another second off of objtool on vmlinux.o runtime, down
to 15 seconds.
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/20200324160924.676865656@infradead.org
Diffstat (limited to 'kernel/locking/mutex-debug.c')
0 files changed, 0 insertions, 0 deletions