tree 2e5c1e4a8ad1c0d6619a30a476b76bc28de29cec
parent 28fe1d7bf89f8ed5be70b98a33932dbaf99345dd
author Sami Tolvanen <samitolvanen@google.com> 1587506923 -0700
committer Peter Zijlstra <peterz@infradead.org> 1589531713 +0200

objtool: optimize add_dead_ends for split sections

Instead of iterating through all instructions to find the last
instruction each time .rela.discard.(un)reachable points beyond the
section, use find_insn to locate the last instruction by looking at
the last bytes of the section instead.

Suggested-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20200421220843.188260-3-samitolvanen@google.com