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objtool: Don't autodetect vmlinux.o

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With LTO, we run objtool on vmlinux.o, but don't want noinstr
validation. This change requires --vmlinux to be passed to objtool
explicitly.

Suggested-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
Sami Tolvanen 2020-07-17 12:04:27 -07:00 • committed by Kees Cook
parent 18a14575ae
commit 0e731dbc18
2 changed files with 2 additions and 6 deletions
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2
scripts/link-vmlinux.sh
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@ -106,7 +106,7 @@ objtool_link()
local objtoolopt;
if [ -n "${CONFIG_VMLINUX_VALIDATION}" ]; then
objtoolopt="check"
objtoolopt="check --vmlinux"
if [ -z "${CONFIG_FRAME_POINTER}" ]; then
objtoolopt="${objtoolopt} --no-fp"
fi