diff options
| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2022-04-18 19:50:33 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-04-22 13:32:02 +0300 |
| commit | 7dce62041ac34b613a5ed1bd937117e492e06dc8 (patch) | |
| tree | 8c68d74e7cb605887ec35b63415235d5ab9464cf /scripts | |
| parent | 99c0beb547a3e0ec3a63edeba0960c6ddf2226b0 (diff) | |
| download | linux-7dce62041ac34b613a5ed1bd937117e492e06dc8.tar.xz | |
objtool: Make stack validation optional
Make stack validation an explicit cmdline option so that individual
objtool features can be enabled individually by other arches.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Link: https://lkml.kernel.org/r/52da143699574d756e65ca4c9d4acaffe9b0fe5f.1650300597.git.jpoimboe@redhat.com
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makefile.build | 1 | ||||
| -rwxr-xr-x | scripts/link-vmlinux.sh | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 116c7272b41c..d5e15ae29156 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -232,6 +232,7 @@ objtool_args = \ $(if $(CONFIG_UNWINDER_ORC), --orc) \ $(if $(CONFIG_RETPOLINE), --retpoline) \ $(if $(CONFIG_SLS), --sls) \ + $(if $(CONFIG_STACK_VALIDATION), --stackval) \ $(if $(CONFIG_X86_SMAP), --uaccess) \ $(if $(part-of-module), --module) \ $(if $(CONFIG_FRAME_POINTER),, --no-fp) \ diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index f6db79b11573..0140bfa32c0c 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -126,6 +126,10 @@ objtool_link() objtoolopt="${objtoolopt} --orc" fi + if is_enabled CONFIG_STACK_VALIDATION; then + objtoolopt="${objtoolopt} --stackval" + fi + objtoolopt="${objtoolopt} --lto" fi |