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| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2022-04-19 09:05:09 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2022-05-27 12:34:43 +0200 |
| commit | 5f3da8c08508df82823566c32f753071c8ad36af (patch) | |
| tree | b2f63ac85502f74ba1f9774c22f5b90292d1947c /scripts | |
| parent | 7e284070abe53d448517b80493863595af4ab5f0 (diff) | |
| download | linux-5f3da8c08508df82823566c32f753071c8ad36af.tar.gz linux-5f3da8c08508df82823566c32f753071c8ad36af.tar.bz2 linux-5f3da8c08508df82823566c32f753071c8ad36af.zip | |
objtool: Add CONFIG_HAVE_UACCESS_VALIDATION
Allow an arch specify that it has objtool uaccess validation with
CONFIG_HAVE_UACCESS_VALIDATION. For now, doing so unconditionally
selects CONFIG_OBJTOOL.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/d393d5e2fe73aec6e8e41d5c24f4b6fe8583f2d8.1650384225.git.jpoimboe@redhat.com
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/Makefile.build | 2 | ||||
| -rwxr-xr-x | scripts/link-vmlinux.sh | 4 |
2 files changed, 4 insertions, 2 deletions
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 06400504150b..6a663b27b286 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -218,7 +218,7 @@ objtool_args = \ $(if $(CONFIG_SLS), --sls) \ $(if $(CONFIG_STACK_VALIDATION), --stackval) \ $(if $(CONFIG_HAVE_STATIC_CALL_INLINE), --static-call) \ - --uaccess \ + $(if $(CONFIG_HAVE_UACCESS_VALIDATION), --uaccess) \ $(if $(linked-object), --link) \ $(if $(part-of-module), --module) \ $(if $(CONFIG_GCOV_KERNEL), --no-unreachable) diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh index a7f6196c7e41..fd578c380919 100755 --- a/scripts/link-vmlinux.sh +++ b/scripts/link-vmlinux.sh @@ -134,7 +134,9 @@ objtool_link() objtoolopt="${objtoolopt} --static-call" fi - objtoolopt="${objtoolopt} --uaccess" + if is_enabled CONFIG_HAVE_UACCESS_VALIDATION; then + objtoolopt="${objtoolopt} --uaccess" + fi fi if is_enabled CONFIG_NOINSTR_VALIDATION; then |