Re: [PATCH 0/2] Fix CFI failures with GCOV_PROFILE_ALL

From: Nick Desaulniers
Date: Fri Jun 23 2023 - 13:47:48 EST


On Thu, Jun 22, 2023 at 5:11 PM Sami Tolvanen <samitolvanen@xxxxxxxxxx> wrote:
>
> Hi folks,
>
> The following two patches fix CFI failures with GCOV_PROFILE_ALL,
> where the compiler injects indirectly called functions to object
> files that otherwise contain no executable code, and are not
> processed by objtool or don't have CFI enabled. This results in
> missing or incorrect type hashes during boot and when modules are
> loaded.
>
> Sami Tolvanen (2):
> kbuild: Fix CFI failures with GCOV
> kbuild: Disable GCOV for *.mod.o
>
> init/Makefile | 1 +
> scripts/Makefile.modfinal | 2 +-
> scripts/Makefile.vmlinux | 1 +
> 3 files changed, 3 insertions(+), 1 deletion(-)

Thanks for the patches!
Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

>
>
> base-commit: 007034977130b49b618a5206aad54f634d9f169c
> --
> 2.41.0.162.gfafddb0af9-goog
>
>


--
Thanks,
~Nick Desaulniers