Re: [PATCH -rc 0/4] Protect from GCC garbage input in GCOV

Linus Torvalds
2020-09-02T18:25:17Z

On Wed, Sep 2, 2020 at 10:52 AM Leon Romanovsky <leon@kernel.org> wrote:
>
> Are you suggesting something like this?
>
> diff --git a/kernel/gcov/Kconfig b/kernel/gcov/Kconfig
> index 3110c77230c7..bc0e355f64aa 100644
> --- a/kernel/gcov/Kconfig
> +++ b/kernel/gcov/Kconfig
> @@ -3,7 +3,7 @@ menu "GCOV-based kernel profiling"
>
> config GCOV_KERNEL
> bool "Enable gcov-based kernel profiling"
> - depends on DEBUG_FS
> + depends on DEBUG_FS && (GCC_VERSION >= XXX && GCC_VERSION < YYY)
> select CONSTRUCTORS if !UML
> default n
> help

Yes. Except please don't mix it up with DEBUG_FS. Just add a new
"depends on" line. They are separate issues.

Linus