Re: [PATCH] compiler: Use __typeof_unqual() for unqual_scalar_typeof()

Dan Carpenter <[email protected]> Wed, 25 Feb 2026 11:15:27 +0300

Newsgroups	org.kernel.vger.linux-sparse,dev.linux.lists.oe-kbuild-all,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

On Fri, Jan 16, 2026 at 07:18:16PM +0100, Thomas Gleixner wrote:
> --- a/Makefile
> +++ b/Makefile
> @@ -1178,6 +1178,14 @@ ifdef CONFIG_CC_IS_CLANG
>  KBUILD_USERLDFLAGS += --ld-path=$(LD)
>  endif
>  
> +# Validate the checker is available and functional
> +ifneq ($(KBUILD_CHECKSRC), 0)
> +  ifneq ($(shell $(srctree)/scripts/checker-valid.sh $(CHECK)), 1)
> +    $(warning C=$(KBUILD_CHECKSRC) specified, but $(CHECK) is not available or not up to date)
> +    KBUILD_CHECKSRC = 0
> +  endif
> +endif
> +

This means we can't run "CHECK="valgrind smatch -p=kernel" because
valgrind always prints output to stderr.  So hopefully we can
eventually remove this check.

regards,
dan carpenter