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Wed, 25 Feb 2026 00:15:30 -0800 (PST) Date: Wed, 25 Feb 2026 11:15:27 +0300 From: Dan Carpenter To: Thomas Gleixner Cc: Peter Zijlstra , kernel test robot , Ian Rogers , oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org, sparse@chrisli.org, linux-sparse@vger.kernel.org, Marco Elver Subject: Re: [PATCH] compiler: Use __typeof_unqual__() for __unqual_scalar_typeof() Message-ID: References: <202601150001.sKSN644a-lkp@intel.com> <87v7h23cb0.ffs@tglx> <20260115211120.GD831050@noisy.programming.kicks-ass.net> <87ms2e32gw.ffs@tglx> <87jyxh3ike.ffs@tglx> <87ecnp2zh3.ffs@tglx> Precedence: bulk X-Mailing-List: linux-sparse@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87ecnp2zh3.ffs@tglx> 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