From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 83E3235EDC1; Wed, 14 Jan 2026 21:27:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768426030; cv=none; b=daIgwA8FydOZiDDxRPUZ9QhODya44QsDEBH2lOmDe2zTb9RqPWNMNX3Y76hzbNrDa5IhQNjkp9UUPpgMKWAeYh4CkUnFB7muho4XiNUtod6Oz5bNrg819pog4dQEQ1NbhVrBObOMH2uh1oQkye/zys6LNiG+yOawyzOMVUEqjQ8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768426030; c=relaxed/simple; bh=yrqp0vTy+QAxoE9wVgyhL68KzAG33QgOyQXRuYSNWUU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=kZfA+8Cw06siWUN/CIh9xujn90Z/cNbKXixAR1MrmJh6Dj5GSaNhtyF7wfp2+ke7fk1cLAbPPQGX7S9ObhOeRxNCYXUdFLAkagolMOYFPfyp+KKqjH132Epr/X/g7PF/K8oDohn7QyDxqm/rvs0raOgTJGvhBUrGmn8Jd8kOMfU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HRRAK19H; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HRRAK19H" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E20ADC19421; Wed, 14 Jan 2026 21:27:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768426030; bh=yrqp0vTy+QAxoE9wVgyhL68KzAG33QgOyQXRuYSNWUU=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=HRRAK19H/J4A+cBWIq+gG3Hd7DIk4hf0uxK2kgwWTA+tsjdna26o6YoHbgbfuoX2h XKTe2B/Iu41vRhm7WvmSyD+n92beFAHS5VEjF65PMRRHoO6vtWK+1i+6707Wu2TTAL qxWwXt5rx+qzp5hOZfUi4DYEpyKQX4qEcCUYS5QdHIbwylbDHTTKAgW61GwtTAygfw Ce2r8cr8g+HhArs7XishOIM/YyKHMF4/y0t8WrIuWrUSM/K3+nh5D9tbKbt5lnY0jN MxT2pVpeIX+fhaadz7Fc1EtnzUitmgd3fZLXTRiURre+53C7TY+x62QDmNUTcKjzU6 5ReAJUs5nM2IQ== From: Thomas Gleixner To: Ian Rogers Cc: kernel test robot , oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org Subject: Re: [tip:timers/vdso 12/14] net/rds/ib_cm.c:96:35: sparse: sparse: incorrect type in argument 1 (different modifiers) In-Reply-To: References: <202601150001.sKSN644a-lkp@intel.com> <874ioohsft.ffs@tglx> Date: Wed, 14 Jan 2026 22:27:06 +0100 Message-ID: <871pjrj36d.ffs@tglx> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Wed, Jan 14 2026 at 13:03, Ian Rogers wrote: > On Wed, Jan 14, 2026 at 12:04=E2=80=AFPM Thomas Gleixner wrote: >> > My preference would be 1 as I have a suspicion I played 2 and thought >> > the non-const cast was best (hence it being in the patch) given other >> > issues. >> >> Preferences based on suspicions are not really usefull. Please go and >> figure out what's going on and either fix it in the kernel code or tell >> the sparse folks what they are missing. >> >> Leaving it unresolved and handwaved away is not an option. > > I'd like to call this option, play a bunch of wac-a-mole but then I'm not familiar enough with internet slang, but to my limited knowledge it's spelled 'Whack-a-mole'. That aside: "Whack-a-mole" without a real conclusive explanation is really a lame excuse, actually it's beyond lame. > still don't really progress. I had tried out I believe all the options > 6 months ago where the builds were clean. There's always 1 more tool > that's going to raise its head and complain about types, my motivation > remains clang and gcc for user space copies of this code so we don't > need to propagate -fno-strict-aliasing into places like perf. So because your motivation ends there and other tools which raise their ugly heads are not relevant to you ... > Tbh, I'm not going to be able to look at this for a while so I'd > suggest just dropping the patches. ... everything stays with the status quo, i.e. unresolved. That makes a lot of sense - NOT! Thanks for wasting my time to deal with your patches and welcome to my extremly short ignore list! Your's grumpy Thomas