From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 1E9F9476CF0; Wed, 7 Oct 2026 09:36:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791365817; cv=none; b=AlnnTgyy8hvtCKB97Q2B+e/ErYoho2ppFsp3lgoKW3d9iXka8JfgjJxjdrtKcFpKmrlo79Vi2MdMIG/L4zbyfnEB0POE/4SW7LvQMs0XLl3tgaCOpQ1YeThOaTM6kpV8/QF3W79ScNseyw6hOEqHDrjL+XEaUIWC491TLVxQOpU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791365817; c=relaxed/simple; bh=GbUMDGByiIlcp+WrpWlazRAUcVLY3mPJK9tWMwQjoFU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=p+pJ3Hp8uKITcW0NJom44qxZOMRQtuxqqSSIE/OEbfROrvl+pzOP25EzoVzRyMJxONHaZeLbU8erYZiLHXXPOFYTSIzJtjdf6K0zergK3qYfwjCYEd2lE9dY1T6RMxbfoUKN2Y793sumon23imeJPs+eeSQoQP00JQvN1VX2mSE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=o2NiXlCw; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="o2NiXlCw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7FAC41F0089E; Wed, 7 Oct 2026 09:36:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791365806; bh=4DhdzIwt3MRMXaMV4Mj6A2R3zODdLzHgKo1UW7l68sU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=o2NiXlCwdU4gv6MFWdHENW5pLNJh35tkFSRuUzZrPS1mnmicHzbkYy1jHQ3HnsH0Z JYoUq4rMncg6icJmodIpK8LYzwRHkye7PNbrfgA76xdNJIGVZf7NNcsA19zYI666Gv T0wdGfCCXkYKiFtY5WYKDP9IW4ceaYe1pOJ4p3rK8mNsZsGR7qHZ72TsbLDoNLPx/M auVqwzQv5K9OKt+QeLk0VPirxFXb17AiNyvByWDqzrsl9kRM0UxYF5XIDkRMcuCUca LaHUNUfdbGYOwplUUK/D4o1/BSJcNhJ28FAF3K05jyBsyLqbOwntvmojBTARSaapCK kvMr+wnqeOsKQ== Date: Wed, 7 Oct 2026 11:36:41 +0200 From: Nathan Chancellor To: Bill Wendling Cc: Kees Cook , ardb@kernel.org, gustavoars@kernel.org, ndesaulniers@google.com, justinstitt@google.com, broonie@kernel.org, elver@google.com, alan.maguire@oracle.com, namjain@linux.microsoft.com, peterz@infradead.org, linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org, llvm@lists.linux.dev Subject: Re: [PATCH v4] compiler_types: Allow opting out of __counted_by and __counted_by_ptr Message-ID: <20261007093641.GA1527653@ax162> References: <20261005102518.2400984-1-morbo@google.com> <20261006094358.2948476-1-morbo@google.com> <202610060642.7C4125F@keescook> <20261007090915.GA1504630@ax162> 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=us-ascii Content-Disposition: inline In-Reply-To: On Wed, Oct 07, 2026 at 02:32:45AM -0700, Bill Wendling wrote: > Ard, > > What's the reason why x86 doesn't need the KBUILD_CFLAGS flags? Is > there something that breaks things? I think it is mostly historical. See Kees's series to address it: https://lore.kernel.org/20261006204210.i.137-kees@kernel.org/ -- Cheers, Nathan