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 CD2591E2853; Mon, 1 Sep 2025 16:45:45 +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=1756745145; cv=none; b=lUKjTHlz7fJuo6Ef/ODauKXkDIqDD08ehRU3qNOSutQOGbrGSlpHbTp1mTQHfjSggCf8gyMB1L5mR2CqW4nXaIMYXrYuuNTCayRPXxuunQhVfxGbB0/2AkbR13nGNdZt1SW7Cu+pNBzWOysgixBUDxHQgUy7W51c2HcrjKDxCi4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756745145; c=relaxed/simple; bh=QNxYSIZMDJxh+pYTXN1N3A1Kh9aq43hGRs/RiFWve/g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=hZ1ZbAYKcwqoxooKZX9wwsAzK1gBhTNN8S1ZogkAbRu9NUQAGLWDFETWUxYPnzwXvdHr6APil2QlUkNK8K553gn1Bf0OporevLk9XME3T+GQARMX6D0xB0n40BW/+W1Hl43O0szuEkDiifPzyVAdUc6AGrfY+Dy+E/0jwpDFONo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SQ3+GBwj; 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="SQ3+GBwj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 58A4BC4CEF0; Mon, 1 Sep 2025 16:45:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1756745145; bh=QNxYSIZMDJxh+pYTXN1N3A1Kh9aq43hGRs/RiFWve/g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=SQ3+GBwjK9Vbcq2uaFaQsH+AUdXUr+tBV+kkhjte/7//GXTvWe9eh651+Zv+tEcJ9 OO9YAl1C6VeNuPHbvmuekHrouFuGgexRROGf+WYcgf8sXa/FlCYDTANBMkiF9AC4Jf ZLcfKSqtc1vfxFIbhLNSS2qzSHR0C0oqVBrc0eXCzLWhrC8Jgb2aRX5m3en4CdSnba s1Rs1O53zHCxUw6LltIS3sFd7ac6JMLhPRPJ5bvAlFBc7fsbLWpYd2uA/+VmirUrzX 1V7BxHwHqsMaWwWQwXOXIhEWGXfDf5SLTYzQBY99xV1+bgVdsaOvIx7Gdec2FAYg7h gX5ND4dpPxoPQ== Date: Mon, 1 Sep 2025 09:45:44 -0700 From: Kees Cook To: Randy Dunlap Cc: Nathan Chancellor , Nicolas Schier , Jonathan Corbet , Masahiro Yamada , Arnd Bergmann , Krzysztof Kozlowski , linux-kbuild@vger.kernel.org, linux-doc@vger.kernel.org, Miguel Ojeda , Stephen Brennan , Marco Bonelli , Petr Vorel , linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH v2] kconfig: Add transitional symbol attribute for migration support Message-ID: <202509010944.CAAFB2ED22@keescook> References: <20250830020109.it.598-kees@kernel.org> Precedence: bulk X-Mailing-List: linux-doc@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 Mon, Sep 01, 2025 at 09:39:46AM -0700, Randy Dunlap wrote: > Are you (implicitly?) saying that all previous attempts at transitional > kconfig symbols have failed? If so, I just wasn't aware of that. I haven't found any way to do a "proper" CONFIG transition. I looked through past transitions and they all left stuff visible. Is there a way to actually do this with existing kconfig? -- Kees Cook