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 30FC62475CB for ; Wed, 15 Oct 2025 21:20:59 +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=1760563259; cv=none; b=he+cZ2S2xgg8B20Otzsuwt4/UT54fWhTqidr99HCjy4cg2eeroIDHmSccg3jcQQteE/35U3PFZD2f6KI/56VFwq3/we5ClFq4tYjHTMpH/Cb2mQ2LgFuxrNfGwsAi0V3Y5XeRuG4lZSj9fBxi02BJHV32+H09xbb7nzWrcyxnYM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760563259; c=relaxed/simple; bh=RUEo91OD0bVkKNPgheh987AeBsPbqIyG2qPKmVLuPbs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Oj+CqsBka+AAX+EZI3arm0dQgypoa2z/XX681weicfKnNhnzPHliJfA6OOxg8CQORm8HPnBa6DX3CxQGKH6xB4PG2bQsqJAGQed0Iqupfw0vC9CQH4NqH29tjZ0A1sqHoEu5sNayR8OORMBdMgAFRBJtT3qFOmHKzrPSN0+5Efc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=fA8KZN+2; 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="fA8KZN+2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0837FC4CEF8; Wed, 15 Oct 2025 21:20:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760563259; bh=RUEo91OD0bVkKNPgheh987AeBsPbqIyG2qPKmVLuPbs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=fA8KZN+2TvTOhQRrjdHZVvc+IczXHA7TDFc2dLuqsKr4rZRf5jHzYhRJl2D5G83nt BMsg8WEpvvS3RHpUv7kwWJx4S+LO4naHrSHc+ngJ5wB1FTua97fbDsbxvGyToGBNIt CP4TyScVGgPZ6eZG/EbNPrli6iK39FBS7pT3vw0Wd999u8mtorOtD82WhIrvSLVodm qzJrjp+/VxygVrUHokNfmY2+XqmVF1IXY6YVdKAYWGv3FhGicxaXqh5yzCRWWmDHSv Lc04GYKhI6apsUngGBsiRnbe7hbReFJnn5TSldqFYHE6BDs88q7poQPnv+MKnvRb1f CzwTMRLO6Vgsg== Date: Wed, 15 Oct 2025 14:20:58 -0700 From: Kees Cook To: Qing Zhao Cc: Claudiu Zissulescu-Ianculescu , Claudiu Zissulescu , "gcc-patches@gcc.gnu.org" , "linux-hardening@vger.kernel.org" Subject: Re: [PATCH] arc: Add const attribute support for mathematical ARC builtins Message-ID: <202510151420.340ED16A9@keescook> References: <20250826042212.work.202-kees@kernel.org> <7DFF075D-A922-4170-9199-0B1B477D79F3@oracle.com> Precedence: bulk X-Mailing-List: linux-hardening@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: <7DFF075D-A922-4170-9199-0B1B477D79F3@oracle.com> On Wed, Oct 15, 2025 at 06:09:51PM +0000, Qing Zhao wrote: > Just want to make sure: have you done regression testing for this patch on a ARC machine already? I have no such real hardware, but I've done Linux kernel builds with the resulting GCC ARC cross-compiler. -- Kees Cook