From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pg1-f171.google.com (mail-pg1-f171.google.com [209.85.215.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 701D52F25 for ; Sat, 14 May 2022 21:43:57 +0000 (UTC) Received: by mail-pg1-f171.google.com with SMTP id h186so8029244pgc.3 for ; Sat, 14 May 2022 14:43:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=LLS7Qs+kiru82aH5PJhByae1JVoVq6KGrh/vD5VnTrg=; b=Q+18rDTK1r07EeGDwGKZz+sW2xEsYdgl6mXdAgXXAZp2VV8YQBl2ddvKiNk6+bRJE7 WhVB9ovIuJZkleoLE8Wg/p6xtgAPHv6rJhSaKFMs7ARU/f/Pk8MJRYbv0uJDzIG9bm2j 54NS4mNm22dOZTMg3b4zk3DeDlmGowgXLH7Qg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=LLS7Qs+kiru82aH5PJhByae1JVoVq6KGrh/vD5VnTrg=; b=m13/xqDLUoJkVlmnu+ztEdXnMQCwbNkSEqJup03pzxQe386J29CeuATd1aZXsvrk6z VzEYqSsqYwWgJjt1luBZZaDO4R1pphCzdYrsysMPWXetku8cGsDhDLOiDtknJlnVsOBJ UIYIhlHEpulSL1W7uWGE9PnkhKR/5AzMTR05jAG3bBZRZ3OA+puCdqgapjHp4ZaLSH0R UwrkSSpC4R/Xi4Ge2wq2xFspgEeeoqN/Gw6AD/LIOI8nye1C4+ADl3XcXbnSnfITn6Gr 9FCh22ICzfQ6qEl2EKAaMVxKz/rsmDzvPGPMtfG2sU9ha/UG6+ND4JVCsCSDYe2QjU0H uDPg== X-Gm-Message-State: AOAM532v6ma40q8AJXxg770Qb28AoWoj5wyFUFwC/rtg7NVkgolt9BkQ nd6RloiiKIFGpUgYFSeuV761xA== X-Google-Smtp-Source: ABdhPJy1SUg6blIfFOl9RL/kjBDiBzqJhlhen4sGbyOOl97K62dMbHT/72DOVt9RHA3FaPWdLh+KpA== X-Received: by 2002:a65:6810:0:b0:3c6:ae78:5fd0 with SMTP id l16-20020a656810000000b003c6ae785fd0mr9467906pgt.495.1652564637046; Sat, 14 May 2022 14:43:57 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id k10-20020a170902ce0a00b0015e8d4eb297sm4116507plg.225.2022.05.14.14.43.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 May 2022 14:43:56 -0700 (PDT) Date: Sat, 14 May 2022 14:43:56 -0700 From: Kees Cook To: Sami Tolvanen Cc: linux-kernel@vger.kernel.org, Josh Poimboeuf , Peter Zijlstra , x86@kernel.org, Catalin Marinas , Will Deacon , Mark Rutland , Nathan Chancellor , Nick Desaulniers , Joao Moreira , Sedat Dilek , Steven Rostedt , linux-hardening@vger.kernel.org, linux-arm-kernel@lists.infradead.org, llvm@lists.linux.dev Subject: Re: [RFC PATCH v2 04/21] cfi: Remove CONFIG_CFI_CLANG_SHADOW Message-ID: <202205141443.516DD7C93C@keescook> References: <20220513202159.1550547-1-samitolvanen@google.com> <20220513202159.1550547-5-samitolvanen@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220513202159.1550547-5-samitolvanen@google.com> On Fri, May 13, 2022 at 01:21:42PM -0700, Sami Tolvanen wrote: > In preparation to switching to -fsanitize=kcfi, remove support for the > CFI module shadow that will no longer be needed. > > Signed-off-by: Sami Tolvanen I like that most of this series is dropping code. :P Reviewed-by: Kees Cook -- Kees Cook