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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id h20-20020aa786d4000000b0050dc76281a5sm4083831pfo.127.2022.05.14.14.42.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 May 2022 14:42:40 -0700 (PDT) Date: Sat, 14 May 2022 14:42:39 -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 02/21] arm64/vdso: Filter out CC_FLAGS_CFI Message-ID: <202205141442.9DBF84F15C@keescook> References: <20220513202159.1550547-1-samitolvanen@google.com> <20220513202159.1550547-3-samitolvanen@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220513202159.1550547-3-samitolvanen@google.com> X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 13, 2022 at 01:21:40PM -0700, Sami Tolvanen wrote: > Explicitly filter out CC_FLAGS_CFI in preparation for the flags being > removed from CC_FLAGS_LTO. > > Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook -- Kees Cook