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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id i17sm4098269pfa.29.2020.09.18.14.27.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Sep 2020 14:27:35 -0700 (PDT) Date: Fri, 18 Sep 2020 14:27:34 -0700 From: Kees Cook To: Sami Tolvanen Subject: Re: [PATCH v3 13/30] kbuild: lto: postpone objtool Message-ID: <202009181427.86DE61B@keescook> References: <20200918201436.2932360-1-samitolvanen@google.com> <20200918201436.2932360-14-samitolvanen@google.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200918201436.2932360-14-samitolvanen@google.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200918_172739_481835_CB2DE70A X-CRM114-Status: GOOD ( 11.99 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arch@vger.kernel.org, x86@kernel.org, "Paul E. McKenney" , kernel-hardening@lists.openwall.com, Peter Zijlstra , Greg Kroah-Hartman , Masahiro Yamada , linux-kbuild@vger.kernel.org, Nick Desaulniers , linux-kernel@vger.kernel.org, Steven Rostedt , clang-built-linux@googlegroups.com, linux-pci@vger.kernel.org, Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Sep 18, 2020 at 01:14:19PM -0700, Sami Tolvanen wrote: > With LTO, LLVM bitcode won't be compiled into native code until > modpost_link, or modfinal for modules. This change postpones calls > to objtool until after these steps, and moves objtool_args to > Makefile.lib, so the arguments can be reused in Makefile.modfinal. > > Signed-off-by: Sami Tolvanen Thanks for reorganizing this! Reviewed-by: Kees Cook -- Kees Cook _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel