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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id m9sm42912pjf.20.2020.11.17.13.51.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Nov 2020 13:51:44 -0800 (PST) Date: Tue, 17 Nov 2020 13:51:43 -0800 From: Kees Cook To: Nathan Chancellor Subject: Re: [PATCH 2/2] kbuild: Disable CONFIG_LD_ORPHAN_WARN for ld.lld 10.0.1 Message-ID: <202011171350.F95127F@keescook> References: <20201113195553.1487659-1-natechancellor@gmail.com> <20201113195553.1487659-2-natechancellor@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201113195553.1487659-2-natechancellor@gmail.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Michal Marek , "kernelci . org bot" , linux-kbuild@vger.kernel.org, Mark Brown , Catalin Marinas , Masahiro Yamada , x86@kernel.org, Nick Desaulniers , Russell King , linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Arvind Sankar , Ingo Molnar , Borislav Petkov , clang-built-linux@googlegroups.com, Thomas Gleixner , Will Deacon , linux-arm-kernel@lists.infradead.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Fri, Nov 13, 2020 at 12:55:53PM -0700, Nathan Chancellor wrote: > config LD_ORPHAN_WARN > - def_bool ARCH_WANT_LD_ORPHAN_WARN && $(ld-option,--orphan-handling=warn) > + def_bool ARCH_WANT_LD_ORPHAN_WARN && $(ld-option,--orphan-handling=warn) && (!LD_IS_LLD || LLD_VERSION >= 110000) Readability nit-pick... I prefer separate "depends" lines to make things a little easier to parse, change, etc: config LD_ORPHAN_WARN def_bool y depends on ARCH_WANT_LD_ORPHAN_WARN depends on !LD_IS_LLD || LLD_VERSION >= 110000 depends on $(ld-option,--orphan-handling=warn) Otherwise, yeah, looks good to me. With this and the other suggestions, please consider it: Reviewed-by: Kees Cook -- Kees Cook