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[209.85.208.181]) by smtp.gmail.com with ESMTPSA id t7sm203542lfe.170.2021.05.01.15.39.47 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 01 May 2021 15:39:47 -0700 (PDT) Received: by mail-lj1-f181.google.com with SMTP id z23so2446521lji.4 for ; Sat, 01 May 2021 15:39:47 -0700 (PDT) X-Received: by 2002:a2e:954a:: with SMTP id t10mr8019788ljh.411.1619908787255; Sat, 01 May 2021 15:39:47 -0700 (PDT) MIME-Version: 1.0 References: <1c5e05fa-a246-9456-ff4e-287960acb18c@redhat.com> <20210501195750.GA1480516@sguelton.remote.csb> In-Reply-To: <20210501195750.GA1480516@sguelton.remote.csb> From: Linus Torvalds Date: Sat, 1 May 2021 15:39:31 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Very slow clang kernel config .. To: Serge Guelton Cc: Tom Stellard , Nick Desaulniers , Masahiro Yamada , Nathan Chancellor , Linux Kernel Mailing List , clang-built-linux , Fangrui Song , Sylvestre Ledru Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, May 1, 2021 at 12:58 PM Serge Guelton wrote: > > Different metrics lead to different choice, then comes the great pleasure of > making compromises :-) Even if that particular compromise might be the right one to do for clang and llvm, the point is that the Fedora rule is garbage, and it doesn't _allow_ for making any compromises at all. The Fedora policy is basically "you have to use shared libraries whether that makes any sense or not". As mentioned, I've seen a project bitten by that insane policy. It's bogus. Linus